All Stories

  1. Generic pharmaceuticals, regulatory aspects, bioequivalence investigation, and perception
  2. Direct Thin Layer Chromatographic Enantioseparation of Active Pharmaceutical Ingredients via Non-Covalent Diastereomers
  3. Tausendsassa der Elemente
  4. Assessment and application of Marfey’s reagent and analogs in enantioseparation: a decade’s perspective
  5. Chemie in der Sprache: Gierige Atome und gesellige Prozesse
  6. Warum versteht uns keiner?
  7. Synthesis of a novel category of pseudo-peptides using an Ugi three-component reaction of levulinic acid as bifunctional substrate, amines, and amino acid-based isocyanides
  8. Ensembling three multicomponent reactions for the synthesis of a novel category of pseudo-peptides containing dithiocarbamate and N,X-heterocylic groups
  9. Consecutive Multicomponent Reactions: Synthesis of 3-Acyl-4-alkynyl-Substituted 1,3-Thiazolidines
  10. First catalyst-free CO2trapping ofN-acyliminium ions under ambient conditions: sustainable multicomponent synthesis of thia- and oxazolidinyl carbamates
  11. Enantioresolution of three active pharmaceutical ingredients by different thin-layer chromatographic approaches
  12. Sensitive RP-HPLC Enantioseparation of (RS)-Ketamine via Chiral Derivatization Based on (S)-Levofloxacin
  13. Simple one-pot multicomponent approach to polyfunctionalized 2-amino-1-methyl-6-(methylthio)-5-nitro-4-aryl-1,4-dihydropyridine-3-carbonitriles
  14. Facile Access to Amido (Thio)xanthates under Eco-Friendly Conditions by One-Pot Three-Component Reaction (3-CR)
  15. Chromatographic Enantioseparations in Achiral Environments: Myth or Truth?
  16. Enantioseparations in Achiral Environments and Chromatographic Systems
  17. The Concept of Sequential Multicomponent Reactions: A Short Synthesis of Thiazolo- and Oxazolo[1,4]benzodiazepine-2,5-diones
  18. A one-pot three-component synthesis of dithiocarbamates starting from vinyl pyridines and vinyl pyrazine under solvent- and catalyst-free conditions
  19. Multicomponent synthesis of dithiocarbamates starting from vinyl sulfones/sulfoxides and their use in polymerization reactions
  20. Sequential Multicomponent Reactions and a Cu-Mediated Rearrangement: Diastereoselective Synthesis of Tricyclic Ketones
  21. Multicomponent reactions as versatile tool: development of a mild approach to 1,3-benzothiazine-2-thiones
  22. Three-Component Reaction toward Polyannulated Quinazolinones, Benzoxazinones, and Benzothiazinones
  23. A new multicomponent reaction: unexpected formation of derivatizable cyclic α-alkoxy isothioureas
  24. Resolution of enantiomers with both achiral phases in chromatography: conceptual challenge
  25. Enantiomerization Study of Atropine and its Semipreparative Enantioseparation along with (1RS,2SR)-(±)-Ephedrine on Polyacrylamide Column Using High-Performance Liquid Chromatography
  26. Regioselective Air Oxidation of Sulfides toO,S-Acetals in a Bubble Column
  27. ChemInform Abstract: Synthesis of Bicyclic Thiazolidinethiones and Oxazolidinones by Water‐Mediated Multicomponent Reactions (MCR) and Ring‐Closing Metathesis (RCM).
  28. ChemInform Abstract: Purification of Enantiomeric Mixtures in Enantioselective Synthesis: Overlooked Errors and Scientific Basis of Separation in Achiral Environment
  29. Two Sequential Multicomponent Reactions: Synthesis of Thiazolidin-4-yl-1,3,4-oxadiazoles under Mild Conditions
  30. ChemInform Abstract: Rearrangement in the Synthesis of Annulated Lactams Starting from Benzothiazines.
  31. Unexpected resolution of enantiomers in nonracemic mixtures
  32. Oxa‐ and Thiazolidine‐Containing Polymers Derived via the Asinger Four‐Component Reaction: the Ring Matters
  33. Multicomponent synthesis of heterocyclic compounds.
  34. PEPTIDES AND PROTEINS | Thin-Layer (Planar) Chromatography
  35. Amino Acids | Thin-Layer (Planar) Chromatography
  36. Multicomponent Synthesis of Bicyclic Thiazolidinethiones and Oxazolidinones in Water
  37. A Novel Rearrangement Reaction of N‐Acyliminium Ions Leading to Heterobicycles Arylated at Bridgehead Atom
  38. ChemInform Abstract: Stereospecific Synthesis of β‐Lactams from Heterocyclic Imines Using the Staudinger Reaction.
  39. Synthesis of Bicyclic Thiazolidinethiones and Oxazolidinones by Water‐Mediated Multicomponent Reactions (MCR) and Ring‐Closing Metathesis (RCM)
  40. Rearrangement in the Synthesis of Annulated Lactams Starting from Benzothiazines
  41. ChemInform Abstract: Synthesis of Tricyclic Lactams from Heterocyclic Imines.
  42. Stereospecific Synthesis of β-Lactams from Heterocyclic Imines Using the Staudinger Reaction
  43. ChemInform Abstract: A Manifold Three‐Step Synthetic Route to Polycyclic Annulated Hydantoins via Cyclic Imines.
  44. ChemInform Abstract: 2,5‐Dihydro‐1,3‐thiazoles as Scaffolds in the Synthesis of O,N‐Diacyl O,N‐Acetals in a One‐Pot Reaction.
  45. ChemInform Abstract: An Imine‐Based Route to Polycyclic Chlorinated ε‐Lactams by Formation of C—C Bonds as Key Steps.
  46. Synthesis of Tricyclic Lactams from Heterocyclic Imines
  47. 2,5-Dihydro-1,3-thiazoles as Scaffolds in the Synthesis of O,N-Diacyl O,N-Acetals in a One-pot Reaction
  48. A Manifold Three‐Step Synthetic Route to Polycyclic Annulated Hydantoins via Cyclic Imines
  49. Enantioresolution of some β-blockers and a β2-agonist using ligand exchange TLC
  50. Die chemische Formelsprache – (un‐)vermeidbare Hürden auf dem Weg zu einer Verständnisentwicklung?
  51. An Imine-Based Route to Polycyclic Chlorinated ε-Lactams by Formation of C–C Bonds as Key Steps
  52. Ravi Bhushan and Juergen Martens: Amino Acids. Chromatographic Separation and Enantioresolution
  53. First Synthesis of α,β‐Unsaturated Lactones with High Diversity through the Passerini Reaction and Ring‐Closing Metathesis (RCM)
  54. Homo- and heterogeneous organocatalysis: enantioselective Mannich addition of ketones to endocyclic carbon–nitrogen double bonds
  55. ChemInform Abstract: Synthesis of α,β‐Unsaturated Caprolactams Starting from Heterocyclic Imines.
  56. RAVI BHUSHAN AND JUERGEN MARTENS, Amino Acids: Chromatographic Separation and Enantioresolution, HNB Publishing,New York,322 pp. ISBN 978‐0‐9728061‐3‐8
  57. Synthesis of α,β‐unsaturated caprolactams starting from heterocyclic imines
  58. Enantioselective Organocatalytic Strecker Reactions in the Synthesis of α-Amino Acids
  59. ChemInform Abstract: Synthesis of Different Types of Valerolactams Starting from 2,5‐Dihydrooxazoles.
  60. ChemInform Abstract: Synthesis of β‐Oxabutyrolactams Starting from 2,5‐Dihydrooxazoles.
  61. Synthesis of different types of valerolactams starting from 2,5-dihydrooxazoles
  62. Synthesis of β-Oxabutyrolactams Starting from 2,5-Dihydrooxazoles
  63. ChemInform Abstract: Synthesis of Bi‐ and Tricyclic α,β‐Unsaturated Lactams as Potential Michael Acceptors Starting from Heterocyclic Imines.
  64. Vibrational spectroscopy of a compound with a CS7ring
  65. Synthesis of Bi- and Tricyclic α,β-Unsaturated Lactams as Potential Michael Acceptors Starting from Heterocyclic Imines
  66. ChemInform Abstract: First Synthesis of Bi‐ and Tricyclic α,β‐Unsaturated δ‐Oxacaprolactams from Cyclic Imines via Ring‐Closing Metathesis.
  67. Synthesis of Caprolactams from Cyclic Imines by Cross-Metathesis
  68. First Synthesis of Bi‐ and Tricyclic α,β‐Unsaturated δ‐Oxacaprolactams from Cyclic Imines via Ring‐Closing Metathesis
  69. Solid State and Solution Structure of an Unusual Compound Containing a CS7 Ring
  70. Chiral Separation of Nonsteroidal Anti-Inflammatory Drugs
  71. Anregungen für eine präzisere Formelsprache in der Organischen Chemie
  72. (S)-Proline
  73. Amino Acids in Stereoselective Synthesis
  74. Amino Acids and Their Derivatives
  75. Preparation and Optimization of Polymer-Supported and Amino Alcohol Based Enantioselective Reagents and Catalysts
  76. Peptides and Proteins
  77. Amino Acids and Their Derivatives
  78. Development of small focused libraries of supported amino alcohols as an efficient strategy for the optimization of enantioselective heterogeneous catalysts for the ZnEt2 addition to benzaldehyde
  79. New Supported β-Amino Alcohols as Efficient Catalysts for the Enantioselective Addition of Diethylzinc to Benzaldehyde under Flow Conditions
  80. ChemInform Abstract: Utilization of Industrial Waste Materials. Part 21. Highly Diastereoselective Addition of N‐Boc‐pyrrolidin‐2‐yllithium to Optically Active Ketimines — Synthesis of Enantiomerically Pure 1,3‐Imidazolidin‐2‐ones and Diamines.
  81. ChemInform Abstract: Diastereoselective Lewis Acid Mediated Hydrophosphonylation of Heterocyclic Imines: A Stereoselective Approach Towards α‐Amino Phosphonates.
  82. ChemInform Abstract: Synthesis of Optically Active Functionalized Cyclic Ketimines and Their Application in Enantioselective Catalysis.
  83. Highly Diastereoselective Addition of N-Boc-pyrrolidin-2-yllithium to Optically Active Ketimines − Synthesis of Enantiomerically Pure 1,3-Imidazolidin-2-ones and Diamines
  84. Diastereoselective Lewis acid mediated hydrophosphonylation of heterocyclic imines: a stereoselective approach towards α-amino phosphonates
  85. ChemInform Abstract: Utilization of Industrial Waste Materials. Part 20. Stereoselective Cycloaddition of Silylenes and a Disilene to an Enantiomerically Pure Cyclic Ketimine Derived from an Industrial Waste Material.
  86. Synthesis of optically active functionalised cyclic ketimines and their application in enantioselective catalysis
  87. ChemInform Abstract: Synthesis of Novel Pipecolic Acid Derivatives. Part 2. Addition of Trimethylsilyl Cyanide to 3,4,5,6‐Tetrahydropyridines.
  88. Separation of amino acids, their derivatives and enantiomers by impregnated TLC
  89. Direct resolution of (±)‐ephedrine and atropine into their enantiomers by impregnated TLC
  90. (S)-Proline
  91. Utilization of industrial waste materials. Part 20. Stereoselective cycloaddition of silylenes and a disilene to an enantiomerically pure cyclic ketimine derived from an industrial waste material
  92. Synthesis of novel pipecolic acid derivatives. Part 2. Addition of trimethylsilyl cyanide to 3,4,5,6-tetrahydropyridines
  93. ChemInform Abstract: Highly Diastereoselective Hydrophosphonylation of Cyclic Imines Using BINOL as Source of Chirality.
  94. ChemInform Abstract: Synthesis of the First Enantiomerically Pure 3‐Thiazolines via Asinger Reaction.
  95. Free and Cr(CO)3-Complexed Aminophosphine Phosphinite Ligands for Highly Enantioselective Hydrogenation of α-Functionalized Ketones
  96. ChemInform Abstract: Multicomponent Synthesis of Tripeptides Containing Pipecolic Acid Derivatives: Selective Induction of cis‐ and trans‐Imide Bonds into Peptide Backbones.
  97. ChemInform Abstract: Diastereoselective Hydroboration of Chiral Enamines Using an Enantiomerically Pure Amine (I) from an Industrial Waste Material as the Source of Chirality.
  98. Highly diastereoselective hydrophosphonylation of cyclic imines using BINOL as source of chirality
  99. Synthesis of the first enantiomerically pure 3-thiazolines via Asinger reaction
  100. Concept of Improved Rigidity:  How to Make Enantioselective Hydrophosphonylation of Cyclic Imines Catalyzed by Chiral Heterobimetallic Lanthanoid Complexes Almost Perfect
  101. Diastereoselective hydroboration of chiral enamines using an enantiomerically pure amine from an industrial waste material as the source of chirality
  102. Multicomponent synthesis of novel amino acid–nucleobase chimeras: a versatile approach to PNA-monomers
  103. New C 2 -symmetric 2,4-bis(1-hydroxycyclopentyl)azetidines derived from ( S )-1-phenylethylamine and their application in the enantioselective catalysis
  104. ChemInform Abstract: Synthesis of Novel Pipecolic Acid Derivatives: A Multicomponent Approach from 3,4,5,6‐Tetrahydropyridines.
  105. Catalytic enantioselective addition of diethylzinc to 1,3-dithian-2-yl substituted aliphatic aldehydes: a new approach to optically active 2-(hydroxyalkyl)-1,3-dithianes
  106. Enantioselective synthesis of 1-(1,3-dioxolan-2-yl)-3-pentanol from 3-(1,3-dioxolan-2-yl)-propanal by catalytic ethylation
  107. ChemInform Abstract: New Chiral Catalysts Containing N,O‐Heterocycles Derived from Chiral Amino Alcohols.
  108. ChemInform Abstract: Highly Stereoselective Synthesis of 1,3‐Amino Alcohols via Mannich Reactions.
  109. Multicomponent synthesis of tripeptides containing pipecolic acid derivatives: selective induction of cis- and trans-imide bonds into peptide backbones
  110. Preparation of an enantiomerically pure helical nickel(II) complex using a new chiral tetradentate ligand derived from an industrial waste material †
  111. AMINO ACIDS | Thin-Layer (Planar) Chromatography
  112. PEPTIDES AND PROTEINS | Thin-Layer (Planar) Chromatography
  113. THE FIRST SYNTHESIS OF A 2H-1,4-BENZOTHIAZINE-BASED PHOSPHINE OXIDE AND SULFIDE
  114. Direct thin layer chromatography enantioresolution of some basic dl-amino acids using a pharmaceutical industry waste as chiral impregnating reagent
  115. ChemInform Abstract: The Synthesis of Novel Cyclic β‐Amino Acids as Intermediates for the Preparation of Bicyclic β‐Lactams.
  116. ChemInform Abstract: Utilization of Industrial Waste Materials. Part 14. Synthesis of β‐Amino Alcohols and Thiols with a 2‐Azabicyclo[3.3.0]octane Backbone and Their Application in Enantioselective Catalysis.
  117. New Chiral Catalysts ContainingN,O-Heterocycles Derived from Chiral Amino Alcohols
  118. New Chiral Catalysts Containing N,O-Heterocycles Derived from Chiral Amino Alcohols
  119. Nucleophilic Substitutions of N-Acyl-4-Chloro-3-Thiazolidines with the Organometallic Selenolates LiSeMcp(CO)3, M = Mo, W. Crystal Structure of (RS)-3-Acetyl-4-[(η5-cyclopentadienyl)(tricarbonyl)selenolato-tungsten(II)]-2,2,5,5-tetramethyl-3-thiazolidine
  120. Synthesis and application of C2-symmetrical bis-β-amino alcohols based on the octahydro-cyclopenta[b]pyrrole system in the catalytic enantioselective addition of diethylzinc to benzaldehyde
  121. The Synthesis of Novel Cyclic β-Amino Acids as Intermediates for the Preparation of Bicyclic β-Lactams
  122. The Synthesis of Novel Cyclic β-Amino Acids as Intermediates for the Preparation of Bicyclic β-Lactams
  123. Highly stereoselective synthesis of 1,3-aminoalcohols via Mannich reactions
  124. ChemInform Abstract: Modified PNAs: A Simple Method for the Synthesis of Monomeric Building Blocks.
  125. ChemInform Abstract: New N,O‐Heterocycles Derived from (R)‐Cysteine as Catalysts in the Enantioselective Diethylzinc Addition.
  126. Modified PNAs: A simple method for the synthesis of monomeric building blocks
  127. ChemInform Abstract: Enantioselective Hydrogenation of Functionalized Ketones. Synthesis and Application of New Chiral Aminophosphine‐Phosphinite Ligands.
  128. Utilization of industrial waste materials. Part 14.† Synthesis of β-amino alcohols and thiols with a 2-azabicyclo[3.3.0]octane backbone and their application in enantioselective catalysis
  129. Synthesis of novel pipecolic acid derivatives: a multicomponent approach from 3,4,5,6-tetrahydropyridines
  130. Groundnut Globulins
  131. New N,O-heterocycles derived from (R)-cysteine as catalysts in the enantioselective diethylzinc addition
  132. Resolution of enantiomers of ibuprofen by liquid chromatography: a review
  133. ChemInform Abstract: β‐Amino Tertiary Cycloalkanols for the Enantioselective Protonation of Enolic Species Produced by a Palladium‐Induced Cascade Reaction.
  134. Enantioselective Hydrogenation of Functionalized Ketones. Synthesis and Application of New Chiral Aminophosphine-Phosphinite Ligands
  135. ChemInform Abstract: Synthesis of C2‐Symmetrical Bis‐β‐amino Alcohols from (R)‐Cysteine and Their Application in Enantioselective Catalysis.
  136. Enantiomerentrennung mit der Flüssig/Flüssig‐Gegenstromchromatographie
  137. β-Amino tertiary cycloalkanols for the enantioselective protonation of enolic species produced by a palladium-induced cascade reaction
  138. Separation of Enantiomers by Liquid-Liquid Counter Current Chromatography
  139. Synthesis of C2-symmetrical bis-β-amino alcohols from (R)-cysteine and their application in enantioselective catalysis
  140. A New and Highly Efficient Asymmetric Route to Cyclic α-Amino Phosphonates:  The First Catalytic Enantioselective Hydrophosphonylation of Cyclic Imines Catalyzed by Chiral Heterobimetallic Lanthanoid Complexes
  141. ChemInform Abstract: Synthesis and Application of New (threo)‐ and (erythro)‐Amino Alcohols Based on the Octahydrocyclopenta[b]pyrrole System in the Catalytic Enantioselective Addition of Diethylzinc to Benzaldehyde.
  142. ChemInform Abstract: Utilization of Industrial Waste Materials. Part 11. Synthesis of New, Chiral β‐sec‐Amino Alcohols — Diastereodivergent Addition of Grignard Reagents to α‐Amino Aldehydes Based on the (all‐R)‐2‐Azabicyclo[3.3.0]octane System.
  143. ChemInform Abstract: A New Enantioselective Synthetic Approach to β‐Aminothio‐ Compounds via Enantioselective Reduction of N,S‐Heterocyclic Imines.
  144. ChemInform Abstract: Synthesis and Application of New β‐Amino Alcohols Based on the Octahydro‐cyclopenta(b)pyrrole System in the Catalytic Enantioselective Addition of Diethylzinc to Benzaldehyde.
  145. ChemInform Abstract: Sulfur‐Containing β‐Amino Alcohols as Catalysts in Enantioselective Synthesis.
  146. Utilization of Industrial Waste Materials, 11. Synthesis of New, Chiral β‐sec‐Amino Alcohols – Diastereodivergent Addition of Grignard Reagents to α‐Amino Aldehydes Based on the (all‐R)‐2‐Azabicyclo[3.3.0]octane System
  147. ChemInform Abstract: Synthesis of Dimethyl 4‐Thiazolidinylphosphine Oxides via Addition of Dimethylphosphine Oxide to 3‐Thiazolines.
  148. TLC resolution of enantiomers of amino acids and dansyl derivatives using (1R,3R,5R)-2-azabicyclo[3,3,0]octan-3-carboxylic acid as impregnating reagent
  149. TLC resolution of enantiomers of amino acids and dansyl derivatives using (1R,3R,5R)-2-azabicyclo[3,3,0]octan-3-carboxylic acid as impregnating reagent
  150. Direct TLC resolution of Enantiomers
  151. Direct resolution of enantiomers by impregnated TLC
  152. A NOVEL SYNTHETIC APPROACH TO α-AMINOPHOSPHINE SULFIDE STRUCTURES: THE FIRST ADDITION OF DIMETHYL-PHOSPHINE SULFIDE TO 3-THIAZOLINES
  153. Synthesis and application of new (threo)- and (erythro)-amino alcohols based on the octahydro-cyclopenta[b]pyrrole system in the catalytic enantioselective addition of diethylzinc to benzaldehyde
  154. ChemInform Abstract: Utilization of Industrial Waste Materials. Part 10. Synthesis of New Chiral Bicyclic 3‐Hydroxypiperidines ‐ Highly Diastereoselective Ring Expansion of the Azabicyclo(3.3.0)octane System to Chiral Piperidine Derivatives.
  155. Synthesis and application of new β-amino alcohols based on the octahydro-cyclopenta[b]pyrrole system in the catalytic enantioselective addition of diethylzinc to benzaldehyde
  156. Sulfur-containing β-amino alcohols as catalysts in enantioselective synthesis
  157. ChemInform Abstract: Suitably Designed Chiral Amino Alcohols: Synthesis, Resolution and Application to the Catalytic Enantioselective Reduction of Aryl Alkyl Ketones.
  158. ChemInform Abstract: Preparation of 1‐(9‐Anthryl)‐ethanol and 9‐Anthryloxirane via Catalytic Enantioselective Reduction of Prochiral 9‐Anthryl Ketones.
  159. ChemInform Abstract: New Chiral Oxazaphospholidine Oxides as Highly Efficient catalysts in the Enantioselective Reduction of Ketones.
  160. Utilization of Industrial Waste Materials, 10. – Synthesis of New Chiral Bicyclic 3‐hydroxypiperidines – Highly Diastereoselective Ring Expansion of the Azabicyclo[3.3.0]octane System to Chiral Piperidine Derivatives
  161. Utilization of Industrial Waste Materials, 7. – Synthesis of New, Chiral β-sec-Amino Alcohols – Regio- and Diastereoselective α-Hydroxyalkylation of (1R,5R)-2-Azabicyclo[3.3.0]octane
  162. ChemInform Abstract: The Totally Protected Hydroxy Containing α‐Amino Phosphonic Esters and α‐Amino Phosphinoxides as Well as Their Carbamoyl Derivatives.
  163. ChemInform Abstract: Utilization of Industrial Waste Materials. Part 8. Syntheses of New Chiral 1,2‐Diamines and δ‐Amino‐Alcohols and Their Application in Catalytic Enantioselective C‐C Bond Formations at an Elevated Temperature of up to 110 °C.
  164. A New Enantioselective Synthetic Approach to β-Aminothio-Compoundsvia enantioselective reduction ofN,S-heterocyclic imines
  165. Preparation of 1-(9-anthryl)-ethanol and 9-anthryloxirane via catalytic enantioselective reduction of prochiral 9-anthryl ketones
  166. Suitably designed chiral amino alcohols: synthesis, resolution and application to the catalytic enantioselective reduction of aryl alkyl ketones
  167. Synthesis of dimethyl 4‐thiazolidinylphosphine oxides via addition of dimethylphosphine oxide to 3‐thiazolines
  168. Synthesis of dimethyl 4-thiazolidinylphosphine oxides via addition of dimethylphosphine oxide to 3-thiazolines
  169. ChemInform Abstract: Synthesis of Homohydantoin‐Thiazolidine Bicyclic Compounds.
  170. ChemInform Abstract: Synthesis of Glutathione Analogues, Peptide Nucleic Acids, and Phosphonooligopeptides from Heterocyclic Imines.
  171. First catalytic asymmetric hydrophosphonylation of cyclic imines: Highly efficient enantioselective approach to a 4-thiazolidinylphosphonate via chiral titanium and lanthanoid catalysts
  172. Enantioselective Catalytic Borane Reduction of Prochiral Ketones: Synthesis and Application of New Rigid β-Amino Alcohols with a Cycloalkanol Subunit
  173. New chiral oxazaphospholidine oxides as highly efficient catalysts in the enantioselective reduction of ketones
  174. ChemInform Abstract: Utilization of Industrial Waste Materials. Part 6. Utilization of Derivatives of the Bicyclic Proline Analogue (all‐R)‐ Octahydrocyclopenta(b)pyrrol‐2‐carboxylic Acid in the Stereoselective Synthesis.
  175. The Totally Protected Hydroxy Containing α-Amino Phosphonic Esters and α-Amino Phosphinoxides as well as Their Carbamoyl Derivatives
  176. Chemistry of the 1,3,5-Triaza-2-phosphorin-4,6-diones, Part XI*. Base-Catalyzed Addition Reactions of 2-Oxo-2-hydro-1,3,5-trimethyl-1,3,5-triaza-2λ4-phosphorine-4,6-dione to the C=N Double Bond of 3-Thiazoline Heterocycles
  177. ChemInform Abstract: Intramolecular vs. Intermolecular Induction in the Diastereoselective Catalytic Reduction of 17‐Oxo‐steroids.
  178. ChemInform Abstract: New β‐Amino Alcohols as Chiral Ligands for the Catalytic Enantioselective Reduction of Prochiral Ketones and the Nucleophilic Addition of Diethylzinc to Benzaldehyde.
  179. Synthesis of Glutathione Analogues, Peptide Nucleic Acids and Phosphonooligopeptides from Heterocyclic Imines
  180. SYNTHETIC APPROACH TO NEW α-AMINOPHOSPHONATES DERIVED FROM SIX-MEMBERED, SULFUR-CONTAINING HETEROCYCLIC IMINES
  181. Stereoselektive Pudovik-Reaktion von 5,6-Benzo-2//-l-methyl-3- (2’-chlorethyl)-2-oxo-1,3,2λ4-diazaphosphorin-4-on mit einem 3-Thiazolin und MPL-chromatographische Isolierung des Überschußdiastereomers / Stereoselective Pudovik Reaction of 5,6-Benzo-2H-...
  182. Twofold Insertion of Isocyanides into the GaGa Bond of Tetrakis[bis(trimethylsilyl)methyl]digallane(4)
  183. Syntheses of new chiral 1,2-diamines and δ-amino-alcohols and their application in catalytic enantioselective CC bond formations at an elevated temperature of up to 110 °C
  184. ChemInform Abstract: The Diastereoselective Synthesis of Oxacephams from 1,3‐2H‐Oxazines.
  185. Utilization of Industrial Waste Materials, 6. Utilization of Derivatives of the Bicyclic Proline Analog (all‐R)‐Octahydrocyclopenta[b]pyrrol‐2‐carboxylic Acid in the Stereoselective Synthesis
  186. New β‐Amino Alcohols as Chiral Ligands for the Catalytic Enantioselective Reduction of Prochiral Ketones and the Nucleophilic Addition of Diethylzinc to Benzaldehyde
  187. Intramolecular vs. intermolecular induction in the diastereoselective catalytic reduction of 17-oxo-steroids
  188. Synthesis of New 4-Thiazolidinylphosphonates via StereoselectivePudovikReaction
  189. ChemInform Abstract: Intramolecular vs. Intermolecular Induction in the Diastereoselective Catalytic Reduction of Enantiomerically Pure Ketones with Borane in the Presence of Cyclic β‐Amino Alcohols.
  190. ChemInform Abstract: Utilization of Industrial Waste Materials. Part 5. Synthesis of New, Chiral 1,3,2‐Oxazaphospholidine‐Borane Complexes and Attempts to Apply Them in the Stereoselective Synthesis.
  191. ChemInform Abstract: Palladium‐Mediated Enantioselective Formation of 2‐Methyltetral‐1‐one from the Corresponding Allyl or Benzyl Enol Carbonate in the Presence of Enantiopure Amino Alcohols.
  192. The Diastereoselective Synthesis of Oxacephams from 1,3-2H-Oxazines
  193. Synthesis of Homohydantoin-Thiazolidine Bicyclic Compounds
  194. Utilization of industrial waste materials, 5. Synthesis of new, chiral 1,3,2‐oxazaphospholidine‐borane complexes and attempts to apply them in the stereoselective synthesis
  195. Intramolecular vs. intermolecular induction in the diastereoselective catalytic reduction of enantiomerically pure ketones with borane in the presence of cyclic β-amino alcohols
  196. ChemInform Abstract: Phosphinic Acid Analogues of Thiaproline and the Related Heterocyclic Aminophosphinic Acids.
  197. ChemInform Abstract: Synthesis of Totally Protected, Nonproteinic α‐Amino Acids and Oligopeptides from 2H‐1,3‐Oxazines and 2H‐1,3‐Benzoxazines via Ugi‐ Reaction.
  198. ChemInform Abstract: Novel and Convenient Route to Phosphono‐oligopeptides Derived from 1,3‐ Oxazolines, 1,3‐Oxazines, and 1,3‐Thiazolines.
  199. Phosphinic Acid Analogues of Thiaproline and the Related Heterocyclic Aminophosphinic Acids
  200. Palladium-mediated enantioselective formation of 2-methyltetral-1-one from the corresponding allyl or benzyl enol carbonate in the presence of enantiopure aminoalcohols
  201. Diastereoselective Synthesis of Vinylmorpholines by Palladium-Catalyzed Tandem Allylic Substitutions using Enantiopure Aminoalcohols as Bifunctional Nucleophiles
  202. A Novel and Convenient Route to Phosphono-Oligopeptides Derived from 1,3-Oxazolines, 1,3-Oxazines and 1,3-Thiazolines
  203. Synthese totalgeschützter, nichtproteinogener α-Aminosäuren und Oligopeptide aus 2H-1,3-Oxazinen und 2H-1,3-Benzoxazinen via Ugi-Reaktion
  204. ChemInform Abstract: Production of Optically Active Ketones by a Palladium‐Induced Cascade Reaction from Racemic β‐Ketoesters.
  205. ChemInform Abstract: Decarboxylation of α‐Amino Acids Containing Two and Three Stereogenic Centers (I), (III): A Simple One‐Step Procedure to Prepare Two Optically Active β‐Amino Alcohols, e.g. (II), and a Bicyclic Pyrrolidine Derivative (IV).
  206. ChemInform Abstract: Single‐Step Synthesis of Racemic Di‐ and Tripeptides (IV) Derived from Unnatural β‐Hydroxy and β‐Mercapto α‐Amino Acids by the Ugi Reaction.
  207. ChemInform Abstract: Enantioselective Catalytic Borane Reductions of Achiral Ketones: Synthesis and Application of New Rigid Catalysts Prepared from (R)‐ Phenylglycine and (S)‐Phenylalanine.
  208. ChemInform Abstract: Enantioselective Catalytic Reduction of Acetophenone with Borane in the Presence of Cyclic α‐Amino Acids and Their Corresponding . beta.‐Amino Alcohols.
  209. Production of optically active ketones by a palladium-induced cascade reaction from racemic β-ketoesters.
  210. Decarboxylation of α-Amino Acids Containing Two and Three Stereogenic Centers: A Simple One-Step Procedure to Prepare two Optically Active β-Amino Alcohols and a Bicyclic Pyrrolidine Derivative
  211. Verwertung industrieller Abfallstoffe, 3. Synthese neuer, chiraler Pyridin-Derivate
  212. Verwertung industrieller Abfallstoffe, 2. Synthese neuer, chiraler β-Aminoalkohole
  213. Verwertung industrieller Abfallstoffe, 1. Synthese neuer, chiraler primärer und sekundärer, 1,2-Diamine
  214. ChemInform Abstract: Enantioselective Addition of Diethylzinc to Aromatic Aldehydes Catalyzed by Chiral Ligands Derived from L‐Hydroxyproline.
  215. Enantioselective catalytic reduction of acetophenone with borane in the presence of cyclic α-amino acids and their corresponding β-amino alcohols
  216. Single-Step Synthesis of Racemic Di- and Tripeptides Derived from Unnatural β-Hydroxy and β-Mercapto α-Amino, Acids by the Ugi Reaction
  217. New thioether derivatives as catalysts for the enantioselective addition of diethylzinc to benzaldehyde
  218. ChemInform Abstract: Catalytic Enantioselective Addition of Diethylzinc to Aldehydes: Synthesis and Application of a New Cyclic Catalyst.
  219. Enantioselective Addition of Diethylzinc to Aromatic Aldehydes Catalysed by Chiral Ligands Derived from L-Hydroxyproline
  220. L-cysteine-derivatives in asymmetric synthesis: Preparation of two new chiral β-amino alcohols and their application in the enantioselective catalytic reduction of prochiral aromatic ketones with borane
  221. Enantioselective Catalytic Borane Reductions of Achiral Ketones: Synthesis and Application of New Rigid Catalysts Prepared from (R)-Phenylglycine and (S)-Phenylalanine
  222. ChemInform Abstract: Catalytic Enantioselective Addition of Diethylzinc to Aldehydes: Application of a New Bicyclic Catalyst.
  223. Catalytic enantioselective addition of diethylzinc to aldehydes: Synthesis and application of a new cyclic catalyst
  224. ChemInform Abstract: Asymmetric Syntheses with Chiral Oxazaborolidines
  225. Catalytic enantioselective addition of diethylzinc to aldehydes: Application of a new bicyclic catalyst
  226. ChemInform Abstract: Simplified Synthesis of Peptides with Non‐Protected Amino Acid Hydrochlorides via Four‐Component Condensation.
  227. ChemInform Abstract: Enantioselective Catalytic Borane Reductions of Achiral Ketones: Synthesis and Application of New Catalysts Prepared from (S)‐tert‐ Leucine and (S)‐Azetidinecarboxylic Acid.
  228. Synthese von neuen monomeren schwefelhaltigen acryl‐ und methacrylsäureamid‐derivaten aus 3‐thiazolinen
  229. Enantioselective catalytic borane reductions of achiral ketones: Synthesis and application of new chiral β-amino alcohols from L-methionine
  230. Asymmetric syntheses with chiral oxazaborolidines
  231. Die anlagerung von mercaptocarbonsäuren an 3-thiazoline und anschließende lactamisierung
  232. Synthesis of Chiral Catalysts for the Enantioselective Addition of Diethylzinc to Aromatic Aldehydes
  233. Notizen: Metallkomplexe von 3-Thiazolinen / Metal Complexes of 3-Thiazolines
  234. Enantioselective Catalytic Borane Reductions of Achiral Ketones: Synthesis and Application Of New Catalysts Prepared from(S)-Tert-Leucine and (S)-Azetidinecarboxylic Acid
  235. ChemInform Abstract: Enantioselective Catalytic Borane Reductions of Achiral Ketones: Syntheses and Application of Two Chiral β‐Amino Alcohols from (S)‐ 2‐Indoline Carboxylic Acid.
  236. ChemInform Abstract: Enantioselective Catalytic Borane Reductions of Aromatic Ketones. Syntheses and Application of Two Chiral β‐Amino Alcohols from (S)‐ Porretine.
  237. ChemInform Abstract: Resolution of Enantiomers with Achiral Phase Chromatography
  238. ChemInform Abstract: Synthesis and Reactivity of 3‐Oxazolines.
  239. ChemInform Abstract: Enantioselective Catalytic Reductions of Ketones: Synthesis and Application of a New Structurally Rigid Bicyclic Catalyst.
  240. Synthese und Reaktivität von 3‐Oxazolinen
  241. Enantioselective catalytic borane reductions of achiral ketones: Syntheses and application of two chiral β-amino alcohols from (S)-2-indoline carboxylic acid
  242. Enantioselective catalytic borane reductions of aromatic ketones: Syntheses and application of two chiral β-amino alcohols from (S)-porretine
  243. Vereinfachte Peptidsynthese mit schutzgruppenfreien Aminosäure-Hydrochloriden nach dem Prinzip der Vierkomponenten-Kondensation
  244. Resolution of Enantiomers with Achiral Phase Chromatography
  245. ChemInform Abstract: Synthesis and Stereochemistry of New 2‐Substituted 4‐ Thiazolidineacetic Acids.
  246. ChemInform Abstract: Synthesis of 4‐Thiazolidineacetic Acids and β‐Homopenicillamine.
  247. ChemInform Abstract: N‐Acyl‐4‐thiazolines from 3‐Thiazolines.
  248. ChemInform Abstract: Synthesis and Stereochemistry of Dimethyl 4‐Thiazolidinylphosphonates.
  249. N-ACYL-4-THIAZOLINE AUS 3-THIAZOLINEN
  250. Synthese und stereochemie von neuen 2-substituierten 4-thiazolidinylessigsäuren
  251. Synthese und Stereochemie von 4‐Thiazolidinylphosphonsäureestern
  252. ChemInform Abstract: Properties of Chalcogen‐Chalcogen Bonds. Part 13. Reversible Dismutation and Coordination of Bis(2,4,6‐triisopropylphenyl) Diselenide with Iodine: A Model Study That Relates to Iodine Intercalation Between Selenium Chains.
  253. EPC-synthese von verruculotoxin
  254. Stereoselective Reaction Mass Spectrometry with Cyclic α-Amino Acids
  255. Enantioselective catalytic reductions of ketones: Synthesis and application of a new structurally rigid bicyclic catalyst
  256. Synthese von 4-Thiazolidinessigsäuren und β-Homopenicillamin
  257. Enantiomerenreine bicyclische pyrrolidin-derivate:
  258. Asymmetric Robinson Annulation Using Catalytic Amounts of a Rigid Bicyclic α‐Amino Acid
  259. (1S,3S,5S)‐2‐Amino‐3‐methoxymethyl‐2‐azabicyclo [3.3.0]octan: SAMBO — ein neuer chiraler Hilfsstoff
  260. Synthese sterisch einheitlicher selektoren zur dünnschichtchromatographischen racematspaltung nach dem ligandenaustauschprinzip
  261. Optical Resolution of (1 RS,3RS,5RS)‐2‐Azabicyclo[3.3.0]‐octane‐3‐carboxylic Acid
  262. Dünnschichtchromatog raphische enantiomerentrennung nach dem ligandenrustauschprinzip: synthese und struktur eines chiralen modellkomplexes
  263. Importance of enantiomeric purity and its control by thin-layer chromatography
  264. T.l.c. enantiomeric separation of amino acids
  265. Einfache Synthese neuer anellierter Pyrrole
  266. Synthese eines neuen chiralen selektors für die dünnschichtchromatographische enantiomerentrennung nach dem ligandenaustauschprinzip
  267. Anodische oxidation von 1,5-dimethyl-2-pyrrolcarbonitril
  268. Amino acids. 7. A novel synthetic route to L-proline
  269. Dünnschichtchromatographische Trennung stereoisomerer Dipeptide
  270. Thin Layer Chromatographic Separation of Stereoisomeric Dipeptides
  271. Thin-layer chromatographie enantiomeric resolution of ?-alkyl amino acids
  272. Resolution of Optical Isomers by Thin‐Layer Chromatography Enantiomeric Purity of D‐Penicillamine
  273. Resolution of Optical Isomers by Thin‐Layer Chromatography: Enantiomeric Purity of Methyldopa. Dünnschichtchromatographische Enantiomerentrennung: Enantiomere Reinheit von Methyldopa
  274. Enantiomerentrennung von N-Acylaminos�uren ohne vorherige Derivatisierung
  275. Correction to the contribution phosphonic and phosphinic acid analogs of penicillamine
  276. Phosphonic and Phosphinic Acid Analogs of Penicillamine
  277. Thin-layer chromatographic enantiomeric resolution
  278. Application of chromatographic chiral stationary phases to pharmaceutical analysis
  279. Resolution of optical isomers by. thin-layer chromatography (TLC). Enantiomeric purity of l-DOPA
  280. Dünnschichtchromatographische Enantiomerentrennung mittels Ligandenaustausch
  281. TLC Enantiomeric Resolution
  282. Aminosäuren - Herstellung und Gewinnung
  283. Asymmetric Syntheses with Amino Acids
  284. Gas chromatographic separation of enantiomers: determination of the optical purity of the chiral auxiliaries (R)- and (S)-1-amino-2-methoxymethylpyrrolidine
  285. HPLC-Bestimmung der optischen Reinheit cyclischer α-Aminocarbonsäuren mit einer neuen chiralen Phase
  286. Racematspaltung von DL‐Cystein
  287. Enzymatic Separation of L‐Leucine and L‐Isoleucine
  288. Aminosäuren - Bausteine des Lebens
  289. Optical resolution of racemic S‐(Carboxymethyl)cysteine
  290. Syntheses of 3‐Cyanopropan‐ and 4‐Aminobutanamides
  291. Induction of Asymmetry by Amino Acids
  292. Einfache Synthese von racemischem Cystein
  293. Facile Synthesis of Racemic Cysteine
  294. Asymmetric total synthesis of erythromycin. 3. Total synthesis of erythromycin
  295. Asymmetric total synthesis of erythromycin. 2. Synthesis of an erythronolide A lactone system
  296. Asymmetric total synthesis of erythromcin. 1. Synthesis of an erythronolide A secoacid derivative via asymmetric induction
  297. Asymmetric Synthesis of Peptides
  298. Enantioselective Catalytic Hydrogenation of α-Acetylaminoacrylic Acids
  299. Eine neue Synthese von 4‐Aminobuttersäureamid
  300. Photochemistry of organic selenium and tellurium compounds
  301. Ein neuer Weg zu 4-Amino-buttersäureamid
  302. A New Preparation of 4‐Aminobutyramide
  303. Siliciumverbindungen mit starken intramolekularen sterischen Wechseiwirkungen
  304. Enantioselektive Synthese der Hydroxyanaloga von D‐ und L‐Methionin
  305. Enantioselective Synthesis of the Hydroxy‐Analogues of D‐and L‐Methionine
  306. Zu dem beitrag. Organische Photochemie, XIV. ‐ Photoreaktionen sulfinylsubstituierter Carbonsäure‐, Thiocarbonsäure‐ und Selenocarbonsäurederivate in Lösung; lichtinduzierte Säurespaltungen, Heterocyclenbildungen und Photosubstitutionen
  307. Organische tellurverbindungen
  308. Organische Photochemie, XIV. Photoreaktionen sulfinylsubstituierter Carbonsäure‐, Thiocarbonsäure‐ und Selenocarbonsäurederivate in Lösung; lichtinduzierte Säurespaltungen, Heterocyclenbildungen und Photosubstitutionen
  309. Organische Schwefelverbindungen, XXIV1,2 Kettenlängen-Effekte bei massenspektrometrischen Zerfällen von α,ω-Dithiodicarbonsäure-S.S′-di-p-tolylestern / Organosulfur Compounds, XXIV1,2 Chain Length Effects in Mass Spectroscopic Decompositions of S,S′ -d...
  310. Selenolester – eine neue Klasse flüssigkristalliner Verbindungen
  311. Selenol Esters—A Novel Class of Liquid‐Crystal Compounds
  312. Notizen: Photochemistry of Selenol Esters
  313. Intramolekulare Photo-Friedel-Crafts-Reaktionen; ein neues Synthese-Prinzip für Heterocyclen 1
  314. Organische selenverbindungen—I
  315. Spektroskopische Untersuchungen, IX./Spectroscopic Investigations, IX.
  316. Massenspektrometrische Untersuchungen über ortho‐Effekte und verwandte Umlagerungen bei Benzoe‐ und 2,2'‐Diphensäurederivaten
  317. Organische photochemie VII
  318. Spektroskopische untersuchungen—VIII
  319. Organische Schwefelverbindungen, VIII. Bildung von Thiophenen durch Pyrolyse von Dihydrothiopyranen, Reaktionen der Diels‐Alder‐Addukte aus Thiofluorenon und 1,3‐Butadienen in der Hitze und unter Elektronenstoß
  320. 2- und 4-Azathioxanthone durch Photoumlagerung von Thionicotinsäure-S-arylestern
  321. 2‐ and 4‐Azathioxanthones by Photorearrangement of S‐Aryl Thionicotinates
  322. Organische Schwefelverbindungen, VII. Photochemische α‐Spaltung von Thiobenzoesäure‐S‐p‐tolylestern in Lösung
  323. Organische schwefelverbindungen—VI
  324. Organische Schwefelverbindungen—IV: Elektronenstossinduzierte Redoxreaktion von ortho‐Nitrothiobenzoesäure‐S‐p‐tolylester
  325. Photochemische Thiaxanthon-Synthese aus 2-Halogen-thiobenzoesäure- S -arylestern 1
  326. Organische Schwefelverbindungen V
  327. Organische schwefelverbindungen—III