All Stories

  1. vibrational circular dichroism spectroscopy to distinguish various sources of chirality
  2. Circularly Polarized Luminescence of Some [2]Paracyclo[2](5,8)quinoliphane Derivatives with Planar and Central Chirality
  3. CF3: an overlooked chromophore in VCD spectra. A review of recent applications in structural determination
  4. Chemistry of detrifluoroacetylativelyin situgenerated fluoro-enolates
  5. Recent progress in the application of fluorinated chiral sulfinimine reagents
  6. Mannich-type addition of 1,3-dicarbonyl compounds to chiral tert-butanesulfinyltrifluoroacetaldimines. Mechanistic aspects and chiroptical studies
  7. Solvent-free, uncatalyzed asymmetric “ene” reactions of N-tert-butylsulfinyl-3,3,3-trifluoroacetaldimines: a general approach to enantiomerically pure α-(trifluoromethyl)tryptamines
  8. Indole Based Weapons to Fight Antibiotic Resistance: A Structure–Activity Relationship Study
  9. Long-Range Bonding/Nonbonding Interactions: A Donor–Acceptor Resonance Studied by Dynamic NMR
  10. Are carboxylic esters really refractory to DAST? On the fluorination of α-hydroxyesters with DAST
  11. Tribute to Prof. Manfred Schlosser (1934–2013)
  12. Chiroptical Signatures of Planar and Central Chirality in [2]Paracyclo[2](5,8)quinolinophane Derivatives
  13. Importance of C*–H Based Modes and Large Amplitude Motion Effects in Vibrational Circular Dichroism Spectra: The Case of the Chiral Adduct of Dimethyl Fumarate and Anthracene
  14. Optimization of Small-Molecule Inhibitors of Influenza Virus Polymerase: From Thiophene-3-Carboxamide to Polyamido Scaffolds
  15. Cationic half-sandwich quinolinophaneoxazoline-based (η6-p-cymene)ruthenium(ii) complexes exhibiting different chirality types: synthesis and structural determination by complementary spectroscopic methods
  16. Recent advances in the synthesis of regioselectively fluorinated homo- and heterocyclic compounds by complementary cyclization methods
  17. Stereochemical characterization of fluorinated 2-(phenanthren-1-yl)propionic acids by enantioselective high performance liquid chromatography analysis and electronic circular dichroism detection
  18. Rotational barriers of biphenyls having heavy heteroatoms as ortho-substituents: experimental and theoretical determination of steric effects
  19. Vibrational Circular Dichroism: A Valuable Tool for Conformational Analysis and Absolute Configuration Assignment of Chiral 1-Aryl-2,2,2-Trifluoroethanols
  20. How Space-Filling Is a Pyridine Lone Pair?
  21. Electrical and mechanical anharmonicities from NIR-VCD spectra of compounds exhibiting axial and planar chirality: The cases of (S)-2,3-pentadiene and methyl-d3 (R)- and (S)-[2.2]paracyclophane-4-carboxylate
  22. ChemInform Abstract: Cerium(IV) Ammonium Nitrate Promoted Oxidative Cyclization of Dimethyl 4-Pentenylmalonate.
  23. The Torsional Barriers of 2-Hydroxy- and 2-Fluorobiphenyl: Small but Measurable
  24. Nucleophilic Substitutions of Nitroarenes and Pyridines: New Insight and New Applications
  25. Metalation of 2-Heterosubstituted Naphthalenes at the 1- or 3- Position: Factors That May Determine the Regiochemistry
  26. The biphenyl-monitored effective size of unsaturated functional or fluorinated ortho substituents
  27. Study of the Photobehavior of a Newly Synthesized Chiroptical Molecule: (E)-(Rp,Rp)-1,2-Bis{4-methyl-[2]paracyclo[2](5,8)quinolinophan-2-yl}ethene
  28. Electronic and Vibrational Circular Dichroism Spectra of Chiral 4-X-[2.2]paracyclophanes with X Containing Fluorine Atoms
  29. BValues as a Sensitive Measure of Steric Effects
  30. Nucleus- and side-chain fluorinated 3-substituted indoles by a suitable combination of organometallic and radical chemistry
  31. Harmonic and Anharmonic Features of IR and NIR Absorption and VCD Spectra of Chiral 4-X-[2.2]Paracyclophanes
  32. Quinolinophane-derived alkyldiphenylphosphines: two homologous P,N-planar chiral ligands for palladium-catalysed allylic alkylation
  33. Lipase-catalyzed enantioselective hydrolysis of methyl 2-fluoro-2-arylpropionates in water-saturated isooctane
  34. Cationic half-sandwich Ru(II) complexes bearing (S)-2-pyridyl-imino-[2.2]paracyclophane ligands: Synthesis, intramolecular and interionic structure
  35. On the enzymatic hydrolysis of methyl 2-fluoro-2-arylpropionates by lipases
  36. ([2]Paracyclo[2](5,8)quinolinophan-2-yl)carbinols as catalysts for diethylzinc addition to aldehydes: cooperative effects of planar and central chirality on the asymmetric induction
  37. Atropisomeric (R,R)-2,2‘-Bi([2]paracyclo[2](5,8)quinolinophane) and (R,R)-1,1‘-Bi([2]paracyclo[2](5,8)isoquinolinophane):  Synthesis, Structural Analysis, and Chiroptical Properties
  38. Regioselectively Nucleus and/or Side-Chain Fluorinated 2-(Phenanthryl)propionic Acids by an Effective Combination of Radical and Organometallic Chemistry
  39. CYP 17 and CYP 19 Inhibitors. Evaluation of Fluorine Effects on the Inhibiting Activity of Regioselectively Fluorinated 1-(Naphthalen-2-ylmethyl)imidazoles
  40. First General Approach to Cyclohex-3-ene-1,1-bis(phosphonates) by Diels−Alder Cycloaddition of Tetraethyl Vinylidenebis(phosphonate) to 1,3-Dienes
  41. Catalysis of the β-Elimination of HF from Isomeric 2-Fluoroethylpyridines and 1-Methyl-2-fluoroethylpyridinium Salts. Proton-Activating Factors and Methyl-Activating Factors as a Mechanistic Test To Distinguish between Concerted E2 and E1cb Irreversibl...
  42. New strategies in the synthesis of regioselectively trifluoromethyl- and trifluoromethoxy-substituted arenes as building blocks for biologically active molecules
  43. Asymmetric Diels−Alder, Michael, and Aldol Reactions Using a Planar Chiral 1,3-Oxazol-2(3H)-one Derived from (R)-(+)-4-Hydroxy-[2.2]paracyclophane
  44. Oxidative Coupling of O-Silyl and O-Alkyl Enethers:  Application of the Novel Annulation Sequence to the Synthesis of Fluorinated Naphthaldehydes and Naphthyl Ketones
  45. A Facile Access to Polycyclic Homo- and Heteroaromatic Hydrocarbons Based on the Ceric Ammonium Nitrate-Promoted Oxidative Addition of 3-Aryl-1-[(trimethylsilyl)oxy]cyclohexenes to Ethyl Vinyl Ether
  46. Reactivity and Mechanism of 1-X-2-(O-Nitrophenyl)Ethanes in Base Induced β-Elimination Reactions With Formation of O-Nitrostyrene
  47. A New Synthetic Approach to Substituted 1(2H)-Phenanthrenones Based on the Ceric Ammonium Nitrate-Promoted Oxidative Addition of 3-Aryl-1-[(trimethylsilyl)oxy]- cyclohexenes to Ethyl Vinyl Ether
  48. Effects of Association Colloids on Elimination from 1,2-Dihalo-1,2-diphenylethanes. The Role of Surfactant Structure
  49. Circular dichroism spectra (350–185 nm) of a new series of 4-substituted [2.2]paracyclophanes: A quantitative analysis within the DeVoe polarizability model
  50. Enzymatic kinetic resolution of (±)-4-acetoxy[2.2]paracyclophane by Candida cylindracea lipase. An efficient route for the preparation of (+)-R-4-hydroxy- and (+)-S-4-acetoxy[2.2]paracyclophane
  51. Synthesis of Chiral (R)-4-Hydroxy- and (R)-4-Halogeno[2.2]paracyclophanes and Group Polarizability. Optical Rotation Relationship
  52. 1, 1, 1-Trifluoroacetone as an Efficient Catalyst for the Hydrogen Peroxide Promoted Selective Oxidation of Sulfides to Sulfoxides
  53. Synthesis of 2,3-Substituted Cycloalkanones by Ceric Ammonium Nitrate-Promoted Oxidative Tandem Additions of 1-Ethoxy-1-[(Trimethylsilyl)oxy]cyclopropane to α,β-Unsaturated Cycloalkenones
  54. Regio- and Stereoselective Synthesis of Unsaturated Carbonyl Compounds Based on Ceric Ammonium Nitrate-Promoted Oxidative Addition of Trimethylsilyl Enol Ethers to Conjugated Dienes
  55. Identification of stereoisomers based on dielectric studies: dipole moments of chloroalkenes and chlorocumulenes
  56. Palladium-catalyzed alkylation of allylic nitrates derived from ceric ammonium nitrate promoted oxidative addition of trimethylsilyloxy-cyclopropanes to 1,3-butadiene
  57. γ-selectivity in the ceric ammonium nitrate promoted oxidative addition of silyl dienol ethers to silyl enol ethers
  58. Stereoelectronic effects in the side-chain bromination of alkylaromatic compounds
  59. Cerium (IV) ammonium nitrate promoted oxidative cyclization of dimethyl 4-pentenylmalonate
  60. Anodic oxidation of .alpha.-substituted p-xylenes. Electronic and stereoelectronic effects of .alpha.-substituents in the deprotonation of alkylaromatic radical cations
  61. Electronic and steric effects in the addition of electrophilic 1,3-dicarbonylalkyl radicals to styrenes
  62. 1-Oxa-2,3-cyclohexadiene (“2H-isopyran”): A strained heterocyclic allene undergoing cycloaddition reactions with characteristic typo-, regio- and stereoselectivities
  63. Relative rates for the addition reactions of the malonyl radical to substituted styrenes induced by cerium(IV) ammonium nitrate and tributyltin hydride. A comparison
  64. ChemInform Abstract: Product and Kinetic Study of the Oxidation of Thioethers by Cerium(IV) Ammonium Nitrate in Acetic Acid
  65. ChemInform Abstract: Synthetic Applications of Substitution and Addition Reactions Promoted by Cerium(IV) Ammonium Nitrate
  66. ChemInform Abstract: Synthesis of Sulfoxides (II) by Phase-Transfer Catalyzed Oxidation of Sulfides (I) by Cerium(IV) Ammonium Nitrate.
  67. One electron oxidations of benzyl and 2-phenylethyl phenyl ethers. The fate of the intermediate radical cations
  68. Synthesis of unsymmetrical 1,4-diketones by the ceric ammonium nitrate promoted cross-coupling of trimethylsilyl enol ethers
  69. Synthetic Applications of Substitution and Addition Reactions Promoted by Cerium(IV) Ammonium Nitrate
  70. Synthesis of Sulfoxides by Phase Transfer Catalyzed Oxidation of Sulfides by Cerium(IV) Ammonium Nitrate
  71. Synthesis of 3-Acyl and 3-Carboalkoxyfurans by the Ceric Ammonium Nitrate Promoted Addition of 1,3-Dicarbonyl Compounds to Vinylic Acetates
  72. Kinetics and Mechanism of the Oxidation Reaction of Thioethers by Cerium(IV) Ammonium Nitrate
  73. Synthesis of 1,4-dicarbonyl compounds by the ceric ammonium nitrate promoted reaction of ketones with vinyl and isopropenyl acetate
  74. ChemInform Abstract: 1,2- and 1,4-Addition in the Reactions of Carbonyl Compounds with 1,3-Butadiene Induced by Cerium(IV) Ammonium Nitrate.
  75. Product study of some one-electron oxidations of bibenzyl and 4-ethylbibenzyl. Evidence against carbon-carbon bond cleavage of the bibenzyl radical cation in solution
  76. 1,2- And 1,4-addition in the reactions of carbonyl compounds with 1,3-butadiene induced by cerium(IV) ammonium nitrate
  77. Dimethyl arylmalonates from cerium(IV) ammonium nitrate promoted reactions of dimethyl malonate with aromatic compounds in methanol
  78. Stereochemistry and mechanisms in eliminations from some 1,2-dihalo-1,2-diphenylethanes promoted by potassium tert-butoxide in tert-butyl alcohol
  79. The reactions of cerium (IV) ammonium nitrate and cobalt (III) acetate with 1,2-diphenylethanes in acetic acid. Evidence against the involvement of radical cations in the side-chain oxidation of alkylbenzenes by Co(OAc)3
  80. Anti and syn eliminations from 2,3-dihalo-2,3-dihydrobenzofurans. The role of the substrate structure and the base-solvent system on the reaction mechanism
  81. ?Isoretinol? and Retinal: An Unorthodox, but Simple Entry to the Vitamin A Series
  82. Concerted and stepwise mechanisms in the eliminations from 1,2-dihaloacenaphthenes promoted by potassium tert-butoxide and potassium ethoxide in the the corresponding alcohols
  83. Base-Promoted 1,4-Elimination Reactions: On the Origin of an Eventualsyn-Stereoselectivity
  84. Synthesis and stereochemistry oftrans- andcis-2,3-difluoro-2,3-dihydrobenzofuran
  85. Base-strength effects in syn eliminations from trans-2,3-dichloro-2,3-dihydrobenzofuran in dimethyl sulfoxide
  86. Irreversible E1cb mechanism in the syn eliminations from 1,2-dihalogenoacenaphthenes promoted by potassium t-butoxide in t-butyl alcohol
  87. Reactivity of free and associated phenoxides in syn and antielimination reactions in dimethyl sulfoxide
  88. Products, kinetics, and mechanism in the acetolysis of 2,3-dichloro-2,3-dihydrobenzofuran. An E1 elimination with a rate-determining proton transfer
  89. Kinetic study of the base-induced anti and syn eliminations from 2,3-dihalogeno-2,3-dihydrobenzofurans in different base-solvent systems
  90. Influence of the steric requirements of the nucleophile on the transition state structure of E2 reactions. A kinetic study of the eliminations from 1-bromo-2-arylethanes and 1-chloro-1-phenyl-2-arylethanes promoted by sodium 2,6-Di-tert-butylphenoxide
  91. Evidence for an indirect halogen exchange in the reaction oftrans- 2,3-dibromo-2,3-dihydrobenzofuran with chloride ions
  92. Kinetic study of elimination from 3α-chloro-3β-methyl- and 3β-chloro-3α-methyl-5α-cholestane promoted by potassium t-butoxide in t-butyl alcohol
  93. Effects of base association upon geometrical orientation in elimination from 1-phenyl-2-propyl chloride in potassium tert-butoxiden-tert-butyl alcohol