All Stories

  1. Synthesis and characterization of a new multifunctional aliphatic poly(amic acid): An efficient polymeric adsorbent for removing the heavy metal ions
  2. Impact of a homogeneous hydrogen bond catalysis for the ethyl (hetero)arylidene cyanoacetate preparation in the presence of TMDP
  3. Amine-tethered DMAP Cation Catalysts: An Efficient Organocatalytic System for the Chemical Fixation of CO2 to Five-Membered Cyclic
  4. An efficient piperazine-based tertiary poly(amic acid) heterogeneous catalyst to prepare pyrrolidinone scaffolds
  5. Synthesis and characterization of a new multifunctional aliphatic poly(amic acid): an efficient functional polymeric catalyst
  6. Direct Catalytic Conversion of Aldehydes to Nitriles
  7. How Important is the Metal-free Catalytic Knoevenagel Reaction in Medicinal Chemistry? An Updated Review
  8. Organocatalytic Synthesis of (Hetero)arylidene Malononitriles Using a More Sustainable, Greener, and Scalable Strategy
  9. Tribological behavior of sulfonitrided tribofilm generated from non-corrosive dimercaptobenzothiadiazole-based additives as effective boundary lubrication layer
  10. Bis[1,3-di(4-piperidinium)propane] di-hydrogensulfate mono-sulfate trihydrate: An organic molten salt containing simultaneous acceptor-donor hydrogen bonding and Brönsted acid for homogeneous catalysis
  11. Mechanism study and preparing (hetero)arylidene malononitriles through a greener and scalable catalytic strategy
  12. One-pot thermo-induced radical-radical oxidative cross-coupling for symmetrical dimeric thiadiazole monosulfide formation
  13. Synthesis and characterization of 5-cyclopentylsulfanyl-3H-[1,3,4]thiadiazole-2-thione and study of its single-crystal structure, FTIR spectra, thermal behavior, and antibacterial activity
  14. Mono-cyclopentyl substituted [1,3,4]thiadiazole thione tautomer: study of the spectroscopic, geometric, thermal, and biological properties
  15. Determining the pKa1 and pKa2 Values of 4,4′-Trimethylenedipiperidine (TMDP), a Diprotic Organic Base with Unknown pKa Values
  16. Thione tautomer of mono-cyclohexyl-substituted bismuthiol: Synthesis and structure elucidation, characteristic vibrations, thermal behavior, and biological activity
  17. Improvement in Preparing and Separating Triacetin by the Combinatory Effect of Catalysis and In Situ Continuous Liquid–Liquid Extraction Technique
  18. A More Sustainable and Greener Process for Preparing 3,4,5‐Trisubstituted Furan‐2‐one Derivatives
  19. Single crystal XRD and FTIR studies of 4H,4H′-trimethylenedipiperidine-diium hydrogen sulfate hydrate and investigation its catalytic activity in Fischer esterification using the in-situ continuous liquid–liquid extraction technique
  20. Iodine supported poly(4-vinylpyridine): Efficient and recoverable catalyst for the synthesis of 3,3-diheteroaromatic oxindoles
  21. Poly(4-vinylpyridine)iodonium triiodide: A new efficient catalyst for the synthesis of 3,3-diheteroaromatic oxindole analogues
  22. Simultaneous activation of aldehydes and methylamine liberation by 4,4ʹ-trimethylenedipiperidine in the solid-state synthesis of N-methyl imines
  23. Synthesis and characterization of two new 2,5-bis-cycloalkylsulfanyl-[1,3,4]thiadiazoles and study of the crystal structure, thermal behavior, and biological activities compared with bismuthiol
  24. Investigation of extraction yield, chemical composition, bioactive compounds, antioxidant and antimicrobial characteristics of citron (Citrus medica L.) peel essential oils produced by hydrodistillation and supercritical carbon dioxide
  25. Study the crystal structure of 4,4′-(propane-1,3-diyl)dipiperidinium sulfate monohydrate and its hydrogen bond catalytic activity in the mechanochemical synthesis of BIMs
  26. Surface analysis and thermal behavior of the functionalized cellulose by glutaric anhydride through a solvent-free and catalyst-free process
  27. Myrtle: a versatile medicinal plant
  28. Highly effective ashless and non-corrosive dimercaptobenzothiadiazole as multifunctional lubricant additives in naphthenic base oil
  29. Greener and scalable mechanosynthesis of bis(3-indolyl)methane as an example of versatile pharmaceutical scaffold: Is the mechanochemical technique a metal-free process?
  30. Correlation on synthesis design and surface modification towards properties and applications of carbon nanofibers and carbon nanofibers based nanocomposites
  31. Recent Developments in Catalytic Reductive Etherifications
  32. Ball-Milling Technique for the Straightforward Synthesis of Nitriles from Aldehydes Using Poly(N-vinylimidazole): Is the Mechanochemical Procedure a Practical Metal- and Solvent-Free Synthetic Method?
  33. Influence of tween nature and type on physicochemical properties and stability of spearmint essential oil (Mentha spicata L.) stabilized with basil seed mucilage nanoemulsion
  34. Ashless and non-corrosive disulfide compounds as excellent extreme pressure additives in naphthenic oil
  35. 4,4′-Trimethylenedipiperidine, a safe and greener alternative for piperidine, catalyzed the synthesis of N-methyl imines
  36. Metal-free and green synthesis of a series of new bis(2-alkylsulfanyl-[1,3,4]thiadiazolyl)-5,5′-disulfides and 2,2′-Dibenzothiazyl disulfide via oxidative self-coupling using hydrogen peroxide
  37. The liquid phase of 4,4'-trimethylenedipiperidine: a safe and greener dual-task agent for clean and facile synthesis of coumarin derivatives
  38. An overview of metal-free sustainable nitrogen-based catalytic knoevenagel condensation reaction
  39. 4-(Dimethylamino)pyridinium chlorosulfonate: A new ionic liquid exhibiting chlorosulfonic acid action as monoprotic Brönsted acid and no sulfonating reagent
  40. Influence of Nanovesicle Type, Nanoliposome and Nanoniosome, on Antioxidant and Antimicrobial Activities of Encapsulated Myrtle Extract: A Comparative Study
  41. 3,4-Dichloro-1,2,5-thiadiazole: a commercially available electrophilic sulfur transfer agent and safe resource of ethanedinitrile
  42. A novel sublimable organic salt: Synthesis, characterization, thermal behavior, and catalytic activity for the synthesis of arylidene, heteroarylidene, and alkylidene malonates
  43. Preparation and characterization of the encapsulated myrtle extract nanoliposome and nanoniosome without using cholesterol and toxic organic solvents: A comparative study
  44. Surface modification of Carbon-Based Nanoadsorbents for the Advanced Wastewater Treatment
  45. 4,4’-trimethylenedipiperidine as a nitrogen heterocycle solvent and/or catalyst: Liquid phase tandem Knoevenagel–Michael condensation
  46. Synthesis, structure elucidation, vibrational and thermal behavior study of new one-core dication molten-salt
  47. Synthesis, Characterisation, and Determination of Physical Properties of New Two-Protonic Acid Ionic Liquid and its Catalytic Application in the Esterification
  48. Practical and efficient recyclable oxidative system for the preparation of symmetrical disulfides under aerobic conditions
  49. The structure elucidation of new ionic liquid and its application for the synthesis of a series of novel triazolo[1,5-a]pyrimidine scaffolds
  50. Solar energy and TiO 2 nanotubes: Biodiesel production from waste cooking olive oil
  51. Recent Advances in the Nano-Catalytic Knoevenagel Condensation
  52. Facile and green synthesis of a series of dihydro-[1,2,4]triazolo[1,5-a]pyrimidine scaffolds
  53. Greener and practical synthesis of 4,4′‐(arylmethylene)bis( 3‐methyl‐1‐phenyl‐1H ‐pyrazol‐5‐ol)s through a conventional heating and a mechanochemical procedure
  54. The structure elucidation of new mono-core dicationic salt-containing chlorosulfonate counterion: Raman study of a pure sample of chlorosulfonate anion in the solid and liquid state
  55. Meet Our Editorial Board Member
  56. Design, synthesis, characterization, and physical property determination of a new ionic liquid: the preparation of triazolo-pyrimidines at room temperature under metal-free conditions
  57. Greener and facile synthesis of 4,4′-(arylmethylene)bis(3-methyl-1-phenyl-1H-pyrazol-5-ol)s through a conventional heating procedure
  58. Catalytic Application of 1,4-Piperazinediethanesulfonic Acid (PIPES) for the One-pot Multicomponent Synthesis of Pyrano[4,3-b]pyrans
  59. Recent Catalytic Advances in the Synthesis of Organic Symmetric Disulfides
  60. A Green Alternative for Aryl Iodide Preparation from Aromatic Amines
  61. Application of nitrogen-rich porous organic polymer for the solid-phase synthesis of 2-amino-4H-benzo[b]pyran scaffolds using ball milling process
  62. Synthesis of a series of novel dihydro-[1,2,4]triazolo [1,5-a]pyrimidine scaffolds: Dual solvent-catalyst activity of a low viscous and acid-functionalized ionic liquid
  63. Arene diazonium saccharin intermediates: a greener and cost-effective alternative method for the preparation of aryl iodide
  64. Recent Advances and Applications of tert-Butyl Nitrite (TBN) in Organic Synthesis
  65. Recent Advances in Water Treatment Using Graphene-based Materials
  66. An Overview of Recent Advances in Biological and Pharmaceutical Developments of Fluoro-containing Drugs
  67. New protocols for the synthesis of 5-amino-7-(4-phenyl)-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate esters using an efficient additive
  68. 1H,4H-Piperazine-diium Dichlorosulfonate: Structure Elucidation and its Dual Solvent–Catalyst Activity for the Synthesis of New Dihydro-[1,2,4]triazolo[1,5-a]pyrimidine Scaffolds
  69. One-Pot Synthesis of Coumarins Using 1,1′-Butylenebis (3-sulfo-3H-imidazol-1-ium) Chloride as an Efficient Task-Specific Ionic Liquid
  70. Novel zwitterionic and ionic structures of imidazolium propane sulfonate salts on basis of NMR analysis
  71. Green one-pot multicomponent synthesis of pyrrolidinones using planetary ball milling process under solvent-free conditions
  72. An alternative, practical, and ecological protocol for synthesis of arylidene analogues of Meldrum’s acid as useful intermediates
  73. 4,4′-Trimethylenedipiperidine (TMDP): An Efficient Organocatalyst for the Mechanosynthesis of Pyrano[4,3-b]pyrans under Solid-state Conditions
  74. Synthesis of new low-viscous sulfonic acid-functionalized ionic liquid and its application as a Brönsted liquid acid catalyst for the one-pot mechanosynthesis of 4H-pyrans through the ball milling process
  75. Identification of novel chemical structures of sulfo-imidazolium zwitterionic-type salt basis on 2D NMR analysis
  76. 1,1′-Butylenebis(3-sulfo-3H-imidazol-1-ium) hydrogensulfate: a versatile task-specific ionic liquid catalyst for the synthesis of 4H-pyran scaffolds through non-conventional process
  77. Nanocatalysis and their Application in Water and Wastewater Treatment
  78. Saccharin: a cheap and mild acidic agent for the synthesis of azo dyes via telescoped dediazotization
  79. Microwave-assisted synthesis of pyrrolidinone derivatives using 1,1’-butylenebis(3-sulfo-3H-imidazol-1-ium) chloride in ethylene glycol
  80. Mechanosynthesis of N-Methyl Imines Using Recyclable Imidazole-Based Acid-Scavenger: In Situ Formed Ionic Liquid as Catalyst and Dehydrating Agent
  81. بهبود فرآیند تولید بیودیزل از پسماند روغن زیتون توسط کاتالیست نانو ذرات تیتانیوم دی‌اکسید در مقایسه با کاتالیزگر مرسوم سدیم هیدروکسید
  82. Synthesis of Quinoline Derivatives via the Friedländer Annulation Using a Sulfonic Acid Functionalized Liquid Acid as Dual Solvent-Catalyst
  83. Efficient chemical fixation of CO2 into cyclic carbonates using poly(4-vinylpyridine) supported iodine as an eco-friendly and reusable heterogeneous catalyst
  84. Recent Application of the Various Nanomaterials and Nanocatalysts for the Heavy Metals’ Removal from Wastewater
  85. 4-imidazol-1-yl-butane-1-sulfonic acid ionic liquid: Synthesis, structural analysis, physical properties and catalytic application as dual solvent-catalyst
  86. This review describes recent applications of tert-butyl nitrite as a versatile reagent.
  87. Two novel binuclear sulfonic-functionalized ionic liquids: Influence of anion and carbon-spacer on catalytic efficiency for one-pot synthesis of bis(indolyl)methanes
  88. A facile and sustainable protocol to the preparation of aryl iodides using stable arenediazonium bis(trifluoromethylsulfonyl)imide salts via the telescopic process
  89. The recent catalytic role of poly(vinyl pyridine) and its derivatives in organic reactions
  90. Synthesis and characterization of novel binuclear task-specific ionic liquid: an efficient and sustainable sulfonic-functionalized ionic liquid for one-pot synthesis of xanthenes
  91. Saccharin: an efficient organocatalyst for the one-pot synthesis of 4-amidocinnolines under metal and halogen-free conditions
  92. Synthesis of Tetrahydrotriazoloacridine Derivatives Using an Efficient and Reusable Poly-Organocatalyst
  93. Application of TiO2 nanoparticles for eco-friendly biodiesel production from waste olive oil
  94. An Efficient Synthesis of Pyrrolidinone Derivatives in the Presence of 1,1′-Butylenebis(3-sulfo-3H-imidazol-1-ium) Chloride
  95. Saccharin and tert-Butyl Nitrite: Cheap and Efficient Reagents for the Synthesis of 1,2,3-Benzotriazine-4-(3H)-ones from 2-Aminobenzamides under Metal-Free Conditions
  96. Synthesis and characterization of some novel 4-arylglyoxal-chromene derivatives in the presence of a polymeric catalyst and biological evaluation against Escherichia coli
  97. Synthesis of Tetrahydrotriazoloacridines: A Synergistic Effect of Microwave Irradiation and Brönsted Acidic Ionic Liquids
  98. TiO2 nanotubes and sonication: Synthesis of azo-linked xanthenes
  99. Telescopic Synthesis of Azo Compounds via Stable Arenediazonium Tosylates by Using n-Butyl Nitrite as Diazotization Reagent
  100. Microwave-assisted degradation of guaifenesin (GGE) to produce novel compounds in the presence of imidazolium-based ionic liquids
  101. Telescopic synthesis of azo compounds via stable arenediazonium bis(trifluoromethane)sulfonimide salts by using tert -butyl nitrite
  102. GC–MS study of thermochemical conversion of guaifenesin in the presence of 1-butyl-3-methylimidazolium-based ionic liquids
  103. One-Pot Multicomponent Synthesis of Pyrazolo[3,4-d]pyrimidine-6-one Derivatives
  104. TiO2 nanotubes catalyzed the synthesis of azo-linked xanthenes under ultrasonic conditions
  105. Eco-friendly biodiesel production from olive oil waste using solar energy
  106. Ultrasonically promoted synthesis of tacrine analogs in the presence of TiO2 nanotubes
  107. Succinimide-N-sulfonic Acid as a Recyclable Brönsted Acid Catalyst for Synthesis of Pyrano[4,3-b]pyran Derivatives by Using Solar Energy Under Solvent-Free Conditions
  108. 4-(Succinimido)-1-butane Sulfonic Acid as a Brönsted Acid Catalyst for Synthesis of 4,4′-(arylmethylene)bis(1H-pyrazol-5-ol)s Derivatives under Solvent-Free Conditions
  109. Synthesis of N-methyl imines in the presence of poly(N-vinylpyridine) as a reusable solid base catalyst by a mechanochemical process
  110. N -Methylimidazolium perchlorate as a new ionic liquid for the synthesis of bis(pyrazol-5-ol)s under solvent-free conditions
  111. 1,1′-butylenebis(3-methyl-3H-imidazol-1-ium) Hydrogen Sulfate Catalyzed One-Pot Multi-Component Synthesis of Unsymmetrical Polyhydroquinoline Derivatives
  112. ChemInform Abstract: 4-(Succinimido)-1-butane Sulfonic Acid as a Broensted Acid Catalyst for Synthesis of Pyrano[4,3-b]pyran Derivatives under Solvent-Free Conditions.
  113. 4-(Succinimido)-1-butane sulfonic acid as a Brönsted acid catalyst for the synthesis of pyrano[4,3-b]pyran derivatives using thermal and ultrasonic irradiation
  114. ChemInform Abstract: The Chemoselective N-Boc Protection of Amines in the Presence of Solid-Supported Perchloric Acid as an Efficient and Reusable Solid Acid.
  115. Introduction 1,1′-butylenebis(3-methyl-3H imidazol-1-ium) Hydrogen Sulfate as an Efficient Binuclear Brönsted Acidic Ionic Liquid for Three-Component and One-Pot Synthesis of Benzo[f]indenoquinoline Derivatives
  116. 4-(Succinimido)-1-butane sulfonic acid as a Brönsted acid catalyst for synthesis of pyrano[4,3-b]pyran derivatives under solvent-free conditions
  117. N-Sulfonic acid poly(4-vinylpyridinium) hydrogen sulfate as an efficient and reusable solid acid catalyst for one-pot synthesis of xanthene derivatives in dry media under ultrasound irradiation
  118. Synthesis of benzo[g]indeno[2,1-b]quinoline derivatives via four-component and one-pot synthesis in presence of 3-methyl-1-sulfonic acid imidazolium hydrogen sulfate
  119. 1,1′-Butylenebis(3-methyl-3H-imidazol-1-ium) hydrogen sulfate as an efficient binuclear Brønsted ionic liquid for the synthesis of tacrine analogues
  120. One-pot multicomponent synthesis of unsymmetrical polyhydroquinoline derivatives with 1,1′-butylenebispyridinium hydrogen sulfate as an efficient, halogen-free and reusable Brönsted ionic liquid catalyst
  121. Synthesis of Xanthene Derivatives in Presence of Poly(4-vinylpyridinium) Perchlorate as a Solid Acid under Grinding and Solvent-Free Conditions
  122. The chemoselective N-Boc protection of amines in the presence of solid-supported perchloric acid as an efficient and reusable solid acid
  123. Four-component one-pot synthesis of unsymmetrical polyhydroquinoline derivatives using 3-methyl-1-sulfonic acid imidazolium hydrogen sulfate as a catalyst
  124. N-Sulfonic acid poly(4-vinylpyridinum) hydrogen sulfate as a novel, efficient, and reusable solid acid catalyst for acylation under solvent-free conditions
  125. 1,1′-Butylenebis(3-methyl-3H-imidazol-1-ium) dihydrogensulfate as a halogen-free and reusable binuclear Brönsted ionic liquid catalyzed the synthesis of pyrano[4,3-b]pyran derivatives
  126. 3-Methyl-1-sulfonic acid imidazolium hydrogen sulfate-catalyzed three-component, one-pot synthesis of 13-aryl-12H-benzo[f]indeno[1,2-b]quinoline-12-one derivatives
  127. Three-component, one-pot synthesis of benzo[f]indenoquinoline derivatives catalyzed by poly(4-vinylpyridinium) hydrogen sulfate
  128. Solvent-free synthesis of quinoline derivatives via the Friedländer reaction using 1,3-disulfonic acid imidazolium hydrogen sulfate as an efficient and recyclable ionic liquid catalyst
  129. Poly(4-vinylpyridinium) perchlorate as an efficient solid acid catalyst for the chemoselective preparation of 1,1-diacetates from aldehydes under solvent-free conditions
  130. Poly(4-vinylpyridinium) hydrogen sulfate catalyzed synthesis of 12-aryl-12-hydro-5H-benzo[g]indeno[2,1-b]quinoline-6,11,13-trione derivatives
  131. Poly(n-butyl-4-vinylpyridinium) borohydride as a new stable and efficient reducing agent in organic synthesis
  132. Aldol condensations of a variety of different aldehydes and ketones under ultrasonic irradiation using poly(N-vinylimidazole) as a new heterogeneous base catalyst under solvent-free conditions in a liquid-solid system
  133. Succinimide-N-sulfonic acid catalyzed synthesis of bis(indolyl)methane and coumarin derivatives under mild conditions
  134. Poly(1,4-butyl-bis-vinylpyridinium) borohydride as a new stable and efficient reducing agent in organic synthesis
  135. An efficient and practical synthesis of bis(indolyl)methanes catalyzed by N-sulfonic acid poly(4-vinylpyridinium) chloride
  136. Ultrasound-assisted one-pot synthesis of substituted coumarins catalyzed by poly(4-vinylpyridinium) hydrogen sulfate as an efficient and reusable solid acid catalyst
  137. ChemInform Abstract: Poly(N-vinylimidazole) as an Efficient Catalyst for Acetylation of Alcohols, Phenols, Thiols and Amines under Solvent-Free Conditions.
  138. A succinimide-N-sulfonic acid catalyst for acetylation reactions in absence of a solvent
  139. Protection of functional groups in organic chemistry
  140. 1,3-Disulfonic acid imidazolium hydrogen sulfate as an efficient and reusable ionic liquid catalyst for the N-Boc protection of amines
  141. Introduction of poly(4-vinylpyridinium) perchlorate as a new, efficient, and versatile solid acid catalyst for one-pot synthesis of substituted coumarins under ultrasonic irradiation
  142. Ultrasound assisted the chemoselective 1,1-diacetate protection and deprotection of aldehydes catalyzed by poly(4-vinylpyridinium)hydrogen sulfate salt as a eco-benign, efficient and reusable solid acid catalyst
  143. Succinimide-N-sulfonic acid: An efficient catalyst for the synthesis of xanthene derivatives under solvent-free conditions
  144. Preparation, characterization and use of 1,3-disulfonic acid imidazolium hydrogen sulfate as an efficient, halogen-free and reusable ionic liquid catalyst for the trimethylsilyl protection of hydroxyl groups and deprotection of the obtained trimethylsi...
  145. ChemInform Abstract: Synthesis of Coumarins via Pechmann Reaction Catalyzed by 3-Methyl-1-sulfonic Acid Imidazolium Hydrogen Sulfate as an Efficient, Halogen-Free and Reusable Acidic Ionic Liquid.
  146. Preparation, characterization and use of poly(4-vinylpyridinium) perchlorate as a new, efficient, and versatile solid phase catalyst for acetylation of alcohols, phenols and amines
  147. 1,3-Dibromo-5,5-dimethylhydantoin (DBH)/kaolin: An efficient reagent system for the synthesis of 14-aryl-14H-dibenzo[a,j]xanthenes under solvent-free conditions
  148. N-sulfonic acid poly(4-vinylpyridinium) chloride: an efficient and reusable solid acid catalyst in N-Boc protection of amines
  149. ChemInform Abstract: Succinimide Sulfonic Acid (SuSA): An Efficient and Recyclable Catalyst for the Chemoselective N-Boc Protection of Amines.
  150. Poly(4-vinylpyridinium)hydrogen sulfate: A novel and efficient catalyst for the synthesis of 14-aryl-14H-dibenzo[a,j]xanthenes under conventional heating and ultrasound irradiation
  151. ChemInform Abstract: Poly(4-vinylpyridinium) Hydrogensulfate Catalyzed Synthesis of 12-Aryl-12H-indeno[1,2-b]naphtho[3,2-e]pyran-5,11,13-triones.
  152. Poly(4-vinylpyridinium) hydrogensulfate catalyzed synthesis of 12-aryl-12H-indeno[1,2-b]naphtho[3,2-e]pyran-5,11,13-triones
  153. Poly(4-vinylpyridine) catalyzed chemoselective O-TMS protection of alcohols and phenols and N-Boc protection of amines
  154. Investigation of the catalytic activity of poly(4-vinylpyridine) supported iodine as a new, efficient and recoverable catalyst for regioselective ring opening of epoxides
  155. Synthesis of coumarins via Pechmann reaction catalyzed by 3-methyl-1-sulfonic acid imidazolium hydrogen sulfate as an efficient, halogen-free and reusable acidic ionic liquid
  156. Poly(N-vinylimidazole) as a halogen-free and efficient catalyst for N-Boc protection of amines under solvent-free conditions
  157. Poly(4-vinylpyridinium) hydrogen sulfate: an efficient catalyst for the synthesis of xanthene derivatives under solvent-free conditions
  158. Succinimide sulfonic acid (SuSA): an efficient and recyclable catalyst for the chemoselective N-Boc protection of amines
  159. Succinimide-N-Sulfonic Acid: A Mild, Efficient, and Reusable Catalyst for the Chemoselective Trimethylsilylation of Alcohols and Phenols
  160. Preparation, characterization and use of 3-methyl-1-sulfonic acid imidazolium hydrogen sulfate as an eco-benign, efficient and reusable ionic liquid catalyst for the chemoselective trimethylsilyl protection of hydroxyl groups
  161. Preparation, characterization and use of poly(4-vinylpyridinium) hydrogen sulfate salt as an eco-benign, efficient and reusable solid acid catalyst for the chemoselective 1,1-diacetate protection and deprotection of aldehydes
  162. Experimental and ab initio study on structures and internal barriers to rotation in α-stannyl, germanium, and silicon carbamates