Journal ArticleDOI
An efficient method for acylation reactions
P. Saravanan,Vinod K. Singh +1 more
TLDR
In this article, a catalytic cycle has been proposed for the acylation reaction of alcohols, phenols, amines and thiols with acetic anhydride in CH 2 Cl 2 or acetic acid.About:
This article is published in Tetrahedron Letters.The article was published on 1999-03-26. It has received 161 citations till now. The article focuses on the topics: Acetic anhydride & Acylation.read more
Citations
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TADDOLs, Their Derivatives, and TADDOL Analogues: Versatile Chiral Auxiliaries
TL;DR: TADDOLs are the most effective doping agents known for phase transformations of achiral (nematic) into chiral (cholesteric) liquid crystals and show further unusual characteristics that make them useful for applications in material science and supramolecular chemistry.
Journal ArticleDOI
Perchloric acid adsorbed on silica gel as a new, highly efficient, and versatile catalyst for acetylation of phenols, thiols, alcohols, and amines
TL;DR: Perchloric acid adsorbed on silica gel efficiently catalyses acetylation of structurally diverse phenols, alcohols, thiols, and amines under solvent free conditions.
Journal ArticleDOI
Spinel-type zinc aluminate (ZnAl2O4) nanoparticles prepared by the co-precipitation method: A novel, green and recyclable heterogeneous catalyst for the acetylation of amines, alcohols and phenols under solvent-free conditions
TL;DR: In this paper, a co-precipitation method using aqueous ammonia solution as the precipitating agent was used for the preparation of ZnAl2O4 nanoparticles for the acetylation of various amines, alcohols and phenols.
Journal ArticleDOI
Bismuth ferrite (BiFeO3) nanopowder prepared by sucrose-assisted combustion method: A novel and reusable heterogeneous catalyst for acetylation of amines, alcohols and phenols under solvent-free conditions
Saeid Farhadi,Masoumeh Zaidi +1 more
TL;DR: In this paper, an efficient and selective acetylation of various amines, alcohols and phenols was carried out over BiFeO3 nanopowder by using acetic anhydride and/or acetyl chloride as the acetylating agents at room temperature under solvent-free conditions.
Journal ArticleDOI
Lewis acid catalyzed acylation reactions: scope and limitations
TL;DR: In this paper, the authors studied a variety of Lewis acids for acylation of alcohols, thiols, and sugars. And they found that the present method is suitable for selective acylation of primary or secondary alcohols over tertiary ones.
References
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Book
Protective groups in organic synthesis
TL;DR: In this article, the most useful groups for the hydroxyl, amino, carboxyl, carbonyl, and sulfhydryl groups are discussed and the chemistry of the classes of these groups, as well as that of individual groups within the class using structures, equations and references.
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4-Dialkylaminopyridines as Highly Active Acylation Catalysts. [New synthetic method (25)]
TL;DR: The synthesis of 4-dialkylaminopyridines can be accomplished in two steps starting from pyridine as discussed by the authors, and these derivatives are approximately 104 times more active when used as acylation catalysts.
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4-Dialkylaminopyridines: super acylation and alkylation catalysts
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Scandium Trifluoromethanesulfonate as an Extremely Active Lewis Acid Catalyst in Acylation of Alcohols with Acid Anhydrides and Mixed Anhydrides.
TL;DR: The method presented is especially effective for selective macrolactonization of omega-hydroxy carboxylic acids.