Quantitative Acetylation of Amines by Means of Acetyl Chloride and PDF

3 déc. 2013 Pyridine is a popular catalyst for the acetylation of alcohols using acetic anhydride but is toxic

Catalysis by 4-dialkylaminopyridines

The treatment of substrates such as alcohols phenols and amines with acetic anhydride (or acetyl chloride) in the presence of pyridine has provided a

Acetylation of Alcohols Amines

Thiols under Catalyst and

Acetylpyridinium ion intermediate in pyridine-catalyzed hydrolysis

9 M) but increases the rate of reaction of pyridine with acetic anhydride. other pyridine-catalyzed acylation reactions presumably.

An Efficient Acetylation of Primary and Secondary Aliphatic Alcohols

Aliphatic Alcohols with Acetic Anhydride in the catalysed acetylation occurs very fast and yields are higher than with acetylation in pyridine. Table 1.

Dimethyl sulfoxide-acid anhydride mixtures for the oxidation of

Abstract: Oxidation of alcohols with dimethyl sulfoxide and acetic anhydride is reported. with acetic anhydride-pyridine gave in 68% yield

Acetylation of Alcohols Amines

Thiols under Catalyst and

THE ACTION OF ACETIC ANHYDRIDE AND PYRIDINE ON AMINO

A uniform procedure was then adopted for preparing the acetyl- aminoketones. It consists of heating the amino acid (0.1 mol) with a mixture of equal weights of

Rapid Determination of Hydroxyl by Means of Acetyl Chloride and

compounds are probably those based on the use of acetic anhydride with or without the addition of pyridine.1'23