Journal
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
Volume 2005, Issue 13, Pages 2782-2787Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.200500066
Keywords
acylations; alcohols; phenols; amines; thiols; acetonyltriphenylphosphonium bromide
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A wide variety of alcohols, phenols, amines and thiols may easily be converted into the corresponding acetate derivatives by treatment with acetic anhydride (1.5-2.0 equivalents) in the presence of acetonyltriphenylphosphonium bromide (ATPB; 5 mol %) in good yields at room temperature. With the same precatalyst, both aliphatic and aromatic aldehydes can also be transformed into the corresponding gemdiacetates under reflux conditions. ((c) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2005).
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