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Convenient and Selective Acetylations of Phenols,Amines and Alcohols
Authors:Vandana Srivastava  Amita Tandon  Suprabhat Ray
Affiliation:Medicinal Chemistry Division , Central Drug Research Institute , Lucknow, 226001, India
Abstract:Two convenient methods have been developed for selective acetylation. In method 1, phenols and amines are selectively acetylated in the presence of alcohols by acetic anhydride in a biphasic aqueous NaOH-isopropanol mixture. In method 2, alcoholic group is acetylated in the presence of amino functions using a strong acidic resin.
Keywords:5β-steroids  boron rearrangement  synthesis  molecular mechanics.
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