Chloro- or bromo-trimethylsilane induced rapid and quantitative acid-ester conversion for steroid based alcohols with various carboxylic acids under solvent free conditions
Steroid based higher alcohols are rapidly esterified in quantitative yield with a number of carboxylic acids in the presence of TMSCl or TMSBr generally under solvent free conditions.
Ceric ammonium nitrate (CAN) - A useful catalyst for the rapid and high-yield esterification of carboxylic acids and alcohols with special reference to steroid and other multi-functional natural products
Ceric ammonium nitrate (CAN) acts as a versatile catalyst for the esterification of carboxylic acids and alcohols, including steroids and other multi-functional natural products, in excellent yields under mild and convenient reaction conditions.
Goswami,Chowdhury
p. 955 - 957
(2007/10/03)
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