An Effective Combination of Triphenylphosphine and Benzyl Azide for O- and N-Alkylations of Carboxylic Acids and Imides with Alcohols

Torii, S.; Okumoto, H.; Fujikawa, M.; Rashid, M. A. Chem. Express 1992, 7, 933.

A combination of triphenylphosphine and benzyl azide effected O-alkylation of carboxylic acids and N-alkylation of imides with primary alcohlos in high yields under neutral conditions.