Rice Husk Ash: A New, Cheap, Efficient, and Reusable Reagent for the Protection of Alcohols, Phenols, Amines, and Thiols

F Shirini, S Akbari-Dadamahaleh…

Index: Shirini; Akbari-Dadamahaleh, Somayeh; Mohammad-Khah, Ali Phosphorus, Sulfur and Silicon and the Related Elements, 2014 , vol. 189, # 5 p. 577 - 586

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Citation Number: 3

Abstract

A mild, efficient, and eco-friendly protocol for the protection of alcohols and phenols as trimethylsilyl ethers has been developed using rice husk ash as a reagent. This reagent is also able to catalyze the acetylation of alcohols, phenols, thiols, and amines with acetic anhydride. All reactions were performed under mild conditions in good to high yields. ... [Supplementary materials are available for this article. Go to the publisher's online edition of Phosphorus, Sulfur, and Silicon and ...