The first Lewis acid catalyzed protection of alcohols as Boc derivatives is described. Zinc acetate is a very efficient catalyst for this transformation and the reaction can be applied to primary, secondary and aromatic alcohols, providing the first example of a generally applicable method.
Facile<i>tert</i>‐Butoxycarbonylation of Alcohols, Phenols, and Amines using BiCl<sub>3</sub>as a Mild and Efficient Catalyst
作者:N. Suryakiran、P. Prabhakar、Y. Venkateswarlu
DOI:10.1080/00397910701749617
日期:2008.1
Facile tert-butoxycarbonylation of alcohols, phenols, and amines is described by treatment of alcohols, phenols, and amines with di-tert-butyl dicarbonate in the presence of a catalytic amount of bismuth(III) chloride, a mild and efficient catalyst, at room temperature in excellent yields.