Dimethylsulfoxide–iodine catalysed deprotection of allyl carboxylic esters
作者:Kiran N. Taksande、Sachin S. Sakate、Pradeep D. Lokhande
DOI:10.1016/j.tetlet.2005.11.130
日期:2006.1
A convenient method for deprotection of allyl carboxylic esters has been developed by using the inexpensive and environmentally friendly reagent dimethylsulfoxide-iodine. A variety of carboxylic esters were deprotected to the carboxylic acids. This method is more efficient and operationally simple in comparison to methods using transition metal complexes. (c) 2005 Elsevier Ltd. All rights reserved.
Facile and Chemoselective Cleavage of Allyl Carboxylic Ester Utilizing NaBH<sub>4</sub> in DMSO
作者:Bharati V. Pawar、Pradeep D. Lokhande
DOI:10.1080/00397910902963694
日期:2009.6.23
Abstract A new method for deprotection of allyl carboxylic ester has been observed by using the inexpensive reagent sodium borohydride in dimethyl sulfoxide (DMSO). Aliphatic and aromatic allyl carboxylic ester undergo deprotection smoothly. The allyl ester group can selectively deprotect better than phenol.