A simple and mild method for the removal of the NIm-tosyl protecting group

JM Van der Eijk, RJM Nolte…

Index: Eijk, Jan M. van der; Nolte, Roeland J.M.; Zwikker, Jan W. Journal of Organic Chemistry, 1980 , vol. 45, # 3 p. 547 - 548

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Citation Number: 24

Abstract

Notes plate) by using chloroform-methanol (9: 1, v/v) as the eluent. Compounds la and lb were prepared from imidazole and N*-benzoyl-L-histidine methyl ester,'respectively. The synthesis of compounds IC and le has been published in an earlier paper. 8 That of compounds Id and If will be described elsewhere! A typical procedure for the introduction and removal of the N"-tosyl group will be given.