Selective monoprotection of 1,4,7,10-tetraazacyclododecane via direct reaction with 4-nitrophenyl active esters
作者:Anna M. Skwierawska
DOI:10.1016/j.tetlet.2008.08.059
日期:2008.10
A simple, one-pot preparation of monoprotected 1,4,7,10-tetraazacyclododecanes via an efficient acylation reaction with 4-nitrophenyl active esters has been developed. (c) 2008 Elsevier Ltd. All rights reserved.