A new synthetic route to 2-(p-nitrobenzyl)-1,4,7,10-tetraazacyclododecane
作者:Martha L Gilbert、Gilbert M Brown、Jeffrey E Elbert、Richard A Sachleben
DOI:10.1016/s0040-4039(00)73873-1
日期:1993.8
A new, general synthetic method for the title compound has been developed, based on the nitration of 2-benzyl-1,4,7,10-tetraazacyclododecane (64 % yield), which provides higher yields and easier purification for scale-up than previously reported methods.