Highly regioselective synthesis of 1,7-diprotected 1,4,7,10-tetraazacyclododecane derivatives
作者:Pier Lucio Anelli、Marcella Murru、Fulvio Uggeri、Mario Virtuani
DOI:10.1039/c39910001317
日期:——
Reaction of dimethylformamicle diethyl acetal with monoalkylated 1,4,7,10-tetraazacyclododecane derivatives 3, followed by hydrolysis of the tricyclic intermediates 4, selectively affords 1,7-disubstituted tetraazamacrocycles 5.
二甲基甲酰胺二乙缩醛与单烷基化的 1,4,7,10-四氮杂环十二烷衍生物 3 反应,然后水解三环中间体 4,选择性地生成 1,7-二取代的四氮杂环 5。