Selective N-protection of medium-ring triamines

GR Weisman, DJ Vachon, VB Johnson…

Index: Weisman, Gary R.; Vachon, David J.; Johnson, Van B.; Gronbeck, Dana A. Journal of the Chemical Society, Chemical Communications, 1987 , p. 886 - 887

Full Text: HTML

Citation Number: 64

Abstract

Efficient schemes for selective N-protection of 1,4,7-triazacyclononane and I ,5,9-triazacyclododecane and for synthesis of related bis-coronands are based upon the synthetic intermediacy of tricyclic orthoamides. ... Interest in azacoronands (medium and macrocyclic poly- amines) bearing pendant arms is currently high, because of the possibilities these systems offer for systematic variation of the type of ligand donor group and geometry of metal-ion complexation. Consequently, ...