Metal Complexes with Macrocyclic Ligands, XVII. Synthesis of Two Key Intermediates for the Preparation of Mono-N-functionalized Tetraazamacrocycles and Their Metal Complexes

Article abstract of DOI:10.1002/hlca.19830660319

With a modification of the cyclization procedure of Richman and Atkins <8> the two macrocycles 1,4,7-tritosyl-11-benzyl-1,4,7,11-tetraazacyclotetradecane (8) and 1,7,11-tritosyl-4-trityl-1,4,7,11-tetraazacyclotetradecane (15) were prepared.After selective