4-Phenylbenzylamine may be used in the synthesis of: • squaric acid asymmetric diamides of glycopeptide antibiotics • asymmetric diamides of daunomycin and carminomycin • N-(biphenyl-4-ylmethyl)-1-hydroxy-6-thioxo-1,6-dihydropyridine-2-carboxamide 4-Phenylbenzylamine may also be used in the synthesis of Gd3+ chelates of DOTA(1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetate) type ligands. 4-Phenylbenzylamine may be used in the synthesis of: • squaric acid asymmetric diamides of glycopeptide antibiotics • asymmetric diamides of daunomycin and carminomycin • N-(biphenyl-4-ylmethyl)-1-hydroxy-6-thioxo-1,6-dihydropyridine-2-carboxamide 4-Phenylbenzylamine may also be used in the synthesis of Gd3+ chelates of DOTA(1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetate) type ligands.