3-benzyloxy-6-{[1,3-bis(2-benzyloxy-1-benzyloxymethylethoxy)prop-2-yl]carbamoyl}-4-nitrophenylcarbonyl-2-oxo-1,2-dihydropyridine-4-carboxylic acid 、
4-amino-5-[bis(2-aminoethyl)amino]pentanecarboxylic acid 以
二氯甲烷 为溶剂,
反应 72.0h,
以89%的产率得到5-(bis-{2-[(3-benzyloxy-6-{[1,3-bis-(2-benzyloxy-1-benzyloxymethyl-ethoxy)-prop-2-yl]-carbamoyl}-2-oxo-1,2-dihydropyridine-4-carbonyl)-amino]ethyl}amino)-4-[(3-benzyloxy-6-{[1,3-bis-(2-benzyloxy-1-benzyloxymethyl-ethoxy)-prop-2-yl]-carbamoyl}-2-oxo-1,2-dihydropyridine-4-carbonyl)-amino]-pentane carboxylic acid