benzyl (3-{5-[1-(cyclopropylamino)ethyl]-2-methoxyphenyl}prop-2-yn-1-yl)carbamate 、
(2R)-2,4-吗啉二羧酸 4-叔丁酯 以to give tert-butyl (2R)-2-{[{1-[3-(3-[(benzyloxy)carbonyl]amino prop-1-yn-1-yl)-4-methoxyphenyl]ethyl}(cyclopropyl)amino]carbonyl}morpholine-4-carboxylate [Ex(295-3)] as a colorless solid的产率得到tert-butyl (2R)-2-{[{1-[3-(3-{[(benzyloxy)carbonyl]amino}prop-1-yn-1-yl)-4-methoxyphenyl]ethyl}(cyclopropyl)amino]carbonyl}morpholin-4-carboxylate