ethyl 3-(5-(allylamino)-4-methyl-6-oxo-2-phenyl-3,6-dihydropyridin-1(2H)-yl)propanoate 、
N-[(phenylmethoxy)carbonyl]-β-alanine chloride 在
吡啶 作用下,
以
二氯甲烷 为溶剂,
以73%的产率得到ethyl 3-(5-(N-allyl-3-(((benzyloxy)carbonyl)amino)propanamido)-4-methyl-6-oxo-2-phenyl-3,6-dihydropyridin-1(2H)-yl)propanoate