2-(N-甲基苄基氨基)乙基 3-氨基丁-2-烯酸酯 、
(Z)-4-Benzo[1,2,5]oxadiazol-4-yl-3-(5,5-dimethyl-2-oxo-2λ5-[1,3,2]dioxaphosphinan-2-yl)-but-3-en-2-one 以
甲苯 为溶剂,
以33%的产率得到4-Benzo[1,2,5]oxadiazol-4-yl-5-(5,5-dimethyl-2-oxo-2λ
5-[1,3,2]dioxaphosphinan-2-yl)-2,6-dimethyl-1,4-dihydro-pyridine-3-carboxylic acid 2-(benzyl-methyl-amino)-ethyl ester