(4S,5S)-5-[((1R,2R)-2-Benzo[1,3]dioxol-5-yl-4,4-diethoxy-1-methyl-butyl)-naphthalen-2-ylmethyl-carbamoyl]-[1,3]dioxolane-2,2,4-tricarboxylic acid diethyl ester methyl ester 在
盐酸 、 lithium hydroxide 、 sodium hydride 作用下,
以
四氢呋喃 为溶剂,
生成 (4S,5S)-5-[((E)-(1R,2R)-2-Benzo[1,3]dioxol-5-yl-5-benzooxazol-2-yl-1-methyl-pent-4-enyl)-naphthalen-2-ylmethyl-carbamoyl]-[1,3]dioxolane-2,2,4-tricarboxylic acid