(2E,4E,6E,8E,10E,12Z)-13-{[(S)-2-(tert-Butyl-dimethyl-silanyloxy)-1-methoxycarbonyl-ethyl]-methyl-carbamoyl}-12-hydroxy-trideca-2,4,6,8,10,12-hexaenoic acid tert-butyl ester 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 0.03h,
以100%的产率得到(2E,4E,6E,8E,10E)-12-[(S)-5-(tert-Butyl-dimethyl-silanyloxymethyl)-1-methyl-2,4-dioxo-pyrrolidin-(3Z)-ylidene]-12-hydroxy-dodeca-2,4,6,8,10-pentaenoic acid tert-butyl ester