(4S,7R,8S,9S,13Z,16S)-chloroformic acid-7-allyl-4-(tert-butyl-dimethyl-silanyloxy)-5,5,9,13-tetramethyl-16-(2-methyl-benzothiazol-5-yl)-2,6-dioxo-oxacyclohexadec-13-en-8-yl ester 、
4-马来酰亚胺基苯酚 在
三乙胺 作用下,
以
乙酸乙酯 为溶剂,
反应 16.0h,
以79%的产率得到(4S,7R,8S,9S,13Z,16S)-carbonic acid 7-allyl-4-(tert-butyl-dimethyl-silanyloxy)-5,5,9,13-tetramethyl-16-(2-methyl-benzothiazol-5-yl)-2,6-dioxo-oxacyclohexadec-13-en-8-yl ester 4-(2,5-dioxo-2,5-dihydro-pyrrol-1-yl)-phenyl ester