(2S,3R,4R)-3-(tert-butyldimethylsilanyloxy)-4-{(4E,6E,12E,14E)-(2S,3S,10S,11S)-10-[(1R,2R,3S)-2-(tert-butyldimethylsilanyloxy)-1,3-dimethyl-4-oxobutyl]-3,11-dimethyl-8,16-dioxo-1,9-dioxacyclohexadeca-4,6,12,14-tetraen-2-yl}-2-methylpentanal 、
(((E,1S,2R)-2-ethyl-4-iodo-1-methyl-but-3-enyl)oxy)-triisopropyl-silane 在
叔丁基锂 作用下,
以
乙醚 、
正戊烷 为溶剂,
反应 1.17h,
以89%的产率得到(3E,5E,11E,13E)-(7S,8S,15S,16S)-8,16-bis-[(E)-(1R,2S,3R,7S,8R)-2-(tert-butyl-dimethyl-silanyloxy)-7-ethyl-4-hydroxy-1,3-dimethyl-8-triisopropylsilanyloxy-non-5-enyl]-7,15-dimethyl-1,9-dioxa-cyclohexadeca-3,5,11,13-tetraene-2,10-dione