(2E,4E)-(R)-7-[(4AR,5S,8AS)-5-(tert-butyldimethyl-silanyloxy)-8a-methyl-3,4,4a,5,6,7,8,8a-octahydro-naphthalen-1-yl]-octa-2,4-dienoic acid methyl ester 在
CeCl
3 甲基锂 作用下,
生成
(3E,5E)-(R)-8-[(4aR,5S,8aS)-5-(tert-butyldimethyl-silanyloxy)-8a-methyl-3,4,4a,5,6,7,8,8a octahydro-naphthalen-1-yl]-2-methyl-nona-3,5-dien-2-ol