(2,5-dimethoxystyryl)trimethylstannane 、
(4S,7S)-4-(tert-butyl-diphenyl-silanyloxy)-7-methyl-7-vinyl-4,5,6,7-tetrahydro-isobenzofuran-1-carbaldehyde 在
正丁基锂 作用下,
以
四氢呋喃 为溶剂,
反应 0.08h,
以92%的产率得到(E)-1-[(4S,7S)-4-(tert-butyl-diphenyl-silanyloxy)-7-methyl-7-vinyl-4,5,6,7-tetrahydro-isobenzofuran-1-yl]-3-(2,5-dimethoxy-phenyl)-prop-2-en-1-ol