(1SR,5RS,6SR,7RS)-(+/-)-6-<(1,1-dimethylethyl)diphenylsilyloxymethyl>-7-(tetrahydro-2H-pyran-2-yloxy)-2-oxabicyclo<3.3.0>octane-3-one 在
正丁基锂 、
二异丁基氢化铝 作用下,
以
甲苯 为溶剂,
反应 19.0h,
生成
(1S,2R,3S,4R)-3-(tert-Butyl-diphenyl-silanyloxymethyl)-2-(2-[1,3]dithian-2-ylidene-ethyl)-4-(tetrahydro-pyran-2-yloxy)-cyclopentanol