(3R,4R,5R,6R,7S)-7-(tert-butyldimethylsiloxy)-6-(4-methoxybenzyloxy)-3,5-dimethyl-3,4-epoxy-1-octene 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
反应 16.0h,
生成
(2R,3S,4S,5R,6S)-3,4,5,6-tetrahydro-5-(4-methoxybenzyloxy)-2,4,6-trimethyl-2-vinyl-2H-pyran-3-ol 、
、 (3R,4R,5R,6R,7S)-7-hydroxy-6-(4-methoxybenzyloxy)-3,5-dimethyl-3,4-epoxy-1-octene