dehydrothyrsiferol 在
m-chloroperbenzoic acid 、
sodium acetate 作用下,
以
二氯甲烷 为溶剂,
反应 12.0h,
生成 (R)-3-{(S)-2-[(2R,4aS,6S,8aR)-6-((2R,5S)-5-Bromo-2,6,6-trimethyl-tetrahydro-pyran-2-yl)-8a-methyl-octahydro-pyrano[3,2-b]pyran-2-yl]-oxiranyl}-1-[(2R,5R)-5-(1-hydroxy-1-methyl-ethyl)-2-methyl-tetrahydro-furan-2-yl]-propan-1-ol 、
(R)-3-{(R)-2-[(2R,4aS,6S,8aR)-6-((2R,5S)-5-Bromo-2,6,6-trimethyl-tetrahydro-pyran-2-yl)-8a-methyl-octahydro-pyrano[3,2-b]pyran-2-yl]-oxiranyl}-1-[(2R,5R)-5-(1-hydroxy-1-methyl-ethyl)-2-methyl-tetrahydro-furan-2-yl]-propan-1-ol