苯甲酰氯 、
dehydrothyrsiferol 以
吡啶 为溶剂,
反应 16.0h,
以12 mg的产率得到Benzoic acid (R)-4-[(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]-1-[(2R,5R)-5-(1-hydroxy-1-methyl-ethyl)-2-methyl-tetrahydro-furan-2-yl]-pent-4-enyl ester