galphimine A 、
甲醇 在
platinum(IV) oxide 氢气 作用下,
20.0 ℃
、206.82 kPa
条件下,
反应 0.17h,
以88.6%的产率得到methyl (4aS,4bS,6aS,7S,8R,9R,10S,10aS,10bR,12aS)-4a,9,10-trihydroxy-8-[(1R)-1-hydroxyethyl]-8-(hydroxymethyl)-7-(3-methoxy-3-oxopropyl)-3,6a,10b,12a-tetramethyl-1,4,5,6,7,9,10,10a,11,12-decahydrochrysene-4b-carboxylate