methyl 2-oxo-7α,10aβ-dimethyl-8β-methoxy-4α-(1-methylethyl)-1-(phenylthio)-1,4,5,6,6aα,7,8,9,10,10a-decahydro-2H-naphtho<2,1-c>pyran-7β-carboxylate 在
sodium periodate 作用下,
以
甲醇 为溶剂,
反应 6.0h,
以13%的产率得到methyl 2-oxo-7α,10aβ-dimethyl-8β-methoxy-4α-(1-methylethyl)-4,6,6aα,7,8,9,10,10a-octahydro-2H-naphtho<2,1-c>pyran-7β-carboxylate