3(S)-hydroxy-2(S)-methoxy-5-methyl-3(S)-phenylmethoxycarbonyl hexanoic 1,1-dimethyl-ethyl ester acid 在
palladium 10% on activated carbon
氢气 作用下,
以
甲醇 为溶剂,
反应 2.0h,
以93%的产率得到3(S)-hydroxy-3(S)-hydroxycarbonyl-2(S)-methoxy-5-methylhexanoic 1,1-dimethylethyl ester acid