上游原料
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(2R, 3S, 22R, 23E)-22-hydroxy-2,3-isopropylidenedioxy-24-methyl-B-homo-7-oxa-5α-cholest-23-en-6-one
CAS号：86678-40-2
英文名：(2R, 3S, 22R, 23E)-22-hydroxy-2,3-isopropylidenedioxy-24-methyl-B-homo-7-oxa-5α-cholest-23-en-6-one
分子式：C31H50O5
分子量：502.726
上游原料
(2R, 3S, 24S, 22E)-24-ethyl-2,3-isopropylidenedioxy-6-trimethylsilyloxy-5α-cholesta-6,22-diene
(2R, 3S, 24S, 22E)-24-ethyl-2,3-isopropylidenedioxy-7-oxa-B-homo-5α-cholest-22-en-6-one
(2R, 3S, 6S, 7S, 24S, 22E)-6,7-epoxy-24-ethyl-7-hydroxy-2,3-isopropylidenedioxy-6-trimethylsilyloxy-5α-cholest-22-ene
