(1S,2S,6R,14R,15R,16S,20R)-11,15-dimethoxy-18-[(2-methoxyphenyl)methyl]-5-methyl-13-oxa-5,18-diazaheptacyclo[13.5.2.12,8.01,6.02,14.016,20.012,23]tricosa-8(23),9,11,21-tetraene-17,19-dione 在
sodium tetrahydroborate 作用下,
以
四氢呋喃 为溶剂,
反应 4.0h,
以73%的产率得到(1S,2S,6R,14R,15R,16S,17R,20R)-17-hydroxy-11,15-dimethoxy-18-[(2-methoxyphenyl)methyl]-5-methyl-13-oxa-5,18-diazaheptacyclo[13.5.2.12,8.01,6.02,14.016,20.012,23]tricosa-8(23),9,11,21-tetraen-19-one