(1S,2S,6R,14R,15R,16S,20R)-18-[2-(4-hydroxyphenyl)ethyl]-11,15-dimethoxy-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
lithium aluminium tetrahydride 作用下,
以
四氢呋喃 为溶剂,
以92%的产率得到4-[2-[(1S,2S,6R,14R,15R,16R,20R)-11,15-dimethoxy-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-18-yl]ethyl]phenol