(4R,4aS,7R,7aR,12bS)-3-(cyclopropylmethyl)-4a,7-dihydroxy-2,3,4,4a,5,6,7,7a-octahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinoline-9-carbonitrile 在
氢氧化钾 、
水 作用下,
以
叔丁醇 为溶剂,
生成
(1S,5R,13R,14R,17S)-4-(cyclopropylmethyl)-14,17-dihydroxy-12-oxa-4-azapentacyclo[9.6.1.0^{1,13}.0^{5,17}.0^{7,18}]octadeca-7,9,11(18)-triene-10-carboxamide