(4bS,8aS,9R)-11-(cyclobutylmethyl)-8a-hydroxy-6,7,8,8a,9,10-hexahydro-5H-9,4b-(epiminoethano)phenanthrene-3-carbonitrile 在
氢氧化钾 、
水 作用下,
以
叔丁醇 为溶剂,
生成
(1S,9R,10S)-17-(cyclobutylmethyl)-10-hydroxy-17-azatetracyclo[7.5.3.0^{1,10}.0^{2,7}]heptadeca-2,4,6-triene-4-carboxamide