2-氨基苯并咪唑 、
(5S,8R,9S,10S,13S,14S,17R)-17-Hydroxy-2-[1-hydroxy-meth-(Z)-ylidene]-10,13-dimethyl-17-prop-2-ynyl-hexadecahydro-cyclopenta[a]phenanthren-3-one 以
乙醇 为溶剂,
以51%的产率得到(3S,4S,7S,8R,11S,12R,15S)-3,7-dimethyl-8-prop-2-ynyl-18,20,27-triazaheptacyclo[15.11.0.03,15.04,12.07,11.019,27.021,26]octacosa-1(28),17,19,21,23,25-hexaen-8-ol