羟可待酮 、
(E)-(5R,9R,13S,14S)-(-)-4,5α-Epoxy-14-hydroxy-3-methoxy-17-methyl-7-(3-nitrobenzyliden)-morphinan-6-on 在
sodium methylate 作用下,
以
甲醇 为溶剂,
反应 2.0h,
以54%的产率得到(6R,6aS,8S,8aR,9aS,10R,15bS,16R,16aR,18R,18aS)-(-)-1,18;15,16-Diepoxy-5,6,6a,7,8a,9,9a,10,11,16a-decahydro-6,18a;10,15b-bis-(iminoethano)-2,14-dimethoxy-21,24-dimethyl-8-(3-nitrophenyl)-(8H,16H,18H)-dinaphtho<2,1-b:1',2'-i>xanthen-6a,9a,16a-triol