羟可待酮 、
(E)-(5R,9R,13S,14S)-(-)-4,5α-Epoxy-14-hydroxy-3-methoxy-17-methyl-7-(2-nitrobenzyliden)-morphinan-6-on 在
ammonium acetate 、
溶剂黄146 作用下,
反应 0.5h,
以27%的产率得到(6R,6aS,9aS,10R,15bS,16R,18R,18aS)-(-)-1,18;15,16-Diepoxy-5,6,6a,7,8,9,9a,10,11,17-decahydro-2,14-dimethoxy-21,24-dimethyl-8-(2-nitrophenyl)-6,18a;10,15b-bis(iminoethano)-(16H,18H)-dinaphth<2,1-b:1',2'-i>acridin-6a,9a-diol