3-benzyloxy-4,5α-epoxy-7α-(ethanon-2-yl)-6-methoxy-17-methyl-6α,14α-ethenomorphinan                                                                                                                                                              在
                                                                                                                                                                                 
1,8-二氮杂双环[5.4.0]十一碳-7-烯                                                                                                                                  作用下,
                                                                                                                                                                                        反应 72.0h,
                                                                                                                以21%的产率得到1-[(1R,2S,6R,14R,15R,16R)-15-methoxy-5-methyl-11-phenylmethoxy-13-oxa-5-azahexacyclo[13.2.2.12,8.01,6.02,14.012,20]icosa-8(20),9,11,18-tetraen-16-yl]ethanone