tert-butyl-[(S)-[(1R)-cyclohexa-2,4-dien-1-yl]-phenylmethoxy]-diphenylsilane 、
2-亚硝基吡啶 在
tetrakis(actonitrile)copper(I) hexafluorophosphate 、
四丁基氟化铵 作用下,
以
二氯甲烷 为溶剂,
生成
(1S,4S,8S)-8-[(R)-α-hydroxybenzyl]-3-(pyridin-2-yl)-2-oxa-3-azabicyclo[2.2.2]oct-5-ene 、 (1S,4S,7R)-7-[(R)-α-hydroxybenzyl]-3-(pyridin-2-yl)-2-oxa-3-azabicyclo[2.2.2]oct-5-ene 、
(1R,4R,7S)-7-[(S)-α-hydroxybenzyl]-3-(pyridin-2-yl)-2-oxa-3-azabicyclo[2.2.2]oct-5-ene