1-(4-bromo-2-phenylmethoxyphenyl)-N-phenylmethanimine 、
2-[(2R,5S,6R)-2,4,5-trimethyl-3-oxo-6-phenylmorpholin-2-yl]sulfanylacetic acid 在
三光气 作用下,
生成 (2R,5S,6R)-2-[(2R,3S)-2-(4-bromo-2-phenylmethoxyphenyl)-4-oxo-1-phenylazetidin-3-yl]sulfanyl-2,4,5-trimethyl-6-phenylmorpholin-3-one