3-(phenylthio)propenal 、
N-Acetyl-(1S,5R,7R)-10,10-dimethyl-3-oxo-2-aza-4-oxatricyclo<5.2.1.01,5>decane 在
四氯化钛 、
N,N-二异丙基乙胺 作用下,
生成 N-<(S)-3-hydroxy-5-phenylthio-4-pentenoyl>-(1S,5R,7R)-10,10-dimethyl-3-oxo-2-aza-4-oxatricyclo<5.2.1.0
1,5>decane 、 N-<(R)-3-hydroxy-5-phenylthio-4-pentenoyl>-(1S,5R,7R)-10,10-dimethyl-3-oxo-2-aza-4-oxatricyclo<5.2.1.0
1,5>decane