(1S,5R,6S,7R)-4-oxo-3-(2-phenylethyl)-10-oxa-3-azatricyclo[5.2.1.01,5]dec-8-ene-6-carboxylic acid 、
(1R)-(+)-Camphor hydrazone 在
氯甲酸乙酯 、
三乙胺 作用下,
以
氯仿 为溶剂,
反应 4.25h,
生成 (3aR,6S,7R,7aS)-1-oxo-2-(2-phenylethyl)-N'-[(1R,2E,4R)-1,7,7-trimethylbicyclo[2.2.1]hept-2-ylidene]-1,2,3,6,7,7a-hexahydro-3a,6-epoxyisoindole-7-carbohydrazide 、 (3aS,6R,7S,7aR)-1-oxo-2-(2-phenylethyl)-N'-[(1R,2E,4R)-1,7,7-trimethylbicyclo[2.2.1]hept-2-ylidene]-1,2,3,6,7,7ahexahydro-3a,6-epoxyisoindole-7-carbohydrazide