苯乙烯 、 diethyl 1,2,5-oxadiazole-3,4-dicarboxylate 2-oxide 以
xylene 为溶剂,
反应 24.0h,
生成 (2R,5R)-2,5-Diphenyl-tetrahydro-isoxazolo[2,3-b]isoxazole-3a-carboxylic acid ethyl ester 、
(2R,3aS,5S)-2,5-Diphenyl-tetrahydro-isoxazolo[2,3-b]isoxazole-3a-carboxylic acid ethyl ester