(Z)-N-(4-methoxybenzylidene)diphenylmethylamine N-oxide 、
2-甲基丙烯醛 在
(S)-6,6-I-2-BINOL-based bis-titanium oxide reagent 作用下,
以
二氯甲烷 为溶剂,
反应 24.0h,
生成 (3R,4R)-2-diphenylmethyl-4-formyl-3-(4-methoxyphenyl)-4-methylisoxazolidine 、 (3S,4S)-2-diphenylmethyl-4-formyl-3-(4-methoxyphenyl)-4-methylisoxazolidine