(E)-3-(2-formyl-phenylsulfanyl)-3-phenyl-acrylic acid methyl ester 在
1(R)-aminoindan-2(S)-ol-derived C
6F
5-1,2,4-triazolium salt
potassium tert-butylate 作用下,
以
甲苯 为溶剂,
反应 24.0h,
生成 (S)-(3-oxo-2-phenyl-2,3-dihydro-benzo[b]thiophen-2-yl)-acetic acid methyl ester 、 (R)-(3-oxo-2-phenyl-2,3-dihydro-benzo[b]thiophen-2-yl)-acetic acid methyl ester