反应条件
1: dicyclohexylcarbodiimide (DCC) / ethyl acetate; dimethylformamide / 1.) -5 deg C, overnight, 2.) RT, 4 h 2: 71 percent / anisole, TFA / CH2Cl2 View Scheme
参考文献
Carpino, Louis A.; Chao, Hann Guang; Tien, Jien-Heh
Journal of Organic Chemistry, 1989 , vol. 54, # 18 p. 4302 - 4313
