1: (E)-2-(1H-1,2,3-benzotriazol-1-yl)-1-phenylethenyl trifluoromethanesulfonate With sodium methylate in acetonitrile T=20 - 65°C; Substitution; Elimination; 2: methanol With hydrogenchloride Esterification; Further stages.;
参考文献
Katritzky, Alan R.; Zhang, Suoming; Fang, Yunfeng
Organic Letters, 2000 , vol. 2, # 24 p. 3789 - 3791