反应条件
1: 1.) phosphorus oxychloride; 2.) dimethylacetamide / 1.) MeOH, 45-55 deg C; 2.) CH2Cl2, 0-5 deg C, 45 min 2: 67.3 percent / 1.5 h / 20 °C 3: 72.6 percent / phosphorus trichloride / CH2Cl2; dimethylformamide / 1.5 h / 21 °C 4: 1.) Zn, ZnCl2; 2.) Deacidite FF ion-exchange resin / 1.) formic acid, 22 deg C, 2 h View Scheme
参考文献
Cowley; Humber; Laundon; et al.
Tetrahedron, 1983 , vol. 39, # 3 p. 461 - 467
