反应条件
1: 1.) NaBH4, SnCl4*2Et2O, 2.) MeOH / 1.) DME, from -78 deg C to 0 deg C, during 2-3 h, 2.) reflux, 1.5 h 2: 40 percent / Me2SO, (COCl)2, Et3N / 1 h / allowed to warm from -78 deg C; other reagent, reaction temperature and time View Scheme
参考文献
Chemical and Pharmaceutical Bulletin, , vol. 30, # 6 p. 2068 - 2076
