反应条件
1: 90 percent / 1 h / Heating 2: 60 percent / Et3N, phosgene / CHCl3; toluene / -10 - 0 °C 3: 97 percent / 20 h / 0 deg C, 2 h, then RT, 20 h View Scheme
参考文献
Bossio, Ricardo; Marcaccini, Stefano; Pepino, Roberto; Torroba, Tomas
Heterocycles, 1996 , vol. 43, # 2 p. 471 - 474