反应条件
1: 65 percent / 4 h / Heating 2: 60 percent / nitromethane / 12 h / 60 - 70 °C 3: 40 percent / acetonitrile / RT, 2 h, then reflux, 8 h 4: HCl gas / diethyl ether / 0.17 h 5: 50 percent / acetonitrile / RT, 2 h, then reflux, 6 h View Scheme
参考文献
Singh, Harjit; Sarin, Rakesh
Tetrahedron, 1986 , vol. 42, # 5 p. 1449 - 1460