反应条件
1: 75 percent / methanol / 12 h / 20 °C 2: 2.) EtONa / 1.) THF, -10 deg C, 1 h, 2.) EtOH, room temp., 2 h View Scheme
参考文献
Alberola, Angel; Ortega, Alfonso Gonzalez; Sadaba, M. Luisa; Sanudo, Carmen
Tetrahedron, 1999 , vol. 55, # 21 p. 6555 - 6566