反应条件
1: 74 percent / BF3*OEt2 / CH2Cl2 / 0.5 h / -5 °C 2: 1.) Zn(OAc)2, MeOH, 2.) TsOH / 1.) sealed tube, 70 deg C, 12 h, 2.) MeCN, 0.5 h View Scheme
参考文献
Hashimoto, Shun-Ichi; Honda, Takeshi; Ikegami, Shiro
Tetrahedron Letters, 1991 , vol. 32, # 13 p. 1653 - 1654
