反应条件
1: 42 percent / tetrahydrofuran; dimethylsulfoxide / 1.) RT, 6 h, 2.) 45 deg C, 1 h 2: 82 percent / p-TsOH / methanol / 4 h / Ambient temperature 3: 83 percent / PBr3, pyridine / diethyl ether View Scheme
参考文献
Vig, O. P.; Sharma, M. L.; Kumari, Sarla; Rani, Veena
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1985 , vol. 24, p. 771 - 772
