反应条件
1: 1.) copper (I) iodide / 1.) ether, 0 deg C, 2.) 0 deg C, 30 min
2: 83.7 percent / Mg / tetrahydrofuran / 0.5 h / 0 °C
3: 1.) (CH3)2SO4, 2.) 10percent K2CO3 / 1.) ethyl acetate, reflux, 2 h, 2.) benzene, 80 deg C, 2 h
4: p-TsOH / benzene / 3 h / Heating
View Scheme
参考文献
Hayakawa, Satoshi; Michiue, Tohru; Okamoto, Masao; Hatakeyama, Shoko; Ohta, Shunsaku
Heterocycles, 1988 , vol. 27, # 2 p. 457 - 474
