反应条件
1: 1.) EtMgBr, Mg / 1.) THF, 50 deg C, 6 h, 2.) THF, reflux, 2 h 2: 74 percent / PBr3, pyridine / diethyl ether / 2 h / Heating 3: 1.) Mg, 2.) Li2CuCl4 / 1.) THF, -10 deg, 30 min, 2.) THF, -10 deg C, 3 h 4: 61 percent / pyridinium p-toluenosulphonate / methanol / 6 h / 55 °C 5: 90 percent / H2, quinoline / Lindlar's catalyst / hexane 6: 80 percent / pyridine / CH2Cl2 / 5 h / Ambient temperature View Scheme
参考文献
Trehan, I R; Kad, G L; Singh, Vasundhara; Vig, Rakesh
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1991 , vol. 30, # 6 p. 563 - 566
