反应条件
1: 1.) lithium amide / 1.) ammonia, 2 h, 2.) THF, -33 deg C, 6 h 2: 62 percent / triphenyl phosphinem, carbon tetrachloride / 7 h / Heating 3: 1.) CuI / 1.) ether, room temperature, 1 h, 2.) room temperature, 5 h 4: 0.280 g / sodium, liq. ammonia / 0.5 h 5: 78 percent / PTSA / methanol / 6 h / Ambient temperature 6: 80 percent / pyridinium fluorochromate / CH2Cl2 / 0.5 h View Scheme
参考文献
Yadav, J S; Deshpande, Prasad K; Reddy, E Rajarathnam
Synthetic Communications, 1989 , vol. 19, # 1, 2 p. 125 - 134