反应条件
1: 1.) diethoxytriphenylphosphorane; 2.) DMAP / 1.) toluene, 20-40 degC, 24 h; 2.) MeCN 2: 50 percent / CuBr*Me2S / toluene / 4 h / -50 °C 3: trifluoroacetic acid View Scheme
参考文献
Baldwin, Jack E.; Farthing, Christopher N.; Russell, Andrew T.; Schofield, Christopher J.; Spivey, Alan C.
Tetrahedron Letters, 1996 , vol. 37, # 21 p. 3761 - 3764
