反应条件
1: 92 percent / Et3N / CH2Cl2 / 1) 0 deg C, 1 h, 2) room temperature, 4 h
2: 1) TsCl, Et3N, DMAP, 2) NaH / 1) CH2Cl2, 0 deg C to room temperature, overnight, 2) THF, 0 deg C to room temperature; room temperature, 24 h
3: 1) CuI / 1) Et2O, -10 deg C, 20 min, 2) Et2O, THF, -78 deg C to 0 deg C, 2 h
View Scheme
参考文献
Cantrill, Alex A.; Osborn, Helen M. I.; Sweeney, Joseph
Tetrahedron, 1998 , vol. 54, # 10 p. 2181 - 2208
