反应条件
1: 80 percent / Et3N, 4-dimethylaminopyridine (DMAP) / CH2Cl2 / 0 °C
2: 1,1,3,3-tetramethylguanidium azide / CH2Cl2 / 4 h / Ambient temperature
3: 1.) Ph3P, 2.) H2O / 1.) THF, r. t., 2 d, 2.) 2 d
View Scheme
参考文献
Hoffman; Kim
Tetrahedron, 1992 , vol. 48, # 15 p. 3007 - 3020