反应条件
1.1: pyrrolidine / dimethylformamide / 6 h / Heating
1.2: 33 percent / Zn / acetic acid; H2O / 5 h / 100 °C
2.1: 73 percent / BuLi / hexane; tetrahydrofuran / 25 °C
3.1: sec-butyllithium; N,N,N',N'-pentamethyldiethylenetriamine / pentane; tetrahydrofuran / -75 °C
3.2: 75 percent / I2 / pentane; tetrahydrofuran
4.1: 2,2,6,6-tetramethylpiperidine; N,N,N',N'-pentamethyldiethylenetriamine; BuLi / tetrahydrofuran; hexane / 6 h / -75 °C
4.2: 88 percent / tetrabutylammonium fluoride hydrate / 25 °C
View Scheme
参考文献
Schlosser, Manfred; Ginanneschi, Assunta; Leroux, Frederic
European Journal of Organic Chemistry, 2006 , # 13 p. 2956 - 2969