反应条件
1: 1) EtMgBr / 1) ether, 1h, reflux, 2) 30 min, reflux
2: 63 percent / PBr3, pyridine / diethyl ether / 3 h / Heating
3: 1) EtMgBr, 2) CuCN / 1) THF, RT, 2h, 2) THF, 23h, reflux
4: 95 percent / diethyl ether / 0 °C
View Scheme
参考文献
Crombie, Leslie; Morgan, David O.; Smith, Elisabeth H.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1991 , # 3 p. 567 - 575