反应条件
1: 87 percent / ethanol; diethyl ether
2: 41 percent / dimethylformamide / reflux, 10 h; room temperature, overnight
3: 42 percent / aq. hydrobromic acid / acetic acid / 24 h / 110 °C
View Scheme
参考文献
Ramsden, Christopher A.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1981 , p. 2456 - 2463