反应条件
1: 27 percent / triethylamine / ethyl acetate / 1.) 0 deg C, 1 h, 2.) room temp., 6 h. 2: 2.) 'constant boiling' hydrochloric acid / 1.) (DMF), 24 h, room temp., 2.) reflux, 24 h View Scheme
参考文献
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), , p. 1811 - 1816