反应条件
1: 95 percent / pyridine / 1.) acetone-solid CO2 bath, 30 min; 2.) 20 deg C, 30 min
2: formamide / 4 h / 55 °C
View Scheme
参考文献
Knight, Derek J.; Whitham, Gordon H.; Williams, Jonathan G.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1987 , p. 2149 - 2152