反应条件
1: 100 percent / 98.1percent H2SO4 / H2O / 0.67 h
2: N(Et)3 / pyridine / 0.67 h / 90 °C / or 177 deg C, 0.5 h; or sulpholane, 200-220 deg C
View Scheme
参考文献
Mukerjee, Arya K.; Joseph, Kiran; Rao, Laxmi
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1991 , # 4 p. 2611 - 2612