1: 1.) pyridine, room temperature, 4 d, 2.) 36percent HCl, AcOH, H2O, reflux, 8 h
2: 5.2 g / diethyl ether / 2 h
3: 14 mg / DBN / benzene / 48 h / Heating
View Scheme
参考文献
Anderson, John R.; Edwards, Raymond L.; Whalley, Anthony J. S.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1982 , p. 215 - 222