1: 98 percent / POCl3, pyridine / 2 h / or with acetic anhydride or propionic anhydride
2: KNO3/H2SO4 / 0.33 h
View Scheme
参考文献
Cornforth, John; Ming-hui, Du
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1990 , # 5 p. 1463 - 1467
