1: With sulfuric acid; nitric acid
2: With sodium metasulfite; sodium acetate in ethanol; water
T=20°C; 8 h;
参考文献
Mallikarachy, Prabodhika R.; Brotherton, Harry O.; Fronczek, Frank R.; Junk, Thomas
Journal of Heterocyclic Chemistry, 2005 , vol. 42, # 2 p. 243 - 247
