1: With 2,4-di-Nitrobenzene; Na2CO3*1.5H2O2; potassium tert-butylate in tert-butyl alcohol
2 h; Heating / reflux;
2: With sulfuric acid in water
T=0°C;
参考文献
SCHERING CORPORATION
Patent: WO2008/100480 A1, 2008 ;
Location in patent: Page/Page column 71-72 ;
WO 2008/100480 A1