1: With tert.-butylhydroperoxide; vanadium(III) 2,4-pentanedionate in ethanol T=5°C; 6 h; 2: With ammonia; sodium sulfite in ethanol; water T=25°C; pH=8 - 8.5; 17 h;
参考文献
TEVA PHARMACEUTICAL INDUSTRIES LTD.; TEVA PHARMACEUTICALS USA, INC.
Patent: WO2004/46135 A1, 2004 ;
Location in patent: Page 12 ;