1: in tetrahydrofuran; diethyl ether; benzene
2 h; Heating / reflux;
2: With hydrogenchloride in ethanol; water
Heating / reflux;
3: With ammonia in water; benzene
参考文献
MERCK and CO., INC.
Patent: WO2005/807 A2, 2005 ;
Location in patent: Page 41-42 ;
WO 2005/000807 A2