1: With lithium hydroxide; water in tetrahydrofuran T=20 - 60°C; 22 h; 2: With sodium hydroxide in tetrahydrofuran 24 h; Heating / reflux; 3: With acetic acid in water pH=5 - 6;
参考文献
MERCK SERONO S.A.
Patent: WO2009/43890 A1, 2009 ;
Location in patent: Page/Page column 55-56 ;
WO 2009/043890 A1