1: With sodium hydroxide; water in methanol 1 h; Heating / reflux; 2: With hydrogenchloride in water
参考文献
Chakravarty, Prasun K.; Kuo, Howard; Matthews, Jay M.; Meinke, Peter T.
Patent: US2008/15190 A1, 2008 ;
Location in patent: Page/Page column 24 ;
US 20080015190 A1