1: With potassium hydroxide; water in ethanol
24 h; Heating / reflux;
2: With hydrogenchloride in ethanol; water
pH=< 2;
参考文献
Jacobsen, Eric Jon; Myers, Jason K.; Walker, Daniel Patrick; Wishka, Donn G.; Reitz, Steven Charles; Piotrowski, David W.; Acker, Brad A.; Groppi JR., Vincent E.
Patent: US2003/236270 A1, 2003 ;
Location in patent: Page 38 ;