1: With sodium carbonate; tetrakis(triphenylphosphine) palladium(0) in ethanol; water T=20°C; 20 h; Heating / reflux; 2: With hydrogenchloride in ethanol; water pH=3;
参考文献
Carter, Percy H.; Cherney, Robert J.; Batt, Douglas G.; Brown, Gregory D.; Duncia, John V.; Gardner, Daniel S.; Yang, Michael G.
Patent: US2005/54626 A1, 2005 ;
Location in patent: Page/Page column 43 ;
US 20050054626 A1