1: With [14C]-Tetramethylammonium bromide; trifluoromethanesulfonic anhydride in N,N-dimethyl-formamide T=0 - 20°C; 17 h; 2: With sodium hydroxide in water
参考文献
GLAXO GROUP LIMITED
Patent: WO2008/145688 A2, 2008 ;
Location in patent: Page/Page column 122 ;
WO 2008/145688 A2
