1: With 4-(N,N-dimethlyamino)pyridine; triethylamine in dichloromethane
T=20°C;
2: With CaO; dichloro(pyridine-2-carboxylato)gold(III); KAuCl4*xH2O in acetonitrile
T=60°C; 0.25 h; Further stages.;
参考文献
Wang, Shaozhong; Zhang, Liming
Journal of the American Chemical Society, 2006 , vol. 128, # 44 p. 14274 - 14275
1: nickel / 200 °C / Hydrogenation
2: chlorosulfonic acid / -10 - -5 °C / und Kochen des entstandenen Chloridgemisches mit Wasser
3: durch Kalischmelze
4: sulfuric acid
View Scheme
参考文献
Schroeter
Justus Liebigs Annalen der Chemie, 1922 , vol. 426, p. 132