2,6-二溴-4-氨基吡啶合成路线 (共 13 条)
反应条件
1: With iron; acetic acid T=0 - 20°C; 1 h; 2: With potassium carbonate in water; ethyl acetate
参考文献
Almirall, S.A.; Vidal Juan, Bernat; Forns Berenguel, Maria Pilar; Castillo Mcquade, Marcos; Erra Sola, Montserrat; Mir Cepeda, Marta
Patent: EP2441755 A1, 2012 ;
Location in patent: Paragraph 0174 ;
反应条件
1: With iron; acetic acid T=90°C; 0.5 h; Heating / reflux; 2: With sodium hydroxide in water pH=12 - 14;
参考文献
PROLYSIS LTD
Patent: WO2009/74810 A1, 2009 ;
Location in patent: Page/Page column 15 ;
WO 2009/074810 A1
参考文献
Polychip Pharmaceuticals Pty Ltd; The University of Sydney
Patent: US5929082 A1, 1999 ;
US 5929082 A
反应条件
1: urea hydrogen peroxide addition compound; trifluoroacetic anhydride / dichloromethane / 20.75 h / 5 - 20 °C / Inert atmosphere 2: sulfuric acid; nitric acid / 3.92 h / 79 - 85 °C 3: iron; acetic acid / 0.75 h View Scheme
参考文献
BIOTA EUROPE LTD.
Patent: US2012/88750 A1, 2012 ;
参考文献
Nettekoven, Matthias; Jenny, Christian
Organic Process Research and Development, 2003 , vol. 7, # 1 p. 38 - 43
反应条件
1: sulfuric acid; nitric acid 2: iron-powder; acetic acid View Scheme
参考文献
BIOTA EUROPE LTD.
Patent: US2012/88750 A1, 2012 ;
反应条件
ammonium hydroxide T=160°C; Nebenprodukt Nr. 2: 6-Brom-pyridin-2,4-diyldiamin;
参考文献
den Hertog
Recueil des Travaux Chimiques des Pays-Bas, 1946 , vol. 65, p. 129,136
Full Text Show Details
den Hertog; Jouwersma
Recueil des Travaux Chimiques des Pays-Bas, 1953 , vol. 72, p. 44,47
反应条件
potassium hydroxide; bromine
参考文献
den Hertog
Recueil des Travaux Chimiques des Pays-Bas, 1946 , vol. 65, p. 129,136
参考文献
den Hertog; Jouwersma
Recueil des Travaux Chimiques des Pays-Bas, 1953 , vol. 72, p. 44,47
参考文献
den Hertog; Jouwersma
Recueil des Travaux Chimiques des Pays-Bas, 1953 , vol. 72, p. 44,47