Reaktion #81814
ord-72d9ff999e9a401487739ba2994211ce
Reaktionsgleichung
Reagenzien
Keine
Lösungsmittel
Reaktionsbedingungen
Detaillierte Bedingungen
See reaction.notes.procedure_details.
Aufarbeitung
- 1EinengenAfter concentrating in vacuo
- 2Sonstigethe residue was purified on a silical gel column
- 3Wascheneluting with 50% ethyl acetate/hexane
Vorschrift
A solution of 1.80 g of 2-chloro-N-(2-ethylamino-3-pyridinyl)-5-nitro-3-pyridinecarboxamide in 25 ml of xylene was refluxed for four hours. After concentrating in vacuo, the residue was purified on a silical gel column eluting with 50% ethyl acetate/hexane to give 0.93 g of the title compound.