A series of pyrido[2,3-b]pyrazine derivatives were synthesized in good to excellent yields by condensation reactions of arylglyoxals with 2,3-diaminopyridine in dimethylformamide and ethanol at 90 oC.
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1. 
Regioselective synthesis of 3-arylpyrido[2,3-b]pyrazines by reaction of arylglyoxals with 2,3-diaminopyridine Pages 21-26
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Authors: Jabbar Khalafy, Ahmad Poursattar Marjani, Maryam Haghipour
DOI: 10.5267/j.ccl.2012.12.003
Keywords: 2-3-Diaminopyridine, Arylglyoxals, Pyrido[2-3-b]pyrazines, Regioselective
Abstract:
Journal: CCL | Year: 2013 | Volume: 2 | Issue: 1 | Views: 2585 | Reviews: 0
2.
The synthesis of 2-arylquinoxaline derivatives Pages 139-146
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Authors: Jabbar Khalafy, Bayram Parsa Habashi, Ahmad Poursattar Marjani, Peyman Najafi Moghadam
Keywords: arylglyoxals, 2-diaminobenzene derivatives, Arylquinoxalines
Abstract:
A series of new 2-arylquinoxaline derivatives have been synthesized in high yield by condensation of aryl-1,2-diamines with arylglyoxals in DMF at 50-120 oC.
Journal: CCL | Year: 2012 | Volume: 1 | Issue: 3 | Views: 2810 | Reviews: 0