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Imidazo [2,1-b] [1,3,4] oxadiazol und Imidazo[2,1-b] [1,3,4]oxadiazin, zwei neue heterocyclische Ringsysteme

โœ Scribed by H. Beyer; A. Hetzheim


Book ID
104605191
Publisher
Wiley (John Wiley & Sons)
Year
2010
Weight
118 KB
Volume
2
Category
Article
ISSN
0044-2402

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Abstract4-aryl-1-( l-aryl-ethylidenamino)-1,3-dihydro-2-imidazolones (2) and 4-aryl-l-(l-aryl-ethylamino)-l,3-dihydro-2-imidazolones (3) were synthetized by controlled potential reduction of 3,7\_diaryl-2H-imidazo[Z,l-b][1,3,4]oxadiazines (1) employing different Solvent-Support-Electrolyte (SSE) sys

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Hydrazonoyl bromides 1a-c react with 5-amino-3phenyl-1H-pyrazole, 5-amino-1H-1,2,4-triazole, 2aminopyridine, 2-aminopyrimidine, and 2-aminobenzimidazole to afford the corresponding imidazo[1,2-b]pyrazoles 10, imidazo[1,2-b]-1,2,4-triazoles 11, imidazo[1,2-a]pyridines 16, imidazo[1,2-a]pyrimidines 17