Synthèse de Pyridinobenzotetraazapentalenes
…, R Biemans, M Flammang??Barbieux…
Index: Maquestiau, A.; Biemans, R.; Flammang-Barbieux, M.; Vilain, E. Bulletin des Societes Chimiques Belges, 1986 , vol. 95, # 12 p. 1107 - 1116
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Citation Number: 6
Abstract
Abstract Four new heteroaromatic pentalenes have been synthetised by reductive cyclisation with triethylphosphite of the appropriate nitropyridylbenzotriazoles or nitrophenyltriazolo [4, 5-b] pyridines: the [2, 3-b] pyridino [4, 5] benzo-1, 3a, 6, 6a- tetraazapentalene 2;[3, 2-c] pyridino [4, 5] benzo-1, 3a, 6, 6a-tetraazapentalene 3;[3, 2-b] and [2, 3-b] pyridino [5, 6] benzo-1, 3a, 4, 6a-tetraazapentalene 5, 6. The spectral ...
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