Formation of the benzo[f]pyrazolo[3,4-c][1,2,5]-triazepine system in the template reaction of o-amino-o′-halophenylazopyrazoles |
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| Authors: | V M Dziomko B K Berestevich R S Kuzanyan |
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| Institution: | (1) All-Union Scientific-Research Institute of Chemical Reagents and Ultrapure Chemical Substances, 107258 Moscow |
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| Abstract: | The substance isolated from the template cyclization of 4-(2-bromo-4-methyl-1-phenylazo)-5-amino-3-methyl-1-propylpyrazole was identified by spectroscopic methods as 5-(2-bromo-4-methylphenyl)-3,7-dimethyl-1-propyl-1,5-dihydrobenzof]-pyrazolo3,4-c]1,2,5]triazepine.Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 6, pp. 802–804, June, 1979. |
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