Synthesis of 14π-electron peri-annelated tricyclic heteroaromatic systems based on 2, 4, 6-trinitrotoluene

…, VM Vinogradov, SA Shevelev

Index: Vinogradov, Vasilii M.; Starosotnikov, Aleksei M.; Shevelev, Svyatoslav A. Mendeleev Communications, 2002 , vol. 12, # 5 p. 198 - 200

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Citation Number: 4

Abstract

Methyl 1-aryl-7-nitro-1H-thiopyrano [4, 3, 2-cd] indazol-4-carboxylates 2 and 1, 5-diaryl-7- nitro-1, 5-dihydropyrazolo [3, 4, 5-de]-cinnolines 4 were prepared based on 1-aryl-3-formyl- 4, 6-dinitro-1H-indazoles 1, which were synthesised previously starting from 2, 4, 6- trinitrotoluene.