Cyclocondensation reactions of heterocyclic carbonyl compounds VII. Synthesis of some substituted benzo[1,2,4]triazino[2,3-a]benzimidazoles

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F02%3A00001417" target="_blank" >RIV/61989592:15310/02:00001417 - isvavai.cz</a>

Result on the web

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DOI - Digital Object Identifier

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Result language

angličtina

Original language name

Cyclocondensation reactions of heterocyclic carbonyl compounds VII. Synthesis of some substituted benzo[1,2,4]triazino[2,3-a]benzimidazoles

Original language description

In this communication we describe synthesis of new heterocyclic condensed compounds that have not been described so far as benzo[e][1,2,4]triazino[2,3-a]benzimidazole and its isomeric benzo[g] condensed system. The main principle of the synthesis is thecyclocondensation reaction of isomeric derivatives 1-(1-amino-2-naphtyl)-6-azauracil 4 and 1-(2-amino-1-naphthyl)-6-azauracil 13 to the corresponding 3-oxo-3,4-dihydrobenzo[e] [1,2,4]triazino[2,3-a]benzimidazol-2-carbonitrile 5 or 3-oxo-3,4-dihydro-benz o[g][1,2,4]triazino[2,3a]benzimidazol-2-carboxylic acid 14 respectivelly. Isomeric carboxylic acid 6 was obtained by acidic hydrolysis of carbonitrile 5. Substituted 6-azauracils 4 and 13 were prepared from 1-nitro-2-naphthylamine 1 via hydrazones 2 and 11 that have been cyclized to the substituted 6-azauracils 3 and 12.

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

ED - Physiology

OECD FORD branch

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Project

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Continuities

Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year

2002

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Heterocyclic Communications

ISSN

0793-0283

e-ISSN

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Volume of the periodical

8

Issue of the periodical within the volume

2

Country of publishing house

IL - THE STATE OF ISRAEL

Number of pages

6

Pages from-to

123-128

UT code for WoS article

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EID of the result in the Scopus database

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