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Cyclocondensation reactions of heterocyclic carbonyl compounds.. Synthesis of 2,6-bis(6-azauracil-5-yl)aniline and its use for synthesis of some other polynuclear 1,2,4-triazines

✍ Scribed by Jan Hlaváč; Jan Slouka

Publisher: Journal of Heterocyclic Chemistry
Year: 1997
Tongue: English
Weight: 233 KB
Volume: 34
Category: Article
ISSN: 0022-152X
DOI: 10.1002/jhet.5570340331

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✦ Synopsis

Abstract

5‐(2‐Aminophenyl)‐6‐azauracil 1 was converted to 7‐(6‐azauracil‐5‐yl)isatin 3, semicarbazone 4 of which was recyclized to 2,6‐bis(6‐azauracil‐5‐yl)aniline 5. This one served as a starting compound for preparation of other noncondensed two nuclear heterocycles 7, 9, 10 and condensed 1,2,4‐triazines 11 and 12 as well.

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