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New routes to 1-functionally substituted arylbenzotriazoles: 3-Benzotriazol-1-yl-pyridazine-4-ones, 5-benzotriazol-1-yl-pyridazine-6-ones and 5-benzotriazol-1-yl-pyridazine-6-imines

✍ Scribed by Fatima Al-Omran; Nouria Al-Awadl; Osama Yousef; Mohamed Hilmy Elnagdi

Publisher
Journal of Heterocyclic Chemistry
Year
2000
Tongue
English
Weight
268 KB
Volume
37
Category
Article
ISSN
0022-152X

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✦ Synopsis

Abstract

Condensation of 1‐arylhydrazono‐1‐benzotriazol‐1‐yl 2‐propanones (5a‐c) with DMF DMA afforded 1‐aryl‐3‐benzotriazol‐1‐yl‐1,4‐dihydropyridazine‐4‐ones (8a‐c). While condensation of 1‐functionally substituted methylbenzotriazoles 3b,c with 2‐arylhydrazono‐3‐oxoarylpropanal 13a,b give 3‐aroyl‐5‐(benzo‐triazolyl‐1‐yl)‐1,6‐dihydro‐1‐phenylpyridazine‐6‐ones and 6‐imines 14a‐d.

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