Metal salt-catalyzed diazocoupling of 3-substituted-1-pyrazol-2-in-5-ones in aqueous medium

Khalil, A. K. ; HASSAN, M ; MOHAMED, M ; ELSAYED, A 


Abstract


Organic synthesis in water belongs to green chemistry. AlCl3-catalyzed diazocoupling of 3-substituted-1H-pyrazol-2-in-5-ones (1) in water with different aryldiazonium salts yielded (5-hydroxy-3-substituted-1H-pyrazol-4-yl)-azobenzene derivatives (2) as colored products with high yields. © 2004 Elsevier Ltd. All rights reserved.


Other data

Issue Date 2005
Journal Dyes and Pigments 
URI http://research.asu.edu.eg/handle/123456789/168568
DOI 3
https://api.elsevier.com/content/abstract/scopus_id/13444281914
241
66
10.1016/j.dyepig.2004.10.005


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