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Pyrazolones and quinoxalines from 4-phenyl-2,3-dioxobutyro-1,4-lactone

✍ Scribed by H. M. Mokhtar; Z. M. El-Shafei; H. S. El Khadem; D. L. Swartz


Book ID
112124154
Publisher
Journal of Heterocyclic Chemistry
Year
1977
Tongue
English
Weight
119 KB
Volume
14
Category
Article
ISSN
0022-152X

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## Abstract Synthesis of {3‐[1‐(ethoxycarbonyl)‐[1,2,4]triazolo[4,3‐a]quinoxalin‐4‐yl]‐1‐phenyl‐1__H__‐pyrazol‐5‐yl}methyl ethyl oxalate (**2**), ethyl 4‐[5‐(acetoxymethyl)‐1‐phenyl‐1__H__‐pyrazol‐3‐yl]‐[1,2,4]triazolo[4,3‐a]quioxaline‐1‐carboxylate (**4**), [4‐halo‐1‐phenyl‐3‐(1‐phenyl‐[1,2,4]tria