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Synthesis and characterization of 5-(arylazo)thiobarbituric acids and their complexes

✍ Scribed by Mamdouh S. Masoud; Zenat M. Zaki

Publisher
Springer
Year
1988
Tongue
English
Weight
603 KB
Volume
13
Category
Article
ISSN
0340-4285

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## Abstract A sodium derivative of 1,3‐dimefhylbarbituric acid or 1,3‐diethyl‐2‐thiobarbituric acid undergoes an efficient monoacylation at C5 by the reaction with ω‐chloroalkanoyl chloride or diacid dichloride in the presence of pyridine in tetrahydrofuran. A nucleophilic displacement of the chlor