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Preparation and antidiabetic activity of new substituted 3,5-diarylpyrazolesulfonylurea derivatives

✍ Scribed by Raafat Soliman; Hassan M. Feid-Allah; Samir K. El Sadany; Hosny F. Mohamed


Publisher
John Wiley and Sons
Year
1981
Tongue
English
Weight
432 KB
Volume
70
Category
Article
ISSN
0022-3549

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## Abstract The reaction of ethyl 4‐(benzofuran‐2‐yl)‐2,4‐dioxobutanoate **2** with two moles of hydrazine hydrate afforded 5‐(benzofuran‐2‐yl)‐1__H__‐pyrazole‐3‐carbohydrazide **4a**, while its reaction with equimolar amount of phenylhydrazine gave ester **3b** which then converted to 5‐(benzofura