𝔖 Bobbio Scriptorium
✦   LIBER   ✦

A convenient synthesis of activated 5-Nitrofur-2-yl Olefines

✍ Scribed by Dr. Siegfried Vieth; Dr. sc. Klaus Jähnisch

Book ID
105353799
Publisher
John Wiley and Sons
Year
1990
Tongue
English
Weight
164 KB
Volume
332
Category
Article
ISSN
1615-4150

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Convenient Synthesis and Antimicrobial A
Convenient Synthesis and Antimicrobial Activity of New 3-Substituted 5-(Benzofuran-2-yl)-pyrazole Derivatives
✍ Bakr F. Abdel-Wahab; Hatem A. Abdel-Aziz; Essam M. Ahmed 📂 Article 📅 2008 🏛 John Wiley and Sons 🌐 English ⚖ 474 KB 👁 2 views

## 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