𝔖 Bobbio Scriptorium
✦   LIBER   ✦

New Access to Pyrazole, Oxa(thia)diazole and Oxadiazine Derivatives.

✍ Scribed by Alaa A. Hassan; Kamal M. El-Shaieb; Raafat M. Shaker; Dietrich Doepp

Publisher
John Wiley and Sons
Year
2005
Weight
22 KB
Volume
36
Category
Article
ISSN
0931-7597

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

New access to pyrazole, oxa(thia)diazole
New access to pyrazole, oxa(thia)diazole and oxadiazine derivatives
✍ Alaa A. Hassan; Kamal M. El-Shaieb; Raafat M. Shaker; Dietrich Döpp 📂 Article 📅 2005 🏛 John Wiley and Sons 🌐 English ⚖ 126 KB

## Abstract 1,4‐Disubstituted thiosemicarbazides **1b–f** reacted with ethenetetracarbonitrile (**5**) in di‐ methylformamide with formation of 2‐substituted 5‐phenyl‐1,3,4‐thiadiazoles **2a–f** and 2‐substituted 5‐phenyl‐1,3,4‐oxadiazoles **4a–f**. Upon addition of **5** to **1c–e** in chlorobenze

Synthesis of some new benzofuran-based t
Synthesis of some new benzofuran-based thiophene, 1,3-oxathiole and 1,3,4-oxa(thia)diazole derivatives
✍ Kamal M. Dawood; Ahmad M. Farag; Hatem A. Abdel-Aziz 📂 Article 📅 2007 🏛 John Wiley and Sons 🌐 English ⚖ 225 KB

## Abstract Treatment of 3‐(3‐methylbenzofuran‐2‐yl)‐3‐oxopropanenitrile (**1**) with phenyl isothiocyanate afforded the thioacetanilide derivative **3**, which when reacted with α‐haloketones, α‐halodiketones, and hydrazonoyl chlorides gives thiophene, 1,3‐oxathiole, and 1,3,4‐thiadiazole derivati