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Synthesis of trifluoromethylthiazoles and their application to azo dyes

✍ Scribed by Kiyoshi Tanaka; Kazuto Nomura; Hitoshi Oda; Shouhei Yoshida; Keiryo Mitsuhashi


Book ID
112130026
Publisher
Journal of Heterocyclic Chemistry
Year
1991
Tongue
English
Weight
351 KB
Volume
28
Category
Article
ISSN
0022-152X

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Synthesis and Application of Some Azo an
✍ Hala F. RIZK; Mohamed A. El-BORAI; Gad B. El-HEFNAWY; Hatem F. El-SAYED πŸ“‚ Article πŸ“… 2009 πŸ› John Wiley and Sons 🌐 English βš– 83 KB πŸ‘ 2 views

## Abstract 3‐Amino‐1‐phenyl‐4,5‐dihydro‐1__H__‐pyrazol‐5‐one (**1**) was used as starting material for the synthesis of a number of azo compounds **3a–3c** and azomethine derivative **4**. The deblocking of **3a**–**3c** and **4** gave rise to **5a**–**5c** and **6** in which a free amino was reve