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Synthesis and characterization of poly(dipropargyloxynaphtoates) containing polar Azo dyes

✍ Scribed by Rosa Elena Navarro; Lorena Armenta-Villegas; Ana Laura Pérez-Martínez; Miriam Fatima Beristain; Takeshi Ogawa

Book ID
106001199
Publisher
Springer
Year
2006
Tongue
English
Weight
289 KB
Volume
58
Category
Article
ISSN
0170-0839

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✍ Hala F. RIZK; Mohamed A. El-BORAI; Gad B. El-HEFNAWY; Hatem F. El-SAYED 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 83 KB 👁 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