𝔖 Bobbio Scriptorium
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Synthesis, application and biodegradation of a chromium azomethine dye

✍ Scribed by Z. Grabarić; N. Koprivanac; S. Papić; Đ. Parac-Osterman; H. Matanić

Book ID
103546754
Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
659 KB
Volume
23
Category
Article
ISSN
0143-7208

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## 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