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Synthesis of novel bis-thiadiazoles, bis-triazoles and polypyrazole derivatives based on hydrazonoyl halides

✍ Scribed by Sayed, Abdelwahed R.


Book ID
120360867
Publisher
Elsevier Science
Year
2013
Tongue
French
Weight
589 KB
Volume
69
Category
Article
ISSN
0040-4020

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## Abstract magnified image 3‐Acetyl‐4‐benzoyl‐1,5‐diphenylpyrazole reacts with DMF‐DMA to give the novel enaminone **2**. The reaction of the latter with various hydrazonoyl halides afforded regioselectively the respective substituted (3‐pyrazolyl)(4‐pyrazolyl)ketones **4** in good over all yield