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Pyrazolines. VIII. The Syntheses of 5,5-Diaryl-2-pyrazolines from the Reaction of Diazoalkanes with Methyl Acrylate 1

✍ Scribed by Jones, W. M.; Glenn, Tom H.; Baarda, D. G.

Book ID
121370024
Publisher
American Chemical Society
Year
1963
Tongue
English
Weight
441 KB
Volume
28
Category
Article
ISSN
0022-3263

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Synthesis of 1-substituted 3,5-diaryl-2-
Synthesis of 1-substituted 3,5-diaryl-2-pyrazolines by the reaction of α,β-unsaturated ketones with hydrazines
✍ Albert Lévai; József Jekö 📂 Article 📅 2006 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 99 KB 👁 1 views

## Abstract magnified image 1‐Acetyl‐, 1‐propionyl‐ and 1‐phenyl‐3,5‐diaryl‐2‐pyrazolines have been synthesized by the reaction of the appropriate α,β‐unsaturated ketones with hydrazine or phenylhydrazine in hot acetic acid or propionic acid. Structures of all new 2‐pyrazolines **16‐40** have been