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Synthesis of 1-Substituted 5-Aryl-3-styryl-2-pyrazolines and 3-Aryl-5-styryl-2-pyrazolines by the Reaction of Dibenzylideneacetones and E,E-Cinnamylideneacetophenones with Hydrazines.

✍ Scribed by Albert Levai; Jozsef Jeko


Publisher
John Wiley and Sons
Year
2007
Weight
28 KB
Volume
38
Category
Article
ISSN
0931-7597

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Synthesis and multinuclear NMR study of
✍ V. Vijayabaskar; S. Perumal; S. Selvaraj; A. Lycka; R. Murugan; M. Balasubramani πŸ“‚ Article πŸ“… 1999 πŸ› John Wiley and Sons 🌐 English βš– 133 KB πŸ‘ 2 views

The reaction of triarylideneacetylacetones with hydrazine hydrate in acetic acid a †ords an excellent yield of (E)-s-trans-1-acetyl-5-aryl-3-styryl-2-pyrazolines via decinnamoylation. The structures of these compounds were elucidated using 1H, 13C and two-dimensional NMR techniques such as H,H-COSY,