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Synthesis of 1H-3-pyrazolines

โœ Scribed by K. Burger; H. Schickaneder; F. Hein; J. Elguero


Publisher
Elsevier Science
Year
1979
Tongue
French
Weight
487 KB
Volume
35
Category
Article
ISSN
0040-4020

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Synthesis of 3-aroyl-4-(3-chromonyl)-2-p
โœ Albert Lรฉvai; Jรณzsef Jekรถ ๐Ÿ“‚ Article ๐Ÿ“… 2002 ๐Ÿ› Journal of Heterocyclic Chemistry ๐ŸŒ English โš– 37 KB ๐Ÿ‘ 1 views

## Abstract New 3โ€aroylโ€4โ€(3โ€chromonyl)โ€2โ€pyrazolines have been synthesized by the reaction of 3โ€(3โ€arylโ€3โ€oxoโ€propenyl)chromenโ€4โ€ones and diazomethane. Some of these 2โ€pyrazolines have also been Nโ€acylated with a mixture of anhydrous pyridine and acetic anhydride or propionic anhydride. Structures