Difunctional heterocycles: a convenient synthesis of bis(4,5-dihydropyrazolyl) ethers from their precursor bis(chalcones)

Authors
Elwahy, AHM
Citation
Ahm. Elwahy, Difunctional heterocycles: a convenient synthesis of bis(4,5-dihydropyrazolyl) ethers from their precursor bis(chalcones), J CHEM R-S, (10), 1999, pp. 602-603B
Citations number
48
Categorie Soggetti
Chemistry
Journal title
JOURNAL OF CHEMICAL RESEARCH-S
ISSN journal
03082342 → ACNP
Issue
10
Year of publication
1999
Pages
602 - 603B
Database
ISI
SICI code
0308-2342(199910):10<602:DHACSO>2.0.ZU;2-K
Abstract
Bis(4,5-dihydropyrazolyl) ethers 18-22, 26, 27 and 40-44 are obtained in 35 -80% yield by heating the corresponding bis(chalcones) 13-17 and 34-37 with each of hydrazine hydrate and phenylhydrazine in refluxing acetic acid.