THE FORMATION OF PYRAZOLO[1,5-A]PYRIMIDINES BY THE REACTION OF 3-(4-CHLOROPHENYL)PYRAZOL-5-AMINE WITH CHALCONES

Authors
QUIROGA J INSUASTY B RINCON R LARRAHONDO M HANOLD N MEIER H
Citation
J. Quiroga et al., THE FORMATION OF PYRAZOLO[1,5-A]PYRIMIDINES BY THE REACTION OF 3-(4-CHLOROPHENYL)PYRAZOL-5-AMINE WITH CHALCONES, Journal of heterocyclic chemistry, 31(6), 1994, pp. 1333-1335
Citations number
19
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Journal of heterocyclic chemistry → ACNP
ISSN journal
0022152X
Volume
31
Issue
6
Year of publication
1994
Pages
1333 - 1335
Database
ISI
SICI code
0022-152X(1994)31:6<1333:TFOPBT>2.0.ZU;2-Q
Abstract
Cyclocondensation reactions of the pyrazol-5-amine 1 and the 1-aryl-3- phenyl-2-propen-1-ones 2a-d yield the 6,7-dihydropyrazolo[1,5-a]pyrimi dines 7a-d. Whereas 7a-c can be isolated in pure state, 7d is subjecte d to a spontaneous oxidation.