SYNTHESES OF 5-ARYLPYRAZOLE DERIVATIVES VIA PALLADIUM-CATALYZED CROSS-COUPLING REACTIONS

Authors
YAGI K OGURA T NUMATA A ISHII S ARAI K
Citation
K. Yagi et al., SYNTHESES OF 5-ARYLPYRAZOLE DERIVATIVES VIA PALLADIUM-CATALYZED CROSS-COUPLING REACTIONS, Heterocycles, 45(8), 1997, pp. 1463-1466
Citations number
20
Categorie Soggetti
Chemistry Inorganic & Nuclear
Journal title
Heterocycles → ACNP
ISSN journal
03855414
Volume
45
Issue
8
Year of publication
1997
Pages
1463 - 1466
Database
ISI
SICI code
0385-5414(1997)45:8<1463:SO5DVP>2.0.ZU;2-4
Abstract
The first examples of a direct introduction of an aryl group onto a py razole ring via palladium-catalyzed cross-coupling reactions are repor ted. It was found that substituents at 1-position on the pyrazole ring affected the yields, and dimethylsulfamoyl group, as an electron-with drawing group, gave highest yield.