Synthesis and pharmacological evaluation of pyrazoline derivatives as new anti-inflammatory and analgesic agents
作者:Mohammad Amir、Harish Kumar、Suroor A. Khan
DOI:10.1016/j.bmcl.2007.12.043
日期:2008.2
hydrazine hydrate in solvent system ethanol and DMF. The newly synthesized compounds were screened for their anti-inflammatory and analgesic activity, and were compared with standard drug. Among the compounds studied, compound 2e showed more potent anti-inflammatory and analgesic activity than the standard drug, along with minimum ulcerogenic index.
SOCl<sub>2</sub> catalyzed cyclization of chalcones: Synthesis and spectral studies of some bio-potent <sup>1</sup><i>H</i> pyrazoles
Some aryl-aryl 1H pyrazoles have been synthesised by cyclization of aryl chalcones and hydrazine hydrate in the presence of SOCl2. The yields of the pyrazoles are more than 85%. These pyrazoles are characterized by their physical constants and spectral data. The infrared, NMR spectral group frequencies of these pyrazolines have been correlated with Hammett substituent constants, F and R parameters. From the results of statistical analyses the effects of substituent on the spectral frequencies have been studied. The antimicrobial activities of all synthesised pyrazolines have been studied using Bauer-Kirby method.