Journal
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS
Volume 23, Issue 3, Pages 912-916Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bmcl.2012.10.031
Keywords
Benzophenones; Pyrazole; HMBC; HSQC; COSY; Anti-inflammatory; Antioxidant activity
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Funding
- Council of Scientific and Industrial Research (CSIR), New Delhi, Govt. of India
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A series of novel pyrazole integrated benzophenones (9a-j) have been designed, synthesized from 1-methyl-5-(2,4,6-trimethoxy-phenyl)-1H-pyrazole 6. The structures of the regioisomers 6 and 7 were determined by 2D H-1-H-1 COSY, H-1-C-13 HSQC and H-1-C-13 HMBC experiments. The newly synthesized compounds (9a-j) were evaluated for in vivo anti-inflammatory activity by carrageenan paw edema in rats and in vitro COX-1/COX-2 inhibition and antioxidant potential. Among the synthesized compounds, compounds 9b, 9d and 9f, were found to be active anti-inflammatory agents in addition to having potent antioxidant activity. (c) 2012 Elsevier Ltd. All rights reserved.
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