Pyrazole containing natural products: Synthetic preview and biological significance

V Kumar, K Kaur, GK Gupta, AK Sharma - European Journal of Medicinal …, 2013 - Elsevier
A large number of structurally diverse natural compounds containing azole nucleus
constitute an important class of biologically active heterocycles that are gaining more …

Trifluoromethylpyrazoles as anti-inflammatory and antibacterial agents: A review

K Kaur, V Kumar, GK Gupta - Journal of Fluorine Chemistry, 2015 - Elsevier
In the recent past trifluoromethylpyrazoles have gained much attention, particularly as anti-
inflammatory and antibacterial agents, in the field of medicinal chemistry. The location of …

Cycloaddition of Trifluoroacetaldehyde N-Triftosylhydrazone (TFHZ-Tfs) with Alkynes for Synthesizing 3-Trifluoromethylpyrazoles

H Wang, Y Ning, Y Sun, P Sivaguru, X Bi - Organic letters, 2020 - ACS Publications
A transition-metal-free [3+ 2] cycloaddition between trifluoroacetaldehyde N-
triftosylhydrazone (TFHZ-Tfs) and alkynes is reported. This protocol provides an …

[HTML][HTML] Repurposing celecoxib as a topical antimicrobial agent

S Thangamani, W Younis, MN Seleem - Frontiers in microbiology, 2015 - frontiersin.org
There is an urgent need for new antibiotics and alternative strategies to combat multidrug-
resistant bacterial pathogens, which are a growing clinical issue. Repurposing existing …

[HTML][HTML] Pyrazoles as potential anti-angiogenesis agents: a contemporary overview

KM Kasiotis, EN Tzanetou, SA Haroutounian - Frontiers in chemistry, 2014 - frontiersin.org
Angiogenesis is a mulit-step process by which new blood vessels are formed from
preexisting vasculature. It is a key rate limiting factor in tumor growth since new blood …

Fluorinated isoxazolines and isoxazoles: A synthetic perspective

V Kumar, K Kaur - Journal of Fluorine Chemistry, 2015 - Elsevier
Isoxazoline and isoxazole derivatives are an important class of nitrogen and oxygen
containing heterocycles that are well known to display an array of various biological …

Synthesis and biological evaluation of some 2-(3, 5-dimethyl-1H-pyrazol-1-yl)-1-arylethanones: Antibacterial, DNA photocleavage, and anticancer activities

V Kumar, K Kaur, DN Karelia, V Beniwal… - European journal of …, 2014 - Elsevier
In continuation of our efforts to find new biologically active agents, regioselective synthesis
of a series of 2-(3, 5-dimethyl-1H-pyrazol-1-yl)-1-arylethanones 4a–k has been achieved …

Synthesis, antimicrobial and antioxidant activity of pyrazole based sulfonamide derivatives

JR Badgujar, DH More, JS Meshram - Indian journal of microbiology, 2018 - Springer
A series of new sulfonamides have been synthesized from Ampyrone with different benzene
sulfonyl chlorides to yield the N-1, 5-dimethyl-3-oxo-2-phenyl-2, 3-dihydro-1 H-pyrazol-4-yl) …

Discovery of novel pyridazine-based cyclooxygenase-2 inhibitors with a promising gastric safety profile

A Khan, A Diwan, HK Thabet, M Imran, MA Bakht - Molecules, 2020 - mdpi.com
Cyclooxygenase-2 (COX-2) is implicated in the development of chronic inflammatory
diseases. Recently, pyridazine derivatives have emerged as a novel prototype to develop …

Efficacy of celecoxib for pain management after arthroscopic surgery of hip: a prospective randomized placebo-controlled study

Z Zhang, W Zhu, L Zhu, Y Du - European Journal of Orthopaedic Surgery & …, 2014 - Springer
The present work was conducted to examine whether celecoxib, a selective COX-2 inhibitor,
200 mg administered 1 h preoperatively to patients undergoing arthroscopic hip surgery …