145353-53-3Relevant academic research and scientific papers
Discovery of pyrazole N-aryl sulfonate: A novel and highly potent cyclooxygenase-2 (COX-2) selective inhibitors
Guo, Quanping,Wang, Mengran,Wang, Rui,Xu, Zhaoqing,Yao, Haiyan
, (2021/08/25)
Based on a new pyrazole sulfonate synthetic method, a novel class of molecules with a basic structure of pyrazole N-aryl sulfonate have been designed and synthesized. The interest in conducting intensive research stems from quite evident anti-inflammatory effects exhibited by the compounds in preliminary animal experiments. A series of compounds were synthesized by different substitutions of the R1, R2, and R3 groups. Within the series, 4-iodophenyl 5-methyl-3-(p-tolyl)-1H-pyrazole-1-sulfonate and phenyl 5-methyl-3-(4-(trifluoromethyl) phenyl)-1H-pyrazole-1-sulfonate exhibited excellent anti-inflammatory activity (% inhibition of auricular edemas = 27.0 and 35.9, respectively); the in vivo analgesic activity of phenyl 5-methyl-3-(p-tolyl)-1H-pyrazole-1-sulfonate and 2-chlorophenyl 5-methyl-3-(p-tolyl)-1H-pyrazole-1-sulfonate was confirmed to be effective (inhibition ratio of writhing = 50.7% and 48.5% separately), and compounds phenyl 5-methyl-3-(p-tolyl)-1H-pyrazole-1-sulfonate, 4-iodophenyl 5-methyl-3-(p-tolyl)-1H-pyrazole-1-sulfonate and 2-chlorophenyl 5-methyl-3-(p-tolyl)-1H-pyrazole-1-sulfonate were identified as selective COX-2 inhibitors (SI = 455, 10,497 and >189 severally). In Acute Oral Toxicity assays conducted in vivo, the lethal dose 50 (LD50) of 4-iodophenyl 5-methyl-3-(p-tolyl)-1H-pyrazole-1-sulfonate and 2-chlorophenyl 5-methyl-3-(p-tolyl)-1H-pyrazole-1-sulfonate to mice was >2000 mg/kg BW.
Monohydrochloride Assisted Synthesis of Functionalized Isoxazoles and Pyrazoles from Allenic Ketones: First Synthesis of (Z)-2-Methyl-7H-benzo[b]pyrazolo[5,1-d][1,5]oxazocines
Sarkar, Debayan,Sahoo, Sushree Ranjan
, p. 2035 - 2049 (2019/03/07)
A facile hydrochloride promoted regioselective synthesis of isoxazoles and pyrazoles from 1,2-allenic ketones is reported. The reaction has been scaled up to gram scale. A direct 8-endo dig ring annulations towards the first synthesis of (Z)-2-methyl-7H-b
Discovery of novel 5-methyl-1H-pyrazole derivatives as potential antiprostate cancer agents: Design, synthesis, molecular modeling, and biological evaluation
Zhang, Daoguang,Asnake, Solomon,Zhang, Jingya,Olsson, Per-Erik,Zhao, Guisen
, p. 1113 - 1124 (2018/03/05)
Androgen receptor (AR) signaling functions as a core driving force for the progression of prostate cancer (PCa), and AR has been proved to be an effective therapeutic target even for castration-resistant prostate cancer (CRPC). Herein, structural modification via a fragments splicing strategy was performed based on two lead compounds T3 and 10e, leading to the discovery of a series of 5-methyl-1H-pyrazole derivatives. AR reporter gene assay revealed compounds A13 and A14 as potent AR antagonists. Some of the compounds in this series inhibited growth of PCa LNCaP cells more efficiently than enzalutamide. A13 and A14 also showed improved metabolic stability compared with 10e in human liver microsomes.
Pyrazole compound containing N-aryl sulfonate and synthesis and application thereof
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, (2018/07/10)
The invention discloses a pyrazole compound containing N-aryl sulfonate. A structural formula of the pyrazole compound is shown in the description. Proofed by pharmacological study, the pyrazole compound has the advantages that the activity of cyclooxygenase 2 is inhibited; the high-efficiency inhibition function on the generation of cyclooxygenase 2 due to inflammation mediums is realized, so that the pyrazole compound can be used as an active matter, and the prepared anti-inflammation medicine can be used for treating the inflammations, such as rheumatic arthritis and rheumatalgia, and the diseases and symptoms, such as fevers.
Clean and efficient synthesis of pyrazole derivatives in aqueous media
Xu, Pan,Xi, Yu-Kun,Chen, Hui,Shi, Da-Qing
, p. 611 - 613 (2015/03/30)
A series of 5-aryl-1H-pyrazole derivatives were synthesized via the reaction of 3-(dimethylamino)-1-arylprop-2-en-1-one with hydrazine in aqueous media without using any catalyst. This method has the advantages of easier work-up, mild reaction condition, high yields, and an environmentally benign procedure.
An efficient synthesis of isoxazoles and pyrazoles under ultrasound irradiation
Huang, Zhi-Bin,Li, Li-Li,Zhao, Yan-Wei,Wang, Hui-Yuan,Shi, Da-Qing
, p. E309-E313 (2014/11/07)
A series of 5-arylisoxazole and 5-aryl-1H-pyrazole derivatives was synthesized by the reaction of 3-(dimethylamino)-1-arylprop-2-en-1-one with hydroxylamine hydrochloride or hydrazine hydrate under ultrasound irradiation without using any catalyst. This m
A simple and efficient synthesis of pyrazoles in water
Wen, Jun,Fu, Yun,Zhang, Ruo-Yi,Zhang, Ji,Chen, Shan-Yong,Yu, Xiao-Qi
, p. 9618 - 9621 (2011/12/14)
A simple, highly efficient, and environmentally friendly method for the synthesis of substituted 1H-pyrazoles by one-pot condensation reaction of α,β-unsaturated carbonyl compounds with tosyl hydrazide in water was developed. The reaction system exhibited tolerance with various functional groups, Aromatic moiety with both electron-rich and electron-deficient substituents could give desired products in good to excellent yields.
A regioselective synthesis of some new pyrazol-1′-ylpyrazolo[1,5-a] pyrimidines in aqueous medium and their evaluation as antimicrobial agents
Aggarwal, Ranjana,Sumran, Garima,Garg, Neelam,Aggarwal, Ashok
experimental part, p. 3038 - 3046 (2011/07/08)
An efficient and environmental benign regioselective synthesis of some new pyrazol-1′-ylpyrazolo[1,5-a]pyrimidines (7b-h) has been accomplished via treatment of 3(5)-amino-5(3)-hydrazinopyrazole dihydrochloride (5) with several unsymmetrical 1,3-diketones (6b-h) using water as a solvent without any catalysts or additives. The structure of 7b-h was established on the basis of rigorous analysis of 1H, 13C NMR, IR spectral data and MS. Eight compounds (7a-h) were screened for their antibacterial activity against two gram-positive and two gram-negative bacteria and compounds (7a, b, d and e) for antifungal activity against four phytopathogenic fungi. Compounds 7c and 7e manifest rather broad antibacterial activity than standard antibiotics. One lead compound, 7a (10 mg/ml and 200 mg/ml) exhibited equipotent or more potent antifungal activity against all tested microorganisms than standard drug.
NOVEL PHENYLPROPIONIC ACID DERIVATIVES AS PEROXISOME PROLIFERATOR-ACTIVATED GAMMA RECEPTOR MODULATORS, METHOD OF THE SAME, AND PHARMACEUTICAL COMPOSITION COMPRISING THE SAME
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Page/Page column 38, (2010/04/23)
The present invention provides a novel phenylpropionic acid derivative and a PPAR-γ modulator comprising the same as an active ingredient. The phenylpropionic acid derivative of the present invention has modulatory action on function of PPAR-γ and then exhibits hypoglycemic, hypolipidemic and insulin resistance-reducing effects on PPAR-mediated diseases or disorders. Therefore, the present invention is prophylactically or therapeutically effective for diabetes and metabolic diseases.
NOVEL PHENYLPROPIONIC ACID DERIVATIVES AS PEROXISOME PROLIFERATOR-ACTIVATED GAMMA RECEPTOR MODULATORS, METHOD OF THE SAME, AND PHARMACEUTICAL COMPOSITION COMPRISING THE SAME
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, (2008/12/08)
The present invention provides a novel phenylpropionic acid derivative and a PPAR-γ modulator comprising the same as an active ingredient. The phenylpropionic acid derivative of the present invention has modulatory action on function of PPAR-γ and then exhibits hypoglycemic, hypolipidemic and insulin resistance-reducing effects on PPAR-mediated diseases or disorders. Therefore, the present invention is prophylactically or therapeutically effective for diabetes and metabolic diseases.
