{"id":11948,"date":"2023-01-04T08:13:19","date_gmt":"2023-01-04T00:13:19","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=11948"},"modified":"2023-01-04T08:13:19","modified_gmt":"2023-01-04T00:13:19","slug":"yao-haiyan-et-al-published-their-research-in-bioorganic-medicinal-chemistry-in-2021-cas-19959-77-4","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=11948","title":{"rendered":"Yao, Haiyan et al. published their research in Bioorganic &amp; Medicinal Chemistry in 2021 | CAS: 19959-77-4"},"content":{"rendered":"<p>Discovery of pyrazole N-aryl sulfonate: A novel and highly potent cyclooxygenase-2 (COX-2) selective inhibitors was written by Yao, Haiyan;Guo, Quanping;Wang, Mengran;Wang, Rui;Xu, Zhaoqing. And the article was included in Bioorganic &amp; Medicinal Chemistry in 2021.<a href=\"https:\/\/www.ambeed.com\/products\/19959-77-4.html\">Product Details of 19959-77-4<\/a> This article mentions the following:<\/p>\n<p>Based on a new pyrazole sulfonate synthetic method, a novel class of mols. 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 Ph 5-methyl-3-(4-(trifluoromethyl) phenyl)-1H-pyrazole-1-sulfonate exhibited excellent anti-inflammatory activity (% inhibition of auricular edemas = 27.0 and 35.9, resp.); the in vivo analgesic activity of Ph 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% sep.), and compounds Ph 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 &gt;189 severally). In Acute Oral Toxicity assays conducted in vivo, the LD 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 &gt;2000 mg\/kg BW. In the experiment, the researchers used many compounds, for example, 2-(5-Methyl-1H-pyrazol-3-yl)pyridine (cas: 19959-77-4<a href=\"https:\/\/www.ambeed.com\/products\/19959-77-4.html\">Product Details of 19959-77-4<\/a>).<\/p>\n<p>2-(5-Methyl-1H-pyrazol-3-yl)pyridine (cas: 19959-77-4) belongs to pyrazole derivatives. The strategies for the synthesis of pyrazoles generally can be applied for the construction of indazoles. The pyrazole ring is resistant to oxidation and reduction but the groups, such as alkyl and formyl attached to the ring, are oxidized to respective acids. Only electrolytic oxidation, ozonolysis, and a strong base cause ring opening.<a href=\"https:\/\/www.ambeed.com\/products\/19959-77-4.html\">Product Details of 19959-77-4<\/a><\/p>\n<p>Referemce:<br \/><a href=\"https:\/\/en.wikipedia.org\/wiki\/Pyrazole\">Pyrazole &#8211; Wikipedia<\/a>,<br \/><a href=\"https:\/\/www.sciencedirect.com\/topics\/chemistry\/pyrazoles\">Pyrazoles &#8211; an overview | ScienceDirect Topics<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>2-(5-Methyl-1H-pyrazol-3-yl)pyridine (cas: 19959-77-4) belongs to pyrazole derivatives. The strategies for the synthesis of pyrazoles generally can be applied for the construction of indazoles. The pyrazole ring is resistant to oxidation and reduction but the groups, such as alkyl and formyl attached to the ring, are oxidized to respective acids. Only electrolytic oxidation, ozonolysis, and a strong base cause ring opening.<a href=\"https:\/\/www.ambeed.com\/products\/19959-77-4.html\">Product Details of 19959-77-4<\/a><\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[131],"tags":[128],"class_list":["post-11948","post","type-post","status-publish","format-standard","hentry","category-pyrazoles-derivatives","tag-100-200"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Yao, Haiyan et al. published their research in Bioorganic &amp; Medicinal Chemistry in 2021 | CAS: 19959-77-4 | pyrazoles-derivatives<\/title>\n<meta name=\"description\" content=\"Discovery of pyrazole N-aryl sulfonate: A novel and highly potent cyclooxygenase-2 (COX-2) selective inhibitors was written by Yao, Haiyan;Guo, Quanping;Wang, Mengran;Wang, Rui;Xu, Zhaoqing. 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