{"id":11963,"date":"2023-01-05T03:42:49","date_gmt":"2023-01-04T19:42:49","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=11963"},"modified":"2023-01-05T03:42:49","modified_gmt":"2023-01-04T19:42:49","slug":"marzin-c-et-al-published-their-research-in-new-journal-of-chemistry-in-1987-cas-19959-77-4","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=11963","title":{"rendered":"Marzin, C. et al. published their research in New Journal of Chemistry in 1987 | CAS: 19959-77-4"},"content":{"rendered":"<p>New ruthenium(II) complexes with pyridinopyrazole and pyridinopyrazoline ligands:  structure study by proton, carbon-13, and ruthenium-99 NMR was written by Marzin, C.;Budde, F.;Steel, P. J.;Lerner, D.. And the article was included in New Journal of Chemistry in 1987.<a href=\"https:\/\/www.ambeed.com\/products\/19959-77-4.html\">Application of 19959-77-4<\/a> This article mentions the following:<\/p>\n<p>RuL<sub>3<\/sub><sup>2+<\/sup> (<strong>I<\/strong>), Ru(bpy)L<sub>2<\/sub><sup>2+<\/sup> (<strong>II<\/strong>) and Ru(bpy)<sub>2<\/sub>L<sup>2+<\/sup> (<strong>III<\/strong>) (bpy = 2,2&#8242;-bipyridine; L = pyridinopyrazoles and pyridinopyrazolines) were prepared; their study allows the evaluation of the ligand \u03c0-acceptor ability on the complex properties; especially <sup>99<\/sup>Ru NMR and Ru<sup>2+<\/sup>\/Ru<sup>3+<\/sup> oxidation potential measurements show a good \u03c0-acceptor behavior of 1 of the pyridinopyrazoline ligands. All <strong>II<\/strong> and <strong>III<\/strong> and most of <strong>I<\/strong>, emit at 77 K which is rather unusual; 1 of these gives rise to a double emission, possibly from 2 isomers. <sup>1<\/sup>H and <sup>13<\/sup>C NMR studies show the presence of geometric isomers for <strong>I<\/strong> and <strong>II<\/strong> and of diastereoisomeric ones for <strong>I<\/strong>&#8211;<strong>III<\/strong> when L includes a pyrazoline unit. 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\">Application of 19959-77-4<\/a>).<\/p>\n<p>2-(5-Methyl-1H-pyrazol-3-yl)pyridine (cas: 19959-77-4) belongs to pyrazole derivatives. Pyrazole and its derivatives are considered a pharmacologically important active scaffold that possesses almost all types of pharmacological activities.  Pyrazoles can be selectively lithiated at different carbons and subsequently react with electrophiles depending on the substitution patterns.<a href=\"https:\/\/www.ambeed.com\/products\/19959-77-4.html\">Application 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. Pyrazole and its derivatives are considered a pharmacologically important active scaffold that possesses almost all types of pharmacological activities.  Pyrazoles can be selectively lithiated at different carbons and subsequently react with electrophiles depending on the substitution patterns.<a href=\"https:\/\/www.ambeed.com\/products\/19959-77-4.html\">Application 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-11963","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>Marzin, C. et al. published their research in New Journal of Chemistry in 1987 | CAS: 19959-77-4 | pyrazoles-derivatives<\/title>\n<meta name=\"description\" content=\"New ruthenium(II) complexes with pyridinopyrazole and pyridinopyrazoline ligands: structure study by proton, carbon-13, and ruthenium-99 NMR was written by Marzin, C.;Budde, F.;Steel, P. 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