{"id":11935,"date":"2023-01-04T08:11:31","date_gmt":"2023-01-04T00:11:31","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=11935"},"modified":"2023-01-04T08:11:31","modified_gmt":"2023-01-04T00:11:31","slug":"youssef-heba-et-al-published-their-research-in-chemistry-a-european-journal-in-2021-cas-45887-08-9","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=11935","title":{"rendered":"Youssef, Heba et al. published their research in Chemistry &#8211; A European Journal in 2021 | CAS: 45887-08-9"},"content":{"rendered":"<p>Variable Luminescence and Chromaticity of Homoleptic Frameworks of the Lanthanides together with Pyridylpyrazolates was written by Youssef, Heba;Sedykh, Alexander E.;Becker, Jonathan;Schafer, Thomas;Taydakov, Ilya V.;Li, Huanrong R.;Mueller-Buschbaum, Klaus. And the article was included in Chemistry &#8211; A European Journal in 2021.<a href=\"https:\/\/www.ambeed.com\/products\/45887-08-9.html\">Name: 3-(1H-Pyrazol-3-yl)pyridine<\/a> This article mentions the following:<\/p>\n<p>Homoleptic, 3D coordination polymers of the formula <sup>33<\/sup><sub>\u00e2\u0088?\/sub>[Ln(3-PyPz)<sub>3<\/sub>] and <sup>3<\/sup><sub>\u00e2\u0088?\/sub>[Ln(4-PyPz)<sub>3<\/sub>], (3-PyPz)<sup>&#8211;<\/sup> = 3-(3-pyridyl)pyrazolate anion, (4-PyPz)<sup>&#8211;<\/sup> = 3-(4-pyridyl)pyrazolate anion, both C<sub>8<\/sub>H<sub>6<\/sub>N<sub>3<\/sub><sup>&#8211;<\/sup>, Ln = Sm, Eu, Gd, Tb, Dy, were obtained as highly luminescent frameworks by reaction of the lanthanide metals (Ln) with the aromatic heterocyclic amine ligands 3-PyPzH and 4-PyPzH. The compounds form 2 isotypic series of 3D coordination polymers and exhibit fair thermal stability up to 360\u00c2\u00b0. The luminescence properties of all 10 compounds were determined in the solid state, with an antenna effect through ligand-metal energy transfer leading to high efficiency of the luminescence displayed by good quantum yields of up to 74%. The emission is mainly based on ion-specific lanthanide-dependent intra 4f-4f transitions for Tb<sup>3+<\/sup>: green, Dy<sup>3+<\/sup>: yellow, Sm<sup>3+<\/sup>: orange-red, Eu<sup>3+<\/sup>: red. For the Gd<sup>3+<\/sup>-containing compounds, the yellow emission of ligand triplet-based phosphorescence is observed at room temperature and 77 K. Codoping of the Gd-containing frameworks with Eu<sup>3+<\/sup> and Tb<sup>3+<\/sup> allow further shifting of the chromaticity towards white light emission. In the experiment, the researchers used many compounds, for example, 3-(1H-Pyrazol-3-yl)pyridine (cas: 45887-08-9<a href=\"https:\/\/www.ambeed.com\/products\/45887-08-9.html\">Name: 3-(1H-Pyrazol-3-yl)pyridine<\/a>).<\/p>\n<p>3-(1H-Pyrazol-3-yl)pyridine (cas: 45887-08-9) belongs to pyrazole derivatives. An alternative way to synthesize multisubstituted pyrazoles is the Csingle bondH arylation of simple pyrazoles. Pyrazole rings have been used as core components of several leading non-steroidal anti-inflammatory drugs (NSAIDs) and antihypertensive drugs. It has also been found to be useful as a bifunctional ligand for metal catalysis.<a href=\"https:\/\/www.ambeed.com\/products\/45887-08-9.html\">Name: 3-(1H-Pyrazol-3-yl)pyridine<\/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>3-(1H-Pyrazol-3-yl)pyridine (cas: 45887-08-9) belongs to pyrazole derivatives. An alternative way to synthesize multisubstituted pyrazoles is the Csingle bondH arylation of simple pyrazoles. Pyrazole rings have been used as core components of several leading non-steroidal anti-inflammatory drugs (NSAIDs) and antihypertensive drugs. It has also been found to be useful as a bifunctional ligand for metal catalysis.<a href=\"https:\/\/www.ambeed.com\/products\/45887-08-9.html\">Name: 3-(1H-Pyrazol-3-yl)pyridine<\/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-11935","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>Youssef, Heba et al. published their research in Chemistry - A European Journal in 2021 | CAS: 45887-08-9 | pyrazoles-derivatives<\/title>\n<meta name=\"description\" content=\"Variable Luminescence and Chromaticity of Homoleptic Frameworks of the Lanthanides together with Pyridylpyrazolates was written by Youssef, Heba;Sedykh, Alexander E.;Becker, Jonathan;Schafer, Thomas;Taydakov, Ilya V.;Li, Huanrong R.;Mueller-Buschbaum, Klaus. 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