{"id":12201,"date":"2023-02-09T10:49:41","date_gmt":"2023-02-09T02:49:41","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=12201"},"modified":"2023-02-09T10:49:41","modified_gmt":"2023-02-09T02:49:41","slug":"prananto-yuniar-p-et-al-published-their-research-in-australian-journal-of-chemistry-in-2009-cas-45887-08-9","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=12201","title":{"rendered":"Prananto, Yuniar P. et al. published their research in Australian Journal of Chemistry in 2009 | CAS: 45887-08-9"},"content":{"rendered":"<p>Solvent-Induced Structural Changes in Complexes of 1,2-Bis(3-(3-pyridyl)pyrazolyl)ethane was written by Prananto, Yuniar P.;Turner, David R.;Lu, Jinzhen;Batten, Stuart R.. And the article was included in Australian Journal of Chemistry in 2009.<a href=\"https:\/\/www.ambeed.com\/products\/45887-08-9.html\">Recommanded Product: 3-(1H-Pyrazol-3-yl)pyridine<\/a> This article mentions the following:<\/p>\n<p>A series of complexes were obtained using the flexible ditopic ligand 1,2-bis(3-(3-pyridyl)pyrazolyl)ethane (L<sup>Et<\/sup>) with M(SCN)<sub>2<\/sub> (M = Co, Fe) and ZnCl<sub>2<\/sub>. The ligand exists in a variety of conformations with rotations around the ethane spacer and around the pyridyl\/pyrazole bond. The bridging length of the ligand (i.e., distance between pyridyl nitrogen atoms) varies by 3.5 \u00c5 depending on its geometry. Three different cobalt(II) complexes of the general form [Co(L<sup>Et<\/sup>)<sub>2<\/sub>(SCN)<sub>2<\/sub>]\u00b7Solv (Solv is a variable number\/type of non-coordinated solvent) were structurally characterized and form a series of solvent dependant supramol. isomers. When Solv = 2MeCN a (4,4)-sheet is formed (<strong>1<\/strong>), however, when Solv = H<sub>2<\/sub>O an alternate collapsed (4,4)-sheet is observed (<strong>2<\/strong>). Changing the solvent to two mols. of N,N-dimethylformamide (DMF) leads to a radical change in structure with a one-dimensional (1D) polymer formed (<strong>3<\/strong>) that contains two bridging ligands between adjacent metal atoms (i.e., maintaining the same metal\/ligand ratio as in the (4,4)-sheet structures). A monomeric thiocyanate complex [Fe(L<sup>Et<\/sup>)<sub>2<\/sub>(SCN)<sub>2<\/sub>(H<sub>2<\/sub>O)<sub>2<\/sub>] (<strong>4<\/strong>) is reported in which the bispyridyl ligands are terminal and partake in an extended hydrogen-bonded network. A 1D polymer [Zn(L<sup>Et<\/sup>)Cl<sub>2<\/sub>] (<strong>5<\/strong>) is also presented. The structures of the metal complexes are contrasted with that of the free ligand. 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\">Recommanded Product: 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. Protonation of pyrazole in strong acid leads to pyrazolium cations, which undergo electrophilic substitution preferentially at C3 rather than C4. The pyrazole anion is not reactive toward nucleophiles but is mostly reactive to electrophiles.<a href=\"https:\/\/www.ambeed.com\/products\/45887-08-9.html\">Recommanded Product: 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. Protonation of pyrazole in strong acid leads to pyrazolium cations, which undergo electrophilic substitution preferentially at C3 rather than C4. The pyrazole anion is not reactive toward nucleophiles but is mostly reactive to electrophiles.<a href=\"https:\/\/www.ambeed.com\/products\/45887-08-9.html\">Recommanded Product: 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":[831,131],"tags":[128],"class_list":["post-12201","post","type-post","status-publish","format-standard","hentry","category-45887-08-9","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>Prananto, Yuniar P. et al. published their research in Australian Journal of Chemistry in 2009 | CAS: 45887-08-9 | pyrazoles-derivatives<\/title>\n<meta name=\"description\" content=\"Solvent-Induced Structural Changes in Complexes of 1,2-Bis(3-(3-pyridyl)pyrazolyl)ethane was written by Prananto, Yuniar P.;Turner, David R.;Lu, Jinzhen;Batten, Stuart R.. 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