{"id":12059,"date":"2023-01-06T03:46:33","date_gmt":"2023-01-05T19:46:33","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=12059"},"modified":"2023-01-06T03:46:33","modified_gmt":"2023-01-05T19:46:33","slug":"lang-johannes-et-al-published-their-research-in-physical-chemistry-chemical-physics-in-2014-cas-19959-77-4","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=12059","title":{"rendered":"Lang, Johannes et al. published their research in Physical Chemistry Chemical Physics in 2014 | CAS: 19959-77-4"},"content":{"rendered":"<p>Two-color delay dependent IR probing of torsional isomerization in a [AgL<sub>1<\/sub>L<sub>2<\/sub>]<sup>+<\/sup> complex was written by Lang, Johannes;Gaffga, Maximilian;Menges, Fabian;Niedner-Schatteburg, Gereon. And the article was included in Physical Chemistry Chemical Physics in 2014.<a href=\"https:\/\/www.ambeed.com\/products\/19959-77-4.html\">SDS of cas: 19959-77-4<\/a> This article mentions the following:<\/p>\n<p>Two-color IR multiple photon dissociation (2c-IR-MPD) spectroscopy with delayed pulses indicates a torsional isomerization in a &#8220;ligand-metal-chelate&#8221; complex [AgL<sub>1<\/sub>L<sub>2<\/sub>]<sup>+<\/sup>. Ab initio calculations reveal the torsional barrier as well as the change in vibrational frequencies and IR intensities along the isomerization pathway. The current approach bears prospects for further elucidation of competing interactions within naked or microsolvated complexes in gas phase coordination chem. 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\">SDS of cas: 19959-77-4<\/a>).<\/p>\n<p>2-(5-Methyl-1H-pyrazol-3-yl)pyridine (cas: 19959-77-4) belongs to pyrazole derivatives. Pyrazole has two ring nitrogen atoms in which N1 is pyrrolic and N2 is pyridine-like. The N1 nitrogen is not reactive but is deprotonated in the presence of a base-forming anion. 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\">SDS of cas: 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 has two ring nitrogen atoms in which N1 is pyrrolic and N2 is pyridine-like. The N1 nitrogen is not reactive but is deprotonated in the presence of a base-forming anion. 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\">SDS of cas: 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-12059","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>Lang, Johannes et al. published their research in Physical Chemistry Chemical Physics in 2014 | CAS: 19959-77-4 | pyrazoles-derivatives<\/title>\n<meta name=\"description\" content=\"Two-color delay dependent IR probing of torsional isomerization in a [AgL1L2]+ complex was written by Lang, Johannes;Gaffga, Maximilian;Menges, Fabian;Niedner-Schatteburg, Gereon. 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