{"id":11969,"date":"2023-01-05T03:42:49","date_gmt":"2023-01-04T19:42:49","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=11969"},"modified":"2023-01-05T03:42:49","modified_gmt":"2023-01-04T19:42:49","slug":"svistunova-i-v-et-al-published-their-research-in-russian-journal-of-general-chemistry-in-2008-cas-15953-73-8","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=11969","title":{"rendered":"Svistunova, I. V. et al. published their research in Russian Journal of General Chemistry in 2008 | CAS: 15953-73-8"},"content":{"rendered":"<p>\u03b1-Substituted boron difluoride acetylacetonates was written by Svistunova, I. V.;Fedorenko, E. V.. And the article was included in Russian Journal of General Chemistry in 2008.<a href=\"https:\/\/www.ambeed.com\/products\/15953-73-8.html\">HPLC of Formula: 15953-73-8<\/a> This article mentions the following:<\/p>\n<p>By treatment of \u03b1-substituted acetylacetone derivatives with boron trifluoride etherate, a series of earlier unknown boron difluoride complexes is obtained. The series includes binuclear complexes containing boron in the chelate fragment connected via sulfur or selenium atoms. Gas chromatog. and spectral characteristics of the obtained compounds were investigated. By means of chromato-mass spectrometry their reaction with hydrazine in acidic and alk. media was studied. In the experiment, the researchers used many compounds, for example, 4-Chloro-3,5-dimethyl-1H-pyrazole (cas: 15953-73-8<a href=\"https:\/\/www.ambeed.com\/products\/15953-73-8.html\">HPLC of Formula: 15953-73-8<\/a>).<\/p>\n<p>4-Chloro-3,5-dimethyl-1H-pyrazole (cas: 15953-73-8) belongs to pyrazole derivatives. The 1H-pyrazole provides an excellent means by which to provide the requisite hydrogen bond acceptor\u2013donor motifs, whether as a monocyclic ring or as a fused indazole ring. 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\/15953-73-8.html\">HPLC of Formula: 15953-73-8<\/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>4-Chloro-3,5-dimethyl-1H-pyrazole (cas: 15953-73-8) belongs to pyrazole derivatives. The 1H-pyrazole provides an excellent means by which to provide the requisite hydrogen bond acceptor\u2013donor motifs, whether as a monocyclic ring or as a fused indazole ring. 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\/15953-73-8.html\">HPLC of Formula: 15953-73-8<\/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-11969","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>Svistunova, I. V. et al. published their research in Russian Journal of General Chemistry in 2008 | CAS: 15953-73-8 | pyrazoles-derivatives<\/title>\n<meta name=\"description\" content=\"\u03b1-Substituted boron difluoride acetylacetonates was written by Svistunova, I. V.;Fedorenko, E. V.. And the article was included in Russian Journal of General Chemistry in 2008.HPLC of Formula: 15953-73-8 This article mentions the following:\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.pyrazoles-derivatives.com\/?p=11969\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Svistunova, I. V. et al. published their research in Russian Journal of General Chemistry in 2008 | CAS: 15953-73-8 | pyrazoles-derivatives\" \/>\n<meta property=\"og:description\" content=\"\u03b1-Substituted boron difluoride acetylacetonates was written by Svistunova, I. V.;Fedorenko, E. V.. 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