{"id":12266,"date":"2023-02-13T04:19:39","date_gmt":"2023-02-12T20:19:39","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=12266"},"modified":"2023-02-13T04:19:39","modified_gmt":"2023-02-12T20:19:39","slug":"aksamentova-t-n-et-al-published-their-research-in-russian-chemical-bulletin-in-1999-cas-54210-32-1","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=12266","title":{"rendered":"Aksamentova, T. N. et al. published their research in Russian Chemical Bulletin in 1999 | CAS: 54210-32-1"},"content":{"rendered":"<p>Dipole moment and tautomeric form of 3(5)-nitropyrazole in dioxane solution was written by Aksamentova, T. N.;Krivoruchka, I. G.;Elokhina, V. N.;Vokin, A. I.;Lopyrev, V. A.;Turchaninov, V. K.. And the article was included in Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya) in 1999.<a href=\"https:\/\/www.ambeed.com\/products\/54210-32-1.html\">Formula: C4H5N3O2<\/a> This article mentions the following:<\/p>\n<p>The dipole moments of 3(5)-nitropyrazole, its Me-substituted derivatives, and H-complexes with dioxane were measured exptl. and estimated by ab initio calculations (6-31G<sup>*<\/sup> basis set). Comparison of the exptl. and calculated dipole moments suggests a shift of the tautomeric equilibrium toward the 3-nitro isomer. In the experiment, the researchers used many compounds, for example, 1-Methyl-3-nitro-1H-pyrazole (cas: 54210-32-1<a href=\"https:\/\/www.ambeed.com\/products\/54210-32-1.html\">Formula: C4H5N3O2<\/a>).<\/p>\n<p>1-Methyl-3-nitro-1H-pyrazole (cas: 54210-32-1) belongs to pyrazole derivatives. The strategies for the synthesis of pyrazoles generally can be applied for the construction of indazoles. 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\/54210-32-1.html\">Formula: C4H5N3O2<\/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>1-Methyl-3-nitro-1H-pyrazole (cas: 54210-32-1) belongs to pyrazole derivatives. The strategies for the synthesis of pyrazoles generally can be applied for the construction of indazoles. 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\/54210-32-1.html\">Formula: C4H5N3O2<\/a><\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[833,131],"tags":[128],"class_list":["post-12266","post","type-post","status-publish","format-standard","hentry","category-54210-32-1","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>Aksamentova, T. N. et al. published their research in Russian Chemical Bulletin in 1999 | CAS: 54210-32-1 | pyrazoles-derivatives<\/title>\n<meta name=\"description\" content=\"Dipole moment and tautomeric form of 3(5)-nitropyrazole in dioxane solution was written by Aksamentova, T. N.;Krivoruchka, I. G.;Elokhina, V. N.;Vokin, A. I.;Lopyrev, V. A.;Turchaninov, V. K.. And the article was included in Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya) in 1999.Formula: C4H5N3O2 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=12266\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Aksamentova, T. N. et al. published their research in Russian Chemical Bulletin in 1999 | CAS: 54210-32-1 | pyrazoles-derivatives\" \/>\n<meta property=\"og:description\" content=\"Dipole moment and tautomeric form of 3(5)-nitropyrazole in dioxane solution was written by Aksamentova, T. N.;Krivoruchka, I. G.;Elokhina, V. N.;Vokin, A. I.;Lopyrev, V. A.;Turchaninov, V. K.. 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N. et al. published their research in Russian Chemical Bulletin in 1999 | CAS: 54210-32-1 | pyrazoles-derivatives\",\"isPartOf\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#website\"},\"datePublished\":\"2023-02-12T20:19:39+00:00\",\"author\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1\"},\"description\":\"Dipole moment and tautomeric form of 3(5)-nitropyrazole in dioxane solution was written by Aksamentova, T. N.;Krivoruchka, I. G.;Elokhina, V. N.;Vokin, A. I.;Lopyrev, V. A.;Turchaninov, V. K.. 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Pyrazole derivatives play an important role in antitumor agents.\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.pyrazoles-derivatives.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1\",\"name\":\"Jessica.F\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/weavatar.com\/avatar\/2d1cec2a99eeaad5a5b217c9cdbfb610?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/weavatar.com\/avatar\/2d1cec2a99eeaad5a5b217c9cdbfb610?s=96&d=mm&r=g\",\"caption\":\"Jessica.F\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Aksamentova, T. 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