{"id":10923,"date":"2022-11-10T04:21:56","date_gmt":"2022-11-09T20:21:56","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=10923"},"modified":"2022-11-10T04:21:56","modified_gmt":"2022-11-09T20:21:56","slug":"uzoukwu-b-a-s-team-published-research-in-journal-of-the-national-science-council-of-sri-lanka-in-1996-09-30-cas-1691-93-6","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=10923","title":{"rendered":"Uzoukwu, B. A.&#8217;s team published research in Journal of the National Science Council of Sri Lanka  in 1996-09-30 | CAS: 1691-93-6"},"content":{"rendered":"<p>Uzoukwu, B. A. published the artcile<b><i>Spectroscopic studies of Th(IV), La(III) and Pb(II) complexes of 4-trifluoroacetyl and 4-trichloroacetyl derivatives of 3-methyl-1-phenylpyrazol-5-one<\/i><\/b>,  <a href=\"https:\/\/www.ambeed.com\/products\/1691-93-6.html\">Product Details of C12H9F3N2O2<\/a>,  the main research area is  acetylpyrazolone lanthanum thorium lead complex preparation; lanthanum acetylpyrazolone complex preparation; thorium acetylpyrazolone complex preparation; lead acetylpyrazolone complex preparation.<\/p>\n<p>Th(IV), La(III) and Pb(II) complexes of 4-trifluoroacetyl and 4-trichloroacetyl derivatives of 3-methyl-1-phenylpyrazol-5-one were synthesized and characterized by elemental, UV, IR,1H and 13C NMR spectral studies. Spectral analyses show that the complexes are dehydrated and have the general mol. formula MLn where M(n) = Th(4),La(3) and Pb(2). The analyses further showed that the CO-M bond of metal-trifluoroacetylpyrazolonate complexes are weaker than the metal-trichloroacetylpyrazolonate complexes.<\/p>\n<p>Journal of the National Science Council of Sri Lanka published new progress about. 1691-93-6 belongs to class pyrazoles-derivatives, name is 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one, and the molecular formula is C12H9F3N2O2, <a href=\"https:\/\/www.ambeed.com\/products\/1691-93-6.html\">Product Details of C12H9F3N2O2<\/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>Journal of the National Science Council of Sri Lanka published new progress about. 1691-93-6 belongs to class pyrazoles-derivatives, name is 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one, and the molecular formula is C12H9F3N2O2, <a href=\"https:\/\/www.ambeed.com\/products\/1691-93-6.html\">Product Details of C12H9F3N2O2<\/a>.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[775,131],"tags":[740],"class_list":["post-10923","post","type-post","status-publish","format-standard","hentry","category-1691-93-6","category-pyrazoles-derivatives","tag-m-w250-300"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Uzoukwu, B. 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A. published the artcileSpectroscopic studies of Th(IV), La(III) and Pb(II) complexes of 4-trifluoroacetyl and 4-trichloroacetyl derivatives of 3-methyl-1-phenylpyrazol-5-one, Product Details of C12H9F3N2O2, the main research area is acetylpyrazolone lanthanum thorium lead complex preparation; lanthanum acetylpyrazolone complex preparation; thorium acetylpyrazolone complex preparation; lead acetylpyrazolone complex preparation.\" \/>\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=10923\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Uzoukwu, B. 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A. published the artcileSpectroscopic studies of Th(IV), La(III) and Pb(II) complexes of 4-trifluoroacetyl and 4-trichloroacetyl derivatives of 3-methyl-1-phenylpyrazol-5-one, Product Details of C12H9F3N2O2, the main research area is acetylpyrazolone lanthanum thorium lead complex preparation; lanthanum acetylpyrazolone complex preparation; thorium acetylpyrazolone complex preparation; lead acetylpyrazolone complex preparation.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.pyrazoles-derivatives.com\/?p=10923\" \/>\n<meta property=\"og:site_name\" content=\"pyrazoles-derivatives\" \/>\n<meta property=\"article:published_time\" content=\"2022-11-09T20:21:56+00:00\" \/>\n<meta name=\"author\" content=\"Jessica.F\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Jessica.F\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=10923\",\"url\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=10923\",\"name\":\"Uzoukwu, B. 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A. published the artcileSpectroscopic studies of Th(IV), La(III) and Pb(II) complexes of 4-trifluoroacetyl and 4-trichloroacetyl derivatives of 3-methyl-1-phenylpyrazol-5-one, Product Details of C12H9F3N2O2, the main research area is acetylpyrazolone lanthanum thorium lead complex preparation; lanthanum acetylpyrazolone complex preparation; thorium acetylpyrazolone complex preparation; lead acetylpyrazolone complex preparation.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=10923#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.pyrazoles-derivatives.com\/?p=10923\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=10923#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"http:\/\/www.pyrazoles-derivatives.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Uzoukwu, B. 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Pyrazole derivatives play an important role in antitumor agents.\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"http:\/\/www.pyrazoles-derivatives.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"http:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1\",\"name\":\"Jessica.F\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"http:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/cn.cravatar.com\/avatar\/2d1cec2a99eeaad5a5b217c9cdbfb610?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/cn.cravatar.com\/avatar\/2d1cec2a99eeaad5a5b217c9cdbfb610?s=96&d=mm&r=g\",\"caption\":\"Jessica.F\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Uzoukwu, B. 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A. published the artcileSpectroscopic studies of Th(IV), La(III) and Pb(II) complexes of 4-trifluoroacetyl and 4-trichloroacetyl derivatives of 3-methyl-1-phenylpyrazol-5-one, Product Details of C12H9F3N2O2, the main research area is acetylpyrazolone lanthanum thorium lead complex preparation; lanthanum acetylpyrazolone complex preparation; thorium acetylpyrazolone complex preparation; lead acetylpyrazolone complex preparation.","og_url":"https:\/\/www.pyrazoles-derivatives.com\/?p=10923","og_site_name":"pyrazoles-derivatives","article_published_time":"2022-11-09T20:21:56+00:00","author":"Jessica.F","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Jessica.F","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.pyrazoles-derivatives.com\/?p=10923","url":"https:\/\/www.pyrazoles-derivatives.com\/?p=10923","name":"Uzoukwu, B. 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