{"id":1286,"date":"2020-12-25T10:57:49","date_gmt":"2020-12-25T02:57:49","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=1286"},"modified":"2020-12-25T10:57:49","modified_gmt":"2020-12-25T02:57:49","slug":"the-important-role-of-28466-26-4-2","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=1286","title":{"rendered":"The important role of 28466-26-4"},"content":{"rendered":"

Application of 28466-26-4<\/a>, These common heterocyclic compound, 28466-26-4, name is 4-Aminopyrazole, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route.<\/p>\n

General procedure: N,N-Diisopropylethylamine (3.0-4.0 eq) was added to 8-methoxyquinoline-3-carboxylic acid (1.0 eq) in solvent (dichloromethane, tetrahydrofuran,or N,N-dimethylformamide, 0.05 to 0.2 M) at room temperature. Then, 1-((dimethylamino)(dimethyliminio)methyl)-1H-[1,2,3]triazolo[4,5-b]pyridine 3-oxide hexafluorophosphate(V)(1.0-1.5 eq) was added and the reaction mixture was stirred for five minutes. Then, amine (1.0 – 2.0 eq) was added and the reaction mixture was stirred for one to sixteen hours. 10% Aqueous citric acid was added and the reaction mixture was extracted with dichloromethane, washed with saturated sodium bicarbonate, dried over magnesium sulfate, filtered,and concentrated. The resulting residue was purified by RP HPLC or silica gel chromatography to give the quinoline-3-carboxamide (1%-95% yield).<\/p>\n

The synthetic route of 28466-26-4 has been constantly updated, and we look forward to future research findings.<\/p>\n","protected":false},"excerpt":{"rendered":"

The synthetic route of 28466-26-4 has been constantly updated, and we look forward to future research findings.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[144,131],"tags":[145],"class_list":["post-1286","post","type-post","status-publish","format-standard","hentry","category-28466-26-4","category-pyrazoles-derivatives","tag-m-w0-100"],"yoast_head":"\nThe important role of 28466-26-4<\/title>\n<meta name=\"description\" content=\"Application of 28466-26-4, These common heterocyclic compound, 28466-26-4, name is 4-Aminopyrazole, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route.\" \/>\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=1286\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The important role of 28466-26-4\" \/>\n<meta property=\"og:description\" content=\"Application of 28466-26-4, These common heterocyclic compound, 28466-26-4, name is 4-Aminopyrazole, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.pyrazoles-derivatives.com\/?p=1286\" \/>\n<meta property=\"og:site_name\" content=\"pyrazoles-derivatives\" \/>\n<meta property=\"article:published_time\" content=\"2020-12-25T02:57:49+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=1286\",\"url\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=1286\",\"name\":\"The important role of 28466-26-4\",\"isPartOf\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#website\"},\"datePublished\":\"2020-12-25T02:57:49+00:00\",\"author\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1\"},\"description\":\"Application of 28466-26-4, These common heterocyclic compound, 28466-26-4, name is 4-Aminopyrazole, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=1286#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.pyrazoles-derivatives.com\/?p=1286\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=1286#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.pyrazoles-derivatives.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"The important role of 28466-26-4\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#website\",\"url\":\"https:\/\/www.pyrazoles-derivatives.com\/\",\"name\":\"pyrazoles-derivatives\",\"description\":\"Several pyrazole derivatives possess important pharmacological activities and they have been proved useful materials in drug research. 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