{"id":4760,"date":"2021-06-17T03:31:01","date_gmt":"2021-06-16T19:31:01","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=4760"},"modified":"2021-06-17T03:31:01","modified_gmt":"2021-06-16T19:31:01","slug":"the-important-role-of-28466-26-4-3","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=4760","title":{"rendered":"The important role of 28466-26-4"},"content":{"rendered":"

Electric Literature 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

Acetic anhydride (0.7 ml, 8.433 mmol) was added dropwise at 0 C. to 1H-pyrazol-4-amine (0.7 g, 8.433 mmol). The mixture was stirred for 30 min at RT and quenched by the addition of crushed ice. The mixture was extracted with ethyl acetate The combined organic layer was washed with water, brine and dried over sodium sulphate. The solvent was distilled off to afford the product in 54% yield. (0.6 g). LC-MS (ESI): Calculated mass: 125.0; Observed mass 126.0 [M+H]+ (rt: 0.115 min).<\/p>\n

Statistics shows that 4-Aminopyrazole is playing an increasingly important role. we look forward to future research findings about 28466-26-4.<\/p>\n

Reference:
Patent; Linnanen, Tero; Wohlfahrt, Gerd; Nanduri, Srinivas; Ujjinamatada, Ravi; Rajagopalan, Srinivasan; Mukherjee, Subhendu; US2015\/11548; (2015); A1;<\/a>,
Pyrazole – Wikipedia<\/a>,
Pyrazoles – an overview | ScienceDirect Topics<\/p>\n","protected":false},"excerpt":{"rendered":"

Statistics shows that 4-Aminopyrazole is playing an increasingly important role. we look forward to future research findings about 28466-26-4.<\/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-4760","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<\/title>\n<meta name=\"description\" content=\"Electric Literature 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=4760\" \/>\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\" \/>\n<meta property=\"og:description\" content=\"Electric Literature 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=4760\" \/>\n<meta property=\"og:site_name\" content=\"pyrazoles-derivatives\" \/>\n<meta property=\"article:published_time\" content=\"2021-06-16T19:31:01+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=4760\",\"url\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=4760\",\"name\":\"The important role of\",\"isPartOf\":{\"@id\":\"http:\/\/www.pyrazoles-derivatives.com\/#website\"},\"datePublished\":\"2021-06-16T19:31:01+00:00\",\"author\":{\"@id\":\"http:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1\"},\"description\":\"Electric Literature 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=4760#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.pyrazoles-derivatives.com\/?p=4760\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=4760#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"http:\/\/www.pyrazoles-derivatives.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"The important role of 28466-26-4\"}]},{\"@type\":\"WebSite\",\"@id\":\"http:\/\/www.pyrazoles-derivatives.com\/#website\",\"url\":\"http:\/\/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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