{"id":4472,"date":"2021-06-03T04:02:16","date_gmt":"2021-06-02T20:02:16","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=4472"},"modified":"2021-06-03T04:02:16","modified_gmt":"2021-06-02T20:02:16","slug":"introduction-of-a-new-synthetic-route-about-4149-06-8","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=4472","title":{"rendered":"Introduction of a new synthetic route about 4149-06-8"},"content":{"rendered":"

Application of 4149-06-8<\/a>,Some common heterocyclic compound, 4149-06-8, name is 3-Amino-1-phenyl-1H-pyrazol-5(4H)-one, molecular formula is C9H9N3O, 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: The mixture of alpha,beta-unsaturated ketone 1, or 4 (1.0 mmol), 3-amino-1-phenyl-1H-pyrazol-5(4H)-one 2 (1.0 mmol), p-TSAxH2O (0.3mmol), MeCN (4mL), H2O (4mL) was put in a reaction flask under 80 C about 1-3 h (monitored by TLC). After completion, the reaction mixture was cooled to room temperature and the products would be precipitated out at same time. Then, it was filtered, washed thoroughly with MeCN. The products were recrystallized from DMF.<\/p>\n

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 3-Amino-1-phenyl-1H-pyrazol-5(4H)-one, its application will become more common.<\/p>\n

Reference:
Article; Xu, Shuangshuang; Wang, Zhansheng; Li, Xiuling; Rong, Liangce; Tu, Shu-Jiang; Tetrahedron; vol. 72; 38; (2016); p. 5754 – 5761;<\/a>,
Pyrazole – Wikipedia<\/a>,
Pyrazoles – an overview | ScienceDirect Topics<\/p>\n","protected":false},"excerpt":{"rendered":"

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 3-Amino-1-phenyl-1H-pyrazol-5(4H)-one, its application will become more common.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[283,131],"tags":[126],"class_list":["post-4472","post","type-post","status-publish","format-standard","hentry","category-4149-06-8","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nIntroduction of a new synthetic route about<\/title>\n<meta name=\"description\" content=\"Application of 4149-06-8,Some common heterocyclic compound, 4149-06-8, name is 3-Amino-1-phenyl-1H-pyrazol-5(4H)-one, molecular formula is C9H9N3O, 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=\"http:\/\/www.pyrazoles-derivatives.com\/?p=4472\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Introduction of a new synthetic route about\" \/>\n<meta property=\"og:description\" content=\"Application of 4149-06-8,Some common heterocyclic compound, 4149-06-8, name is 3-Amino-1-phenyl-1H-pyrazol-5(4H)-one, molecular formula is C9H9N3O, 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=\"http:\/\/www.pyrazoles-derivatives.com\/?p=4472\" \/>\n<meta property=\"og:site_name\" content=\"pyrazoles-derivatives\" \/>\n<meta property=\"article:published_time\" content=\"2021-06-02T20:02:16+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\":\"http:\/\/www.pyrazoles-derivatives.com\/?p=4472\",\"url\":\"http:\/\/www.pyrazoles-derivatives.com\/?p=4472\",\"name\":\"Introduction of a new synthetic route about\",\"isPartOf\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#website\"},\"datePublished\":\"2021-06-02T20:02:16+00:00\",\"author\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1\"},\"description\":\"Application of 4149-06-8,Some common heterocyclic compound, 4149-06-8, name is 3-Amino-1-phenyl-1H-pyrazol-5(4H)-one, molecular formula is C9H9N3O, 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\":\"http:\/\/www.pyrazoles-derivatives.com\/?p=4472#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"http:\/\/www.pyrazoles-derivatives.com\/?p=4472\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"http:\/\/www.pyrazoles-derivatives.com\/?p=4472#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.pyrazoles-derivatives.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Introduction of a new synthetic route about 4149-06-8\"}]},{\"@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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