{"id":5912,"date":"2021-08-18T03:28:48","date_gmt":"2021-08-17T19:28:48","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=5912"},"modified":"2021-08-18T03:28:48","modified_gmt":"2021-08-17T19:28:48","slug":"continuously-updated-synthesis-method-about-4149-06-8-3","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=5912","title":{"rendered":"Continuously updated synthesis method about 4149-06-8"},"content":{"rendered":"

Electric Literature of 4149-06-8<\/a>, A common heterocyclic compound, 4149-06-8, name is 3-Amino-1-phenyl-1H-pyrazol-5(4H)-one, molecular formula is C9H9N3O, 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: 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

The synthetic route of 4149-06-8 has been constantly updated, and we look forward to future research findings.<\/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":"

The synthetic route of 4149-06-8 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":[283,131],"tags":[126],"class_list":["post-5912","post","type-post","status-publish","format-standard","hentry","category-4149-06-8","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nContinuously updated synthesis method about<\/title>\n<meta name=\"description\" content=\"Electric Literature of 4149-06-8, A common heterocyclic compound, 4149-06-8, name is 3-Amino-1-phenyl-1H-pyrazol-5(4H)-one, molecular formula is C9H9N3O, 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=5912\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Continuously updated synthesis method about\" \/>\n<meta property=\"og:description\" content=\"Electric Literature of 4149-06-8, A common heterocyclic compound, 4149-06-8, name is 3-Amino-1-phenyl-1H-pyrazol-5(4H)-one, molecular formula is C9H9N3O, 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=5912\" \/>\n<meta property=\"og:site_name\" content=\"pyrazoles-derivatives\" \/>\n<meta property=\"article:published_time\" content=\"2021-08-17T19:28:48+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=5912\",\"url\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=5912\",\"name\":\"Continuously updated synthesis method about\",\"isPartOf\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#website\"},\"datePublished\":\"2021-08-17T19:28:48+00:00\",\"author\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1\"},\"description\":\"Electric Literature of 4149-06-8, A common heterocyclic compound, 4149-06-8, name is 3-Amino-1-phenyl-1H-pyrazol-5(4H)-one, molecular formula is C9H9N3O, 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=5912#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.pyrazoles-derivatives.com\/?p=5912\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=5912#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.pyrazoles-derivatives.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Continuously updated synthesis method 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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