{"id":6174,"date":"2021-09-03T03:56:09","date_gmt":"2021-09-02T19:56:09","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=6174"},"modified":"2021-09-03T03:56:09","modified_gmt":"2021-09-02T19:56:09","slug":"9-3-21-news-a-new-synthetic-route-of-5334-40-7","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=6174","title":{"rendered":"9\/3\/21 News A new synthetic route of 5334-40-7"},"content":{"rendered":"

Related Products of 5334-40-7<\/a>, These common heterocyclic compound, 5334-40-7, name is 4-Nitro-1H-pyrazole-3-carboxylic acid, 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

4-(morpholinomethyl)phenyl-1,2-diamine (2.3 g, 1.11 mmol),4-nitro-1H-pyrazole-3-carboxylic acid (1.57 g, 1 mmol),EDCl (2.13 g, 1.11 mmol) and HOBt (1.5 g, 1.11 mmol)Dissolved in dry DMF (25 mL) and stirred at rt overnight.The solvent was removed under reduced pressure, was added glacial acetic acid (40 mL), was heated to reflux for 3 hours.The solvent was removed under reduced pressure and purified by column (dichloromethane\/methanol (v\/v) = 10\/1).Then wash with methanol (10 mL),Methanol-insoluble product as a yellow solid that is, to give the product (0.9g, 27percent).<\/p>\n

The synthetic route of 5334-40-7 has been constantly updated, and we look forward to future research findings.<\/p>\n

Reference:
Patent; Guangdong Dongyangguang Pharmaceutical Co., Ltd.; Liu Bing; Zhang Yingjun; Zhang Jiquan; Li Yanping; Yang Xueqi; Zhang Jiancun; Zheng Changchun; (91 pag.)CN104211692; (2019); B;<\/a>,
Pyrazole – Wikipedia<\/a>,
Pyrazoles – an overview | ScienceDirect Topics<\/p>\n","protected":false},"excerpt":{"rendered":"

The synthetic route of 5334-40-7 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":[153,131],"tags":[126],"class_list":["post-6174","post","type-post","status-publish","format-standard","hentry","category-5334-40-7","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nA new synthetic route of<\/title>\n<meta name=\"description\" content=\"Related Products of 5334-40-7, These common heterocyclic compound, 5334-40-7, name is 4-Nitro-1H-pyrazole-3-carboxylic acid, 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=6174\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"A new synthetic route of\" \/>\n<meta property=\"og:description\" content=\"Related Products of 5334-40-7, These common heterocyclic compound, 5334-40-7, name is 4-Nitro-1H-pyrazole-3-carboxylic acid, 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=6174\" \/>\n<meta property=\"og:site_name\" content=\"pyrazoles-derivatives\" \/>\n<meta property=\"article:published_time\" content=\"2021-09-02T19:56:09+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=6174\",\"url\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=6174\",\"name\":\"A new synthetic route of\",\"isPartOf\":{\"@id\":\"http:\/\/www.pyrazoles-derivatives.com\/#website\"},\"datePublished\":\"2021-09-02T19:56:09+00:00\",\"author\":{\"@id\":\"http:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1\"},\"description\":\"Related Products of 5334-40-7, These common heterocyclic compound, 5334-40-7, name is 4-Nitro-1H-pyrazole-3-carboxylic acid, 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=6174#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.pyrazoles-derivatives.com\/?p=6174\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=6174#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"http:\/\/www.pyrazoles-derivatives.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"9\/3\/21 News A new synthetic route of 5334-40-7\"}]},{\"@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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