{"id":1932,"date":"2021-03-01T05:11:03","date_gmt":"2021-02-28T21:11:03","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=1932"},"modified":"2021-03-01T05:11:03","modified_gmt":"2021-02-28T21:11:03","slug":"sources-of-common-compounds-31108-57-3","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=1932","title":{"rendered":"Sources of common compounds: 31108-57-3"},"content":{"rendered":"

Synthetic Route of 31108-57-3<\/a>, These common heterocyclic compound, 31108-57-3, name is 1H-Pyrazole-4-carbonitrile, 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

2-chloro-5-nitrobenzenesulfonamide (250 mg, 1.06 mmol) was dissolved in acetonitrile5 (10 mL), followed by addition of 1H-pyrazole-4-carbonitrile (148 mg, 1.59 mmol) and finely powdered potassium carbonate (438 mg, 3.17 mmol). The reaction mixture was stirred overnight at 10000. After cooling to room temperature dichloromethane and water were added and the organic phase was washed with brine solution, dried over sodium sulfate and concentrated in vacuo. Purification by preparative HPLC (Chromatorex 0-18 10pm,10 125x30mm, acetonitrile\/water + 0.1% formic acid) gave the title compound (128 mg, 0.436 mmol, 41 % yield, 70 % purity).LC-MS (Method A): Rt = 0.78 mm; MS (ESIpos): mlz = 294 [M+H]1HNMR (400MHz, DMSO-d6) oe [ppm]: 7.94 (br d, 2H), 7.98 (d, 1 H), 8.42 (d, 1 H), 8.61 (dd,1H), 8.83 (d, 1H), 9.04 (d, 1H).<\/p>\n

Statistics shows that 1H-Pyrazole-4-carbonitrile is playing an increasingly important role. we look forward to future research findings about 31108-57-3.<\/p>\n","protected":false},"excerpt":{"rendered":"

Statistics shows that 1H-Pyrazole-4-carbonitrile is playing an increasingly important role. we look forward to future research findings about 31108-57-3.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[326,131],"tags":[145],"class_list":["post-1932","post","type-post","status-publish","format-standard","hentry","category-31108-57-3","category-pyrazoles-derivatives","tag-m-w0-100"],"yoast_head":"\nSources of common compounds: 31108-57-3<\/title>\n<meta name=\"description\" content=\"Synthetic Route of 31108-57-3, These common heterocyclic compound, 31108-57-3, name is 1H-Pyrazole-4-carbonitrile, 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=1932\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sources of common compounds: 31108-57-3\" \/>\n<meta property=\"og:description\" content=\"Synthetic Route of 31108-57-3, These common heterocyclic compound, 31108-57-3, name is 1H-Pyrazole-4-carbonitrile, 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=1932\" \/>\n<meta property=\"og:site_name\" content=\"pyrazoles-derivatives\" \/>\n<meta property=\"article:published_time\" content=\"2021-02-28T21:11:03+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=1932\",\"url\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=1932\",\"name\":\"Sources of common compounds: 31108-57-3\",\"isPartOf\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#website\"},\"datePublished\":\"2021-02-28T21:11:03+00:00\",\"author\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1\"},\"description\":\"Synthetic Route of 31108-57-3, These common heterocyclic compound, 31108-57-3, name is 1H-Pyrazole-4-carbonitrile, 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=1932#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.pyrazoles-derivatives.com\/?p=1932\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=1932#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.pyrazoles-derivatives.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Sources of common compounds: 31108-57-3\"}]},{\"@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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