{"id":4877,"date":"2021-06-22T03:39:49","date_gmt":"2021-06-21T19:39:49","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=4877"},"modified":"2021-06-22T03:39:49","modified_gmt":"2021-06-21T19:39:49","slug":"share-a-compound-c4h4n2o","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=4877","title":{"rendered":"Share a compound : C4H4N2O"},"content":{"rendered":"

Related Products of 35344-95-7<\/a>,Some common heterocyclic compound, 35344-95-7, name is 1H-Pyrazole-4-carbaldehyde, molecular formula is C4H4N2O, 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

To a stirred solution of 1Hpyrazole4carbaldehyde (1.00 g, 10.40 mmol) and 6bromo4methylnicotinonitrile (2.05 g, 10.40 mmol) in dioxane (15 mL) were added K2CO3 (4.31 g, 31.20 mmol). The resulting reaction mixture was degassed with nitrogen for 5 minutes then copper (I) iodide (0.59 g, 3.12 mmol) was added, followed by transN,N’dimethylcyclohexane1,2diamine (2.59 mL, 16.4 mmol). The resulting mixture was degassed again for 10 minutes and heated at 110 \u00b0C for 1 h under microwave irradiation. The reaction mixture was cooled to ambient temperature, filtered through Celite\u00ae and the organic layer was concentrated under reduced pressure. The residue was purified by column chromatography (Redisep24 g, 2040percent EtOAc\/ nhexane) to obtain Intermediate 6 (1.15 g, 52.10percent) as pale yellow solid. 1H NMR (300 MHz, DMSOd6) G^ppm 2.62 (s, 3 H), 8.10 (s, 1 H), 8.38 (s, 1 H), 8.95 (s, 1 H), 9.37 (s, 1 H), 9.98 (s, 1 H). LCMS (methodD), retention time 1.68 min, [M+H] 213.2.<\/p>\n

The synthetic route of 35344-95-7 has been constantly updated, and we look forward to future research findings.<\/p>\n

Reference:
Patent; BRISTOL-MYERS SQUIBB COMPANY; YADAV, Navnath Dnyanoba; BHIDE, Rajeev S.; BORA, Rajesh Onkardas; GUNAGA, Prashantha; PANDA, Manoranjan; PRIESTLEY, Eldon Scott; RICHTER, Jeremy; (444 pag.)WO2018\/222795; (2018); A1;<\/a>,
Pyrazole – Wikipedia<\/a>,
Pyrazoles – an overview | ScienceDirect Topics<\/p>\n","protected":false},"excerpt":{"rendered":"

The synthetic route of 35344-95-7 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":[154,131],"tags":[145],"class_list":["post-4877","post","type-post","status-publish","format-standard","hentry","category-35344-95-7","category-pyrazoles-derivatives","tag-m-w0-100"],"yoast_head":"\nShare a compound :<\/title>\n<meta name=\"description\" content=\"Related Products of 35344-95-7,Some common heterocyclic compound, 35344-95-7, name is 1H-Pyrazole-4-carbaldehyde, molecular formula is C4H4N2O, 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=4877\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Share a compound :\" \/>\n<meta property=\"og:description\" content=\"Related Products of 35344-95-7,Some common heterocyclic compound, 35344-95-7, name is 1H-Pyrazole-4-carbaldehyde, molecular formula is C4H4N2O, 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=4877\" \/>\n<meta property=\"og:site_name\" content=\"pyrazoles-derivatives\" \/>\n<meta property=\"article:published_time\" content=\"2021-06-21T19:39:49+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=4877\",\"url\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=4877\",\"name\":\"Share a compound :\",\"isPartOf\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#website\"},\"datePublished\":\"2021-06-21T19:39:49+00:00\",\"author\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1\"},\"description\":\"Related Products of 35344-95-7,Some common heterocyclic compound, 35344-95-7, name is 1H-Pyrazole-4-carbaldehyde, molecular formula is C4H4N2O, 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=4877#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.pyrazoles-derivatives.com\/?p=4877\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=4877#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.pyrazoles-derivatives.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Share a compound : C4H4N2O\"}]},{\"@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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