{"id":1234,"date":"2020-12-21T11:12:57","date_gmt":"2020-12-21T03:12:57","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=1234"},"modified":"2020-12-21T11:12:57","modified_gmt":"2020-12-21T03:12:57","slug":"analyzing-the-synthesis-route-of-118430-73-2","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=1234","title":{"rendered":"Analyzing the synthesis route of 118430-73-2"},"content":{"rendered":"

These common heterocyclic compound, 118430-73-2, name is 3-(tert-Butyl)-1-methyl-1H-pyrazol-5-amine, 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. 118430-73-2<\/a><\/p>\n

Pyrazole 5 (673 mg, 4.4 mMol), diisopropylethylamine (684 mg, 5.3 mMol, 1.2 eq.), and DCM (9 mL) were cooled to -10 C. and phenyl chloroformate (750 mg, 4.8 mMol, 1.1 eq.) was added in a single portion. The solution was allowed to warm to 0 C. and stir for 30 min. The solution was partitioned between ether and aqueous sodium bicarbonate and the ether layer was washed with brine. The organic fraction was dried over anhydrous sodium sulfate and the solvent removed in vacuo and the residue purified using silica gel chromatography eluting with ethyl acetate (5%-50%)\/hexane. Solvent removal afforded the product (6) as brittle foam (1.0 g, 3.9 mMol, 90% yield), which provided a single peak by LC-MS analysis (M+H=274.1). 1H NMR (400 MHz, CDCl3) delta: 7.4 (dd, J=8.0, 7.6 Hz, 2H), 7.25 (tt, J=7.6 Hz, 1H), 7.18 (d, J=8.0 Hz, 2H), 6.95 (brs, 1H), 6.15 (s, 1H), 3.79 (s, 3H), 1.29 (s, 9H).<\/p>\n

Chemical properties determine the actual use. Each compound has specific chemical properties and uses. We look forward to more synthetic routes in the future to expand reaction routes of 118430-73-2.<\/p>\n","protected":false},"excerpt":{"rendered":"

Chemical properties determine the actual use. Each compound has specific chemical properties and uses. We look forward to more synthetic routes in the future to expand reaction routes of 118430-73-2.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[241,131],"tags":[126],"class_list":["post-1234","post","type-post","status-publish","format-standard","hentry","category-118430-73-2","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nAnalyzing the synthesis route of 118430-73-2<\/title>\n<meta name=\"description\" content=\"These common heterocyclic compound, 118430-73-2, name is 3-(tert-Butyl)-1-methyl-1H-pyrazol-5-amine, 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. 118430-73-2\" \/>\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=1234\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Analyzing the synthesis route of 118430-73-2\" \/>\n<meta property=\"og:description\" content=\"These common heterocyclic compound, 118430-73-2, name is 3-(tert-Butyl)-1-methyl-1H-pyrazol-5-amine, 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. 118430-73-2\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.pyrazoles-derivatives.com\/?p=1234\" \/>\n<meta property=\"og:site_name\" content=\"pyrazoles-derivatives\" \/>\n<meta property=\"article:published_time\" content=\"2020-12-21T03:12:57+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=1234\",\"url\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=1234\",\"name\":\"Analyzing the synthesis route of 118430-73-2\",\"isPartOf\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#website\"},\"datePublished\":\"2020-12-21T03:12:57+00:00\",\"author\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1\"},\"description\":\"These common heterocyclic compound, 118430-73-2, name is 3-(tert-Butyl)-1-methyl-1H-pyrazol-5-amine, 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. 118430-73-2\",\"breadcrumb\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=1234#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.pyrazoles-derivatives.com\/?p=1234\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=1234#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.pyrazoles-derivatives.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Analyzing the synthesis route of 118430-73-2\"}]},{\"@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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