{"id":3531,"date":"2021-04-21T09:28:12","date_gmt":"2021-04-21T01:28:12","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=3531"},"modified":"2021-04-21T09:28:12","modified_gmt":"2021-04-21T01:28:12","slug":"new-learning-discoveries-about-ethyl-3-trifluoromethylpyrazole-4-carboxylate","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=3531","title":{"rendered":"New learning discoveries about Ethyl 3-(trifluoromethyl)pyrazole-4-carboxylate"},"content":{"rendered":"

Synthetic Route of 155377-19-8<\/a>, These common heterocyclic compound, 155377-19-8, name is Ethyl 3-(trifluoromethyl)pyrazole-4-carboxylate, 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

According to the procedure of Buchwald et al. [J. Org. Chem. 2004, 6″S, 5578), to a 350 mL sealed tube flushed vigorously with nitrogen were added ethyl 3- (trifluoromethyl) – lH-pyrazole-4-carboxylate (20.0 g, 96.1 ramol) , 1-iodobenzene s (12.9 ml, 115 mmol) , potassium carbonate (27.9 g, 202 mmol), copper (I) iodide (0.915 g, 4.80 mmol), and (IS, 2S) -N1,N2- dimethylcyclohexane-l,2-diamine (1.37 g, 9.61 mmol), followed by degassed toluene (100 ml) . The mixture was stirred for 24 hours a.t 1100C7 cooled to room temperature, and filtered through o a short silica pad which was rinsed with toluene and EtOAc thoroughly. The filtrate was concentrated in vacuo to give ethyl l-phenyl-3- (trifluoromethyl) -lH-pyrazole-4-carboxylate(21 g, 77%) as a solid: 1H NMR (400 MHz, CDCl3) delta 1.39 (t, 3H, J = 7.0 Hz), 4.37 (q, 2H, J = 7.0 Hz), 7.42 (m, IH), 7.52 (m, 2H), 5 7.72 (m, 2H), 8.48 (m, IH).<\/p>\n

The synthetic route of 155377-19-8 has been constantly updated, and we look forward to future research findings.<\/p>\n","protected":false},"excerpt":{"rendered":"

The synthetic route of 155377-19-8 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":[226,131],"tags":[127],"class_list":["post-3531","post","type-post","status-publish","format-standard","hentry","category-155377-19-8","category-pyrazoles-derivatives","tag-m-w200-300"],"yoast_head":"\nNew learning discoveries about Ethyl 3-(trifluoromethyl)pyrazole-4-carboxylate<\/title>\n<meta name=\"description\" content=\"Synthetic Route of 155377-19-8, These common heterocyclic compound, 155377-19-8, name is Ethyl 3-(trifluoromethyl)pyrazole-4-carboxylate, 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=3531\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"New learning discoveries about Ethyl 3-(trifluoromethyl)pyrazole-4-carboxylate\" \/>\n<meta property=\"og:description\" content=\"Synthetic Route of 155377-19-8, These common heterocyclic compound, 155377-19-8, name is Ethyl 3-(trifluoromethyl)pyrazole-4-carboxylate, 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=3531\" \/>\n<meta property=\"og:site_name\" content=\"pyrazoles-derivatives\" \/>\n<meta property=\"article:published_time\" content=\"2021-04-21T01:28:12+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=3531\",\"url\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=3531\",\"name\":\"New learning discoveries about Ethyl 3-(trifluoromethyl)pyrazole-4-carboxylate\",\"isPartOf\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#website\"},\"datePublished\":\"2021-04-21T01:28:12+00:00\",\"author\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1\"},\"description\":\"Synthetic Route of 155377-19-8, These common heterocyclic compound, 155377-19-8, name is Ethyl 3-(trifluoromethyl)pyrazole-4-carboxylate, 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=3531#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.pyrazoles-derivatives.com\/?p=3531\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=3531#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.pyrazoles-derivatives.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"New learning discoveries about Ethyl 3-(trifluoromethyl)pyrazole-4-carboxylate\"}]},{\"@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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