{"id":2211,"date":"2021-03-12T04:49:48","date_gmt":"2021-03-11T20:49:48","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=2211"},"modified":"2021-03-12T04:49:48","modified_gmt":"2021-03-11T20:49:48","slug":"extended-knowledge-of-35691-93-1","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=2211","title":{"rendered":"Extended knowledge of 35691-93-1"},"content":{"rendered":"

Application of 35691-93-1<\/a>, A common heterocyclic compound, 35691-93-1, name is Ethyl 3,5-dimethyl-1H-pyrazole-4-carboxylate, molecular formula is C8H12N2O2, 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

3,5-Dimethyl-1H-pyrazole-4-carboxylic acid ethyl ester (0.10 g, 1 mmol) (prepared as described in Tett 2002, 58, 18, p 3639), 3-bromo-5-trifluoromethyl-pyridine (0.16 g, 1 mmol), copper iodide (0.02 g, 0.2 mmol) and cesium carbonate (1.0 g, 3 mmol) were suspended in DMA (0.5 ml) and heated to 160 C. for 16 h. The reaction was diluted with EtOAc, washed repeatedly with ammonium hydroxide, brine and dried (Na2SO4) and concentrated. The residue was purified by flash column chromatography (EtOAc:n-heptane 1:9-2:8 gradient affording the title compound (0.07 g, 35%) as a yellow oil. MS: 314.2 (MH+).<\/p>\n

The synthetic route of 35691-93-1 has been constantly updated, and we look forward to future research findings.<\/p>\n","protected":false},"excerpt":{"rendered":"

The synthetic route of 35691-93-1 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":[217,131],"tags":[126],"class_list":["post-2211","post","type-post","status-publish","format-standard","hentry","category-35691-93-1","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nExtended knowledge of 35691-93-1<\/title>\n<meta name=\"description\" content=\"Application of 35691-93-1, A common heterocyclic compound, 35691-93-1, name is Ethyl 3,5-dimethyl-1H-pyrazole-4-carboxylate, molecular formula is C8H12N2O2, 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=2211\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Extended knowledge of 35691-93-1\" \/>\n<meta property=\"og:description\" content=\"Application of 35691-93-1, A common heterocyclic compound, 35691-93-1, name is Ethyl 3,5-dimethyl-1H-pyrazole-4-carboxylate, molecular formula is C8H12N2O2, 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=2211\" \/>\n<meta property=\"og:site_name\" content=\"pyrazoles-derivatives\" \/>\n<meta property=\"article:published_time\" content=\"2021-03-11T20:49:48+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=2211\",\"url\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=2211\",\"name\":\"Extended knowledge of 35691-93-1\",\"isPartOf\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#website\"},\"datePublished\":\"2021-03-11T20:49:48+00:00\",\"author\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1\"},\"description\":\"Application of 35691-93-1, A common heterocyclic compound, 35691-93-1, name is Ethyl 3,5-dimethyl-1H-pyrazole-4-carboxylate, molecular formula is C8H12N2O2, 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=2211#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.pyrazoles-derivatives.com\/?p=2211\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=2211#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.pyrazoles-derivatives.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Extended knowledge of 35691-93-1\"}]},{\"@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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