{"id":4376,"date":"2021-05-31T04:37:49","date_gmt":"2021-05-30T20:37:49","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=4376"},"modified":"2021-05-31T04:37:49","modified_gmt":"2021-05-30T20:37:49","slug":"extended-knowledge-of-112758-40-4","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=4376","title":{"rendered":"Extended knowledge of 112758-40-4"},"content":{"rendered":"

Synthetic Route of 112758-40-4<\/a>, These common heterocyclic compound, 112758-40-4, name is 3-Methyl-1H-pyrazole-4-carbaldehyde, 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

PREPARATION 461-(3-Chloro-2-pyridyl)-3-methyl-pyrazole-4-carbaldehyde; To a solution of 3-methyl-pyrazole-4-carbaldehyde (0.5 g, 4.5 mmol) in dry dimethylformamide (15 mL) is added potassium carbonate (2.5 g, 18 mmol,) at room temperature. The reaction mixture is stirred at 40 C. for 30 min and then 1-fluoro-2-chloropyridine (0.77 g, 6 mmol,) is added. The reaction mixture is heated at 70 C. for 16 h. After completion, the reaction mixture is cooled to room temperature, diluted with water and then extracted with ethyl acetate. The organic layer is dried over sodium sulfate, filtered and concentrated under reduce pressure. The crude mixture is purified by chromatography on silica gel eluting with hexane\/ethyl acetate (75:25, 65:35) to yield 0.525 g (52%) of the title compound. MS (m\/z): 222 (M+1).<\/p>\n

The synthetic route of 112758-40-4 has been constantly updated, and we look forward to future research findings.<\/p>\n

Reference:
Patent; ELI LILLY AND COMPANY; US2011\/118251; (2011); A1;<\/a>,
Pyrazole – Wikipedia<\/a>,
Pyrazoles – an overview | ScienceDirect Topics<\/p>\n","protected":false},"excerpt":{"rendered":"

The synthetic route of 112758-40-4 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":[168,131],"tags":[126],"class_list":["post-4376","post","type-post","status-publish","format-standard","hentry","category-112758-40-4","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nExtended knowledge of<\/title>\n<meta name=\"description\" content=\"Synthetic Route of 112758-40-4, These common heterocyclic compound, 112758-40-4, name is 3-Methyl-1H-pyrazole-4-carbaldehyde, 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=4376\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Extended knowledge of\" \/>\n<meta property=\"og:description\" content=\"Synthetic Route of 112758-40-4, These common heterocyclic compound, 112758-40-4, name is 3-Methyl-1H-pyrazole-4-carbaldehyde, 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=4376\" \/>\n<meta property=\"og:site_name\" content=\"pyrazoles-derivatives\" \/>\n<meta property=\"article:published_time\" content=\"2021-05-30T20:37:49+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=4376\",\"url\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=4376\",\"name\":\"Extended knowledge of\",\"isPartOf\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#website\"},\"datePublished\":\"2021-05-30T20:37:49+00:00\",\"author\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1\"},\"description\":\"Synthetic Route of 112758-40-4, These common heterocyclic compound, 112758-40-4, name is 3-Methyl-1H-pyrazole-4-carbaldehyde, 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=4376#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.pyrazoles-derivatives.com\/?p=4376\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=4376#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.pyrazoles-derivatives.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Extended knowledge of 112758-40-4\"}]},{\"@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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