{"id":5946,"date":"2021-08-19T03:07:22","date_gmt":"2021-08-18T19:07:22","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=5946"},"modified":"2021-08-19T03:07:22","modified_gmt":"2021-08-18T19:07:22","slug":"brief-introduction-of-39806-90-1-3","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=5946","title":{"rendered":"Brief introduction of 39806-90-1"},"content":{"rendered":"

Reference of 39806-90-1<\/a>, These common heterocyclic compound, 39806-90-1, name is 4-Iodo-1-methyl-1H-pyrazole, 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

To a solution of 4-iodo-1-methyl-1H-pyrazole (3.0 g, 14.4 mmol, 1.0 eq.), 4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene (xantphos) (835 mg, 1.4 mmol, 0.1 eq.) and palladium(II) acetate (415 mg, 0.7 mmol, 0.05 eq.) in dioxane (72.1 ml, 0.2 M) was added N,N’-diisopropylethylamine (5.0 mL, 28.9 mmol, 2.0 eq.) and benzylmercaptan (2.0 ml, 17.3 mmol, 1.2 eq.). The reaction mixture was stirred at 100 C for 18 h. The reaction mixture was diluted with ethyl acetate (300 mL) and water (150 mL). The aqueous layer was extracted with ethyl acetate (150 mL). The combined organic layers were dried (Na2SO4) and concentrated under reduced pressure. The residue was purified by column chromatography.<\/p>\n

The synthetic route of 39806-90-1 has been constantly updated, and we look forward to future research findings.<\/p>\n

Reference:
Article; Vernier, William F.; Gomez, Laurent; Tetrahedron Letters; vol. 58; 49; (2017); p. 4587 – 4590;<\/a>,
Pyrazole – Wikipedia<\/a>,
Pyrazoles – an overview | ScienceDirect Topics<\/p>\n","protected":false},"excerpt":{"rendered":"

The synthetic route of 39806-90-1 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":[162,131],"tags":[127],"class_list":["post-5946","post","type-post","status-publish","format-standard","hentry","category-39806-90-1","category-pyrazoles-derivatives","tag-m-w200-300"],"yoast_head":"\nBrief introduction of<\/title>\n<meta name=\"description\" content=\"Reference of 39806-90-1, These common heterocyclic compound, 39806-90-1, name is 4-Iodo-1-methyl-1H-pyrazole, 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=5946\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Brief introduction of\" \/>\n<meta property=\"og:description\" content=\"Reference of 39806-90-1, These common heterocyclic compound, 39806-90-1, name is 4-Iodo-1-methyl-1H-pyrazole, 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=5946\" \/>\n<meta property=\"og:site_name\" content=\"pyrazoles-derivatives\" \/>\n<meta property=\"article:published_time\" content=\"2021-08-18T19:07:22+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=5946\",\"url\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=5946\",\"name\":\"Brief introduction of\",\"isPartOf\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#website\"},\"datePublished\":\"2021-08-18T19:07:22+00:00\",\"author\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1\"},\"description\":\"Reference of 39806-90-1, These common heterocyclic compound, 39806-90-1, name is 4-Iodo-1-methyl-1H-pyrazole, 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=5946#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.pyrazoles-derivatives.com\/?p=5946\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=5946#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.pyrazoles-derivatives.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Brief introduction of 39806-90-1\"}]},{\"@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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