{"id":5156,"date":"2021-07-05T03:13:38","date_gmt":"2021-07-04T19:13:38","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=5156"},"modified":"2021-07-05T03:13:38","modified_gmt":"2021-07-04T19:13:38","slug":"the-important-role-of-34334-96-8-2","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=5156","title":{"rendered":"The important role of 34334-96-8"},"content":{"rendered":"

Electric Literature of 34334-96-8<\/a>, These common heterocyclic compound, 34334-96-8, name is 3-Methyl-5-nitro-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

Example 7 Preparation of 2-(5-methyl-3-nitro-1H-pyrazol-1-yl)ethanol A solution of 5-methyl-3-nitro-1H-pyrazole (500 mg, 3.93 mmol) and potassium carbonate (1.08 g, 7.81 mmol) in acetonitrile (20 mL) was treated dropwise with 2-iodoethanol (2.00 g, 11.6 mmol) and the reaction stirred at reflux for 18 h. After this time, the reaction was cooled to room temperature, diluted with ethyl acetate (100 mL) and filtered through diatomaceous earth. The filtrate was concentrated under reduced pressure and the resulting residue purified by chromatography (silica, gradient, heptane to 1:1 ethyl acetate\/heptane) to afford 2-(5-methyl-3-nitro-1H-pyrazol-1-yl)ethanol as a white solid: 1H NMR (400 MHz, DMSO-d6.) d 6.82 (s, 1H), 4.97 (t, J=5.2 Hz, 1H), 4.19 (t, J=5.2 Hz, 2H), 3.75 (q, J=5.2 Hz, 2H), 2.35 (s, 3H).<\/p>\n

The synthetic route of 34334-96-8 has been constantly updated, and we look forward to future research findings.<\/p>\n

Reference:
Patent; Gilead Connecticut, Inc.; Blomgren, Peter A.; Currie, Kevin S.; Kropf, Jeffrey E.; Lee, Seung H.; Mitchell, Scott A.; Schmitt, Aaron C.; Xu, Jianjun; Zhao, Zhongdong; US2014\/148430; (2014); A1;<\/a>,
Pyrazole – Wikipedia<\/a>,
Pyrazoles – an overview | ScienceDirect Topics<\/p>\n","protected":false},"excerpt":{"rendered":"

The synthetic route of 34334-96-8 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":[324,131],"tags":[126],"class_list":["post-5156","post","type-post","status-publish","format-standard","hentry","category-34334-96-8","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nThe important role of<\/title>\n<meta name=\"description\" content=\"Electric Literature of 34334-96-8, These common heterocyclic compound, 34334-96-8, name is 3-Methyl-5-nitro-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=5156\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The important role of\" \/>\n<meta property=\"og:description\" content=\"Electric Literature of 34334-96-8, These common heterocyclic compound, 34334-96-8, name is 3-Methyl-5-nitro-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=5156\" \/>\n<meta property=\"og:site_name\" content=\"pyrazoles-derivatives\" \/>\n<meta property=\"article:published_time\" content=\"2021-07-04T19:13:38+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=5156\",\"url\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=5156\",\"name\":\"The important role of\",\"isPartOf\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#website\"},\"datePublished\":\"2021-07-04T19:13:38+00:00\",\"author\":{\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1\"},\"description\":\"Electric Literature of 34334-96-8, These common heterocyclic compound, 34334-96-8, name is 3-Methyl-5-nitro-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=5156#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.pyrazoles-derivatives.com\/?p=5156\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/?p=5156#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.pyrazoles-derivatives.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"The important role of 34334-96-8\"}]},{\"@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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