{"id":3474,"date":"2021-04-19T06:34:14","date_gmt":"2021-04-18T22:34:14","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=3474"},"modified":"2021-04-19T06:34:14","modified_gmt":"2021-04-18T22:34:14","slug":"continuously-updated-synthesis-method-about-13-dimethyl-1h-pyrazol-5-ol","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=3474","title":{"rendered":"Continuously updated synthesis method about 1,3-Dimethyl-1H-pyrazol-5-ol"},"content":{"rendered":"

Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. Generally, it requires fewer steps, and cheap raw materials. 5203-77-0, name is 1,3-Dimethyl-1H-pyrazol-5-ol, A new synthetic method of this compound is introduced below., name: 1,3-Dimethyl-1H-pyrazol-5-ol<\/a><\/p>\n

At room temperature, 1,3-dimethyl-1H-pyrazole-5-ol (0.65 g, 0.0058 mol) and (1.21 g, 0.012 mol) triethylamine were sequentially dissolved in 20 ml of dichloromethane.The low temperature bath was cooled to 3 C.To the above mixture was added dropwise 3-chloro-7-(methylsulfonyl)-5-(trifluoromethyl)quinoline-8-carbonyl chloride (2.23 g, 0.006 mol),The dropping rate was 4 drops \/ 30 seconds. After the addition was complete, the mixture naturally rose to room temperature and reacted for 5 hours.To the reaction mixture was added 10 ml of a saturated aqueous sodium hydrogen carbonate solution, and dichloromethane (3 * 15 ml) was extracted. The organic layers were combined, washed with water (1 * 15 ml), washed with saturated brine, and dried over anhydrous magnesium sulfate.The product was dissolved under reduced pressure to obtain 1.95 g of the product with a yield of 75%<\/p>\n

The basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. We look forward to the emergence of more reaction modes in the future.<\/p>\n","protected":false},"excerpt":{"rendered":"

The basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. We look forward to the emergence of more reaction modes in the future.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[253,131],"tags":[126],"class_list":["post-3474","post","type-post","status-publish","format-standard","hentry","category-5203-77-0","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nContinuously updated synthesis method about 1,3-Dimethyl-1H-pyrazol-5-ol<\/title>\n<meta name=\"description\" content=\"Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. Generally, it requires fewer steps, and cheap raw materials. 5203-77-0, name is 1,3-Dimethyl-1H-pyrazol-5-ol, A new synthetic method of this compound is introduced below., name: 1,3-Dimethyl-1H-pyrazol-5-ol\" \/>\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=3474\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Continuously updated synthesis method about 1,3-Dimethyl-1H-pyrazol-5-ol\" \/>\n<meta property=\"og:description\" content=\"Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. 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Pyrazole derivatives play an important role in antitumor agents.\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.pyrazoles-derivatives.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1\",\"name\":\"Jessica.F\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/en.cravatar.com\/avatar\/2d1cec2a99eeaad5a5b217c9cdbfb610?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/en.cravatar.com\/avatar\/2d1cec2a99eeaad5a5b217c9cdbfb610?s=96&d=mm&r=g\",\"caption\":\"Jessica.F\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Continuously updated synthesis method about 1,3-Dimethyl-1H-pyrazol-5-ol","description":"Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. 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