{"id":3570,"date":"2021-04-23T06:34:19","date_gmt":"2021-04-22T22:34:19","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=3570"},"modified":"2021-04-23T06:34:19","modified_gmt":"2021-04-22T22:34:19","slug":"research-on-new-synthetic-routes-about-3-chloro-1h-pyrazol-4-amine","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=3570","title":{"rendered":"Research on new synthetic routes about 3-Chloro-1H-pyrazol-4-amine"},"content":{"rendered":"

Electric Literature of 103286-54-0<\/a>, Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 103286-54-0, name is 3-Chloro-1H-pyrazol-4-amine, This compound has unique chemical properties. The synthetic route is as follows.<\/p>\n

To a stirred solution of 5-chloro-1H-pyrazol-4-amine, HCl (2 g, 12.99 mmol) and cesium carbonate (8.89 g, 27.3 mmol) in DMF (13 mL) was added 3,5-difluoropyridine (1.794 g, 15.58 mmol) and the mixture heated at 70 C. for 12 h. The mixture was cooled to room temperature and filtered. The solids were washed with copious amount of ethyl acetate. The filtrates was washed with brine, dried over anhydrous MgSO4 and concentrated in vacuo to give a brown solid. This solid was dissolved in ethyl acetate and the resulting solution was saturated with hexanes to precipitate 3-chloro-1-(5-fluoropyridin-3-yl)-1H-pyrazol-4-amine (2.31 g, 10.32 mmol, 79%) as a brown solid: 1H NMR (400 MHz, DMSO-d6) delta 8.89-8.82 (m, 1H), 8.45 (d, J=2.5 Hz, 1H), 8.07 (d, J=10.4 Hz, 1H), 7.94 (s, 1H), 4.51 (s, 2H); EIMS (m\/z) 213 ([M+1]+).<\/p>\n

The chemical industry reduces the impact on the environment during synthesis 3-Chloro-1H-pyrazol-4-amine. I believe this compound will play a more active role in future production and life.<\/p>\n","protected":false},"excerpt":{"rendered":"

The chemical industry reduces the impact on the environment during synthesis 3-Chloro-1H-pyrazol-4-amine. I believe this compound will play a more active role in future production and life.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[549,131],"tags":[126],"class_list":["post-3570","post","type-post","status-publish","format-standard","hentry","category-103286-54-0","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nResearch on new synthetic routes about 3-Chloro-1H-pyrazol-4-amine<\/title>\n<meta name=\"description\" content=\"Electric Literature of 103286-54-0, Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 103286-54-0, name is 3-Chloro-1H-pyrazol-4-amine, This compound has unique chemical properties. The synthetic route is as follows.\" \/>\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=3570\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Research on new synthetic routes about 3-Chloro-1H-pyrazol-4-amine\" \/>\n<meta property=\"og:description\" content=\"Electric Literature of 103286-54-0, Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 103286-54-0, name is 3-Chloro-1H-pyrazol-4-amine, This compound has unique chemical properties. 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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":"Research on new synthetic routes about 3-Chloro-1H-pyrazol-4-amine","description":"Electric Literature of 103286-54-0, Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 103286-54-0, name is 3-Chloro-1H-pyrazol-4-amine, This compound has unique chemical properties. 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