{"id":1664,"date":"2021-02-05T03:09:31","date_gmt":"2021-02-04T19:09:31","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=1664"},"modified":"2021-02-05T03:09:31","modified_gmt":"2021-02-04T19:09:31","slug":"introduction-of-a-new-synthetic-route-about-28466-26-4","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=1664","title":{"rendered":"Introduction of a new synthetic route about 28466-26-4"},"content":{"rendered":"

Adding a certain compound to certain chemical reactions, such as: 28466-26-4, name is 4-Aminopyrazole, belongs to pyrazoles-derivatives compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 28466-26-4, COA of Formula: C3H5N3<\/a><\/p>\n

10055] A 250-mL 3-neck flask was charged with iH-pyrazol-4-amine (5 g, 60.2 mmol) and dichloromethane (50 mL). The resulting suspension was cooled to 5 C. and triethylamine (9.i3 g, 90.0 mmol) was added, followed by acetic anhydride (7.37 g, 72.2 mmol) at <20 C. The reaction was stirred at room temperature for i 8 hours, at which point thin layer chromatography (Eluent: ethyl acetate) analysis indicated that the reaction was incomplete. Additional triethylamine (4.57 g, 45.0 mmol) and acetic anhydride (3.70 g, 36.0 mmol) were added and the reaction was heated at 30 C. for an additional 3 hours to give a dark solution, at which point thin layer chromatography analysis indicated that only a trace of starting material remained. The reaction mixture was purified by flash column chromatography using ethyl acetate as eluent. The fractions containing pure product were combined and concentrated to dryness to afford an off-white solid. The solid was dried under vacuum at room temperature for i 8 hours (5.55 g, 55%):10056] ?H NMR (400 MHz, DMSO-d5) oe iO.30 (s, iH),8.39 (d, J=0.7 Hz, iH), 7.83 (d, J=0.7 Hz, iH), 2.60 (s, 3H),2.03 (s, 3H); ElMS mlz i67 ([M]j.\n\nIn the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles, 4-Aminopyrazole, other downstream synthetic routes, hurry up and to see.\n\n\n<\/p>\n","protected":false},"excerpt":{"rendered":"

In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles, 4-Aminopyrazole, other downstream synthetic routes, hurry up and to see.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[144,131],"tags":[145],"class_list":["post-1664","post","type-post","status-publish","format-standard","hentry","category-28466-26-4","category-pyrazoles-derivatives","tag-m-w0-100"],"yoast_head":"\nIntroduction of a new synthetic route about 28466-26-4<\/title>\n<meta name=\"description\" content=\"Adding a certain compound to certain chemical reactions, such as: 28466-26-4, name is 4-Aminopyrazole, belongs to pyrazoles-derivatives compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. 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Pyrazole derivatives play an important role in antitumor agents.\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"http:\/\/www.pyrazoles-derivatives.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"http:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1\",\"name\":\"Jessica.F\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"http:\/\/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":"Introduction of a new synthetic route about 28466-26-4","description":"Adding a certain compound to certain chemical reactions, such as: 28466-26-4, name is 4-Aminopyrazole, belongs to pyrazoles-derivatives compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. 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