{"id":1904,"date":"2021-02-26T05:09:18","date_gmt":"2021-02-25T21:09:18","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=1904"},"modified":"2021-02-26T05:09:18","modified_gmt":"2021-02-25T21:09:18","slug":"share-a-compound-17635-44-8","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=1904","title":{"rendered":"Share a compound : 17635-44-8"},"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. 17635-44-8, name is 3,4,5-Tribromopyrazole, A new synthetic method of this compound is introduced below., Formula: C3HBr3N2<\/a><\/p>\n

EXAMPLE 30 Preparation of 3,4,5-Tribromo-alpha-methylpyrazole-1-acetic acid A quantity (3.04 gm., 0.01 mole) of 3,4,5-tribromopyrazole was dissolved in 70 ml. acetone and 2.76 gm. (0.02 mole) solid anhydrous potassium carbonate was added. The mixture was heated at the reflux temperature with stirring for 10 minutes and, after cooling, 2.0 gm. (0.011 mole) ethyl 2-bromopropionate was added. This reaction mixture was heated at the reflux temperature for 11\/2 hrs. After cooling, an aqueous solution of sodium hydroxide (0.5 gm. in 90 ml. water) was added. The acetone was distilled off and the remaining aqueous solution was heated at the reflux temperature for 2 hrs. The clear solution thus obtained was cooled and acidified to about pH 2 with 2 N hydrochloric acid. A white precipitate that formed was collected on a filter, washed with water, and dried. There was thus obtained 3.55 gm. (95% yield) of 3,4,5-tribromo-alpha-methylpyrazole-1-acetic acid having a melting point at 162 to 164 C., identical with the product of Example 5.<\/p>\n

The synthetic route of 17635-44-8 has been constantly updated, and we look forward to future research findings.<\/p>\n","protected":false},"excerpt":{"rendered":"

The synthetic route of 17635-44-8 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":[190,131],"tags":[167],"class_list":["post-1904","post","type-post","status-publish","format-standard","hentry","category-17635-44-8","category-pyrazoles-derivatives","tag-m-w300-400"],"yoast_head":"\nShare a compound : 17635-44-8<\/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. 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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":"Share a compound : 17635-44-8","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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