{"id":1806,"date":"2021-02-20T05:05:32","date_gmt":"2021-02-19T21:05:32","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=1806"},"modified":"2021-02-20T05:05:32","modified_gmt":"2021-02-19T21:05:32","slug":"the-important-role-of-612511-81-6-2","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=1806","title":{"rendered":"The important role of 612511-81-6"},"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. 612511-81-6, name is (1-Methyl-1H-pyrazol-3-yl)methanamine, A new synthetic method of this compound is introduced below., Computed Properties of C5H9N3<\/a><\/p>\n

A mixture of 334 5,7-dibromo-1-isopropyl-3-methyl-1H-pyrazolo[4,3-b]pyridine (0.3 g, 0.9 mmol), 722 (1-methyl-1H-pyrazol-3-yl)methanamine (120 mg, 1.08 mmol) and 133 CsF (274 mg, 1.80 mmol) in NMP (8 mL) was stirred at 100 C. for 12 hours. The mixture was poured into water (20 mL), the aqueous phase was extracted with ethyl acetate (10 mL\u00a1\u00c13).The combined organic phase was washed with brine (10 mL\u00a1\u00c11), dried with anhydrous Na2SO4, filtered and concentrated. The residue was purified by silica gel chromatography (silica gel, petroleum ether\/ethyl acetate=1\/0, 1\/1) to afford 768 5-bromo-1-isopropyl-3-methyl-N-((1-methyl-1H-pyrazol-3-yl)methyl)-1H-pyrazolo[4,3-b]pyridin-7-amine. A mixture of 768 5-bromo-1-isopropyl-3-methyl-N-((1-methyl-1H-pyrazol-3-yl)methyl)-1H-pyrazolo[4,3-b]pyridin-7-amine (30 mg, 0.083 mmol), 770 (3-ethoxypyridin-4-yl)boronic acid (28 mg, 0.17 mmol), Pd(dppf)Cl2 (6 mg, 0.008 mmol), 54 K2CO3 (23 mg, 0.17 mmol) and 136 dioxane (1.5 mL) in 99 H2O (1.5 mL) was stirred at 100 C. for 2 hours. The mixture was concentrated. The residue was purified by column chromatography (SiO2, petroleum ether\/ethyl acetate=1\/0 to 0:1) and preparative HPLC to afford the 771 title compound. (0891) 1H NMR (CD3CN 400 MHz): delta=8.39 (s, 1H), 8.26 (d, J=4.8 Hz, 1H), 7.74 (d, J=4.8 Hz, 1H), 7.41 (d, J=2.4 Hz, 1H), 7.19 (s, 1H), 6.20 (d, J=2.4 Hz, 1H), 5.71 (brt, J=5.2 Hz, 1H), 5.04-4.94 (m, 1H), 4.50 (d, J=5.2 Hz, 2H), 4.19 (q, J=7.2 Hz, 2H), 3.80 (s, 3H), 2.50 (s, 3H), 1.54 (d, J=6.8 Hz, 6H), 1.35 (t, J=6.8 Hz, 3H). LC-MS: tR=1.71 minutes (Method L), m\/z=406.1 [M+H]+.<\/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":[228,131],"tags":[126],"class_list":["post-1806","post","type-post","status-publish","format-standard","hentry","category-612511-81-6","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nThe important role of 612511-81-6<\/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. 612511-81-6, name is (1-Methyl-1H-pyrazol-3-yl)methanamine, A new synthetic method of this compound is introduced below., Computed Properties of C5H9N3\" \/>\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=1806\" \/>\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 612511-81-6\" \/>\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":"The important role of 612511-81-6","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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