{"id":1027,"date":"2020-11-16T10:15:25","date_gmt":"2020-11-16T02:15:25","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=1027"},"modified":"2020-11-16T10:15:25","modified_gmt":"2020-11-16T02:15:25","slug":"introduction-of-a-new-synthetic-route-about-1-methyl-1h-pyrazol-5-amine","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=1027","title":{"rendered":"Introduction of a new synthetic route about 1-Methyl-1H-pyrazol-5-amine"},"content":{"rendered":"

1192-21-8<\/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. 1192-21-8, name is 1-Methyl-1H-pyrazol-5-amine, This compound has unique chemical properties. The synthetic route is as follows.<\/p>\n

[00180] Step 3: To a solution of dioxane (150 mL) was added 2-chloro-4-(2- fluoropyridin-4-yl)pyrimidine (15.0 g, 72.1 mmol), 1 -methyl- lH-pyrazol-5 -amine (7.6 g, 79.3 mmol), cesium carbonate (35.3 g, 108.0 mmol), Pd2(dba)3 (6.6 g, 7.2 mmol) and xantphos (8.3 g, 14.4 mmol). The mixture was heated at 80 \u00a1\u00e3C under a nitrogen atmosphere for 2 hours. TLC (PE:EtOAc = 5: 1) indicated that the starting material was consumed. The mixture was cooled to room temperature and filtered through a bed of Celite?. The filtrate was then partitioned between EtOAc (200 mL) and water (100 mL). After separation, the organic layer was washed with water, brine, dried over anhydrous MgS04, filtered, concentrated and then purified by column chromatography on silica gel (PErEtOAc = 10: 1 to about 1 : 1) to provide 4-(2-fluoropyridin-4-yl)-N-(l -methyl- lH-pyrazol-5-yl)pyrimidin-2- amine (14.5 g, 74percent) as a solid.<\/p>\n

If you are interested in these compounds, you can also browse my other articles.Thank you for taking the time to read this article. I hope you enjoyed it.<\/p>\n","protected":false},"excerpt":{"rendered":"

If you are interested in these compounds, you can also browse my other articles.Thank you for taking the time to read this article. I hope you enjoyed it.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[191,131],"tags":[145],"class_list":["post-1027","post","type-post","status-publish","format-standard","hentry","category-1192-21-8","category-pyrazoles-derivatives","tag-m-w0-100"],"yoast_head":"\nIntroduction of a new synthetic route about 1-Methyl-1H-pyrazol-5-amine<\/title>\n<meta name=\"description\" content=\"1192-21-8, 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. 1192-21-8, name is 1-Methyl-1H-pyrazol-5-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=1027\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Introduction of a new synthetic route about 1-Methyl-1H-pyrazol-5-amine\" \/>\n<meta property=\"og:description\" content=\"1192-21-8, 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. 1192-21-8, name is 1-Methyl-1H-pyrazol-5-amine, This compound has unique chemical properties. 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