{"id":3670,"date":"2021-04-27T07:53:05","date_gmt":"2021-04-26T23:53:05","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=3670"},"modified":"2021-04-27T07:53:05","modified_gmt":"2021-04-26T23:53:05","slug":"some-scientific-research-about-1-methyl-1h-pyrazol-3-amine","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=3670","title":{"rendered":"Some scientific research about 1-Methyl-1H-pyrazol-3-amine"},"content":{"rendered":"

Some common heterocyclic compound, 1904-31-0, name is 1-Methyl-1H-pyrazol-3-amine, molecular formula is C4H7N3, traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route. Safety of 1-Methyl-1H-pyrazol-3-amine<\/a><\/p>\n

A solution of 1-methyl-1H-pyrazol-3-ylamine (0.92 g, 9.5 mmol) in benzene (4.8 mL) was treated with hexane-2,5-dione (1.34 mL, 11.4 mmol) and para-toluenesulfonic acid (182 mg, 0.95 mmol) and was heated to 115\u00b0 C. under Dean-Stark conditions for 4 h. After this time, the reaction was cooled to 25\u00b0 C., concentrated in vacuo and dried under high vacuum overnight. The resulting residue was dissolved in methylene chloride (100 mL) and was washed with water (1.x.150 mL), dried over sodium sulfate, filtered and concentrated in vacuo. Silica gel column chromatography (ISCO, 80 g, 1:4 ethyl acetate\/hexanes) afforded 3-(2,5-dimethyl-pyrrol-1-yl)-1-methyl-1H-pyrazole (1.57 g, 94percent) as a green oil; ES+-HRMS m\/e calcd for C10H13N3 [M+H+] 176.1182, found 176.1182.<\/p>\n

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 1904-31-0, its application will become more common.<\/p>\n","protected":false},"excerpt":{"rendered":"

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 1904-31-0, its application will become more common.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[219,131],"tags":[145],"class_list":["post-3670","post","type-post","status-publish","format-standard","hentry","category-1904-31-0","category-pyrazoles-derivatives","tag-m-w0-100"],"yoast_head":"\nSome scientific research about 1-Methyl-1H-pyrazol-3-amine<\/title>\n<meta name=\"description\" content=\"Some common heterocyclic compound, 1904-31-0, name is 1-Methyl-1H-pyrazol-3-amine, molecular formula is C4H7N3, traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route. 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