{"id":1893,"date":"2021-02-25T05:13:18","date_gmt":"2021-02-24T21:13:18","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=1893"},"modified":"2021-02-25T05:13:18","modified_gmt":"2021-02-24T21:13:18","slug":"some-tips-on-930-36-9","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=1893","title":{"rendered":"Some tips on 930-36-9"},"content":{"rendered":"

Adding a certain compound to certain chemical reactions, such as: 930-36-9, name is 1-Methylpyrazole, 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 930-36-9, HPLC of Formula: C4H6N2<\/a><\/p>\n

1) 1-Methyl-1H-pyrazole-4-carboaldehyde In an argon atmosphere, phosphorus oxychloride (65.3 mL) was added dropwise to N,N-dimethylformamide (54.2 mL) at 0C over 30 minutes, and the mixture was stirred at room temperature for 1 hour and 80C for 10 minutes. Subsequently, 1-methylpyrazole (25.0 g) was added dropwise to the reaction mixture over 30 minutes. The reaction mixture was stirred at 85C for 1 hour, at 100C for 3 hours, and at 115C for 1 hour, and then allowed to cool in air. The reaction mixture was added ice-water (1 L), and the mixture was stirred for 20 hours. The reaction mixture was partitioned between 1M aqueous sodium hydroxide (2 L) and chloroform, and the organic layer was dried over sodium sulfate anhydrate. After a filtration step, the solvent was evaporated under reduced pressure, and the residue was purified through silica gel column chromatography (chloroform – methanol), to thereby give 1-methyl-1H-pyrazole-4-carboaldehyde as an oily product (22.1 g, 66%). 1H-NMR(400MHz,CDCl3)delta:3.97(3H,s), 7.91(1H,s), 7.96(1H,s), 9.85(1H,s). ESI-MSm\/z:111(M+H)+.<\/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":[245,131],"tags":[145],"class_list":["post-1893","post","type-post","status-publish","format-standard","hentry","category-930-36-9","category-pyrazoles-derivatives","tag-m-w0-100"],"yoast_head":"\nSome tips on 930-36-9<\/title>\n<meta name=\"description\" content=\"Adding a certain compound to certain chemical reactions, such as: 930-36-9, name is 1-Methylpyrazole, 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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