{"id":3911,"date":"2021-05-10T04:38:08","date_gmt":"2021-05-09T20:38:08","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=3911"},"modified":"2021-05-10T04:38:08","modified_gmt":"2021-05-09T20:38:08","slug":"some-scientific-research-about-4-fluoro-1h-pyrazole","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=3911","title":{"rendered":"Some scientific research about 4-Fluoro-1H-pyrazole"},"content":{"rendered":"<p>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. 35277-02-2, name is 4-Fluoro-1H-pyrazole, A new synthetic method of this compound is introduced below., <a href=\"https:\/\/www.ambeed.com\/products\/35277-02-2.html\">Recommanded Product: 4-Fluoro-1H-pyrazole<\/a><\/p>\n<p>To a solution of 4-fluoro-pyrazole (0.10 g, 0.001162 mol) in anhydrous THF (10 mL) , which was cooled in an ice water bath under an argon atmosphere, was added sodium hydride (60% dispersion in oil, 0.14 g, 0.003486 mol). After addition, the resulting mixture was stirred for three hours. N-(4-Cyano-3-(trifluoromethyl)phenyl)-2-methyloxirane-2-carboxamide (1056) (0.31 g, 0.001162 mol) was added to above solution, and the resulting reaction mixture was allowed to stir overnight at room temperature under argon. The reaction was quenched by water, extracted with ethyl acetate. The organic layer was washed with brine, dried with MgSO4, filtered, and concentrated under vacuum.The product was purified by a silica gel column using hexanes and ethyl acetate (2:1 to 1:1) as eluent to afford 0.37 g (90%) of the titled compound as a yellowish solid.1H NMR (400 MHz, DMSO-d6) d 10.38 (s, 1H, NH), 8.47 (d, J = 2.0 Hz, 1H, ArH), 8.24 (dd, J = 8.8 Hz, J = 2.0 Hz, 1H, ArH), 8.10 (d, J = 8.8 Hz, 1H, ArH), 7.74 (d, J = 4.4 Hz, 1H, Pyrazole- H), 7.41 (d, J = 4.0 Hz, 1H, Pyrazole-H), 6.31 (s, 1H, OH), 4.39 (d, J = 14.0 Hz, 1H, CH), 4.21 (d, J = 14.4 Hz, 1H, CH), 1.34 (s, 3H, CH3).Mass (ESI, Negative): [M-H]-; (ESI, Positive): [M+Na]+.<\/p>\n<p>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":"<p>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":[161,131],"tags":[145],"class_list":["post-3911","post","type-post","status-publish","format-standard","hentry","category-35277-02-2","category-pyrazoles-derivatives","tag-m-w0-100"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Some scientific research about 4-Fluoro-1H-pyrazole<\/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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