{"id":6112,"date":"2021-08-31T04:04:15","date_gmt":"2021-08-30T20:04:15","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=6112"},"modified":"2021-08-31T04:04:15","modified_gmt":"2021-08-30T20:04:15","slug":"the-origin-of-a-common-compound-about-c3h4n2","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=6112","title":{"rendered":"The origin of a common compound about C3H4N2"},"content":{"rendered":"<p>288-13-1, name is 1H-Pyrazole, belongs to pyrazoles-derivatives compound, is considered to be a conventional heterocyclic compound, which is widely used in drug synthesis. The chemical synthesis route is as follows. <a href=\"https:\/\/www.ambeed.com\/products\/288-13-1.html\">Recommanded Product: 288-13-1<\/a><\/p>\n<p>Step 1 1-Isopropyl-1H-pyrazole To a suspension of NaH (14 g, 0.35 mol 60% in mineral oil) in DMF (120 mL) was added dropwise of a solution of pyrazole (20 g, 0.29 mol) in DMF (30 mL) at  C. After addition, the suspension was stirred for 1 hour at room temperature. Isopropyl bromide (53.4 g, 0.44 mol) was added dropwise, and the reaction mixture was stirred at room temperature for 2 hours. Water was added to quench the reaction and the mixture was extracted with diethyl ether. The combined ether layers were washed with water, dried over anhydrous sodium sulfate, filtered, and concentrated under reduced pressure. The residue was distilled under vacuum to afford 1-isopropyl-1H-pyrazole as a colorless liquid (15.0 g, 46.4%).<\/p>\n<p>The synthetic route of 288-13-1 has been constantly updated, and we look forward to future research findings.<\/p>\n<p>Reference:<br \/><a href=\"http:\/\/v3.espacenet.com\/textdoc?DB=EPODOC&#038;IDX=CN108863936&#038;F=0\">Patent; Roche Palo Alto LLC; US2009\/170873; (2009); A1;<\/a>,<br \/><a href=\"https:\/\/en.wikipedia.org\/wiki\/Pyrazole\">Pyrazole &#8211; Wikipedia<\/a>,<br \/><a href=\"https:\/\/www.sciencedirect.com\/topics\/chemistry\/pyrazoles\">Pyrazoles &#8211; an overview | ScienceDirect Topics<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The synthetic route of 288-13-1 has been constantly updated, and we look forward to future research findings.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[149,131],"tags":[145],"class_list":["post-6112","post","type-post","status-publish","format-standard","hentry","category-288-13-1","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>The origin of a common compound about<\/title>\n<meta name=\"description\" content=\"288-13-1, name is 1H-Pyrazole, belongs to pyrazoles-derivatives compound, is considered to be a conventional heterocyclic compound, which is widely used in drug synthesis. 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