{"id":1106,"date":"2020-11-25T15:07:04","date_gmt":"2020-11-25T07:07:04","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=1106"},"modified":"2020-11-25T15:07:04","modified_gmt":"2020-11-25T07:07:04","slug":"application-of-1-nitropyrazole","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=1106","title":{"rendered":"Application of 1-Nitropyrazole"},"content":{"rendered":"<p><a href=\"https:\/\/www.ambeed.com\/products\/7119-95-1.html\">7119-95-1<\/a>, In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. An updated downstream synthesis route of 7119-95-1 as follows.<\/p>\n<p>Concentrated sulphuric acid (80 ml) was added dropwise to a stirred sample of 1-nitropyrazole (20.3 g) that was cooled in an ice-bath. The resultant mixture was stirred for <n=\"95\"\/>16 hours and allowed to warm to ambient temperature. The mixture was poured onto ice and stirred for 20 minutes. The resultant solid was isolated and washed with water. The filtrate was neutralised by the addition of potassium carbonate and extracted with diethyl ether. The recovered solid was added to the diethyl ether solution and the resultant solution was washed with a saturated aqueous sodium chloride solution, dried over magnesium sulphate and filtered. Petroleum ether (b.p. 60-80\u00a1\u00e3C) was added to the filtrate which was concentrated by evaporation to a volume of about 50 ml. A precipitate formed which was isolated by filtration. There was thus obtained 4-nitropyrazole (16 g); 1H NMR Spectrum: (DMSOd6 + CF3CO2H) 8.57 (s, 2H).<\/p>\n<p>At the same time, in my other blogs, there are other synthetic methods of this type of compound, 7119-95-1, and friends who are interested can also refer to it.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>At the same time, in my other blogs, there are other synthetic methods of this type of compound, 7119-95-1, and friends who are interested can also refer to it.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[199,131],"tags":[126],"class_list":["post-1106","post","type-post","status-publish","format-standard","hentry","category-7119-95-1","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Application of 1-Nitropyrazole<\/title>\n<meta name=\"description\" content=\"7119-95-1, In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. 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