{"id":6493,"date":"2021-09-26T03:44:09","date_gmt":"2021-09-25T19:44:09","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=6493"},"modified":"2021-09-26T03:44:09","modified_gmt":"2021-09-25T19:44:09","slug":"september-26-2021-news-continuously-updated-synthesis-method-about-5203-77-0","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=6493","title":{"rendered":"September 26, 2021 News Continuously updated synthesis method about 5203-77-0"},"content":{"rendered":"<p><a href=\"https:\/\/www.ambeed.com\/products\/5203-77-0.html\">Electric Literature of 5203-77-0<\/a>, As we all know, there are many different methods for the synthesis of a compound, and people can choose the synthesis method that suits their own laboratory according to the actual situation. 5203-77-0 name is 1,3-Dimethyl-1H-pyrazol-5-ol, This compound is widely used in many fields, so it is necessary to find a new synthetic route. The downstream synthesis method of this compound is introduced below.<\/p>\n<p>General procedure: To a flame-dried Schlenk tube was added electron-rich aromatic (0.5mmol), CF3SO2Na (118mg, 0.7mmol) dry 1,4-dioxane or CH3CN (1mL). The mixture was heated to 60C by a preheated oil bath. PhPCl2 (125mg, 0.7 mmoL) was added. The reaction mixture was stirred at 70C for the indicated time. Then the reaction mixture was cooled to room temperature. The solvent was evaporated under reduced pressure and the residue was purified by silica gel column chromatography to afford the pure product.<\/p>\n<p>At the same time, in my other blogs, there are other synthetic methods of this type of compound, 1,3-Dimethyl-1H-pyrazol-5-ol, and friends who are interested can also refer to it.<\/p>\n<p>Reference:<br \/><a href=\"\">Article; Zhao, Xia; Zheng, Xiancai; Tian, Miaomiao; Sheng, Jianqiao; Tong, Yifan; Lu, Kui; Tetrahedron; vol. 73; 51; (2017); p. 7233 &#8211; 7238;<\/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>At the same time, in my other blogs, there are other synthetic methods of this type of compound, 1,3-Dimethyl-1H-pyrazol-5-ol, 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":[253,131],"tags":[126],"class_list":["post-6493","post","type-post","status-publish","format-standard","hentry","category-5203-77-0","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>Continuously updated synthesis method about<\/title>\n<meta name=\"description\" content=\"Electric Literature of 5203-77-0, As we all know, there are many different methods for the synthesis of a compound, and people can choose the synthesis method that suits their own laboratory according to the actual situation. 5203-77-0 name is 1,3-Dimethyl-1H-pyrazol-5-ol, This compound is widely used in many fields, so it is necessary to find a new synthetic route. 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