{"id":1595,"date":"2021-01-28T04:44:53","date_gmt":"2021-01-27T20:44:53","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=1595"},"modified":"2021-01-28T04:44:53","modified_gmt":"2021-01-27T20:44:53","slug":"simple-exploration-of-5334-40-7","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=1595","title":{"rendered":"Simple exploration of 5334-40-7"},"content":{"rendered":"

Adding a certain compound to certain chemical reactions, such as: 5334-40-7, name is 4-Nitro-1H-pyrazole-3-carboxylic acid, 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 5334-40-7, Application In Synthesis of 4-Nitro-1H-pyrazole-3-carboxylic acid<\/a><\/p>\n

Stpe 1: Into a 250 mL round bottom flask containing a suspension of 4-nitro-lH-pyrazole-3- carboxylic acid (20.0 g, 127 mmol) in methanol (100 mL) was added concentrated sulfuric acid (4 mL) drop wise over 5 min at 0 C and the resulting slurry was refluxed at 80 C for 16 h. The solvent was removed under reduced pressure and the residual mass was dissolved in ethyl acetate (300 mL) and washed with saturated aqueous sodium bicarbonate solution (2 x 100 mL) and brine (100 mL) and dried over anhydrous sodium sulfate. The solution was filtered and concentrated under reduced pressure to give methyl 4-nitro-lH-pyrazole-3 -carboxylate as a solid. The crude product was taken to the next step without further purification. MS calc’d [M- H]+ 170.0, found 170.0.<\/p>\n

At the same time, in my other blogs, there are other synthetic methods of this type of compound, 4-Nitro-1H-pyrazole-3-carboxylic acid, and friends who are interested can also refer to it.<\/p>\n","protected":false},"excerpt":{"rendered":"

At the same time, in my other blogs, there are other synthetic methods of this type of compound, 4-Nitro-1H-pyrazole-3-carboxylic acid, 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":[153,131],"tags":[126],"class_list":["post-1595","post","type-post","status-publish","format-standard","hentry","category-5334-40-7","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nSimple exploration of 5334-40-7<\/title>\n<meta name=\"description\" content=\"Adding a certain compound to certain chemical reactions, such as: 5334-40-7, name is 4-Nitro-1H-pyrazole-3-carboxylic acid, 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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