{"id":1288,"date":"2020-12-25T10:57:49","date_gmt":"2020-12-25T02:57:49","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=1288"},"modified":"2020-12-25T10:57:49","modified_gmt":"2020-12-25T02:57:49","slug":"the-origin-of-a-common-compound-about-5334-40-7","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=1288","title":{"rendered":"The origin of a common compound about 5334-40-7"},"content":{"rendered":"

In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. 5334-40-7, name is 4-Nitro-1H-pyrazole-3-carboxylic acid belongs to pyrazoles-derivatives compound, it is a common compound, a new synthetic route is introduced below. Product Details of 5334-40-7<\/a><\/p>\n

To a mixture of 4-nitro-1H-pyrazole-3-carboxylic acid (6.50 g, 41.4 mmol) and N,N-dimethylformamide (100 mL), isopropylamine (4.7 mL, 55 mmol), HOBt (6.71 g, 50 mmol) and (3-dimethylaminopropyl)ethylcarbodiimide hydrochloride (9.52 g, 50 mmol) were added, and the mixture was stirred at room temperature for 16 hr. 5percent Aqueous solution of citric acid was added to the reaction mixture, and the mixture was extracted with ethyl acetate. The extract was washed with 5percent aqueous solution of citric acid, 5percent sodium hydrogencarbonate aqueous solution, brine, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure to give the title compound (5.72 g, yield 70percent). 1H-NMR (DMSO-d6, 200 MHz) :delta 1.14(6H,d, J=6.6 Hz), 3.91-4.17(1H, m), 8.45-8.65(1H, brm), 8.76(1H, brs).<\/p>\n

The synthetic route of 5334-40-7 has been constantly updated, and we look forward to future research findings.<\/p>\n","protected":false},"excerpt":{"rendered":"

The synthetic route of 5334-40-7 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":[153,131],"tags":[126],"class_list":["post-1288","post","type-post","status-publish","format-standard","hentry","category-5334-40-7","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nThe origin of a common compound about 5334-40-7<\/title>\n<meta name=\"description\" content=\"In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. 5334-40-7, name is 4-Nitro-1H-pyrazole-3-carboxylic acid belongs to pyrazoles-derivatives compound, it is a common compound, a new synthetic route is introduced below. 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