{"id":1302,"date":"2020-12-29T10:50:05","date_gmt":"2020-12-29T02:50:05","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=1302"},"modified":"2020-12-29T10:50:05","modified_gmt":"2020-12-29T02:50:05","slug":"the-origin-of-a-common-compound-about-5334-40-7-2","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=1302","title":{"rendered":"The origin of a common compound about 5334-40-7"},"content":{"rendered":"

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 5334-40-7 as follows. SDS of cas: 5334-40-7<\/a><\/p>\n

Reference Example 1 Methyl 4-nitro-1H-pyrazole-3-carboxylate Acetyl chloride (9 mL) was added dropwise to methanol (90 mL), 4-nitro-1H-pyrazole-3-carboxylic acid (9.00 g, 57.3 mmol) was added to the mixture. The mixture was stirred at room temperature for 16 hr, and concentrated under reduced pressure. Methanol was added to the residue, and the mixture was concentrated under reduced pressure, the operation was twice repeated. The residue was diluted with methanol and ethyl acetate. 5% sodium hydrogencarbonate aqueous solution was added, and the pH was adjusted to 8-9. The mixture was extracted with ethyl acetate. The extract was washed with water, brine, dried over anhydrous magnesium sulfate, and the solvent was evaporated under reduced pressure to give the title compound (9.83 g, yield 100%). 1H-NMR (DMSO-d6, 200 MHz): delta 3.98 (3H, s), 8.28 (1H, s).<\/p>\n

According to the analysis of related databases, 5334-40-7, the application of this compound in the production field has become more and more popular.<\/p>\n","protected":false},"excerpt":{"rendered":"

According to the analysis of related databases, 5334-40-7, the application of this compound in the production field has become more and more popular.<\/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-1302","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 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 5334-40-7 as follows. 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