{"id":2224,"date":"2021-03-15T02:45:49","date_gmt":"2021-03-14T18:45:49","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=2224"},"modified":"2021-03-15T02:45:49","modified_gmt":"2021-03-14T18:45:49","slug":"the-important-role-of-5744-56-9","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=2224","title":{"rendered":"The important role of 5744-56-9"},"content":{"rendered":"

Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. Generally, it requires fewer steps, and cheap raw materials. 5744-56-9, name is 1,3-Dimethyl-1H-pyrazole-5-carboxylic acid, A new synthetic method of this compound is introduced below., category: pyrazoles-derivatives<\/a><\/p>\n

The 2,5-Dimethyl-2H-pyrazole-3-carboxylic acid [3-(3-hydroxymethylene-2-oxo-2,3-dihydro-1H-indole-6-carbonyl)-phenyl]-amide was prepared from 3-nitrobenzoyl chloride using the following multiple step procedure: Step 1: 2,5-Dimethyl-2H-pyrazole-3-carboxylic acid [3-(2-oxo-2,3-dihydro-1H-indole-6-carbonyl)-phenyl]-amide.; A dry 250 mL flask was charged with 2,5-Dimethyl-2H-pyrazole-3-carboxylic acid (0.989 g, 7.057 mmol) and thionyl chloride (5 mL) and allowed to stir at 79 C. for 2 h. The thionyl chloride was then removed by concentration in vacuo. The crude acid chloride was cooled to room temperature, and then dissolved in THF (40 mL). 6-(3-Amino-benzoyl)-1,3-dihydro-indol-2-one (as prepared in Example 40, 1.26 g, 4.994 mmol) was added to the THF solution of the acid chloride, and the mixture was allowed to reflux for 4 h. The reaction mixture was then allowed to cool to room temperature. The room temperature reaction mixture was concentrated in vacuo. The solid residue was suspended in boiling EtOAc. The suspension was allowed to cool to room temperature before filtering to afford the 2,5-Dimethyl-2H-pyrazole-3-carboxylic acid [3-(2-oxo-2,3-dihydro-1H-indole-6-carbonyl)-phenyl]-amide as a tan solid (1.4 g, 3.74 mmol, 75%).<\/p>\n

The basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. We look forward to the emergence of more reaction modes in the future.<\/p>\n","protected":false},"excerpt":{"rendered":"

The basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. We look forward to the emergence of more reaction modes in the future.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[197,131],"tags":[126],"class_list":["post-2224","post","type-post","status-publish","format-standard","hentry","category-5744-56-9","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nThe important role of 5744-56-9<\/title>\n<meta name=\"description\" content=\"Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. Generally, it requires fewer steps, and cheap raw materials. 5744-56-9, name is 1,3-Dimethyl-1H-pyrazole-5-carboxylic acid, A new synthetic method of this compound is introduced below., category: pyrazoles-derivatives\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.pyrazoles-derivatives.com\/?p=2224\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The important role of 5744-56-9\" \/>\n<meta property=\"og:description\" content=\"Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. 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