{"id":5061,"date":"2021-06-30T03:17:03","date_gmt":"2021-06-29T19:17:03","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=5061"},"modified":"2021-06-30T03:17:03","modified_gmt":"2021-06-29T19:17:03","slug":"analyzing-the-synthesis-route-of-1572-10-7","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=5061","title":{"rendered":"Analyzing the synthesis route of 1572-10-7"},"content":{"rendered":"

Application of 1572-10-7<\/a>, 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 1572-10-7 as follows.<\/p>\n

Step 1: 5-Methyl-2-phenylpyrazolo[1,5-a]pyrimidin-7(4H)-one A mixture of 5-phenyl-1H-pyrazol-3-ylamine (501 mg, 3.15 mmol) and 3-oxobutanoic acid ethyl ester (0.433 mL, 3.39 mmol) in anhydrous toluene (2.9 mL) is heated at 120 C. in a sealed vial. After 2 hr, the reaction is cooled to room temperature. The precipitate is collected in a Buchner funnel and washed with hexanes to afford 5-methyl-2-phenylpyrazolo[1,5-a]pyrimidin-7(4H)-one (577 mg, yield 81%). LCMS: (AA) M+1 226; 1H NMR (400 MHz, DMSO) delta 12.35 (s, 1H), 8.01-7.92 (m, 2H), 7.49-7.43 (m, 2H), 7.42-7.37 (m, 1H), 6.57 (s, 1H), 5.60 (s, 1H), 2.29 (s, 3H).<\/p>\n

According to the analysis of related databases, 1572-10-7, the application of this compound in the production field has become more and more popular.<\/p>\n

Reference:
Patent; Millennium Pharmaceuticals, Inc.; Afroze, Roushan; Bharathan, Indu T.; Ciavarri, Jeffrey P.; Fleming, Paul E.; Gaulin, Jeffrey L.; Girard, Mario; Langston, Steven P.; Soucy, Francois; Wong, Tzu-Tshin; Ye, Yingchun; US2013\/217682; (2013); A1;<\/a>,
Pyrazole – Wikipedia<\/a>,
Pyrazoles – an overview | ScienceDirect Topics<\/p>\n","protected":false},"excerpt":{"rendered":"

According to the analysis of related databases, 1572-10-7, 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":[416,131],"tags":[126],"class_list":["post-5061","post","type-post","status-publish","format-standard","hentry","category-1572-10-7","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"\nAnalyzing the synthesis route of<\/title>\n<meta name=\"description\" content=\"Application of 1572-10-7, 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. 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