{"id":5678,"date":"2021-08-03T03:22:49","date_gmt":"2021-08-02T19:22:49","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=5678"},"modified":"2021-08-03T03:22:49","modified_gmt":"2021-08-02T19:22:49","slug":"analyzing-the-synthesis-route-of-398495-65-3","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=5678","title":{"rendered":"Analyzing the synthesis route of 398495-65-3"},"content":{"rendered":"<p>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. 398495-65-3, name is 5-tert-Butyl 1-ethyl 3-aminopyrrolo[3,4-c]pyrazole-1,5(4H,6H)-dicarboxylate, A new synthetic method of this compound is introduced below., <a href=\"https:\/\/www.ambeed.com\/products\/398495-65-3.html\">Formula: C13H20N4O4<\/a><\/p>\n<p>Synthesis of compound 11b Compound 9b (200 mg, 0.67 mmol), and DIPEA (103 mg, 0.8 mmol) were dissolved in dichloromethane (25 ml), and cool down with ice water; 4-(chloromethyl)benzoyl chloride (compound 10b: 151 mg, 0.8 mmol) was dissolved in dichloromethane (25 ml), add drops at 0-5 C to the reaction solution, rise to the room temperature, and stir for 16 hours, vacuum evaporate the reaction solution and dissolve the residue with ethyl acetate, and wash the organic phase with water, dry the organic phase with sodium sulfate, evaporate the solvent with lower pressure, purify the residue with silica gel layer chromatography (ethyl acetate: petroleum ester=1:2), to give the yellow solid(compound 11b: 220 mg, 73% yield). 1H NMR (400 MHz, CD3OD) delta 7.98 (d, J=8.4 Hz, 2H). 7.60 (d, J=7.6 Hz, 2H). 4.74 (s, 2H), 4.69 (s, 4H), 4.50 (q, J=7.2 Hz, 2H), 1.55 (s, 9H), 1.45 (t, J=7.2 Hz, 3H).<\/p>\n<p>The synthetic route of 398495-65-3 has been constantly updated, and we look forward to future research findings.<\/p>\n<p>Reference:<br \/><a href=\"http:\/\/v3.espacenet.com\/textdoc?DB=EPODOC&#038;IDX=EP3133069&#038;F=0\">Patent; Chengdu University; ZHENG, Zhebin; (36 pag.)EP3133069; (2017); A1;<\/a>,<br \/><a href=\"https:\/\/en.wikipedia.org\/wiki\/Pyrazole\">Pyrazole &#8211; Wikipedia<\/a>,<br \/><a href=\"https:\/\/www.sciencedirect.com\/topics\/chemistry\/pyrazoles\">Pyrazoles &#8211; an overview | ScienceDirect Topics<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The synthetic route of 398495-65-3 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":[354,131],"tags":[127],"class_list":["post-5678","post","type-post","status-publish","format-standard","hentry","category-398495-65-3","category-pyrazoles-derivatives","tag-m-w200-300"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Analyzing the synthesis route of<\/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. 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