{"id":5939,"date":"2021-08-19T03:07:22","date_gmt":"2021-08-18T19:07:22","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=5939"},"modified":"2021-08-19T03:07:22","modified_gmt":"2021-08-18T19:07:22","slug":"some-tips-on-c5h4n2o4","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=5939","title":{"rendered":"Some tips on C5H4N2O4"},"content":{"rendered":"<p>These common heterocyclic compound, 3112-31-0, name is 1H-Pyrazole-3,5-dicarboxylic acid, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route. <a href=\"https:\/\/www.ambeed.com\/products\/3112-31-0.html\">HPLC of Formula: C5H4N2O4<\/a><\/p>\n<p>Step 1; To a solution of Compound 14 (60 g, 345 mmol) in methanol (600 mL), under flow of nitrogen, thionyl chloride (75 mL, 1034 mmol) was added at 0C. The solution was then heated at reflux for 4 hours. The reaction mixture was concentrated in vacuo to yield crude product 15 (64.3 g). LC\/MS (Method A): 0.93 min, [M+H]+ = 185.<\/p>\n<p>The synthetic route of 1H-Pyrazole-3,5-dicarboxylic acid 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=EP3604311&#038;F=0\">Patent; Shionogi &amp; Co., Ltd.; EP2426135; (2012); 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 1H-Pyrazole-3,5-dicarboxylic acid 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":[140,131],"tags":[126],"class_list":["post-5939","post","type-post","status-publish","format-standard","hentry","category-3112-31-0","category-pyrazoles-derivatives","tag-m-w100-200"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Some tips on<\/title>\n<meta name=\"description\" content=\"These common heterocyclic compound, 3112-31-0, name is 1H-Pyrazole-3,5-dicarboxylic acid, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route. 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