{"id":5540,"date":"2021-07-27T03:19:32","date_gmt":"2021-07-26T19:19:32","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=5540"},"modified":"2021-07-27T03:19:32","modified_gmt":"2021-07-26T19:19:32","slug":"application-of-c6h9n3o2-2","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=5540","title":{"rendered":"Application of C6H9N3O2"},"content":{"rendered":"<p><a href=\"https:\/\/www.ambeed.com\/products\/637336-53-9.html\">Reference of 637336-53-9<\/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 637336-53-9 as follows.<\/p>\n<p>Isoamyl nitrite (1 .3 ml_, 9.67mmol) was added drop-wise to a suspension of methyl 4- amino-1 -methyl-1 H-pyrazole-3-carboxylate (p70, 1 g, 6.45 mmol), CuBr2 (1 .44 g, 6.45 mmol) and CuBr (924 mg, 6.45 mmol) in MeCN (25 ml_). The resulting mixture was stirred at 80 C for 2 hrs. After cooling to RT the volatiles were evaporated under vacuum and the residue was purified by FC on S1O2 column (eluting from cHex to 40% EtOAc) to afford methyl 4-bromo- 1 -methyl- 1 H-pyrazole-3-carboxylate (p71 , 500 mg, y= 35 %) as brown solid. MS (mlz): 220.9 [MH]+<\/p>\n<p>According to the analysis of related databases, 637336-53-9, the application of this compound in the production field has become more and more popular.<\/p>\n<p>Reference:<br \/><a href=\"https:\/\/doi.org\/10.1021\/ml400251g\">Patent; CHRONOS THERAPEUTICS LIMITED; MICHELI, Fabrizio; CREMONESI, Susanna; SEMERARO, Teresa; TARSI, Luca; GIBSON, Karl Richard; (116 pag.)WO2019\/81939; (2019); 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>According to the analysis of related databases, 637336-53-9, 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":[375,131],"tags":[126],"class_list":["post-5540","post","type-post","status-publish","format-standard","hentry","category-637336-53-9","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>Application of<\/title>\n<meta name=\"description\" content=\"Reference of 637336-53-9, 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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