{"id":10609,"date":"2022-10-27T02:48:23","date_gmt":"2022-10-26T18:48:23","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=10609"},"modified":"2022-10-27T02:48:23","modified_gmt":"2022-10-26T18:48:23","slug":"meador-rowan-i-l-team-published-research-in-organics-in-2022-37622-90-5","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=10609","title":{"rendered":"Meador, Rowan I. L. team published research in Organics  in 2022 | 37622-90-5"},"content":{"rendered":"<p>Pyrazoles and pyrimidines have diverse biological and pharmacological activities.  37622-90-5, formula is C6H8N2O2, Name is  Ethyl 4-pyrazolecarboxylate.  There are a number of antimicrobial compounds containing pyrazole moiety as the core unit. <a href=\"https:\/\/www.ambeed.com\/products\/37622-90-5.html\">Formula: C6H8N2O2<\/a>.<\/p>\n<p>Meador, Rowan I. L.;Mate, Nilamber A.;Chisholm, John D. research published \u300a Acid Catalyzed N-Alkylation of Pyrazoles with Trichloroacetimidates\u300b, the research content is summarized as follows. A new method for the N-alkylation of pyrazoles has been developed using trichloroacetimidate electrophiles C(Cl)<sub>3<\/sub>C=(NH)OR<sup>1<\/sup> (R<sup>1<\/sup> = 1-phenylethyl, 1-(naphthalen-2-yl)ethyl, benzyl, 2H-1,3-benzodioxol-5-yl(phenyl)methyl, etc.) and a Bronsted acid catalyst. These reactions provide ready access to N-alkyl pyrazoles, e.g., <strong>I<\/strong>, which are present in a variety of medicinally relevant lead structures. Benzylic, phenethyl and benzhydryl trichloroacetimidates provide good yields of the N-alkyl pyrazole products. Unsym. pyrazoles provide a mixture of the two possible regioisomers, with the major product being controlled by sterics. This methodol. provides an alternative to other alkylation methods that require strong base or high temperature<\/p>\n<p><a href=\"https:\/\/www.ambeed.com\/products\/37622-90-5.html\">Formula: C6H8N2O2<\/a>, Ethyl 4-pyrazolecarboxylate, also known as Ethyl pyrazole-4-carboxylate, is a useful research compound. Its molecular formula is C6H8N2O2 and its molecular weight is 140.14 g\/mol. The purity is usually 95%.<\/p>\n<p>Ethyl pyrazole-4-carboxylate is a low yield, transition metal salt that is used in the synthesis of pyrazoles. It can be synthesized by the reaction of sodium ethoxide with ethyl chloroformate and a Grignard reagent. Sodium ethoxide is added to a suspension of sodium chloride and dried ethyl chloroformate, followed by addition of magnesium turnings. The mixture is refluxed for one hour, cooled, and filtered to give crystals. Ethyl pyrazole-4-carboxylate is used in the preparation of ethyl esters from aliphatic alcohols by reacting with boron trichloride or phosphorus pentachloride. It participates in certain chemical reactions as a byproduct and can damage equipment during chemical reactions. The yield of this compound can be increased by using an excess amount of Grignard reagent or adding hexamethylenetetramine to the reaction mixture, 37622-90-5.<\/p>\n<p>Referemce:<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<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p><a href=\"https:\/\/www.ambeed.com\/products\/37622-90-5.html\">Formula: C6H8N2O2<\/a>, Ethyl 4-pyrazolecarboxylate, also known as Ethyl pyrazole-4-carboxylate, is a useful research compound. Its molecular formula is C6H8N2O2 and its molecular weight is 140.14 g\/mol. The purity is usually 95%.<\/p>\n<p>Ethyl pyrazole-4-carboxylate is a low yield, transition metal salt that is used in the synthesis of pyrazoles. It can be synthesized by the reaction of sodium ethoxide with ethyl chloroformate and a Grignard reagent. Sodium ethoxide is added to a suspension of sodium chloride and dried ethyl chloroformate, followed by addition of magnesium turnings. The mixture is refluxed for one hour, cooled, and filtered to give crystals. Ethyl pyrazole-4-carboxylate is used in the preparation of ethyl esters from aliphatic alcohols by reacting with boron trichloride or phosphorus pentachloride. It participates in certain chemical reactions as a byproduct and can damage equipment during chemical reactions. The yield of this compound can be increased by using an excess amount of Grignard reagent or adding hexamethylenetetramine to the reaction mixture, 37622-90-5.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[218,131],"tags":[732],"class_list":["post-10609","post","type-post","status-publish","format-standard","hentry","category-37622-90-5","category-pyrazoles-derivatives","tag-m-w100-150"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Meador, Rowan I. L. team published research in Organics in 2022 | 37622-90-5 | pyrazoles-derivatives<\/title>\n<meta name=\"description\" content=\"Pyrazoles and pyrimidines have diverse biological and pharmacological activities. 37622-90-5, formula is C6H8N2O2, Name is Ethyl 4-pyrazolecarboxylate. 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