{"id":12072,"date":"2023-01-30T07:02:31","date_gmt":"2023-01-29T23:02:31","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=12072"},"modified":"2023-01-30T07:02:31","modified_gmt":"2023-01-29T23:02:31","slug":"perevalov-v-p-et-al-published-their-research-in-khimiya-geterotsiklicheskikh-soedinenii-in-1983-cas-54210-32-1","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=12072","title":{"rendered":"Perevalov, V. P. et al. published their research in Khimiya Geterotsiklicheskikh Soedinenii in 1983 | CAS: 54210-32-1"},"content":{"rendered":"<p>Amination of isomeric bromo-1-methylnitropyrazoles was written by Perevalov, V. P.;Baryshnenkova, L. I.;Andreeva, M. A.;Manaev, Yu. A.;Denisova, I. A.;Stepanov, B. I.;Seraya, V. I.. And the article was included in Khimiya Geterotsiklicheskikh Soedinenii in 1983.<a href=\"https:\/\/www.ambeed.com\/products\/54210-32-1.html\">Related Products of 54210-32-1<\/a> This article mentions the following:<\/p>\n<p>Bromination of 1-methylpyrazole by Br-AcOH gave 53% of a mixture of 4,5-dibromo- and 3,4-dibromo-1-methylpyrazoles, which was nitrated to give 5-bromo-4-nitropyrazole (<strong>I<\/strong>) and 3-bromo-4-nitropyrazole. Amination of <strong>I<\/strong> by aqueous NH<sub>3<\/sub> gave 5-amino-4-nitro-1-methylpyrazole. Amination of 4-bromo-5-nitro-1-methylpyrazole gave 4-amino-5-nitro-1-methylpyrazole; amination of 4-bromo-3-nitro-1-methylpyrazole gave 4-amino-3-nitro- and 3-nitro-1-methylpyrazoles. In the experiment, the researchers used many compounds, for example, 1-Methyl-3-nitro-1H-pyrazole (cas: 54210-32-1<a href=\"https:\/\/www.ambeed.com\/products\/54210-32-1.html\">Related Products of 54210-32-1<\/a>).<\/p>\n<p>1-Methyl-3-nitro-1H-pyrazole (cas: 54210-32-1) belongs to pyrazole derivatives. An alternative way to synthesize multisubstituted pyrazoles is the Csingle bondH arylation of simple pyrazoles. Pyrazoles can be selectively lithiated at different carbons and subsequently react with electrophiles depending on the substitution patterns.<a href=\"https:\/\/www.ambeed.com\/products\/54210-32-1.html\">Related Products of 54210-32-1<\/a><\/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>1-Methyl-3-nitro-1H-pyrazole (cas: 54210-32-1) belongs to pyrazole derivatives. An alternative way to synthesize multisubstituted pyrazoles is the Csingle bondH arylation of simple pyrazoles. Pyrazoles can be selectively lithiated at different carbons and subsequently react with electrophiles depending on the substitution patterns.<a href=\"https:\/\/www.ambeed.com\/products\/54210-32-1.html\">Related Products of 54210-32-1<\/a><\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[131],"tags":[128],"class_list":["post-12072","post","type-post","status-publish","format-standard","hentry","category-pyrazoles-derivatives","tag-100-200"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Perevalov, V. P. et al. published their research in Khimiya Geterotsiklicheskikh Soedinenii in 1983 | CAS: 54210-32-1 | pyrazoles-derivatives<\/title>\n<meta name=\"description\" content=\"Amination of isomeric bromo-1-methylnitropyrazoles was written by Perevalov, V. P.;Baryshnenkova, L. I.;Andreeva, M. A.;Manaev, Yu. A.;Denisova, I. A.;Stepanov, B. I.;Seraya, V. I.. And the article was included in Khimiya Geterotsiklicheskikh Soedinenii in 1983.Related Products of 54210-32-1 This article mentions the following:\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.pyrazoles-derivatives.com\/?p=12072\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Perevalov, V. P. et al. published their research in Khimiya Geterotsiklicheskikh Soedinenii in 1983 | CAS: 54210-32-1 | pyrazoles-derivatives\" \/>\n<meta property=\"og:description\" content=\"Amination of isomeric bromo-1-methylnitropyrazoles was written by Perevalov, V. P.;Baryshnenkova, L. I.;Andreeva, M. A.;Manaev, Yu. A.;Denisova, I. A.;Stepanov, B. I.;Seraya, V. I.. 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