{"id":11984,"date":"2023-01-05T03:44:33","date_gmt":"2023-01-04T19:44:33","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=11984"},"modified":"2023-01-05T03:44:33","modified_gmt":"2023-01-04T19:44:33","slug":"zhao-ji-ping-et-al-published-their-research-in-advanced-synthesis-catalysis-in-2020-cas-5334-39-4","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=11984","title":{"rendered":"Zhao, Ji-Ping et al. published their research in Advanced Synthesis &amp; Catalysis in 2020 | CAS: 5334-39-4"},"content":{"rendered":"<p>Electrochemical Nonacidic N-Nitrosation\/N-Nitration of Secondary Amines through a Biradical Coupling Reaction was written by Zhao, Ji-Ping;Ding, Lu-jia;Wang, Peng-Cheng;Liu, Ying;Huang, Min-Jun;Zhou, Xin-Li;Lu, Ming. And the article was included in Advanced Synthesis &amp; Catalysis in 2020.<a href=\"https:\/\/www.ambeed.com\/products\/5334-39-4.html\">Quality Control of 3-Methyl-4-nitro-1H-pyrazole<\/a> This article mentions the following:<\/p>\n<p>An acid-free N-nitrosation\/nitration of the N-H bonds in secondary amines\/azoles with Fe(NO<sub>3<\/sub>)<sub>3<\/sub> \u00b7 9H<sub>2<\/sub>O as the nitroso\/nitro source through an electrocatalyzed radical coupling reaction was developed to give nitroso-amines <strong>I<\/strong> [R = piperidin-1-yl, pyrrolidin-1-yl, morpholin-4-yl, etc.] and nitro-azoles <strong>II<\/strong> [R<sup>1<\/sup> = 3-Me-pyrazol-1-yl, imidazol-1-yl, benzotriazol-1-yl, etc.] under mild conditions. Control and competition experiments, as well as kinetic studies demonstrated that N-nitrosation and N-nitration involved two different radical reaction pathways involving N<sup>+<\/sup> and N<sup>.<\/sup> radicals. Moreover, the electrocatalysis method enabled the preferential activation of the N-H bond over the electrode and thus provided high selectivity for specific N atoms. This strategy exhibited a broad scope and provided a green and straightforward approach to generate useful compounds <strong>I<\/strong> and <strong>II<\/strong> in good yields. In the experiment, the researchers used many compounds, for example, 3-Methyl-4-nitro-1H-pyrazole (cas: 5334-39-4<a href=\"https:\/\/www.ambeed.com\/products\/5334-39-4.html\">Quality Control of 3-Methyl-4-nitro-1H-pyrazole<\/a>).<\/p>\n<p>3-Methyl-4-nitro-1H-pyrazole (cas: 5334-39-4) belongs to pyrazole derivatives. The strategies for the synthesis of pyrazoles generally can be applied for the construction of indazoles. Pyrazoles are commonly used scaffold molecules in drug discovery projects. The use of pyrazole derivatives is based on their analgesic, anti-inflammatory, antipyretic, antiarrhythmic, sedative, muscle relaxant, neuroleptic, anticonvulsant, monoamine oxidase inhibitory, antidiabetic and antibacterial activities.<a href=\"https:\/\/www.ambeed.com\/products\/5334-39-4.html\">Quality Control of 3-Methyl-4-nitro-1H-pyrazole<\/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>3-Methyl-4-nitro-1H-pyrazole (cas: 5334-39-4) belongs to pyrazole derivatives. The strategies for the synthesis of pyrazoles generally can be applied for the construction of indazoles. Pyrazoles are commonly used scaffold molecules in drug discovery projects. The use of pyrazole derivatives is based on their analgesic, anti-inflammatory, antipyretic, antiarrhythmic, sedative, muscle relaxant, neuroleptic, anticonvulsant, monoamine oxidase inhibitory, antidiabetic and antibacterial activities.<a href=\"https:\/\/www.ambeed.com\/products\/5334-39-4.html\">Quality Control of 3-Methyl-4-nitro-1H-pyrazole<\/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-11984","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>Zhao, Ji-Ping et al. published their research in Advanced Synthesis &amp; Catalysis in 2020 | CAS: 5334-39-4 | pyrazoles-derivatives<\/title>\n<meta name=\"description\" content=\"Electrochemical Nonacidic N-Nitrosation\/N-Nitration of Secondary Amines through a Biradical Coupling Reaction was written by Zhao, Ji-Ping;Ding, Lu-jia;Wang, Peng-Cheng;Liu, Ying;Huang, Min-Jun;Zhou, Xin-Li;Lu, Ming. 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And the article was included in Advanced Synthesis &amp; Catalysis in 2020.Quality Control of 3-Methyl-4-nitro-1H-pyrazole This article mentions the following:","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.pyrazoles-derivatives.com\/?p=11984","og_locale":"en_US","og_type":"article","og_title":"Zhao, Ji-Ping et al. published their research in Advanced Synthesis &amp; Catalysis in 2020 | CAS: 5334-39-4 | pyrazoles-derivatives","og_description":"Electrochemical Nonacidic N-Nitrosation\/N-Nitration of Secondary Amines through a Biradical Coupling Reaction was written by Zhao, Ji-Ping;Ding, Lu-jia;Wang, Peng-Cheng;Liu, Ying;Huang, Min-Jun;Zhou, Xin-Li;Lu, Ming. And the article was included in Advanced Synthesis &amp; Catalysis in 2020.Quality Control of 3-Methyl-4-nitro-1H-pyrazole This article mentions the following:","og_url":"https:\/\/www.pyrazoles-derivatives.com\/?p=11984","og_site_name":"pyrazoles-derivatives","article_published_time":"2023-01-04T19:44:33+00:00","author":"Jessica.F","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Jessica.F","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.pyrazoles-derivatives.com\/?p=11984","url":"https:\/\/www.pyrazoles-derivatives.com\/?p=11984","name":"Zhao, Ji-Ping et al. published their research in Advanced Synthesis &amp; Catalysis in 2020 | CAS: 5334-39-4 | pyrazoles-derivatives","isPartOf":{"@id":"https:\/\/www.pyrazoles-derivatives.com\/#website"},"datePublished":"2023-01-04T19:44:33+00:00","author":{"@id":"https:\/\/www.pyrazoles-derivatives.com\/#\/schema\/person\/d9a9f27bed675392c6f363a01ffd49f1"},"description":"Electrochemical Nonacidic N-Nitrosation\/N-Nitration of Secondary Amines through a Biradical Coupling Reaction was written by Zhao, Ji-Ping;Ding, Lu-jia;Wang, Peng-Cheng;Liu, Ying;Huang, Min-Jun;Zhou, Xin-Li;Lu, Ming. 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