{"id":12233,"date":"2023-02-09T10:52:25","date_gmt":"2023-02-09T02:52:25","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=12233"},"modified":"2023-02-09T10:52:25","modified_gmt":"2023-02-09T02:52:25","slug":"bischoff-christian-et-al-published-their-research-in-journal-fuer-praktische-chemie-chemiker-zeitung-in-1994-cas-51395-52-9","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=12233","title":{"rendered":"Bischoff, Christian et al. published their research in Journal fuer Praktische Chemie\/Chemiker-Zeitung in 1994 | CAS: 51395-52-9"},"content":{"rendered":"<p>Oxidation of pyrazolinones was written by Bischoff, Christian;Ramm, Matthias;Schroeder, Edith;Jancke, Harald. And the article was included in Journal fuer Praktische Chemie\/Chemiker-Zeitung in 1994.<a href=\"https:\/\/www.ambeed.com\/products\/51395-52-9.html\">Computed Properties of C4H5BrN2O<\/a> This article mentions the following:<\/p>\n<p>Oxidation of pyrazolinones <strong>I<\/strong> (R = H, Ph, CONH<sub>2<\/sub>) with H<sub>2<\/sub>O<sub>2<\/sub>\/HCOOH gave dimer <strong>II<\/strong> which underwent cleavage on treatment with either phenylhydrazine or Br<sub>2<\/sub> to pyrazolinones <strong>III<\/strong> (Q = :NNHPh, Br, resp.). In the experiment, the researchers used many compounds, for example, 4-Bromo-3-methyl-1H-pyrazol-5(4H)-one (cas: 51395-52-9<a href=\"https:\/\/www.ambeed.com\/products\/51395-52-9.html\">Computed Properties of C4H5BrN2O<\/a>).<\/p>\n<p>4-Bromo-3-methyl-1H-pyrazol-5(4H)-one (cas: 51395-52-9) belongs to pyrazole derivatives. An alternative way to synthesize multisubstituted pyrazoles is the Csingle bondH arylation of simple pyrazoles. The pyrazole ring is resistant to oxidation and reduction but the groups, such as alkyl and formyl attached to the ring, are oxidized to respective acids. Only electrolytic oxidation, ozonolysis, and a strong base cause ring opening.<a href=\"https:\/\/www.ambeed.com\/products\/51395-52-9.html\">Computed Properties of C4H5BrN2O<\/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>4-Bromo-3-methyl-1H-pyrazol-5(4H)-one (cas: 51395-52-9) belongs to pyrazole derivatives. An alternative way to synthesize multisubstituted pyrazoles is the Csingle bondH arylation of simple pyrazoles. The pyrazole ring is resistant to oxidation and reduction but the groups, such as alkyl and formyl attached to the ring, are oxidized to respective acids. Only electrolytic oxidation, ozonolysis, and a strong base cause ring opening.<a href=\"https:\/\/www.ambeed.com\/products\/51395-52-9.html\">Computed Properties of C4H5BrN2O<\/a><\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[613,131],"tags":[128],"class_list":["post-12233","post","type-post","status-publish","format-standard","hentry","category-51395-52-9","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>Bischoff, Christian et al. published their research in Journal fuer Praktische Chemie\/Chemiker-Zeitung in 1994 | CAS: 51395-52-9 | pyrazoles-derivatives<\/title>\n<meta name=\"description\" content=\"Oxidation of pyrazolinones was written by Bischoff, Christian;Ramm, Matthias;Schroeder, Edith;Jancke, Harald. 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