{"id":11928,"date":"2023-01-04T08:11:31","date_gmt":"2023-01-04T00:11:31","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=11928"},"modified":"2023-01-04T08:11:31","modified_gmt":"2023-01-04T00:11:31","slug":"mitra-p-et-al-published-their-research-in-journal-of-the-indian-chemical-society-in-1984-cas-51395-52-9","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=11928","title":{"rendered":"Mitra, P. et al. published their research in Journal of the Indian Chemical Society in 1984 | CAS: 51395-52-9"},"content":{"rendered":"<p>Heterocyclic fungicides. Part IV was written by Mitra, P.;Mittra, A. S.. And the article was included in Journal of the Indian Chemical Society in 1984.<a href=\"https:\/\/www.ambeed.com\/products\/51395-52-9.html\">Electric Literature of C4H5BrN2O<\/a> This article mentions the following:<\/p>\n<p>Thiazolidones <strong>I<\/strong> [R = Ph, C<sub>6<\/sub>H<sub>4<\/sub>OMe, C<sub>6<\/sub>H<sub>4<\/sub>NO<sub>2<\/sub>, C<sub>6<\/sub>H<sub>4<\/sub>OH, C<sub>6<\/sub>H<sub>3<\/sub>(OH)OMe, CH:CHPh, C<sub>6<\/sub>H<sub>4<\/sub>NMe<sub>2<\/sub>, furyl] condensed with bromopyrazolinones <strong>II<\/strong> (R<sup>1<\/sup> = H, Ph) to give thiazolidonylpyrazolinones <strong>III<\/strong>. At 1000 ppm, <strong>III<\/strong> gave 28.0-66.0% inhibition of spore germination for <em>P<\/em>. <em>oryzae<\/em> and <em>H<\/em>. <em>oryzae<\/em>. The most effective compounds were <strong>III<\/strong> (R = Ph, C<sub>6<\/sub>H<sub>4<\/sub>NO<sub>2<\/sub>-2, CH:CHPh, R<sup>1<\/sup> = H, Ph; R = C<sub>6<\/sub>H<sub>4<\/sub>NO<sub>2<\/sub>-3, C<sub>6<\/sub>H<sub>4<\/sub>OMe, R<sup>1<\/sup> = Ph), with 51.4-66.0% germination inhibition for both fungi at 1000 ppm. 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\">Electric Literature of C4H5BrN2O<\/a>).<\/p>\n<p>4-Bromo-3-methyl-1H-pyrazol-5(4H)-one (cas: 51395-52-9) belongs to pyrazole derivatives. Pyrazole is a weak base, with pKb 11.5 (pKa of the conjugated acid 2.49 at 25 \u00b0C).Pyrazole used as a ligand to prepare organometallic compounds. 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\">Electric Literature 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. Pyrazole is a weak base, with pKb 11.5 (pKa of the conjugated acid 2.49 at 25 \u00b0C).Pyrazole used as a ligand to prepare organometallic compounds. 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\">Electric Literature 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":[131],"tags":[128],"class_list":["post-11928","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>Mitra, P. et al. published their research in Journal of the Indian Chemical Society in 1984 | CAS: 51395-52-9 | pyrazoles-derivatives<\/title>\n<meta name=\"description\" content=\"Heterocyclic fungicides. Part IV was written by Mitra, P.;Mittra, A. S.. 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