{"id":10933,"date":"2022-11-10T04:21:56","date_gmt":"2022-11-09T20:21:56","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=10933"},"modified":"2022-11-10T04:21:56","modified_gmt":"2022-11-09T20:21:56","slug":"uehara-akihiros-team-published-research-in-journal-of-electroanalytical-chemistry-in-2004-03-01-cas-1691-93-6","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=10933","title":{"rendered":"Uehara, Akihiro’s team published research in Journal of Electroanalytical Chemistry in 2004-03-01 | CAS: 1691-93-6"},"content":{"rendered":"

Uehara, Akihiro published the artcileA new electrochemical method to study the distribution of weak acids at the aqueous|organic solution interface<\/i><\/b>, Safety of 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one<\/a>, the main research area is electrochem method weak acid distribution aqueous organic solution interface; phenylmethylbenzoylpyrazolone distribution aqueous organic solution interface electrochem method; phenylmethyltrifluoroacetylpyrazolone distribution aqueous organic solution interface electrochem method; thenoyltrifluoroacetone distribution aqueous organic solution interface electrochem method; dichloroethane water interface weak acid distribution electrochem method.<\/p>\n

The distribution process of a weak acid, HA, between an aqueous and an organic solution, W and O, was assumed to be the transfers of the dissociation products, H+ and A-, between W and O combined with the associations of H+ and A- in W and O. The transfers were considered to proceed depending on Gibbs energies for the transfer of H+ and A- from W to O, \u0394Gotr,H+ and \u0394Gotr,A-, and maintaining electroneutrality in both W and O. Then, a theor. equation was derived for quant. expressions of distribution ratios, D, of species relative to HA between W and O at various pH of W by using \u0394Gotr,H+ and \u0394Gotr,A- and acid dissociation constants of HA in W and O, Ka,W and Ka,O. The D calculated by substituting Ka,W, Ka,O, \u0394Gotr,H+ and \u0394Gotr,A- determined with the aid of electrochem. methods for those in the derived equation agreed well with D determined by the distribution experiments with W of wide pH range. The HA studied were chelating agents such as 1-phenyl-3-methyl-4-benzoyl-5-pyrazolone, 1-phenyl-3-methyl-4-trifluoroacetyl-5-pyrazolone and thenoyltrifluoroacetone.<\/p>\n

Journal of Electroanalytical Chemistry published new progress about Electrolysis (controlled potential-difference). 1691-93-6 belongs to class pyrazoles-derivatives, name is 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one, and the molecular formula is C12H9F3N2O2, Safety of 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one<\/a>.<\/p>\n

Referemce:
Pyrazole – Wikipedia<\/a>,
Pyrazoles – an overview | ScienceDirect Topics<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Journal of Electroanalytical Chemistry published new progress about Electrolysis (controlled potential-difference). 1691-93-6 belongs to class pyrazoles-derivatives, name is 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one, and the molecular formula is C12H9F3N2O2, Safety of 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one<\/a>.<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[775,131],"tags":[740],"class_list":["post-10933","post","type-post","status-publish","format-standard","hentry","category-1691-93-6","category-pyrazoles-derivatives","tag-m-w250-300"],"yoast_head":"\nUehara, Akihiro's team published research in Journal of Electroanalytical Chemistry in 2004-03-01 | CAS: 1691-93-6 | pyrazoles-derivatives<\/title>\n<meta name=\"description\" content=\"Uehara, Akihiro published the artcileA new electrochemical method to study the distribution of weak acids at the aqueous|organic solution interface, Safety of 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one, the main research area is electrochem method weak acid distribution aqueous organic solution interface; phenylmethylbenzoylpyrazolone distribution aqueous organic solution interface electrochem method; phenylmethyltrifluoroacetylpyrazolone distribution aqueous organic solution interface electrochem method; thenoyltrifluoroacetone distribution aqueous organic solution interface electrochem method; dichloroethane water interface weak acid distribution electrochem method.\" \/>\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=10933\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Uehara, Akihiro's team published research in Journal of Electroanalytical Chemistry in 2004-03-01 | CAS: 1691-93-6 | pyrazoles-derivatives\" \/>\n<meta property=\"og:description\" content=\"Uehara, Akihiro published the artcileA new electrochemical method to study the distribution of weak acids at the aqueous|organic solution interface, Safety of 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one, the main research area is electrochem method weak acid distribution aqueous organic solution interface; 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