{"id":12090,"date":"2023-01-30T07:04:01","date_gmt":"2023-01-29T23:04:01","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=12090"},"modified":"2023-01-30T07:04:01","modified_gmt":"2023-01-29T23:04:01","slug":"habraken-clarisse-l-et-al-published-their-research-in-recueil-des-travaux-chimiques-des-pays-bas-in-1966-cas-5334-39-4","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=12090","title":{"rendered":"Habraken, Clarisse L. et al. published their research in Recueil des Travaux Chimiques des Pays-Bas in 1966 | CAS: 5334-39-4"},"content":{"rendered":"

Pyrazoles. I. Ionization constants and ultraviolet spectra of 4-nitropyrazoles was written by Habraken, Clarisse L.;Van Woerkom, P. C. M.;De Wind, H. W.;Kallenberg, C. G. M.. And the article was included in Recueil des Travaux Chimiques des Pays-Bas in 1966.HPLC of Formula: 5334-39-4<\/a> This article mentions the following:<\/p>\n

Uv spectral data for 3(5)-methyl-4-nitropyrazole, 3,5-dimethyl-4-nitropyrazole, 1-methyl-4-nitropyrazole, and 1,3,-5-trimethyl-4-nitropyrazole, and ionization constants for the 1st 2 compounds are tabulated. The data indicate the absence of a steric effect of ortho-methyl groups in 4-nitropyrazoles. The findings corroborate the investigations of Ehrlich (CA 55, 2237f). In the experiment, the researchers used many compounds, for example, 3-Methyl-4-nitro-1H-pyrazole (cas: 5334-39-4HPLC of Formula: 5334-39-4<\/a>).<\/p>\n

3-Methyl-4-nitro-1H-pyrazole (cas: 5334-39-4) belongs to pyrazole derivatives. Pyrazole has two ring nitrogen atoms in which N1 is pyrrolic and N2 is pyridine-like. The N1 nitrogen is not reactive but is deprotonated in the presence of a base-forming anion. Pyrazoles and pyrimidines have diverse biological and pharmacological activities. There are a number of antimicrobial compounds containing pyrazole moiety as the core unit. Pyrazofurin is important antimicrobial drug and 2-methylpyrimidine-4-ylamine derivatives I and II were found to be effective inhibitors of Escherichia coli PDHc-E1 with antibacterial and antifungal activity.HPLC of Formula: 5334-39-4<\/a><\/p>\n

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

3-Methyl-4-nitro-1H-pyrazole (cas: 5334-39-4) belongs to pyrazole derivatives. Pyrazole has two ring nitrogen atoms in which N1 is pyrrolic and N2 is pyridine-like. The N1 nitrogen is not reactive but is deprotonated in the presence of a base-forming anion. Pyrazoles and pyrimidines have diverse biological and pharmacological activities. There are a number of antimicrobial compounds containing pyrazole moiety as the core unit. Pyrazofurin is important antimicrobial drug and 2-methylpyrimidine-4-ylamine derivatives I and II were found to be effective inhibitors of Escherichia coli PDHc-E1 with antibacterial and antifungal activity.HPLC of Formula: 5334-39-4<\/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-12090","post","type-post","status-publish","format-standard","hentry","category-pyrazoles-derivatives","tag-100-200"],"yoast_head":"\nHabraken, Clarisse L. et al. published their research in Recueil des Travaux Chimiques des Pays-Bas in 1966 | CAS: 5334-39-4 | pyrazoles-derivatives<\/title>\n<meta name=\"description\" content=\"Pyrazoles. I. Ionization constants and ultraviolet spectra of 4-nitropyrazoles was written by Habraken, Clarisse L.;Van Woerkom, P. C. M.;De Wind, H. W.;Kallenberg, C. G. M.. 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