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Ru(III) catalysed oxidation of sugar alcohols (sorbitol and xylitol) have been studied by N-chlorophthalimide (NCP) in aqueous acetic acid medium in presence of hydrochloric acid at 303 K. The reactions obeyed first-order in [NCP] and fractional-order each in [sugarol] and [H+]. The reactions under investigation follow kobs = c+d [H+] i.e. Bunnett-Olson model. The enhancement in rate was observed in the 10% to 40% (v/v) range of acetic acid. Ru(III) catalyses the reaction at low concentration showing first-order kinetic but declined to follow zero-order at its higher concentration. Michales-Menten equation was verified at transition state for complex. The plausible mechanism was proposed involving HOCl reacting species of oxidant stoichiometrically (1:1) in slow step to yield aldehydes as main products. The thermodynamic parameters and derived rate expression support the mechanism.
"Ruthenium (III) Catalyzed Oxidation of Sugar Alcohols by N-chlorophthalimide", International Journal of Science & Engineering Development Research (www.ijrti.org), ISSN:2455-2631, Vol.8, Issue 1, page no.45 - 49, January-2023, Available :http://www.ijrti.org/papers/IJRTI2301008.pdf
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2456-3315 | IMPACT FACTOR: 8.14 Calculated By Google Scholar| ESTD YEAR: 2016
An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.14 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator
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