Oxidation of Some Aliphatic Alcohols by Pyridinium Chlorochromate -Kinetics and Mechanism | Zendy

Sapana Jain | Zendy; B. L. Hiran | Zendy; Chandni Bhatt | Zendy

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Oxidation of Some Aliphatic Alcohols by Pyridinium Chlorochromate -Kinetics and Mechanism

Author(s) -

Sapana Jain,

B. L. Hiran,

Chandni Bhatt

Publication year - 2008

Publication title -

journal of chemistry

Language(s) - English

Resource type - Journals

eISSN - 2090-9063

pISSN - 2090-9071

DOI - 10.1155/2009/907071

Subject(s) - pyridinium chlorochromate , chemistry , alcohol oxidation , kinetics , perchloric acid , pyridinium , solvent , alcohol , organic chemistry , butanol , reaction rate constant , medicinal chemistry , inorganic chemistry , ethanol , physics , quantum mechanics

Kinetics of oxidation of some aliphatic primary and secondary alcohols viz., ethanol, propan-1-ol, propan-2-ol, butan-1-ol, butan-2-ol and 2-methyl butanol by pyridinium chlorochromate (PCC) have been studied in water- perchloric acid medium. The reaction shows first order dependence with respect to pyridinium chlorochromate [PCC] and hydrogen ion [H+]. The rate of oxidation decreases with increase in dielectric constant of solvent suggests ion-dipole interaction. Activation parameters have been evaluated. Products are carbonyl compounds and free radical absence was proved. A tentative mechanism has been proposed

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