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Kinetics and mechanism of oxidation of allyl, crotyl and cinnamyl alcohol by chromium(V) (1990)

Sreelatha, Gantla ; Prasada Rao, Mulakaluri ; Sethuram, Bangalore ; [et al.]

Springer

Transition metal chemistry 15 (1990), S. 31-33

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ISSN: 1572-901X

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology

Notes: Summary The kinetics of oxidation of unsaturated alcoholsviz. allyl, crotyl and cinnamyl alcohol by sodium bis[2-ethyl-2-hydroxy butanoato (2−)] oxochromate(V) Crv, has been investigated in 25% (v/v) aq. HOAc:HClO4. The order in [oxidant] and [substrate] was 1.0 and 0.7 respectively. The oxidation rate increased with increase in [2-ethyl-2-hydroxybutyric acid] (EHBA) and decreased with increase in the percentage of HOAc. The rate decreases slightly with increase in [H_]. The unsaturated alcohols exhibited higher reactivity compared to their saturated analogues. A mechanism involving the formation of a complex between Crv and alcohol which in turn disproportionates into products in a slow step is advanced to explain the kinetic results.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01032227

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