Kinetics and mechanism of the addition of iodine monochloride to alkenes in acetic acid.

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概要

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• A kinetic investigation of the addition of iodine monochloride (ICl) to some allyl and vinyl compounds in dry acetic acid medium has been carried out at 20,30,40, and 50 °C. In all the cases, the reaction obeys a total third order kinetics, second order in ICl and first order in the substrate. The product formed has been analysed by <SUP>1</SUP>H NMR technique. The reaction stoichiometry was found to be 1:1. The formation of a 1:1 complex between an alkene and ICl has been established for the first time spectrophotometrically and the equilibrium constant evaluated. The effect of the addition of the chloride ion on the reaction rate has been studied. The kinetic and thermodynamic parameters evaluated strongly suggest a mechanism involving dipole-dipole interaction with a bridged iodonium ion intermediate.

• 公益社団法人 日本化学会の論文

著者

• Ganesan Ramachandran

  Department of Physical Chemistry, University of Madras

• Viswanathan Seshaiyer

  Department of Physical Chemistry, University of Madras

• Amirtha Nagarajan

  Department of Physical Chemistry, University of Madras

関連論文

• Kinetics and mechanism of the addition of iodine monochloride to alkenes in acetic acid.
• Kinetics and mechanism of bromine addition to derivatives of unsaturated aliphatic carboxylic acids in aqueous solution.

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