Symmetric and asymmetric proton transfer from heptane and octane radical cations to heptane molecules in γ-irradiated n-C7H16-n-C8H18-2-C6H 13CL crystals: Structural disorder in mixed alkan
A study has been made of the isomeric composition of secondary chloroheptanes formed upon γ-irradiation at 77 K and subsequent melting of heptane containing 1 mol% 2-chlorohexane and various concentrations of octane. It is observed that the relative impor
Demeyer, Adelheid,Ceulemans, Jan
p. 1875 - 1881
(2007/10/03)
THE PHOTOCHEMICAL CHLOROSULFONATION OF HEPTANE BY SULFURYL CHLORIDE. THE ROLE OF SOLVENT AND CATALYST. A REINVESTIGATION.
Sulfuryl chloride has been tested as a chlorosulfonation reagent of n-heptane under various conditions.Pyridine was confirmed as the best catalyst for the reaction and the sulfochlorination yield was found to be enhanced by the use of benzene as solvent.The distribution of all the isomeric chlorinated and sulfochlorinated products has been measured.This information is used in order to understand the mechanism of this rather complex reaction.The catalyzed photoinitiation leads to the in situ formation of a low concentration of molecular chlorine.The observed selectivity is the result of a delicate balance between the photoinitiation leading the chlorine atoms and the rather short chain propagations leading to the formation of the chlorosulfonyl radical.