Matrix isolation and theoretical investigation of the photochemical reaction of CrCl2O2 with benzenes substituted with electron withdrawing groups

Matrix Isolation Studies of Photochemical and Thermal Reactions of 3- and 5-Membered Cyclic Hydrocarbons with CrCl2O2

“…Subsequent irradiation with light of λ > 300 nm led to the formation of strong product bands. These results are similar to recent systems studied in this laboratory. – Since most molecules do not diffuse within the argon lattice at 14 K, a photochemical reaction can only occur after twin jet deposition between reactants trapped within the same matrix cage. Cage pairs are formed from the statistical distribution of components of the system during the matrix condensation process.…”

“…In addition, the reaction of cyclohexene with CrCl 2 O 2 also led to the formation of cyclohexanone complexed to CrCl 2 O. In other recent studies in this laboratory with CrCl 2 O 2 and substituted benzenes, a similar product distribution was observed. – The present study examines the photochemical reactions of CrCl 2 O 2 with cyclic C 3 and C 5 compounds to further explore the nature of the oxidation reaction and the effects of increasing ring strain on the product distribution.…”

Characterisation of photochemically formed reactive species from kinetic and thermodynamic data using UV-Vis. Laser flash photolysis, Time resolved IR and matrix isolation techniques

“…17,18 Methyl-, halo-, nitrile-, and nitro-substituted benzenes were used in these studies. The chromylchloride and the substrate were deposited using the twin jet method, which minimises the possibility of a gas phase reaction.…”