in not given byproducts: CO; Irradiation (UV/VIS); Ar-atmosphere; near-UV light, 298 K; not isolated, reaction followed by IR and (1)H-NMR spectroscopy;

in 2-methyl cyclohexane Irradiation (UV/VIS); Ar-atmosphere; near-UV light, 77 K; not isolated, reaction followed by IR spectroscopy;