in solid matrix Irradiation (UV/VIS); Ar-matrix; 16 K, 1000 W Hg-Xe lamp, 363 nm, 3 h; reaction partly reversed by irradiation at 445 nm for 6 min; not isolated, detd. by IR spectroscopy; product ratio changing by irradiation at 313 nm;

in solid matrix Irradiation (UV/VIS); Ar-matrix contg. 2percent CO; 16 K, 1000 W Hg-Xe lamp, 363 nm, 120 min; reaction partly reversed by irradiation at 445 nm for 20 min; not isolated, detd. by IR spectroscopy; product ratio changing by irradiation at 313 nm;