Journal of the American Chemical Society p. 55 - 59 (1982)
Update date:2022-08-16
Topics:
Tumas, William
Gitlin, Barbara
Rosan, Alan M.
Yardley, James T.
We have found that irradiation of Cr(CO)6-1-butene mixtures in the gas phase with a KrF laser (248 nm) results in the efficient (yield ca. 0.2) isomerisation of 1-butene to 2-butene, in marked contrast to results in solution.The primary photochemical yield is independent of 1-butene pressure and of Cr(CO)6 pressure over wide pressure ranges.Secondary photochemical processes are also found, the importance of which depends upon 1-butene pressure.We also report yields of species Cr(CO)m(PF3)6-m resulting from irradiation of Cr(CO)6-PF3 mixtures at 248 nm.At high dilution
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