Abstract
WHEN 1,3-dichlorotetranuoro acetone is photolysed, two CF2Cl radicals and a molecule of carbon monoxide are formed. The CF2Cl radicals combine to form 1,2-di-chlorotetrafluoro ethane, and abstract chlorine atoms from the parent ketone to form dichlorodifluoro methane1; but, in addition to these products, a significant amount of 1,3-dichlorohexafluoro propane is found in the photolysis mixture. At first it was considered that this arose from a secondary photolysis of 1,4-dichlorohexafluoro acetone formed as a result of the chlorine abstraction reaction, but quantitative investigations2 showed that it could not originate in this way.
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References
Bowles, R., Derbyshire, H., Majer, J. R., and Robb, J. C., Nature, 185, 683 (1960).
Bowles, R., Majer, J. R., and Robb, J. C., Trans. Faraday Soc., 58, 1541 (1962).
Gunning, H. E. (private communication).
Mastrangelo, S. V. R., J. Amer. Chem. Soc., 84, 1122 (1962).
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MAJER, J., PHILLIPS, D. Disproportionation of Halogenated Alkyl Radicals. Nature 203, 1165–1167 (1964). https://doi.org/10.1038/2031165b0
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DOI: https://doi.org/10.1038/2031165b0
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