Letter | Published:

Photo-decomposition of Aldehydes and Ketones

Naturevolume 140pages195196 (1937) | Download Citation



ALDEHYDES and ketones decompose in the gas phase in two main ways1. Type I, predominant with short chain compounds, may be represented RCOR' → CO + (RR + RR' + R'R'). Type II, predominant with long-chain compounds, involves a cracking of the long hydrocarbon chain in a position α–β to the carbonyl group, giving a lower carbonyl compound and an olefine.

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  1. 1

    Norrish and Appleyard, J. Chem. Soc., 874 (1934). Bamford and Norrish, J. Chem. Soc., 1504 (1935).

  2. 2

    Norrish and Bamford, NATURE, 138, 1016 (1936).

  3. 3

    Norrish and Kirkbride, J. Chem. Soc., 1518 (1932). Norrish, Trans. Farad. Soc., 30, 107 (1934); Acta Physica Chemica URSS, 3, 171 (1935).

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  1. University Chemical Laboratory, Cambridge

    • R. G. W. NORRISH
    •  & C. H. BAMFORD


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