Letter | Published:

Stability of the Acetyl Radical

Nature volume 135, pages 307308 (23 February 1935) | Download Citation



IT is usually supposed that free acyl radicals do not survive the shock of thermal or photo-dissociation of the molecule from which they might be formed or, if formed, decompose further before they can react with other molecules to give rise to isolable products. Thus Rice has shown that no diacetyl results from the thermal decomposition of acetaldehyde1, and Norrish has concluded as a result of his studies of the decomposition of aldehydes and ketones that both of the bonds between the carbonyl group and the two groups attached to it are broken practically simultaneously, the two groups then, in general, uniting to form a saturated paraffin2.

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  1. 1.

    , Trans. Far. Soc., 30, 168; 1934.

  2. 2.

    and , idem., 27, 407; 1931.

  3. 3.

    and , Ber., 64, 2844; 1931.

  4. 4.

    and , J. Phys. Chem., 37, 367; 1933.

  5. 5.

    and , J. Am. Chem. Soc., 55, 2370; 1933.

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  1. King's College, Strand, London, W.C.2.

    • M. BARAK
    •  & D. W. G. STYLE


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