Letter | Published:

Spontaneous Decomposition of a Sample of Pure Endrin

Nature volume 212, page 505 (29 October 1966) | Download Citation

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Abstract

IT is well known that both isodrin and endrin produce compounds containing a rearranged carbon skeleton when treated with acids, heat or ultra-violet light1–3. Both thermal and acid-catalysed decompositions of endrin yield mainly a ketone which has the same elementary formula as endrin but contains an additional five-membered ring and has lost the olefinic double-bond. This communication reports an instance in which a pure, recrystallized sample of endrin stored in the dark for several years under normal ambient temperature conditions underwent this rearrangement.

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References

  1. 1.

    , and , Chem. Indust., 703 (1959).

  2. 2.

    , , and , J. Agric. Food Chem., 10, 217 (1962).

  3. 3.

    , , , , and , J. Amer. Chem. Soc., 82, 5377 (1960).

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Affiliations

  1. Tropical Pesticides Research Unit, Porton Down, Salisbury, Wiltshire.

    • F. BARLOW

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DOI

https://doi.org/10.1038/212505a0

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