A Colour Reaction Applicable to the Pyrethrins

Abstract

HESTRIN1 has described the analytical application of a reaction between carboxylic acid derivatives and hydroxylamine. The reaction product gives a coloured complex with ferric chloride in acid solution. This reaction takes place with the pyrethrins and their synthetic analogues, and coloured complexes are formed with ferric chloride.

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References

  1. 1

    Hestrin, S., J. Biol. Chem., 180, 249 (1949).

  2. 2

    Barthel, W. F., Haller, H. L., and LaForge, F. B., Soap, 65 (1944).

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LORD, K. A Colour Reaction Applicable to the Pyrethrins. Nature 165, 567–568 (1950) doi:10.1038/165567b0

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