Letter | Published:

Positive Bromine Ions

Nature volume 166, pages 6869 (08 July 1950) | Download Citation

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Abstract

RECENTLY, several authors have postulated the existence of positive monovalent bromine ions on purely theoretical grounds1,2, or in order to explain the fact that hypobromous acid (HOBr) acts as a powerful brominating agent in strongly acid solutions3. This latter mechanism of substitution is very similar to that of nitration in strong sulphuric acid solution as suggested by several investigators4–6. Pyridine complexes of positive iodine and bromine ions have been prepared by the reaction of the halogen with silver nitrate in organic solvents7,8.

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References

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    , J. Chem. Soc., 696 (1947).

  2. 2.

    , Ann. Rep. Chem. Soc., 44, 79 (1947).

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    , and , Nature, 164, 446 (1949).

  4. 4.

    , Nature, 163, 599 (1949).

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    , , , , and , Nature, 163, 599 (1949).

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    , , , and , Nature, 163, 955 (1949); see also their bibliography.

  7. 7.

    , and , J. allgem. Chemie (Russian), 1 (63), 1258 (1931); 4, 194 (1934); Ber. deut. Chem. Ges., 68, 824 (1935).

  8. 8.

    , Ber. deut. Chem. Ges., 68, 2209 (1935); Z. angew. Chem., 46, 747 (1933).

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Affiliations

  1. Körösy Laboratory, Budapest. Jan. 26.

    • K. GONDA-HUNWALD
    • , G. GRÁF
    •  & F. KÖRÖSY

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DOI

https://doi.org/10.1038/166068a0

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