Process for converting 2,2-dichlorovinylcyclopropanes to dibromo

Details Process for converting 2,2-dichlorovinylcyclopropanes to dibromo Process for converting 2,2-dichlorovinylcyclopropanes to dibromo

1979-01-03

1980-02-12

Mars, Howard T.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

560124, C07C 5100, C07C 6730

Patent

active

041884922

ABSTRACT:
Treatment of 3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylic acids and esters with aluminum bromide, the reaction product of aluminum and a bromoalkane, or HBr and the product of the reaction of HBr with aluminum or an aluminum salt produces the 3-(2,2-dibromovinyl)-2,2-dimethylcyclopropane analogs.

REFERENCES:
patent: 2553518 (1951-05-01), Lake
Bailar, "Comprehensive Inorganic Chemistry," p. 1013 (Pregamon Press, Oxford, Eng., 1973).
Gattermann-Wieland, "Laboratory Methods of Organic Chemistry," pp. 342-343 (Macmillan & Co., London, England, 1952).
Jolles, "Bromine and Its Compounds," pp. 383-384 (Academic Press, New York, N.Y. 1966).
Mellor, "Inorganic and Theoretical Chemistry," vol. V, pp. 324-327 (Longmans, Green & Co., New York, N.Y., 1956).
Trotter, J. Org. Chem. 28, p. 2093 (1963).
Yagupolskii, J. Gen. Chem., USSR, 37, p. 1686, (1967).

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