Method for the dehalogenation of ethers

Details Method for the dehalogenation of ethers Method for the dehalogenation of ethers

1980-08-08

1982-06-08

Mars, Howard T.

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

Organic compounds

Oxygen containing

568683, 568684, C07C 4124, C07C 4144, C07C 4118

Patent

active

043341055

ABSTRACT:
Methods for the dehalogenation of various haloethers are disclosed, comprising providing a haloether having the formula CX'.sub.3 -[CY.sub.2 ].sub.n -O-CZ.sub.2 -CX.sub.3 in which X', Y, Z and X are specifically disclosed combinations of hydrogen, fluorine chlorine and bromine such that the molecule includes at least one reducible group, but where both portions of any ethyl groups present are not reducible. Dehalogenation of these haloethers is carried out by contacting same with a hydrogen donor comprising an amine, preferably a primary or secondary amine or a primary, secondary or tertiary alkanol amine. The amine is preferably used in combination with a catalyst, such as a varivalent metal or a salt thereof, such as copper or a copper salt.

REFERENCES:
patent: 2691052 (1954-10-01), Cines
patent: 3391204 (1968-07-01), Young

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