Process for the side-chain chlorination of perhalogenated methyl

Details Process for the side-chain chlorination of perhalogenated methyl Process for the side-chain chlorination of perhalogenated methyl

1978-05-15

1980-07-15

Helfin, Bernard

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

Organic compounds

Oxygen containing

260651R, 560221, C07C 4100, C07C 1714

Patent

active

042129966

ABSTRACT:
Process for the side-chain chlorination of aromatic compounds completely halogenated in the nucleus, containing methyl groups, and having the general formulas: ##STR1## wherein y=1 or 2, z=0 to 1, x=6-(y+z), n=0 to 8 and k=(8-n) and the methyl groups are, respectively, in the ortho, meta or para position to one another and in the p-position to the oxygen bridge, by thermal chlorination in the liquid phase. The bis-monochloromethyl compounds of formula (II) are novel compounds. The chlorination products are useful as intermediates.

REFERENCES:
patent: 2994653 (1961-08-01), Miller
patent: 2998459 (1961-08-01), Baker et al.
patent: 3004072 (1961-10-01), Doedens et al.
patent: 3170959 (1965-02-01), Trapp
patent: 3275708 (1966-09-01), Bylsma
patent: 3419626 (1968-12-01), Pyne et al.
patent: 3883481 (1975-05-01), Kopetz et al.
patent: 3928478 (1975-12-01), Johnson
patent: 3965197 (1976-06-01), Stepniczko

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