Chlorination process

Details Chlorination process Chlorination process

1980-05-08

1982-04-27

Love, Ethel G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260466, 260505R, 260961, 260694, 546 98, 546180, 560 18, 560 75, 560 83, 560145, 562602, 564218, 564442, 568326, 568335, 568424, 568656, 570144, 570207, 570208, 570209, C07C12150, C07B 900

Patent

active

043270360

ABSTRACT:
Process for nuclear chlorination of non-phenolic aromatic compounds, said process comprising contacting and reacting a non-phenolic aromatic compound having a net Hammett .sigma. value of about -0.1 to about 2.0 with chlorine monoxide in the presence of at least one-half an equivalent amount, based on the chlorine monoxide, of an acid having a pK.sub.a no greater than that of trichloroacetic acid, provided, however, when the net Hammett .sigma. value is about 0.7 to about 2.0, the acid has a pK.sub.a no greater than that of trifluoroacetic acid.

REFERENCES:
patent: 2835700 (1958-05-01), Boyle
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patent: 3916014 (1975-10-01), Nishihara et al.
patent: 4226783 (1980-10-01), Marsh
Renard et al., Chem. Reviews, 76,487-508 (1976).
Effenberger et al., Chem. Ber. 112, 1677-1688 (1979).
Chao et al., J. Org. Chem. 26, 1079-1081 (1961).
Scholl, Ber. 33, 723 (1900).
Goldschmidt et al., Ber. 58B, 566 (1925).
Chip et al., Canadian J. Chem. 50(8), 1233 (1972).

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