Chlorination of aromatic compounds

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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260619R, 260619, 260620, 260625, C07C 3928

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active

039313409

ABSTRACT:
Nuclear chlorination of aromatic compounds having an electron donating group is effected by contacting said aromatic compound with copper (II) chloride in an aqeuous hydrochloric acid solution and adding chlorine to the reaction system to maintain the mole ratio of (a) copper (I) chloride to (b) the sum of copper (I) chloride plus copper (II) chloride at more than 0.005/l but less than about 0.3/l.

REFERENCES:
patent: 2410497 (1946-11-01), Hentrich et al.
patent: 3510529 (1970-05-01), Van Ee
patent: 3542882 (1970-11-01), Ashall
Kosuwa et al., "J. Organic Chem." Vol. 28: pp. 630-633.
Clarens "Chem. Abstracts" Vol. 16, p. 2440 (1972).
Cini et al., "Chem. Abstract" Vol. 56, p. 14971c.

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