Process for preparing aromatic bromine compounds

Organic compounds -- part of the class 532-570 series – Organic compounds – Halogen containing

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570191, 570144, 570147, 560 8, 562493, C07C 2124, C07C 1712

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048555177

ABSTRACT:
Aromatic bromine compounds are prepared by reacting aromatic nitro compounds with elemental bromine in the gas phase at temperatures between about 310.degree. to 550.degree. C. In this reaction, the nitro groups are selectively replaced by bromine; further bromination of the aromatic system beyond that does not take place.

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patent: 4582948 (1986-04-01), Tang et al.
Dhar, "J. Chem. Soc.", vol. 117, pp. 993 (1920).
S. N. Dhar, J. Chem. Soc. (1920), 117, 993.
Hackh's Chemical Dictionary, 3rd Ed., McGraw-Hill Book Company, Inc. at p. 395.
Organic Chemistry, 3rd Ed. by Morrison & Boyd, Allyn and Bacon, Inc. at p. 45.

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