Oxidative halogenation of aromatic compound

Details Oxidative halogenation of aromatic compound Oxidative halogenation of aromatic compound

2006-08-01

2006-08-01

Witherspoon, Sikarl A. (Department: 1621)

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

Organic compounds

Halogen containing

C570S203000, C570S206000, C570S207000, C570S208000, C570S210000

Reexamination Certificate

active

07084317

ABSTRACT:
A process for the halogenation of an aromatic compound wherein the aromatic compound is admixed with a halogenating agent in the presence of an ionic liquid is described. The method in preferably halide, sulfur or nitrate ionic liquids has significant advantages over conventional halogenation reactions. These are that the reaction starts with, e.g., a halide salt rather than, e.g., a halogen, and is therefore more convenient and safer. Also, when the reaction is performed in a nitrate ionic liquid, the only by-product is water.

REFERENCES:
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patent: 1159950 (1969-07-01), None
patent: 1077874 (1984-03-01), None
patent: WO 89/08630 (1989-09-01), None
patent: WO 00 37400 (2000-06-01), None
Boon et al., “Catalysis and Reactivity of Electrophilic Reactions in Room Temperature Choroaluminate Molten Salts”,J. Electrochem. Soc. 134:C510 (1987).

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