Aromatic nitration reactions

Details Aromatic nitration reactions Aromatic nitration reactions

2005-06-14

2005-06-14

Davis, Brian (Department: 1621)

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

Organic compounds

Oxygen containing

C568S928000, C568S931000, C568S940000

Reexamination Certificate

active

06906231

ABSTRACT:
A process for the nitration of an aromatic compound, wherein the aromatic compound is admixed with a nitrating agent in the presence of an ionic liquid is described. The method for the nitration of aromatic compounds in (e.g. neutral) ionic liquids has advantages over conventional nitrations, such as the only by-product being water, the ionic liquid not being consumed and the nitrating agent being relatively inexpensive.

REFERENCES:
patent: 3415876 (1968-12-01), Boonstra et al.
patent: 4804792 (1989-02-01), Mason et al.
patent: 5099079 (1992-03-01), Quakenbush
patent: 1 104 751 (2001-06-01), None
The Merck Index, 12thedition, 1996, Merck & Co., Inc., Whitehouse Station, NJ, p. 1132 entry 6685.
K.K. Laali et al., “Electophilic Nitration of Aromatics in Ionic Liquid Solvents,”J. Organic Chem., vol. 66, No. 1, pp. 35-40. (2001).

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