Method of preparing 4-(imidazol-1-yl)benzenesulphonamide...

Details Method of preparing 4-(imidazol-1-yl)benzenesulphonamide... Method of preparing 4-(imidazol-1-yl)benzenesulphonamide...

2008-04-01

2008-04-01

Stockton, Laura L. (Department: 1626)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

07351836

ABSTRACT:
Process for the preparation of 4-(imidazol-1-yl)benzenesulfonamide derivatives of formula I, wherein R1represents optionally substituted aryl or heteroaryl, which comprises treating a compound of formula II, wherein R1has the same meaning defined in the formula I and Buttrepresents tert-butyl, with an acid. The 4-(imidazol-1-yl)benzenesulfonamide derivatives of formula I are useful as anti-inflammatory agents

REFERENCES:
patent: WO 99/64415 (1999-12-01), None
patent: WO 00/23426 (2000-04-01), None
patent: WO 01/70704 (2001-09-01), None
Johnson et al., CA 6:22088, 1912.

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