Imidazole derivatives as adenosine deaminase inhibitors

Details Imidazole derivatives as adenosine deaminase inhibitors Imidazole derivatives as adenosine deaminase inhibitors

2006-06-20

2006-06-20

Saeed, Kamal A. (Department: 1626)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

C548S333500

Reexamination Certificate

active

07064144

ABSTRACT:
Imidazole compounds having adenosine deaminase inhibitory activity represented by the formula (I) wherein R1 is aryl or heterocyclic group which is optionally substituted with substituent(s); R2is lower alkyl; R3is hydroxy or protected hydroxy; -A- is lower alkylene; and —X— is —O— or —S—; provided that when then R1is aryl which is substituted with substituent(s), or heterocyclic group which is optionally substituted with substituent(s), its prodrug, or their salt. The compounds are useful for treating and/or preventing diseases for which adenosine is effective.

REFERENCES:
patent: 6359145 (2002-03-01), Terasaka et al.
patent: 6596738 (2003-07-01), Terasaka et al.
patent: 2004/0097571 (2004-05-01), Tsuji et al.
patent: 00/05217 (2000-02-01), None
patent: 00/55155 (2000-09-01), None
patent: 01/26605 (2001-04-01), None
patent: 01/53271 (2001-07-01), None
U.S. Appl. No. 10/169,757, filed Oct. 22, 2002, Tsuji, et al.
U.S. Appl. No. 10/483,336, filed Jan. 12, 2004, Terasaka, et al.
U.S. Appl. No. 10/503,585, filed Aug. 12, 2004, Tsuji, et al.
U.S. Appl. No. 10/483,336, filed Jun. 30, 2004, Terasaka, et al.

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