Quinazolinone derivatives as ALDH-2 inhibitors

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

Reexamination Certificate

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C544S287000, C548S131000

Reexamination Certificate

active

07951813

ABSTRACT:
Disclosed are novel quinazolinone derivatives of formula:wherein:R1is optionally substituted phenyl or optionally substituted heteroaryl;R2is 3-hydroxy, 4-hydroxy, 3-NHR4or 4-NHR4, in which R4is hydrogen, —C(O)R5, —C(O)NHR6, or —SO2R6; in whichR5is optionally substituted lower alkyl or optionally substituted lower alkoxy; andR6is optionally substituted lower alkyl;R3is hydrogen, lower alkyl, lower alkoxy, or halo;V is oxygen, sulfur, or —NH—; andW is lower alkylene of 1-3 carbon atoms,which are useful as ALDH-2 inhibitors for treating mammals for various disease states, such as treatment for cocaine dependency and alcohol dependency.

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Int'l. Search Report mailed Sep. 9, 2008, Int'l. Application No. PCT/US2008/059304; Filing Date Apr. 3, 2008.

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