Substituted fused pyrimidinones and dihydropyrimidinones

A substituted fused dihydropyrimidinone of the formula (I), or a salt thereof:

• in which:
• Q is the moiety:
• where R6, R7, and R8 are each as defined below;
• and
• where the arrow represents a bond to the N—R5 group;
• W is oxygen or sulfur;
• A is a C—R4 moiety;
• where R4 in the C—R4 moiety is in each case as defined below;
• R1, R2, and R3 are each hydrogen or fluorine;
• R4 is nitro, amino, hydroxyl, fluorine, chlorine, bromine, iodine, cyano, hydrothio, (C1-C4)-alkyl, (C3-C6)-cycloalkyl, (C2-C6)-alkenyl, (C2-C6)-alkynyl, aryl, aryl-(C1-C4)-alkyl, aryl-(C2-C6)-alkenyl, aryl-(C2-C6)-alkynyl, heteroaryl, (C3-C6)-cycloalkyl-(C1-C4)-alkyl, heteroaryl-(C2-C6)-alkenyl, heteroaryl-(C2-C6)-alkynyl, (C1-C4)-haloalkyl, (C3-C6)-halocycloalkyl, (C2-C6)-haloalkenyl, (C2-C6)-haloalkylalkynyl, (C1-C4)-trialkylsilyl-(C2-C6)-alkynyl, (C1-C4)-alkoxy-(C1-C4)-alkyl, (C1-C4)-alkoxy, (C1-C4)-haloalkoxy, (C2-C6)-alkenyloxy-(C1-C4)-alkyl, aryl-(C1-C4)-alkoxy, (C1-C6)-alkylamino, (C2-C6)-alkenylamino, (C2-C6)-alkynylamino, (C1-C4)-alkylthio, (C1-C4)-haloalkylthio, bis-(C1-C6)-alkylamino, (C3-C6)-cycloalkylamino, (C3-C6)-haloalkylamino, (C1-C6)-alkylcarbonylamino, (C3-C6)-cycloalkylcarbonylamino, (C1-C4)-haloalkylcarbonylamino, (C1-C4)-alkoxycarbonylamino, (C1-C4)-alkylaminocarbonylamino, (C1-C4)-alkylsulfonylamino, (C3-C6)-cycloalkylsulfonylamino, arylsulfonylamino, hetarylsulfonylamino, (C3-C6)-haloalkylsulfonylamino, (C1-C4)-alkylsulfonyl, (C1-C6)-haloalkylsulfonyl, arylsulfonyl, (C1-C4)-alkylsulfinyl, (C1-C4)-haloalkylsulfinyl, arylsulfinyl, (C3-C6)-cycloalkyl-(C1-C4)-alkoxy, (C1-C6)-alkynyl-(C1-C4)-alkoxy, (C2-C6)-alkenyl-(C1-C4)-alkoxy, (C2-C6)-alkenyloxy-(C1-C4)-alkoxy, (C1-C4)-alkyloxy-(C1-C4)-alkoxy, (C1-C4)-alkylamino-(C1-C4)-alkoxy, bis-(C1-C6)-alkylamino-(C1-C4)-alkoxy, or (C3-C6)-cycloalkylamino-(C1-C4)-alkoxy;
• R5 is hydrogen, (C1-C6)-alkyl, (C2-C6)-alkenyl, (C3-C6)-alkynyl, (C3-C6)-cycloalkyl, (C1-C6)-alkylthio-(C1-C6)-alkyl, (C1-C6)-alkoxy-(C1-C6)-alkyl, (C1-C4)-haloalkyl, (C3-C6)-cycloalkyl-(C1-C4)-alkyl, (C1-C6)-alkoxycarbonyl, (C1-C6)-alkylcarbonyl, (C3-C6)-cycloalkylcarbonyl, (C1-C6)-alkylaminocarbonyl, (C3-C6)-cycloalkylaminocarbonyl, (C1-C4)-haloalkylaminocarbonyl, (C2-C6)-alkynylaminocarbonyl, cyano-(C1-C6)-alkylaminocarbonyl, (C4-C7)-heterocycloalkylcarbonyl, heteroaryl-(C1-C7)-alkylaminocarbonyl, (C2-C6)-alkenyloxycarbonyl, (C3-C7)-cycloalkyl-(C1-C4)-alkoxycarbonyl, (C3-C7)-cycloalkyl-(C1-C4)-alkylaminocarbonyl, aryl-(C1-C4)-alkylaminocarbonyl, cyano-(C1-C6)-alkyl, nitro-(C1-C6)-alkyl, (C1-C7)-alkylamino-(C1-C7)-alkyl, bis-(C1-C7)-alkylamino-(C1-C7)-alkyl, aminocarbonyl-(C1-C7)-alkyl, (C1-C7)-alkylaminocarbonyl-(C1-C7)-alkyl, bis-(C1-C7)-alkylaminocarbonyl-(C1-C7)-alkyl, or (C1-C7)-alkoxycarbonyl-(C1-C7)-alkyl;
• R6 is hydrogen, formyl, hydroxyl, amino, (C1-C6)-alkyl, (C2-C6)-alkenyl, (C2-C6)-alkynyl, (C3-C6)-cycloalkyl, (C1-C6)-alkylthio-(C1-C6)-alkyl, (C1-C6)-alkoxy-(C1-C6)-alkyl, (C1-C4)-haloalkyl, aryl-(C1-C4)-alkyl, aryl-(C2-C6)-alkenyl, (C3-C6)-cycloalkyl-(C1-C4)-alkyl, (C1-C6)-alkoxycarbonyl, (C1-C6)-alkylcarbonyl, (C3-C6)-cycloalkylcarbonyl, (C1-C6)-alkylaminocarbonyl, (C3-C6)-cycloalkylaminocarbonyl, (C1-C4)-haloalkylaminocarbonyl, (C2-C6)-alkynylaminocarbonyl, cyano-(C1-C6)-alkylaminocarbonyl, (C4-C7)-heterocycloalkylcarbonyl, heteroaryl-(C1-C7)-alkylaminocarbonyl, (C2-C6)-alkenyloxycarbonyl, (C3-C7)-cycloalkyl-(C1-C4)-alkoxycarbonyl, (C3-C7)-cycloalkyl-(C1-C4)-alkylaminocarbonyl, aryl-(C1-C4)-alkylaminocarbonyl, cyano-(C1-C6)-alkyl, nitro-(C1-C6)-alkyl, heteroaryl-(C1-C4)-alkyl, (C1-C7)-alkylamino-(C1-C7)-alkyl, bis-(C1-C7)-alkylamino-(C1-C7)-alkyl, aminocarbonyl-(C1-C7)-alkyl, (C1-C7)-alkylaminocarbonyl-(C1-C7)-alkyl, bis-(C1-C7)-alkylaminocarbonyl-(C1-C7)-alkyl, or (C1-C7)-alkoxycarbonyl-(C1-C7)-alkyl;
• R7 is aryl-(C2-C4)-alkenyl, aryl-(C2-C4)-haloalkenyl, heteroaryl-(C2-C4)-alkenyl, heteroaryl-(C2-C4)-haloalkenyl, (C3-C7)-heterocycloalkyl-(C2-C4)-alkynyl, (C3-C7)-heterocycloalkenyl-(C2-C4)-alkynyl, (C3-C7)-heterocycloalkyl-(C2-C4)-alkenyl, (C3-C7)-heterocycloalkenyl-(C2-C4)-alkenyl, (C3-C7)-heterocycloalkyl-(C1-C4)-alkyl, or (C3-C7)-heterocycloalkenyl-(C1-C4)-alkyl, where the heteroatom in the heteroaryl, heterocycloalkyl, and heterocycloalkenyl optionally bears a charge;
• and
• R8 is H or (C1-C6)-alkyl.