Patent ID: 8569295

Claim:
A compound of Formula (I): or a pharmaceutically acceptable salt thereof, wherein: X is a bond, NH, O, S, or CH 2 NH or CH 2 O, wherein NH or O moieties are connected to the 2-oxo-1,2,3,4-tetrahydropyrido[2,3-d]pyrimidine moiety, Q is a 5- or 6-membered monocyclic, or 9- or 10-membered bycyclic, aromatic, homo- or heterocycle having 1 or 2 N, O and/or S atoms, which may be unsubstituted or, independently of one another, mono- or disubstituted by Hal, LA, C(Hal) 3 , OC(Hal) 3 , OH, SH, O(LA), NH 2 , NH(LA), N(LA) 2 , NO 2 , CN, OCN, 4-fluorophenyl, oxo or SCN, M is a bond, CH 2 , CO, SO 2 , CONH, NHCO, NHCONH, SO 2 NH, NHSO 2 , NHSO 2 NH or CH 2 NHCO, wherein the CO moiety is connected to Q, R 1 is H, A, Ar or Ar-A, R 2 is H, or R 1 and R 2 together with the N and C atoms to which they are attached, may form a 5- or 6-membered aliphatic heterocycle having 1 or 2 N, O and/or S atoms, which may be unsubstituted or substituted by Hal, A, OH, NH 2 or CN, R 3 is A or Q, or R 3 -M may be absent, Ar is a mono- or bicyclic aromatic homo- or heterocycle having 1 to 4 N, O and/or S atoms and 5to 10 skeleton atoms, which may be unsubstituted or, independently of one another, mono-, di- or trisubstituted by Hal, A, OH, SH, OA, NH 2 , NHA, NA 2 , NO 2 , CN, OCN, SCN, COOH, COOA, CONH 2 , CONHA, CONH(LAr), CONA 2 , NHCOA, NHCO(LAr), NHCONHA, NHCONH 2 , NHSO 2 A, CHO, COA, SO 2 NH 2 , SO 2 A and/or SO 2 Hal, A is unbranched or branched, linear or cyclic alkyl having 1, 2, 3, 4, 5, 6, 7 or 8 C atoms, in which one or two CH 2 groups may be replaced by an O or S atom and/or by an NH, CO, N(LA), SO 2 , CONH, NHCO or —CH═CH—group, and in which 1-3 H atoms may be replaced by Hal, and in which one or two CH 3 groups may be replaced by OH, SH, NH 2 , NH(LA), N(LA) 2 , NHCOOH, NHCONH 2 , N 3 , NO 2 or CN, LA is unbranched or branched, linear alkyl having 1, 2, 3 or 4 C atoms, Hal is F, Cl, Br or I.