Substituted quinoxalines as FGFR kinase inhibitors

1. A compound selected from the group consisting of a compound of formula (I):

a tautomeric form, and stereochemically isomeric form thereof, wherein

W is —N(R 3 )— or —C(R 3a R 3b )—;

each R 2 is independently selected from hydroxyl, halogen, cyano, C 1-4 alkyl, C 2-4 alkenyl, C 2-4 alkynyl, C 1-4 alkoxy, hydroxyC 1-4 alkyl, hydroxyC 1-4 alkoxy, haloC 1-4 alkyl, haloC 1-4 alkoxy, hydroxyhaloC 1-4 alkyl, hydroxyhaloC 1-4 alkoxy, C 1-4 alkoxyC 1-4 alkyl, haloC 1-4 alkoxyC 1-4 alkyl, C 1-4 alkoxyC 1-4 alkyl wherein each C 1-4 alkyl may optionally be substituted with one or two hydroxyl groups, hydroxyhaloC 1-4 alkoxyC 1-4 alkyl, R 13 , C 1-4 alkyl substituted with R 13 , C 1-4 alkyl substituted with —C(═O)—R 13 , C 1-4 alkoxy substituted with R 13 , C 1-4 alkoxy substituted with —C(═O)—R 13 , —C(═O)—R 13 , C 1-4 alkyl substituted with —NR 7 R 8 , C 1-4 alkyl substituted with —C(═O)—NR 7 R 8 , C 1-4 alkoxy substituted with —NR 7 R 8 , C 1-4 alkoxy substituted with —C(═O)—NR 7 R 8 , —NR 7 R 8 and —C(═O)—NR 7 R 8 ; or when two R 2 groups are attached to adjacent carbon atoms they may be taken together to form a radical of formula:

—O—(C(R 17 ) 2 ) p —O—;

—X—CH═CH—; or

—X—CH═N—;

wherein R 17 represents hydrogen or fluorine, p represents 1 or 2 and X represents O or S;

Y represents —CR 18 ═N—OR 19 or -E-D;

E represents a bond, —(CR 22 R 23 ) n —, C 2-4 alkenediyl optionally substituted with R 22 , C 2-4 alkynediyl optionally substituted with R 22 , —CO—(CR 22 R 23 ) s —, —(CR 22 R 23 ) s —CO—, —NR 22 —(CR 22 R 23 ) s —, —(CR 22 R 23 ) s —NR 22 —, —O—(CR 22 R 23 ) s —, —(CR 22 R 23 ) s —O—, —S(O) m —(CR 22 R 23 ) s —, —(CR 22 R 23 ) s —S(O) m —, —(CR 22 R 23 ) s —CO—NR 22 —(CR 22 R 23 ) s — or —(CR 22 R 23 ) s —NR 22 —CO—(CR 22 R 23 ) s —;

D represents a 3 to 12 ring membered monocyclic or bicyclic carbocyclyl or a 3 to 12 ring membered monocyclic or bicyclic heterocyclyl containing at least one heteroatom selected from N, O and S, wherein said carbocyclyl and heterocyclyl may each be optionally substituted by one or more R 1 groups;

provided that when Y represents -E-D, and E represents a bond, then D does not represent

 wherein R 1′ represents hydrogen, C 1-6 alkyl, C 2-4 alkenyl, hydroxyC 1-6 alkyl, haloC 1-6 alkyl, hydroxyhaloC 1-6 alkyl, cyanoC 1-4 alkyl, C 1-6 alkoxyC 1-6 alkyl wherein each C 1-6 alkyl may optionally be substituted with one or two hydroxyl groups, C 1-6 alkyl substituted with —NR 4 R 5 , C 1-6 alkyl substituted with —C(═O)—NR 4 R 5 , —S(═O) 2 —C 1-6 alkyl, —S(═O) 2 —haloC 1-6 alkyl, —S(═O) 2 —NR 14 R 15 , C 1-6 alkyl substituted with —S(═O) 2 —C 1-6 alkyl, C 1-6 alkyl substituted with —S(═O) 2 —haloC 1-6 alkyl, C 1-6 alkyl substituted with —S(═O) 2 —NR 14 R 15 , C 1-6 alkyl substituted with —NH—S(═O) 2 —C 1-6 alkyl, C 1-6 alkyl substituted with —NH—S(═O) 2 —haloC 1-6 alkyl, C 1-6 alkyl substituted with —NR 12 —S(═O) 2 —NR 14 R 15 , R 6 , C 1-6 alkyl substituted with R 6 , C 1-6 alkyl substituted with —C(═O)—R 6 , hydroxyC 1-6 alkyl substituted with R 6 , C 1-6 alkyl substituted with —Si(CH 3 ) 3, C 1-6 alkyl substituted with —P(═O)(OH) 2 or C 1-6 alkyl substituted with —P(═O)(OC 1-6 alkyl) 2 ; and each R 1a is independently selected from hydrogen, C 1-4 alkyl, hydroxyC 1-4 alkyl, C 1-4 alkyl substituted with amino or mono- or di(C 1-4 alkyl)amino or —NH(C 3-8 cycloalkyl), cyanoC 1-4 alkyl, C 1-4 alkoxyC 1-4 alkyl, and C 1-4 alkyl substituted with one or more fluoro atoms;

R 1 represents hydrogen, halo, cyano, C 1-6 alkyl, C 1-6 alkoxy, —C(═O)—O—C 1-6 alkyl, C 2-4 alkenyl, hydroxyC 1-6 alkyl, haloC 1-6 alkyl, hydroxyhaloC 1-6 alkyl, cyanoC 1-4 alkyl, C 1-6 alkoxyC 1-6 alkyl wherein each C 1-6 alkyl may optionally be substituted with one or two hydroxyl groups, —NR 4 R 5 , C 1-6 alkyl substituted with —O—C(═O)—C 1-6 alkyl, C 1-6 alkyl substituted with —NR 4 R 5 , —C(═O)—NR 4 R 5 , —C(═O)—C 1-6 alkyl-NR 4 R 5 , C 1-6 alkyl substituted with —C(═O)—NR 4 R 5 , —S(═O) 2 —C 1-6 alkyl, —S(═O) 2 -haloC 1-6 alkyl, —S(═O) 2 —NR 14 R 15 , C 1-6 alkyl substituted with —S(═O) 2 —C 1-6 alkyl, C 1-6 alkyl substituted with —S(═O) 2 -haloC 1-6 alkyl, C 1-6 alkyl substituted with —S(═O) 2 —NR 14 R 15 , C 1-6 alkyl substituted with —NH—S(═O) 2 —C 1-6 alkyl, C 1-6 alkyl substituted with —NH—S(═O) 2 -haloC 1-6 alkyl, C 1-6 alkyl substituted with —NR 12 —S(═O) 2 —NR 14 R 15 , R 6 , C 1-6 alkyl substituted with R 6 , —C(═O)—R 6 , C 1-6 alkyl substituted with —C(═O)—R 6 , hydroxyC 1-6 alkyl substituted with R 6 , C 1-6 alkyl substituted with —Si(CH 3 ) 3 , C 1-6 alkyl substituted with —P(═O)(OH) 2 or C 1-6 alkyl substituted with —P(═O)(OC 1-6 alkyl) 2 ;

R 3a represents —NR 10 R 11 , hydroxyl, C 1-6 alkoxy, hydroxyC 1-6 alkoxy, C 1-6 alkoxy substituted with —NR 10 R 11 , C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, haloC 1-6 alkyl optionally substituted with —O—C(═O)—C 1-6 alkyl, hydroxyC 1-6 alkyl optionally substituted with —O—C(═O)—C 1-6 alkyl, hydroxyC 2-6 alkenyl, hydroxyC 2-6 alkynyl, hydroxyhaloC 1-6 alkyl, cyanoC 1-6 alkyl, C 1-6 alkyl substituted with carboxyl, C 1-6 alkyl substituted with —C(═O)—C 1-6 alkyl, C 1-6 alkyl substituted with —C(═O)—O—C 1-6 alkyl, C 1-6 alkyl substituted with C 1-6 alkoxyC 1-6 alkyl-O—C(═O)—, C 1-6 alkyl substituted with C 1-6 alkoxyC 1-6 alkyl-C(═O)—, C 1-6 alkyl substituted with —O—C(═O)—C 1-6 alkyl, C 1-6 alkoxyC 1-6 alkyl wherein each C 1-6 alkyl may optionally be substituted with one or two hydroxyl groups or with —O—C(═O)—C 1-6 alkyl, C 2-6 alkenyl substituted with C 1-6 alkoxy, C 2-6 alkynyl substituted with C 1-6 alkoxy, C 1-6 alkyl substituted with R 9 and optionally substituted with —O—C(═O)—C 1-6 alkyl, C 1-6 alkyl substituted with —C(═O)—R 9 , C 1-6 alkyl substituted with hydroxyl and R 9 , C 2-6 alkenyl substituted with R 9 , C 2-6 alkynyl substituted with R 9 , C 1-6 alkyl substituted with —NR 10 R 11 , C 2-6 alkenyl substituted with —NR 10 R 11 , C 2-6 alkynyl substituted with —NR 10 R 11 , C 1-6 alkyl substituted with hydroxyl and —NR 10 R 11 , C 1-6 alkyl substituted with one or two halogens and —NR 10 R 11 , —C 1-6 alkyl-C(R 12 )═N—O—R 12 , C 1-6 alkyl substituted with —C(═O)—NR 10 R 11 , C 1-6 alkyl substituted with —O—C(═O)—NR 10 R 11 , —S(═O) 2 —C 1-6 alkyl, —S(═O) 2 -haloC 1-6 alkyl, —S(═O) 2 —NR 14 R 15 , C 1-6 alkyl substituted with —S(═O) 2 —C 1-6 alkyl, C 1-6 alkyl substituted with —S(═O) 2 -haloC 1-6 alkyl, C 1-6 alkyl substituted with —S(═O) 2 —NR 14 R 15 , C 1-6 alkyl substituted with —NR 12 —S(═O) 2 —C 1-6 alkyl, C 1-6 alkyl substituted with —NH—S(═O) 2 -haloC 1-6 alkyl, C 1-6 alkyl substituted with —NR 12 —S(═O) 2 —NR 14 R 15 , R 13 , C 1-6 alkyl substituted with —P(═O)(OH) 2 or C 1-6 alkyl substituted with —P(═O)(OC 1-6 alkyl) 2 ;

R 3b represents hydrogen or hydroxyl; provided that if R 3a represents —NR 10 R 11 , then R 3b represents hydrogen; or

R 3a and R 3b are taken together to form ═O, to form ═NR 10 , to form cyclopropyl together with the carbon atom to which they are attached, to form ═CH—C 0-4 alkyl substituted with R 3c , or to form

 wherein ring A is a monocyclic 5 to 7 membered saturated heterocycle containing one heteroatom selected from N, O and S, said heteroatom not being positioned in alpha position of the double bond, wherein ring A is optionally being substituted with cyano, C 1-4 alkyl, hydroxyC 1-4 alkyl, H 2 N—C 1-4 alkyl, (C 1-4 alkyl)NH—C 1-4 alkyl, (C 1-4 alkyl) 2 N—C 1-4 alkyl, haloC 1-4 alkyl)NH—C 1-4 alkyl, C 1-4 alkoxyC 1-4 alkyl, —C(═O)—NH 2 , —C(═O)—NH(C 1-4 alkyl), —C(═O)—N(C 1-4 alkyl) 2 ;

R 3c represents hydrogen, hydroxyl, C 1-6 alkoxy, R 9 , —NR 10 R 11 , cyano, —C(═O)—C 1-6 alkyl or —CH(OH)—C 1-6 alkyl;

R 3 represents hydroxyl, C 1-6 alkoxy, hydroxyC 1-6 alkoxy, C 1-6 alkoxy substituted with —NR 10 R 11 , C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, haloC 1-6 alkyl optionally substituted with —O—C(═O)—C 1-6 alkyl, hydroxyC 1-6 alkyl optionally substituted with —O—C(═O)—C 1-6 alkyl, hydroxyC 2-6 alkenyl, hydroxyC 2-6 alkynyl, hydroxyhaloC 1-6 alkyl, cyanoC 1-6 alkyl, C 1-6 alkyl substituted with carboxyl, C 1-6 alkyl substituted with —C(═O)—C 1-6 alkyl, C 1-6 alkyl substituted with —C(═O)—O—C 1-6 alkyl, C 1-6 alkyl substituted with C 1-6 alkoxyC 1-6 alkyl-O—C(═O)—, C 1-6 alkyl substituted with C 1-6 alkoxyC 1-6 alkyl-C(═O)—, C 1-6 alkyl substituted with —O—C(═O)—C 1-6 alkyl, C 1-6 alkoxyC 1-6 alkyl wherein each C 1-6 alkyl may optionally be substituted with one or two hydroxyl groups or with —O—C(═O)—C 1-6 alkyl, C 2-6 alkenyl substituted with C 1-6 alkoxy, C 2-6 alkynyl substituted with C 1-6 alkoxy, C 1-6 alkyl substituted with R 9 and optionally substituted with —O—C(═O)—C 1-6 alkyl, C 1-6 alkyl substituted with —C(═O)—R 9 , C 1-6 alkyl substituted with hydroxyl and R 9 , C 2-6 alkenyl substituted with R 9 , C 2-6 alkynyl substituted with R 9 , C 1-6 alkyl substituted with —NR 10 R 11 , C 2-6 alkenyl substituted with —NR 10 R 11 , C 2-6 alkynyl substituted with —NR 10 R 11 , C 1-6 alkyl substituted with hydroxyl and —NR 10 R 11 , C 1-6 alkyl substituted with one or two halogens and —NR 10 R 11 , —C 1-6 alkyl-C(R 12 )═N—O—R 12 , C 1-6 alkyl substituted with —C(═O)—NR 10 R 11 , C 1-6 alkyl substituted with —O—C(═O)—NR 10 R 11 , —S(═O) 2 —C 1-6 alkyl, —S(═O) 2 -haloC 1-6 alkyl, —S(═O) 2 —NR 14 R 15 , C 1-6 alkyl substituted with —S(═O) 2 —C 1-6 alkyl, C 1-6 alkyl substituted with —S(═O) 2 -haloC 1-6 alkyl, C 1-6 alkyl substituted with —S(O) 2 —NR 14 R 15 , C 1-6 alkyl substituted with —NR 12 —S(═O) 2 —C 1-6 alkyl, C 1-6 alkyl substituted with —NH—S(═O) 2 -haloC 1-6 alkyl, C 1-6 alkyl substituted with —NR 12 —S(═O) 2 —NR 14 R 15 , R 13 , C 1-6 alkyl substituted with —P(═O)(OH) 2 or C 1-6 alkyl substituted with —P(═O)(OC 1-6 alkyl) 2 ;

R 4 and R 5 each independently represent hydrogen, C 1-6 alkyl, C 1-6 alkyl substituted with —NR 14 R 15 , hydroxyC 1-6 alkyl, haloC 1-6 alkyl, hydroxyhaloC 1-6 alkyl, C 1-6 alkoxyC 1-6 alkyl wherein each C 1-6 alkyl may optionally be substituted with one or two hydroxyl groups, —S(═O) 2 —C 1-6 alkyl, —S(═O) 2 -haloC 1-6 alkyl, —S(═O) 2 —NR 14 R 15 , —C(═O)—NR 14 R 15 , —C(═O)—O—C 1-6 alkyl, —C(═O)—R 13 , C 1-6 alkyl substituted with —S(═O) 2 —C 1-6 alkyl, C 1-6 alkyl substituted with —S(═O) 2 -haloC 1-6 alkyl, C 1-6 alkyl substituted with —S(═O) 2 —NR 14 R 15 , C 1-6 alkyl substituted with —NH—S(═O) 2 —C 1-6 alkyl, C 1-6 alkyl substituted with —NH—S(═O) 2 -haloC 1-6 alkyl, C 1-6 alkyl substituted with —NH—S(═O) 2 —NR 14 R 15 , R 13 or C 1-6 alkyl substituted with R 13 ;

R 6 represents C 3-8 cycloalkyl, C 3-8 cycloalkenyl, phenyl, 4 to 7-membered monocyclic heterocyclyl containing at least one heteroatom selected from N, O and S; said C 3-8 cycloalkyl, C 3-8 cycloalkenyl, phenyl, 4 to 7-membered monocyclic heterocyclyl, optionally and each independently being substituted by 1, 2, 3, 4 or 5 substituents, each substituent independently being selected from cyano, C 1-6 alkyl, cyanoC 1-6 alkyl, hydroxyl, carboxyl, hydroxyC 1-6 alkyl, halogen, haloC 1-6 alkyl, hydroxyhaloC 1-6 alkyl, C 1-6 alkoxy, C 1-6 alkoxyC 1-6 alkyl, C 1-6 alkyl—O—C(═O)—, —NR 14 R 15 , —C(═O)—NR 14 R 15 , C 1-6 alkyl substituted with —NR 14 R 15 , C 1-6 alkyl substituted with —C(═O)—NR 14 R 15 , —S(═O) 2 —C 1-6 alkyl, —S(═O) 2 -haloC 1-6 alkyl, —S(═O) 2 —NR 14 R 15 , C 1-6 alkyl substituted with —S(═O) 2 —C 1-6 alkyl, C 1-6 alkyl substituted with —S(═O) 2 -haloC 1-6 alkyl, C 1-6 alkyl substituted with —S(═O) 2 —NR 14 R 15 , C 1-6 alkyl substituted with —NH—S(═O) 2 —C 1-6 alkyl, C 1-6 alkyl substituted with —NH—S(═O) 2 -haloC 1-6 alkyl or C 1-6 alkyl substituted with —NH—S(═O) 2 —NR 14 R 15 ;

R 7 and R 8 each independently represent hydrogen, C 1-6 alkyl, hydroxyC 1-6 alkyl, haloC 1-6 alkyl, hydroxyhaloC 1-6 alkyl or C 1-6 alkoxyC 1-6 alkyl;

R 9 represents C 3-8 cycloalkyl, C 3-8 cycloalkenyl, phenyl, naphthyl, or 3 to 12 membered monocyclic or bicyclic heterocyclyl containing at least one heteroatom selected from N, O and S, said C 3-8 cycloalkyl, C 3-8 cycloalkenyl, phenyl, naphthyl, or 3 to 12 membered monocyclic or bicyclic heterocyclyl each optionally and each independently being substituted with 1, 2, 3, 4 or 5 substituents, each substituent independently being selected from ═O, C 1-4 alkyl, hydroxyl, carboxyl, hydroxyC 1-4 alkyl, cyano, cyanoC 1-4 alkyl, C 1-4 -O—C(═O)—, C 1-4 alkyl substituted with C 1-4 alkyl-O—C(═O)—, C 1-4 alkoxyC 1-4 alkyl wherein each C 1-4 alkyl may optionally be substituted with one or two hydroxyl groups, halogen, haloC 1-4 alkyl, hydroxyhaloC 1-4 alkyl, —NR 14 R 15 , —C(═O)—NR 14 R 15 , C 1-4 alkyl substituted with —NR 14 R 15 , C 1-4 alkyl substituted with —C(═O)—NR 14 R 15 , C 1-4 alkoxy, —S(═O) 2 —C 1-4 alkyl, —S(═O) 2 -haloC 1-4 alkyl, —S(═O) 2 —NR 14 R 15 , C 1-4 alkyl substituted with —S(═O) 2 —NR 14 R 15 , C 1-4 alkyl substituted with —NH—S(═O) 2 —C 1-4 alkyl, C 1-4 alkyl substituted with —NH—S(═O) 2 -haloC 1-4 alkyl, C 1-4 alkyl substituted with —NH—S(═O) 2 —NR 14 R 15 , R 13 , —C(═O)—R 13 , C 1-4 alkyl substituted with R 13 , phenyl optionally substituted with R 16 , phenylC 1-6 alkyl wherein the phenyl is optionally substituted with R 16 , a 5 or 6-membered aromatic monocyclic heterocyclyl containing at least one heteroatom selected from N, O and S wherein said heterocyclyl is optionally substituted with R 16 ;

or when two of the substituents of R 9 are attached to the same atom, they may be taken together to form a 4 to 7-membered saturated monocyclic heterocyclyl containing at least one heteroatom selected from N, O and S;

R 10 and R 11 each independently represent hydrogen, carboxyl, C 1-6 alkyl, cyanoC 1-6 alkyl, C 1-6 alkyl substituted with —NR 14 R 15 , C 1-6 alkyl substituted with —C(═O)—NR 14 R 15 , haloC 1-6 alkyl, hydroxyC 1-6 alkyl, hydroxyhaloC 1-6 alkyl, C 1-6 alkoxy, C 1-6 alkoxyC 1-6 alkyl wherein each C 1-6 alkyl may optionally be substituted with one or two hydroxyl groups, R 6 , C 1-6 alkyl substituted with R 6 , —C(═O)—R 6 , —C(═O)—C 1-6 alkyl, —C(═O)-hydroxyC 1-6 alkyl, —C(═O)-haloC 1-6 alkyl, —C(═O)-hydroxyhaloC 1-6 alkyl, C 1-6 alkyl substituted with —Si(CH 3 ) 3 , —S(═O) 2 —C 1-6 alkyl, —S(═O) 2 -haloC 1-6 alkyl, —S(═O) 2 —NR 14 R 15 , C 1-6 alkyl substituted with —S(═O) 2 —C 1-6 alkyl, C 1-6 alkyl substituted with —S(═O) 2 -haloC 1-6 alkyl, C 1-6 alkyl substituted with —S(═O) 2 —NR 14 R 15 , C 1-6 alkyl substituted with —NH—S(═O) 2 —C 1-6 alkyl, C 1-6 alkyl substituted with —NH—S(═O) 2 -haloC 1-6 alkyl, C 1-6 alkyl substituted with carboxyl, or C 1-6 alkyl substituted with —NH—S(═O) 2 —NR 14 R 15 ;

R 12 represents hydrogen or C 1-4 alkyl optionally substituted with C 1-4 alkoxy;

R 13 represents C 3-8 cycloalkyl or a saturated 4 to 6-membered monocyclic heterocyclyl containing at least one heteroatom selected from N, O and S, wherein said C 3-8 cycloalkyl or monocyclic heterocyclyl is optionally substituted with 1, 2 or 3 substituents each independently selected from halogen, hydroxyl, C 1-6 alkyl, haloC 1-6 alkyl, ═O, cyano, —C(═O)—C 1-6 alkyl, C 1-6 alkoxy, or —NR 14 R 15 ;

R 14 and R 15 each independently represent hydrogen, or haloC 1-4 alkyl, or C 1-4 alkyl optionally substituted with a substituent selected from hydroxyl, C 1-4 alkoxy, amino or mono- or di(C 1-4 alkyl)amino;

R 16 represents hydroxyl, halogen, cyano, C 1-4 alkyl, C 1-4 alkoxy, —NR 14 R 15 or —C(═O)NR 14 R 15 ;

R 18 represents hydrogen, C 1-6 alkyl, C 3-8 cycloalkyl, C 1-4 alkyl substituted with C 3-8 cycloalkyl;

R 19 represents hydrogen; C 1-6 alkyl; C 3-8 cycloalkyl; C 1-6 alkyl substituted with —O—R 20 ; —(CH 2 ) r —CN; —(CH 2 ) r —CONR 20 R 21 ; —(CH 2 ) r1 —NR 20 R 21 ; —(CH 2 ) r1 —NR 20 COR 21 ; —(CH 2 ) r1 —NR 20 —(CH 2 ) s —SO 2 —R 21 ; —(CH 2 ) r1 —NH—SO 2 —NR 20 R 21 —(CH 2 ) r1 —NR 20 CO 2 R 21 ; —(CH 2 ) r —SO 2 NR 20 R 21 ; phenyl optionally substituted with 1, 2, 3, 4 or 5 substituents each independently selected from halogen, C 1-4 alkyl, C 1-4 alkyloxy, cyano and amino; a 5- or 6-membered aromatic monocyclic heterocycle containing at least one heteroatom selected from N, O and S, said heterocycle being optionally substituted with 1, 2, 3 or 4 substituents each independently selected from halogen, C 1-4 alkyl, C 1-4 alkyloxy, cyano or amino; wherein said C 1-6 alkyl and C 3-8 cycloalkyl, may be optionally substituted by one or more R 20 groups

R 20 and R 21 independently represent hydrogen, C 1-6 alkyl, hydroxyC 1-6 alkyl, —(CH 2 ) n —O—C 1-6 alkyl, or when attached to a nitrogen atom R 20 and R 21 can be taken together to form with the nitrogen atom to which they are attached a monocyclic saturated 4, 5 or 6-membered ring which optionally contains a further heteroatom selected from O, S and N;

R 22 and R 23 independently represent hydrogen, C 1-6 alkyl, or hydroxyC 1-6 alkyl;

m independently represents an integer equal to 0, 1 or 2;

n independently represents an integer equal to 0, 1, 2, 3 or 4;

s independently represents an integer equal to 0, 1, 2, 3 or 4;

r independently represent an integer equal to 1, 2, 3, or 4;

r1 independently represent an integer equal to 2, 3 or 4;

provided that when R 3a and R 3b are taken together to form ═O, n represents 0, Y represents -E-D, and E represents a bond, then D does not represent unsubstituted phenyl;

or an N-oxide thereof, a pharmaceutically acceptable salt thereof or a solvate thereof.

2. A compound according to claim 1 wherein Y is -E-D,

or an N-oxide thereof, a pharmaceutically acceptable salt thereof or a solvate thereof.

3. A compound according to claim 2 wherein E represents

(i) a bond, C 2-4 alkenediyl, —CO—(CR 22 R 23 ) s —, —(CR 22 R 23 ) s —CO—, —NR 22 —(CR 22 R 23 ) s —, —(CR 22 R 23 ) s —NR 22 —, —(CR 22 R 23 ) s —CO—NR 22 —(CR 22 R 23 ) s — or —(CR 22 R 23 ) s —NR 22 —CO—(CR 22 R 23 ) s —; or

(ii) a bond; or

(iii) C 2-4 alkenediyl, —CO—(CR 22 R 23 ) s —, —(CR 22 R 23 ) s —CO—, —NR 22 —(CR 22 R 23 ) s —, —(CR 22 R 23 ) s —NR 22 —, —(CR 22 R 23 ) s —CO—NR 22 —(CR 22 R 23 ) s — or —(CR 22 R 23 ) s —NR 22 —CO—(CR 22 R 23 ) s —,

or an N-oxide thereof, a pharmaceutically acceptable salt thereof or a solvate thereof.

4. A compound according to claim 2 wherein D is optionally substituted pyrazolyl,

or an N-oxide thereof, a pharmaceutically acceptable salt thereof or a solvate thereof.

5. A compound according to claim 1 wherein R 2 is independently selected from hydroxyl, halogen, cyano, C 1-4 alkyl, C 2-4 alkenyl, C 1-4 alkoxy, hydroxyC 1-4 alkyl, hydroxyC 1-4 alkoxy, haloC 1-4 alkoxy, C 1-4 alkoxyC 1-4 alkyl, R 13 , C 1-4 alkoxy substituted with R 13 , —C(═O)—R 13 , C 1-4 alkyl substituted with NR 7 R 8 , C 1-4 alkoxy substituted with NR 7 R 8 , —NR 7 R 8 and —C(═O)—NR 7 R 8 ,

or an N-oxide thereof, a pharmaceutically acceptable salt thereof or a solvate thereof.

6. A compound according to claim 5 wherein R 2 represents C 1-4 alkoxy,

or an N-oxide thereof, a pharmaceutically acceptable salt thereof or a solvate thereof.

7. A compound according to claim 1 wherein Y represents —CR 18 ═N—OR 19 ,

or an N-oxide thereof, a pharmaceutically acceptable salt thereof or a solvate thereof.

8. A compound according to claim 1 wherein D is piperidinyl, pyridinyl, phenyl, pyrolyl, imidazolyl, triazolyl, pyrolopyridinyl, 1,3-benzodioxolyl, indolyl, thiazolyl, cyclopentyl, azetidinyl, morpholinyl, tetrazolyl, oxazolyl, piperazinyl, 1,2,3,6-tetrahydropyridinyl, 2,5-dihydropyrolyl, pyrimidinyl, pyrrolidinyl, thiadiazolyl, oxadiazolyl, said rings being optionally substituted,

or an N-oxide thereof, a pharmaceutically acceptable salt thereof or a solvate thereof.

9. A compound according to claim 1 wherein W is —N(R 3 )—,

or an N-oxide thereof, a pharmaceutically acceptable salt thereof or a solvate thereof.

10. A compound according to claim 1 wherein W is —C(R 3a R 3b )—,

or an N-oxide thereof, a pharmaceutically acceptable salt thereof or a solvate thereof.

11. A compound according to claim 1 wherein R 3 represents:

(i) C 1-6 alkyl, hydroxyC 1-6 alkyl, hydroxyhaloC 1-6 alkyl, haloC 1-6 alkyl, C 1-6 alkyl substituted with —C(═O)—C 1-6 alkyl, C 1-6 alkoxyC 1-6 alkyl wherein each C 1-6 alkyl may optionally be substituted with one or two hydroxyl groups, C 1-6 alkyl substituted with R 9 , C 1-6 alkyl substituted with —NR 10 R 11 , C 1-6 alkyl substituted with hydroxyl and —NR 10 R 11 , C 1-6 alkyl substituted with one or two halogens and —NR 10 R 11 , C 1-6 alkyl substituted with —C(═O)—O—C 1-6 alkyl, C 1-6 alkyl substituted with —O—C(═O)—NR 10 R 11 , C 1-6 alkyl substituted with carboxyl, C 1-6 alkyl substituted with —NR 12 —S(═O) 2 —C 1-6 alkyl, C 1-6 alkyl substituted with —NR 12 —S(═O) 2 —NR 14 R 15 , C 1-6 alkyl substituted with hydroxyl and R 9 , —C 1-6 alkyl-C(R 12 )═N—O—R 12 , C 1-6 alkyl substituted with —C(═O)—NR 10 R 11 , C 1-6 alkyl substituted with —C(═O)—R 9 , C 2-6 alkynyl substituted with R 9 , hydroxyC 1-6 alkoxy, C 2-6 alkenyl, C 2-6 alkynyl or R 13 , or

(ii) C 2-6 alkynyl, haloC 1-6 alkyl optionally substituted with —O—C(═O)—C 1-6 alkyl, hydroxyC 1-6 alkyl optionally substituted with —O—C(═O)—C 1-6 alkyl, hydroxyhaloC 1-6 alkyl, C 1-6 alkoxyC 1-6 alkyl wherein each C 1-6 alkyl may optionally be substituted with one or two hydroxyl groups or with —O—C(═O)—C 1-6 alkyl, C 1-6 alkyl substituted with R 9 , C 2-6 alkynyl substituted with R 9 , C 1-6 alkyl substituted with —NR 10 R 11 , C 1-6 alkyl substituted with —O—C(═O)—NR 10 R 11 ,

or an N-oxide thereof, a pharmaceutically acceptable salt thereof or a solvate thereof.

12. A compound according to claim 1 wherein

Y represents —CR 18 ═N—OR 19 or -E-D;

R 18 and R 19 represent C 1-6 alkyl;

E represents a bond, C 2-4 alkenediyl, —CO—(CR 22 R 23 ) s —, —NR 22 —(CR 22 R 23 ) s —, —(CR 22 R 23 ) s —NR 22 —, —(CR 22 R 23 ) s —CO—NR 22 —(CR 22 R 23 ) s — or —(CR 22 R 23 ) s —NR 22 —CO—(CR 22 R 23 ) s —;

D is piperidinyl, pyridinyl, phenyl, pyrolyl, imidazolyl, triazolyl, pyrolopyridinyl, 1,3-benzodioxolyl, indolyl, thiazolyl, cyclopentyl, azetidinyl, morpholinyl, tetrazolyl, oxazolyl, piperazinyl, 1,2,3,6-tetrahydropyridinyl, 2,5-dihydropyrolyl, pyrimidinyl, pyrrolidinyl, thiadiazolyl, oxadiazolyl, pyrazolyl, said rings being optionally substituted with halo, cyano, C 1-6 alkyl, C 1-6 alkoxy, —C(═O)—O—C 1-6 alkyl, hydroxyC 1-6 alkyl, —NR 4 R 5 , C 1-6 alkyl substituted with —O—C(═O)—C 1-6 alkyl, C 1-6 alkyl substituted with —NR 4 R 5 , —C(═O)—NR 4 R 5 , —C(═O)—C 1-6 alkyl-NR 4 R 5 , R 6 , C 1-6 alkyl substituted with R 6 ;

W is —N(R 3 )—;

R 2 represents C 1-4 alkoxy;

n is equal to 2;

R 3 represents C 2-6 alkynyl, haloC 1-6 alkyl optionally substituted with —O—C(═O)—C 1-6 alkyl, hydroxyC 1-6 alkyl optionally substituted with —O—C(═O)—C 1-6 alkyl, hydroxyhaloC 1-6 alkyl, C 1-6 alkoxyC 1-6 alkyl wherein each C 1-6 alkyl may optionally be substituted with one or two hydroxyl groups or with —O—C(═O)—C 1-6 alkyl, C 1-6 alkyl substituted with R 9 , C 2-6 alkynyl substituted with R 9 , C 1-6 alkyl substituted with —NR 10 R 11 , C 1-6 alkyl substituted with —O—C(═O)—NR 10 R 11 ;

R 9 represents C 3-6 cycloalkyl, a 3 membered saturated heterocyclyl, an optionally substituted 5 membered saturated heterocycle, an optionally substituted 6 membered aromatic or saturated heterocycle, an optionally substituted bicyclic heterocycle;

R 10 and R 11 represents hydrogen, C 1-6 alkyl, haloC 1-6 alkyl, hydroxyC 1-6 alkyl, C 1-6 alkyl substituted with —NR 14 R 15 , C 1-6 alkyl substituted with carboxyl;

R 6 represents a 6-membered monocyclic saturated or aromatic heterocyclyl which is optionally substituted;

R 14 and R 15 each independently represent hydrogen or C 1-4 alkyl; and

R 22 and R 23 each independently represent hydrogen,

or an N-oxide thereof, a pharmaceutically acceptable salt thereof or a solvate thereof.

13. A compound according to claim 1 or a pharmaceutically acceptable salt or solvate thereof.

14. A pharmaceutical composition comprising a pharmaceutically acceptable carrier and/or excipient, and a compound according to claim 1 ,

or an N-oxide thereof, a pharmaceutically acceptable salt thereof or a solvate thereof.

15. A combination of a compound according to claim 1 or an N-oxide thereof, a pharmaceutically acceptable salt thereof or a solvate thereof, with one or more anticancer agents.

16. A combination according to claim 15 wherein the one or more anticancer agents comprises a kinase inhibitor.

17. A product containing as first active ingredient a compound according to claim 1 , or an N-oxide thereof, a pharmaceutically acceptable salt thereof or a solvate thereof, and as further active ingredient one or more anticancer agents.

18. A product according to claim 17 wherein the one or more anticancer agents comprises a kinase inhibitor.

19. A method for inhibiting a fibroblast growth factor receptor kinase, which method comprises contacting the kinase with a compound of formula (I) according to claim 1 , or an N-oxide thereof, a pharmaceutically acceptable salt thereof or a solvate thereof.

20. A method for inhibiting fibroblast growth factor receptor kinase activity in a subject, which method comprises administering to a subject in need thereof a compound of formula (I) according to claim 1 , or an N-oxide thereof, a pharmaceutically acceptable salt thereof or a solvate thereof.