Substituted pyrimidine derivatives useful in the treatment of cancer and other disorders
Substituted pyrimidine derivatives of formula (I), salts, metabolites, prodrugs and diastereoisomeric forms (both isolated stereoisomers and mixtures of stereoisomers) thereof (wherein A=pyrimidine) pharmaceutical compositions containing such compounds and the use of those compounds or compositions for treating hyper-proliferative and angiogenesis disorders, as a sole agent or in combination with other active ingredients, e.g., cytotoxic therapies.
1. A compound of formula (I), a salt thereof, an oxidized derivative thereof, wherein one or more of the nitrogens are substituted with a hydroxy group, or a diastereoisomeric form thereof, either as an isolated stereoisomer or in a mixture of stereoisomers
wherein
A is pyrimidine,
optionally substituted with 1 to 3 substituents which are independently R 1 , OR 1 , S(O) p R 1 , C(O)R 1 , C(O)OR 1 , C(O)NR 1 R 2 , halogen, hydroxy, amino, cyano, or nitro;
B is phenyl, naphthyl, or pyridyl, optionally substituted with 1 to 4 substituents which are independently C 1 -C 5 linear or branched alkyl, C 1 -C 5 linear or branched haloalkyl, C 1 -C 3 alkoxy, hydroxy, amino, C 1 -C 3 alkylamino, C 1 -C 6 dialkylamino, halogen, cyano, or nitro;
L is a bridging group which is:
(a) —(CH 2 ) m —O—(CH 2 ) l —,
(b) —(CH 2 ) m —(CH 2 ) l —,
(c) —(CH 2 ) m —C(O)—(CH 2 ) l —,
(d) —(CH 2 ) m —NR 3 —(CH 2 ) l —,
(e) —(CH 2 ) m —NR 3 C(O)—(CH 2 ) l —,
(f) —(CH 2 ) m —S—(CH 2 ) l —, or
(g) —(CH 2 ) m C(O)NR 3 —(CH 2 ) l —, where the integers m and l are independently selected from 0-4 and for —(CH 2 ) m —(CH 2 ) l — m and l cannot both be 0;
M is a pyridine or pyrimidine ring, optionally substituted with 1-3 substituents which are independently selected from:
(1) C 1 -C 5 linear or branched alkyl;
(2) C 1 -C 5 linear or branched haloalkyl;
(3) C 1 -C 3 alkoxy;
(4) hydroxy;
(5) amino;
(6) C 1 -C 3 alkylamino;
(7) C 1 -C 6 dialkylamino;
(8) halogen;
(9) nitro;
(10) C(O) NR 4 R 5 ;
(11) C(O)OR 4 ;
(12) C(O)R 4 ;
(13) CN;
(14) C(S)NR 4 R 5 ;
(15a) C(O)NR 7 —NR 4 R 5 ;
(15b) C(O)NR 7 —R 4 —C(O)NR 4 R 5 ;
(16) tetrazolyl;
(17) imidazolyl;
(18) imidazoline-2-yl;
(19) 1,3,4-oxadiazoline-2-yl;
(20) 1,3-thiazoline-2-yl;
(21) 5-thioxo-4,5-dihydro-1,3,4-thiazoline-2-yl;
(22) 5-oxo-4,5-dihydro-1,3,4-oxadiazoline-2-yl; or
(23) a group of the formula
each of R 1 , R 2 , R 3 , R 4 and R 5 is independently
(a) hydrogen,
(b) C 1 -C 5 linear, branched, or cyclic alkyl,
(c) up to per-halo substituted C 1 -C 5 linear or branched alkyl, or
(d) —(CH 2 ) q —X.
where the substituent X is a 5 or 6 membered heterocyclic ring, containing at least one atom selected from oxygen, nitrogen and sulfur, which is saturated, partially saturated, or aromatic, or a 8-10 membered bicyclic heteroaryl having 1-4 heteroatoms selected from the group consisting of O, N and S;
R 2 , R 3 , R 4 and R 5 may, independently, additionally include phenyl or C 1 -C 3 phenyl-alkyl;
R 4 and R 5 may optionally be taken together to form a 5 or 6 membered aliphatic ring, which may be interrupted by an atom selected from N, O or S which is optionally substituted with 1-3 substituents which are independently C 1 -C 5 linear or branched alkyl, up to perhalo substituted C 1 -C 5 linear or branched alkyl, C 1 -C 3 alkoxy, hydroxy, oxo, carboxy, amino, C 1 -C 3 alkylamino, C 1 -C 6 dialkylamino, halogen, cyano, or nitro;
R 6 is independently:
(a) hydrogen,
(b) C 1 -C 5 linear, branched, or cyclic alkyl,
(c) cyano,
(d) nitro,
(e) up to per-halo substituted C 1 -C 5 linear or branched alkyl, or
(f) —C(O)R 7 , where R 7 is C 1 -C 5 linear, branched, or cyclic alkyl;
R 7 is hydrogen, or C 1 -C 5 linear, branched, or cyclic alkyl;
the variable q is an integer 1, 2, 3, or 4 and the variable p is an integer 0, 1, or 2.
2. A compound of claim 1 wherein B is phenyl, optionally substituted with 1-4 substituents which are independently C 1 -C 5 linear or branched alkyl, C 1 -C 5 linear or branched haloalkyl, C 1 -C 3 alkoxy, hydroxy, amino, C 1 -C 3 alkylamino, C 1 -C 6 dialkylamino, halogen, cyano, or nitro.
3. A compound of claim 1 or 2 where L is —O— or —S—.
4. A compound of claim 1 , where M is pyridine, optionally substituted with 1-3 substituents which are independently selected from the groups
(1) C 1 -C 5 linear or branched alkyl;
(2) C 1 -C 5 linear or branched haloalkyl;
(3) C 1 -C 3 alkoxy;
(4) hydroxy;
(5) amino;
(6) C 1 -C 3 alkylamino;
(7) C 1 -C 6 dialkylamino;
(8) halogen;
(9) nitro;
(10) C(O) NR 4 R 5 ;
(11) C(O)O R 4 ;
(12) C(O) R 4 ;
(13) CN,
(15a) C(O)NR 7 —NR 4 R 5 ; or
(15b) C(O)NR 7 —R 4 —C(O)NR 4 R 5 .
5. A compound of claim 1 where R 6 is independently:
(a) hydrogen,
(b) C 1 -C 5 linear, branched, or cyclic alkyl, or
(c) cyano or
(d) nitro.
6. A compound of claim 1 where R 6 is independently:
(a) hydrogen,
(b) C 1 -C 5 linear, branched, or cyclic alkyl, or
(c) cyano.
7. A compound of claim 1 of formula (III), a salt thereof, an oxidized derivative thereof, wherein one or more of the nitrogens are substituted with a hydroxy group, or a diastereoisomeric form thereof, either as an isolated stereoisomer or in a mixture of stereoisomers,
wherein
Ra is R 1 , OR 1 or cyano;
and B, L and M are as defined in claim 1 .
8. A compound of claim 1 of formula (IV), a salt thereof, an oxidized derivative thereof, wherein one or more of the nitrogens are substituted with a hydroxy group, or a diastereoisomeric form thereof, either as an isolated stereoisomer or in a mixture of stereoisomers,
wherein
Ra is R 1 , OR 1 or cyano;
each Rc is independently hydrogen, halogen, C 1 -C 3 linear or branched alkyl, C 1 -C 3 linear or branched haloalkyl, C 1 -C 3 alkoxy or hydroxy;
and
L and M are as defined in claim 1 .
9. A compound of claim 1 of formula (V), a salt thereof, an oxidized derivative thereof, wherein one or more of the nitrogens are substituted with a hydroxy group, or a diastereoisomeric form thereof, either as an isolated stereoisomer or in a mixture of stereoisomers,
wherein
Ra is R 1 , OR 1 or cyano;
each Rc is independently hydrogen, halogen, C 1 -C 3 linear or branched alkyl, C 1 -C 3 linear or branched haloalkyl, C 1 -C 3 alkoxy or hydroxy;
and M is as defined in claim 1 .
10. A compound as in claim 8 or 9 wherein M is pyridine.
11. A compound as in claim 8 or 9 where in M is pyridine substituted by C(O) NR 4 R 5 or CN.
12. A compound as in claim 8 or 9 where in M is pyridine substituted by C(O) NR 4 R 5 .
13. A compound as in claim 8 or 9 where in M is pyridine substituted by C(O) NHCH 3 or C(O)NH 2 .
14. A compound of formula (II), a salt thereof, an oxidized derivative thereof, wherein one or more of the nitrogens are substituted with a hydroxy group, or a diastereoisomeric form thereof, either as an isolated stereoisomer or mixture of stereoisomers,
wherein
Ra is R 1 , OR 1 or cyano
each Rc is independently hydrogen, halogen, C 1 -C 3 linear or branched alkyl, C 1 -C 3 linear or branched haloalkyl, C 1 -C 3 alkoxy or hydroxy;
Rb is
(1) C 1 -C 5 linear or branched alkyl;
(2) C 1 -C 5 linear or branched haloalkyl;
(3) C 1 -C 3 alkoxy;
(4) hydroxy;
(5) amino;
(6) C 1 -C 3 alkylamino;
(7) C 1 -C 6 dialkylamino;
(8) halogen;
(9) nitro;
(10) C(O) NR 4 R 5 ;
(11) C(O)OR4;
(12) C(O)R 4 ;
(13) CN;
(14) C(S)NR 4 R 5 ;
(15) C(O)NR 7 —R 4 C(O)N R 4 R 5 ; or
(16) hydrogen;
R 1 is hydrogen or C 1 -C 5 linear, branched, or cyclic alkyl,
each of R 4 and R 5 is independently
(a) hydrogen,
(b) C 1 -C 5 linear, branched, or cyclic alkyl or
(c) phenyl, and
R 7 is hydrogen, or C 1 -C 5 linear, branched, or cyclic alkyl.
15. A compound of claim 14 wherein Rb is
C 1 -C 5 linear or branched alkyl;
C 1 -C 3 alkoxy;
halogen;
C(O) NR 4 R 5 ;
CN;
C(S)NR 4 R 5 or C(O)NR 7 —R 4 C(O)N R 4 R 5 .
16. A compound of claim 14 wherein Rb is C 1 -C 5 linear or branched alkyl; halogen; C(O) NR 4 R 5 or CN.
17. A compound of claim 14 , 15 or 16 wherein Rc is independently hydrogen or fluorine.
18. A compound of claim 14 wherein Rb is C(O) NR 4 R 5 or CN.
19. A compound of claim 14 wherein Rb is C(O) NR 4 R 5 .
20. A compound of claim 14 wherein Rb is C(O) NHCH 3 or C(O) NH 2 .
21. A compound of claim 1 which is:
4-{3-fluoro-4-[3-(6-trifluoromethylpyrimidin-4-yl)ureido]phenoxy}pyridine-2-carboxylic acid methylamide,
4-{4-[3-(6-trifluoromethyl-pyrimidin-4-yl)-ureido]-phenoxy}-pyridine-2-carboxylic acid methylamide,
4-{4-[3-(6-trifluoromethylpyrimidin-4-yl)ureido]phenoxy}-2-methylpyridine,
1-[2-Fluoro-4-(2-methylpyridin-4-yloxy)phenyl]-3-(6-trifluoromethylpyrimid-in-4-yl)urea,
1-(6-tert-Butylpyrimidin-4-yl)-3-[4-(2-cyanopyridin-4-yloxy)-2-fluoropheny-l]urea,
4-{3-fluoro-4-[3-(6-tert-butylpyrimidin-4-yl)ureido]phenoxy}pyridine-2-carboxylic acid methylamide,
4-{4-[3-(6-tert-Butylpyrimidin-4-yl)ureido]-3-fluorophenoxy}pyridine-2-carboxylic acid amide,
4-{4-[3-(6-tert-Butylpyrimidin-4-yl)ureido]phenoxy}pyridine-2-carbothioic acid amide,
4-{3-fluoro-4-[3-(6-methoxypyrimidin-4-yl)ureido]phenoxy}pyridine-2-carboxylic acid methylamide, or
4-{4-[3-(6-Phenylpyrimidin-4-yl)ureido]phenoxy}pyridine-2-carbothioic acid amide.