Monocyclic heterocycles as kinase inhibitors

1. A compound having Formula I:

or an enantiomer, diastereomer, or pharmaceutically acceptable salt thereof wherein:

R 1 is alkyl, substituted alkyl, phenyl, or substituted phenyl;

each R 2 is independently H, halogen, cyano, NO 2 , OR 5 , NR 6 R 7 , alkyl, and/or haloalkyl;

B is O, NR 8 , NR 8 CH 2 , S, SO, SO 2 , or CR 9 R 10 ;

V is NR 11 or —(CR 37 R 38 ) p — provided that when V is NR 11 , R 1 is alkyl, substituted alkyl, cycloalkyl, or substituted cycloalkyl;

W and X are each CH;

Y is O, S, or NR 12 ;

Z is —CR 13 R 14 — or —(CR 13 R 14 ) 1 NR 15 —;

1 is 0 to 2;

n is 0 to 4 if W and X are both CH, 0 to 3 if only one of X and W is N, and 0 to 2 if X and W are both N;

p is 1 to 4;

R 3 , R 5 , R 6 , R 7 , R 8 , R 11 , R 12 , and R 15 are independently H and/or alkyl;

R 9 and R 10 are independently H, halogen, alkyl, and/or hydroxyalkyl;

R 13 and R 14 are independently H, halogen, alkyl, haloalkyl, and/or hydroxyalkyl, or taken together with the carbon atom to which they are attached to form a carbocyclic or heterocyclic ring of 3 to 8 atoms;

A is:

R 16 , R 17 , R 18 , and R 19 are independently H, halogen, NR 30 R 31 , OR 32 , CO 2 R 33 , CONR 34 R 35 , SO 2 R 36 , alkyl, haloalkyl, hydroxyalkyl, substituted alkyl, cycloalkyl, substituted cycloalkyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, —CN, aryl, substituted phenyl and pyridinyl, and/or substituted heteroaryl;

R 30 , R 31 , R 32 , R 33 , R 34 , R 35 , and R 36 are independently H, alkyl, substituted alkyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, cycloalkyl, substituted cycloalkyl, alkoxycarbonyl, aryl, substituted phenyl and pyridinyl, substituted heteroaryl, heterocyclo, and/or substituted heterocyclo; and

R 37 and R 38 are each independently H, halogen, and/or alkyl; wherein:

said substituted alkyl, said substituted cycloalkyl, said substituted alkenyl, and said substituted alkynyl are substituted with one or more substituents independently selected from phenyl, halophenyl, amino, amido, —CN, —C(═O)OH, —C(═O)OCH 3 , halogen, hydroxy, and alkoxy; and

said substituted phenyl, said substituted pyridinyl, and said heterocyclo are substituted with one or more substituents independently selected from alkyl, haloalkyl, hydroxyalkyl, alkoxy, —CN, halogen, phenyl, halophenyl, hydroxy, and amino.

2. The compound according to claim 1 or an enantiomer, diastereomer, or pharmaceutically acceptable salt thereof, wherein B is O.

3. The compound according to claim 1 or an enantiomer, diastereomer, or pharmaceutically acceptable salt thereof, wherein:

Z is NR 15 ; and

V is —CR 37 R 38 —.

4. The compound according to claim 3 or an enantiomer, diastereomer, or pharmaceutically acceptable salt thereof, wherein:

Y is O or S;

R 1 is alkyl optionally substituted with one or more substituents selected from phenyl, fluorophenyl, amino, amido, —CN, —C(═O)OH, and/or —C(═O)OCH 3 , or phenyl optionally substituted with halo;

each R 2 is independently F, Cl, —CH 3 , and/or —CF 3 ;

R 3 is H;

R 15 is H or —CH 3 ; and

R 37 and R 38 are independently H and/or —CH 3 .

5. The compound according to claim 4 or an enantiomer, diastereomer, or pharmaceutically acceptable salt thereof, wherein B is O.

6. The compound according to claim 5 or an enantiomer, diastereomer, or pharmaceutically acceptable salt thereof, wherein R 18 and R 19 are each H.

7. The compound according to claim 1 or an enantiomer, diastereomer, or pharmaceutically acceptable salt thereof, wherein:

Z is —CR 13 R 14 —; and

V is —NR 11 —.

8. The compound according to claim 7 or an enantiomer, diastereomer, or pharmaceutically acceptable salt thereof, wherein:

Y is O or S;

R 1 is alkyl optionally substituted with one or more substituents independently selected from phenyl, fluorophenyl, amino, amido, —CN, —C(═O)OH, and/or —C(═O)OCH 3 ;

R 11 is H or —CH 3 ;

each R 2 is independently F, Cl, —CH 3 , and/or —CF 3 ;

R 3 is H; and

R 13 and R 14 are independently H and/or —CH 3 , or taken together with the carbon atom to which they are attached to form a carbocyclic ring of 3 to 5 atoms.

9. The compound according to claim 8 or an enantiomer, diastereomer, or pharmaceutically acceptable salt thereof, wherein B is O.

10. The compound according to claim 9 or an enantiomer, diastereomer, or pharmaceutically acceptable salt thereof, wherein R 18 and R 19 are each H.

11. The compound according to claim 1 or an enantiomer, diastereomer, or pharmaceutically acceptable salt thereof, wherein:

B is O, NHCH 2 , CH 2 , or CH(OH);

Y is O or S; and

Z is —CH 2 —or —NH—.

12. The compound according to claim 1 or an enantiomer, diastereomer, or pharmaceutically acceptable salt thereof, having an IC 50 value of less than about 1.0 μM, as measured by the Met kinase assay.

13. A pharmaceutical composition comprising a therapeutically effective amount of a compound according to claim 1 or an enantiomer, diastereomer, or pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier.

14. A compound or an enantiomer, diastereomer, or pharmaceutically acceptable salt thereof, selected from: N-(4-Fluorophenyl)-N-(4-(pyridin-4-yloxy)phenyl)malonamide (1): 1-(2-(4-Fluorophenyl)acetyl)-3-(4-(pyridin-4-yloxy)phenyl)thiourea (3); N 1 -(3-Fluoro-4-(2-(2-morpholinoethylamino)pyridin-4-yloxy)phenyl)-N 3 -(4-fluorophenyl)malonamide, hydrochloride salt (18); N 1 -(3-Fluoro-4-(pyridin-4-yloxy)phenyl) -N 3 -(4-fluorophenyl)malonamide (19); N 1 -(4-(2-Chloropyridin-4-yloxy)-3-fluorophenyl)-N 3 -(4-fluorophenyl) malonamide (20); 1-(4-(2-Chloropyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl) acetyl)thiourea (21); N 1 -(4-(2-(Benzylamino)pyridin-4-yloxy)-3-fluorophenyl)-N 3 -(4-fluorophenyl)malonamide (22); 1-(3-Fluoro-4-(pyridin-4-yloxy)phenyl)-3-(2-(4-fluorophenyl)acetyl)urea (23); 1-(4-(2-Aminopyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea (24); N 1 -(4-(2-Aminopyridin-4-yloxy)-3-fluorophenyl)-N 3 -(4-fluorophenylmalonamide (26); 1-(4-(2-Aminopyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)thiourea (27); 1-(3-Fluoro-4-(2-(4-fluorophenylamino)pyridin-4-yloxy)phenyl)-3-(2-(4-fluorophenyl)acetyl)urea (28); 1-(4-(3-Ethylpyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea, hydrochloride salt (33); 1-(4-(2-Amino-3-ethylpyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea, trifluoroacetic acid salt (34); 1-(4-(3-(2-(4-aminocyclohex-1-enyl)ethynyl)pyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea (35); 1-(4-(3-(3-(3-(Aminomethyl)azetidin-1-yl)prop-1-ynyl)pyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea, trihydrochloride salt (36); 1-(4-(3-(3-(3-Aminoazetidin-1-yl)prop-1-ynyl)pyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea, trihydrochloride salt (37): 1-(3-Fluoro-4-(3-(3-(piperazin-1-yl)prop-1-ynyl)pyridin-4-yloxy)phenyl)-3-(2-(4-fluorophenyl)acetyl)urea, trihydrochloride salt (38); 1-(4-(3-(3-(4-Aminopiperidin-1-yl)prop-1-ynyl)pyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea, trihydrochloride salt (39); (±)-1-(4-(3-(3-(3-Aminopyrrolidin-1-yl)prop-1-ynyl)pyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea, trihydrochloride salt (40); 1-(3-Fluoro-4-(3-(3-((3R,4R)-3-hydroxy-4-(pyrrolidin-1-yl)pyrrolidin-1-yl)prop-1-ynyl)pyridin-4-yloxy)phenyl)-3-(2-(4-fluorophenyl)acetyl)urea, trihydrochloride salt (41); 1-(3-Fluoro-4-(3-(3-(2-(pyrrolidin-1-yl)acetamido)prop-1-ynyl)pyridin-4-yloxy)phenyl)-3-(2-(4-fluorophenyl)acetyl)urea, dihydrochloride salt (42); 1-(3-Fluoro-4-(3-(3-(2-(4-hydroxypiperidin-1-yl)acetamido)prop-1-ynyl)pyridin-4-yloxy)phenyl)-3-(2-(4-fluorophenyl)acetyl)urea, dihydrochloride salt (43); (S)-1-(3-Fluoro-4-(3-(3-(2-(pyrrolidin-1-ylmethyl)pyrrolidine-1-carboxamido)prop-1-ynyl)pyridin-4-yloxy)phenyl)-3-(2-(4-fluorophenyl)acetyl)urea, dihydrochloride salt (44); (E)-1-(4-(3-(3-(4-Aminopiperidin-1-yl)-3-oxoprop-1-enyl)pyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea, ditrifluoroacetic acid salt (45); 1-(3-Fluoro-4-(3-(2-(pyridin-2-yl)ethynyl)pyridin-4-yloxy)phenyl)-3-(2-(4-fluorophenyl)acetyl)urea, dihydrochloride salt (46); 1-(3-Fluoro-4-(3-(2-(pyridin-3-yl)ethynyl)pyridin-4-yloxy)phenyl)-3-(2-(4- fluorophenyl)acetyl)urea, dihydrochioride salt (47); 1-(4-(3-(4-(2-Amino-2-oxoethyl)phenyl)pyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea, hydrochloride salt (59); 1-(4-(3-(4-(aminomethyl)phenyl)pyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea, trifluoroacetic acid salt (60); 1-(3-Fluoro-4-(3-(6-(piperazin-1-yl)pyridin-3-yl)pyridin-4-yloxy)phenyl)-3-(2-(4-fluorophenyl)acetyl)urea, hydrochloride salt (61); N 1 -((R)-2-Amino-2-oxo-1-phenylethyl)-N 3 -(3-fluoro-4-(3-(6-(piperazin-1-yl)pyridin-3-yl)pyridin-4-yloxy)phenyl)malonamide, hydrochloride salt (63); 1-(3-Fluoro-4-(3-(pyridin-3-yl)pyridin-4-yloxy)phenyl)-3-(2-(4-fluorophenyl)acetyl)urea, hydrochloride salt (64); 1-(3-Fluoro-4-(3-(4-(piperazin-1-yl)phenyl)pyridin-4-yloxy)phenyl)-3-(2-(4-fluorophenyl)acetyl)urea, trihydrochloride salt (65); 1-(4-(3-Aminopyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea (72); 1-(4-(3-((1S,4S)-4-Aminocyclohexanecarboxamido)pyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea, trifluoroacetic acid salt (73); 1-(4-(3-((1R,4R)-4-aminocyclohexanecarboxamido)pyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea, bis-trifluoroacetic acid salt (74); 1-(4-(3-((1R,4R)-4-(aminomethyl)cyclohexanecarboxamido)pyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea (75); 1-(4-(3-(Cyclohexanecarboxamido)pyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea (76); 1-(4-(3-(4-Aminopiperidine-1-carboxamido)pyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea, bis-trifluoroacetic acid salt (77); 1-(4-(2-Amino-3-(4-(2-amino-2-oxoethyl)phenyl)pyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea, trifluoroacetic acid salt (78); 1-(4-(2-Amino-3-(2-(pyridin-2-yl)ethynyl)pyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea, dihydrochloride salt (79); 1-(4-(2-Acetamidopyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea, hydrochloride salt (80); 1-(3-Fluoro-4-(2-(2-morpholinoethylamino)pyridin-4-yloxy)phenyl)-3-(2-(4-fluorophenyl)acetyl)urea, dihydrochloride salt (82); 1-(3-Fluoro-4-(2-(3-morpholinopropylamino)pyridin-4-yloxy)phenyl)-3-(2-(4-fluorophenyl)acetyl)urea, hydrochloride salt (83); 1-(4-(2-(3-(dimethylamino)propylamino)pyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea, hydrochloride salt (84); 1-(4-(2-(4-(dimethylamino)butylamino)pyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea, hydrochloride salt (85); 1-(4-(2,6-Diaminopyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea, hydrochloride salt (86); 1-(4-((2-(3-(dimethylamino)propylamino)pyridin-4-yl)methyl)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea, dihydrochloride salt (87); 1-(4-((2-(3-(dimethylamino)propylamino)pyridin-4-yl)(hydroxy)methyl)phenyl)-3-(2-(4-fluorophenyl)acetyl)urea (88); 1-(4-((2-aminopyridin-4-yl)methyl)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea, trifluoroacetic acid salt (89); 1-(4-(2-carbamoylpyridin-4-yloxy)-3-chlorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea (90); 1-(4-(2-aminopyridin-4-yloxy)-3-chlorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea, hydrochloride salt (91); 1-(4-(2-aminopyridin-4-yloxy)-2-chlorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea (92); 1-(4-(2-Carbamoylpyridin-4-yloxy)-3-methylphenyl)-3-(2-(4-fluorophenyl)acetyl)urea (93); 1-(4-(2-Aminopyridin-4-yloxy)-3-methylphenyl)-3-(2-(4-fluorophenyl)acetyl)urea, hydrochloride salt (94); 1-(4-(2-Aminopyridin-4-yloxy)-2-(trifluoromethyl)phenyl)-3-(2-(4-fluorophenyl)acetyl)urea, hydrochloride salt (95); 1-(4-(2-Aminopyridin-4-yloxy)-2-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea, trifluoroacetic acid salt (96); 1-(4-(2-Aminopyridin-4-yloxy)-2,3-difluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea, trifluoroacetic acid salt (97); 2-(4-Fluorobenzylsulfinyl)-N-(4-(2-aminopyridin-4-yloxy)-3-fluorophenyl)acetamide, hydrochloride salt (99); 2-(4-Fluorobenzylsulfonyl)-N-(4-(2-aminopyridin-4-yloxy)-3-fluorophenyl)acetamide, hydrochloride salt (100); (S)-N 1 -(2-Amino-2-oxo-1-phenylethyl)-2N 3 -(4-(2-aminopyridin-4-yloxy)-3-fluorophenyl)malonamide, hydrochloride salt (102); (R)-N 1 -(2-Amino-2-oxo-1-phenylethyl)-N 3 -(4-(2-aminopyridin-4-yloxy)-3-fluorophenyl)malonamide, hydrochloride salt (103); (S)-Methyl 2-(3-(4-(2-aminopyridin-4-yloxy)-3-fluorophenylamino)-3-oxopropanamido)-2-phenylacetate, hydrochloride salt (104); (R)-Methyl 2-(3-(4-(2-aminopyridin-4-yloxy)-3-fluorophenylamino)-3-oxopropanamido)-2-phenylacetate, hydrochloride salt (105); N 1 -(4-(2-Aminopyridin-4-yloxy)-3-fluorophenyl)-N 3 -neopentylmalonamide, hydrochloride salt (108); (S)-2-(3-(4-(2-Aminopyridin-4-yloxy)-3-fluorophenylamino)-3-oxopropanamido)-2-phenylacetic acid, hydrochloride salt (109); 1-(4-(2-Aminopyridin-4-yloxy)-2,5-difluorophenyl)-3-(2-(4-fluorophenyl)-acetyl)urea, hydrochloric acid salt (112); 1-(4-(2-Aminopyridin-4-yloxy)-3,5-difluorophenyl)-3-(2-(4-fluorophenyl)-acetyl)urea, trifluoroacetic acid salt (113); (±)-N 1 -(4-(2-Aminopyridin-4-yloxy)-2,5-difluorophenyl)-N 3 -(1-phenylethyl)malonamide, hydrochloric acid salt (116); (±)-N 1 -(4-(2-Aminopyridin-4-yloxy)-2,5-difluorophenyl)-N 3 -(cyano(phenyl)-methyl)malonamide, trifluoroacetic acid salt (117); (±)-N 1 -(2-Amino-1-phenylethyl)-N 3 -(4-(2-aminopyridin-4-yloxy)-2,5-difluorophenyl)malonamide, bistrifluoroacetic acid salt (118); 1-(4-(2-Amino-3-(hydroxymethyl)pyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea, hydrochloride salt (126); 1-(4-(2-Amino-3-((methylamino)methyl)pyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea, hydrochloride salt (127); 1-(4-(2-amino-3-((2-hydroxyethylamino)methyl)pyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea, trifluoroacetic acid salt (128); 1-(4-(2-Amino-3-(2-(pyridin-2-yl)ethynyl)pyridin-4 -yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea, dihydrochloride salt (131); 1-(4-(2-Amino-3-(2-(5-aminopyridin-2-yl)ethynyl)pyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea, dihydrochloride salt (133); 1-(4-(2-Amino -3-(3-((3R,4R)-3-hydroxy-4-(pyrrolidin-1-yl)pyrrolidin-1-yl)-3-methylbut-1-ynyl)pyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea, trihydrochloride salt (135); 1-(3-Fluoro-4-(3-(3-hydroxyprop-1-ynyl)pyridin-4-yloxy)phenyl)-3-(2-(4-fluorophenyl)acetyl)urea, hydrochloride salt (136); 1-(4-(2-amino-3-(3-aminoprop-1-ynyl)pyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea, dihydrochloride salt (138); 1-(4-(2-Amino-3-(3-hydroxyprop-1-ynyl)pyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea, hydrochloride salt (139); 1-(4-(2-Amino-3-(3-(dimethylamino)prop-1-ynyl)pyridin-4-yloxy)-3-fluorophenyl)-3-(2-(4-fluorophenyl)acetyl)urea, dihydrochloride salt (141); 1-(4-(2-Aminopyridin-4-yloxy)phenyl)-3-(2-(4-fluorophenyl)acetyl)urea, hydrochloride salt (142); 1-(4-(2-Aminopyridin-4-yloxy)-3-fluorophenyl)-3-(2-(3-hydroxyphenyl)acetyl)urea (143); 3-(4-(2-Aminopyridin-4-yloxy)-3-fluorophenyl)-1-(2-(4-fluorophenyl)acetyl)-1-methylurea, hydrochloride salt (144); (R)-N 1 -(2-Amino-2-oxo-1-phenylethyl)-N 3 -(4-(2-aminopyridin-4-yloxy)-2,5-difluorophenyl)malonamide, trifluoroacetic acid salt (145); and N-(4-Fluorobenzyl)-N-(4-(2-aminopyridin-4-yloxy)-3-fluorophenyl)cyclopropane-1,1-dicarboxamide (148).