Fluorinated 2,4-diaryl-2,5-dihydropyrrole inhibitors of the mitotic kinesin KSP
View Patent ↗The present invention relates to dihydropyrrole compounds that are useful for treating cellular proliferative diseases, for treating disorders associated with KSP kinesin activity, and for inhibiting KSP kinesin. The invention is also related to compositions which comprise these compounds, and methods of using them to treat cancer in mammals.
1. The compound of Formula II:
or a pharmaceutically acceptable salt or stereoisomer thereof,
wherein:
b is 0 or 1;
m is 0, 1, or 2;
n is 0, 1, 2 or 3;
r is 0 or 1;
s is 0 or 1;
t is 0 or 1;
R 1 and R 2 are independently selected from: H or (C 1 -C 6 )alkyl, optionally substituted with one, two or three substituents selected from R7;
R 3 is selected from:
1) hydrogen; or
3) CH 2 —O—R d ,
R 4 is independently selected from:
1) halo,
2) OH, and
3) O b C 1 -C 6 perfluoroalkyl;
R 5 is selected from:
1) hydrogen and
2) halo,
R 7 is selected from:
1) (C═O) r O s (C 1 -C 10 )alkyl,
2) O r (C 1 -C 3 )perfluoroalkyl,
3) oxo,
4) OH,
5) halo,
6) CN,
7) (C 2 -C 10 )alkenyl,
8) (C 2 -C 10 )alkynyl,
13) C(O)R a ,
14) (C 0 -C 6 )alkylene-CO 2 R a ,
15) C(O)H,
16) (C 0 -C 6 )alkylene-CO 2 H,
17) C(O)N(R b ) 2 ,
18) S(O) m R a ,
19) S(O) 2 N(R b ) 2 ; and
20) —OPO(OH) 2 ;
said alkyl, alkenyl, alkynyl, and alkylene is optionally substituted with up to three substituents selected from R b , OH, (C 1 -C 6 )alkoxy, halogen, CO 2 H, CN, O(C═O)C 1 -C 6 alkyl, oxo, NO 2 and N(R b ) 2 ;
R 10 is selected from: F and —CH 2 F;
R 13 is selected from: H and CH 2 F, provided that if t is 1, R 13 is H, and if t is 0, R 13 is —CH 2 F;
R ox is absent or is oxo;
R a is (C 1 -C 6 )alkyl;
R b H or (C 1 -C 6 )alkyl;
R d is selected from: H or (C1-C6)alkyl.
2. The compound according to claim 1 of the Formula III:
or a pharmaceutically acceptable salt or stereoisomer thereof,
wherein:
b is 0or 1;
m is 0, 1, or 2;
n is 0, 1 or 2;
r is 0 or 1;
s is 0 or 1;
R 1 and R 2 are independently selected from: H or (C 1 -C 6 )alkyl, optionally substituted with one, two or three substituents selected from R 7 ;
R 4 is independently selected from:
1) halo,
2) OH,
3) O b C 1 -C 6 perfluoroallcyl,
R 5 is selected from:
1) hydrogen, or
2) halo,
R 7 is selected from:
1) (C═O) r O s (C 1 -C 10 )alkyl,
2) O r (C 1 -C 3 )perfluoroalkyl,
3) oxo,
4) OH,
5) halo,
6) CN,
7) (C 2 -C 10 )alkenyl,
8) (C 2 -C 10 )alkynyl,
13) C(O)R a ,
14) (C 0 -C 6 )alkylene-CO 2 R a ,
15) C(O)H,
16) (C 0 -C 6 )alkylene-CO 2 H, and
17) C(O)N(R b ) 2 ,
18) S(O) m R a , and
19) S(O) 2 N(R b ) 2 ;
said alkyl, alkenyl, alkynyl and aikylene are optionally substituted with up to three substituents selected from R b , OH, (C 1 -C 6 )alkoxy, halogen, CO 2 H, CN, O(C═O)C 1 -C 6 alkyl, oxo, NO 2 and N(R b ) 2 ;
R a is independently selected from: (C 1 -C 6 )alkyl;
R b is H or (C 1 -C 6 )alkyl.
3. The compound according to claim 2 of the Formula IV:
or a pharmaceutically acceptable salt or stereoisomer thereof,
wherein:
b is
m is 0, 1, or 2;
r is 0 or 1;
s is 0 or 1;
R 1 and R 2 are independently selected from: H and (C 1 -C 6 )alkyl, optionally substituted with one, two or three substituents selected from R 7 ;
R 4 is independently selected from:
1) halo,
2) OH,
3) O b C 1 -C 6 perfluoroalkyl,
R7 is selected from:
1) (C═O) r O s (C 1 -C 10 )alkyl,
2) O r (C 1 -C 3 )perfluoroalkyl,
3) oxo,
4) OH,
5) halo,
6) CN,
7) (C 2 -C 10 )alkenyl,
8) (C 2 -C 10 )alkynyl,
13) C(O)R a ,
14) (C 0 -C 6 )alkylene-CO 2 R a ,
15) C(O)H,
16) (C 0 -C 6 )alkylene-CO 2 H, and
17) C(O)N(R b ) 2 ,
18) S(O) m R a , and
19) S(O) 2 N(R b ) 2 ;
said alkyl, alkenyl, alkynyl, and alkylene is optionally substituted with up to three substituents selected from R b , OH, (C 1 -C 6 )alkoxy, halogen, CO 2 H, CN, O(C═O)C 1 -C 6 alkyl, oxo, NO 2 and N(R b ) 2 ;
R a is (C 1 -C 6 )alkyl;
R b is H or (C 1 -C 6 )alkyl.
4. The compound according to claim 3 of the Formula V:
or a pharmaceutically acceptable salt or stereoisomer thereof,
wherein:
R 1 and R 2 are independently selected from: H and (C 1 -C 6 )alkyl.
5. The compound according to claim 1 of the formula VI:
or a pharmaceutically acceptable salt or stereoisomer thereof,
wherein:
R 1 and R 2 are independently selected from: H and (C 1 -C 6 )alkyl.
6. A compound according to claim 1 selected from:
(2S)-4-(2,5-Difluorophenyl)-N-[(3S,4R)-3-fluoro-1-methylpiperidin-4-yf]-2-(hydroxymethyl)-N-methyl-2-phenyl-2,5-dihydro-1H-pyrrole-1-carboxamide
(2S)-4-(2,5-Difluorophenyl)-N-[(3R,4S)-3-fluoro-1-methylpiperidin-4-yl]-2-(hydroxymethyl)-N-methyl-2-phenyl-2,5-dihydro-1H-pyrrole-1-carboxamide
(2S)-4-(2,5-Difluorophenyl)-N-[(3R,4R)-3-fluoro-1-methylpiperidin-4-yl]-2-(hydroxymethyl)-N-methyl-2-phenyl-2,5-dihydro-1H-pyrrole-1-carboxamide
(2S)-4-(2,5-Difluorophenyl)-N-[(3S,4S)-3-fluoro-1-methylpiperidin-4-yl]-2-(hydroxymethyl)-N-methyl-2-phenyl-2,5-dihydro-1H-pyrrole-1-carboxamide
(2S)-4-(2,5-Difluorophenyl)-N-[(3S,4R)-3-fluoro-1-methylpiperidin-4-yl]-N-methyl-2-phenyl-2,5-dihydro-1H-pyrrole-1-carboxamide
(2S)-4-(2,5-Difluorophenyl)-N-[(3R,4S)-3-fluoro-1-methylpiperidin-4-yl]-N-methyl-2-phenyl-2,5-dihydro-1H-pyrrole-1-carboxamide
(2S)-4-(2,5-Difluorophenyl)-N-[(3R,4R)-3-fluoro-1-methylpiperidin-4-yl]-N-methyl-2-phenyl-2,5-dihydro-1H-pyrrole-1-carboxamide
(2S)-4-(2,5-Difluorophenyl)-N-[(2R,4R)-2-(fluoromethyl)-1-methylpiperidin-4-yl]-2-(hydromethyl)-N-methyl-2-phenyl-2,5-dihydro-1H-pyrrole-1-carboxamide
(2S)-4-(2,5-Difluorophenyl)-N-[(2S,4S)-2-(fluoromethyl)-1-methylpiperidin-4-yl]-2-(hydroxymethyl)-N-methyl-2-phenyl-2,5-dihydro-1H-pyrrole-1-carboxamide
(2S)-4-(2,5-Difluorophenyl)-N-[(3S,4R)-3-fluoro-1-methyl-1-oxidopiperidin-4-yl]-2-(hydroxymethyl)-N-methyl-2-phenyl-2,5-dihydro-1H-pyrrole-1-carboxamide
(2S)-4-(2,5-Difluorophenyl)-N-[(3S,4R)-3-fluoropiperidin-4-yl]-2-(hydroxymethyl)-N-methyl-2-phenyl-2,5-dihydro-1H-pyrrole-1-carboxamide
(2S)-4-(2,5-Difluorophenyl)-N-[(3S,4R)-3-fluoro-1-isopropylpiperidin-4-yl]-2-(hydroxymethyl)-N-methyl-2-phenyl-2,5-dihydro-1H-pyrrole-1-carboxamide
(2S)-4-(2,5-Difluorophenyl)-N-[(3S,4S)-3-fluoropiperidin-4-yl]-2-(hydroxymethyl)-N-methyl-2-methyl-2,5-dihydro-1H-pyrrole-1-carboxamide
or a pharmaceutically acceptable salt thereof.
7. The compound of claim 1 which is:
(2S)-4-(2,5-Difluorophenyl)-N-[(3S,4S)-3-fluoro-1-methylpiperidin-4-yl]-2-(hydroxymethyl)-N-methyl-2-phenyl-2,5-dihydro-1H-pyrrole-1-carboxamide
or a pharmaceutically acceptable salt thereof.
8. The compound of claim 1 which is:
(2S)-4-(2,5-Difluorophenyl)-N-[(3S,4R)-3-fluoro-1-methylpiperidin-4-yl]-2-(hydroxymethyl)-N-methyl-2-phenyl-2,5-dihydro-1H-pyrrole-1-carboxamide
or a pharmaceutically acceptable salt thereof.
9. The compound of claim 1 which is:
(2S)-4-(2,5-Difluorophenyl)-N-[(3R,4S)-3-fluoro-1-methylpiperidin-4-yl]-2-(hydroxymethyl)-N-methyl-2-phenyl-2,5-dihydro-1H-pyrrole-1-carboxamide
or a pharmaceutically acceptable salt thereof.
10. The compound of claim 1 which is:
(2S)-4-(2,5-Difluorophenyl)-N-[(2R,4R)-2-(fluoromethyl)-1-methylpiperidin-4-yl]-2-(hydromethoxy)-N-methyl-2-phenyl-2,5-dihydro-1H-pyrrole-1-carboxamide
or a pharmaceutically acceptable salt thereof.
11. The compound of claim 1 which is:
(2S)-4-(2,5-Difluoropheny1)-N-[(3R,4S)-3-fluoro-1-methylpiperidin-4-yl]-N-methyl-2-phenyl-2,5-dihydro-1H-pyrrole-1-carboxamide
or a pharmaceutically acceptable salt thereof.
12. The compound selected from:
R 1
R 2
R 3
R 4
R 5
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
Me
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
CH 2 OH
F
H
Me
CH 2 OH
F
H
Me
CH 2 OH
F
H
Me
CH 2 OH
F
H
Me
CH 2 OH
F
H
Me
CH 2 OH
F
H
Me
CH 2 OH
F
H
Me
CH 2 OH
F
H
Me
CH 2 OH
F
H
Me
CH 2 OH
F
H
Me
CH 2 OH
Me
Cl
H
Me
CH 2 OH
Me
Br
H
Me
CH 2 OH
Me
CN
H
Me
CH 2 OH
Me
Me
H
Me
CH 2 OH
Me
CF 3
H
Me
CH 2 OH
Me
NO 2
H
Me
CH 2 OH
Me
F
OH
Me
CH 2 OH
Me
F
NH 2
Me
CH 2 OH
Me
F
F
Me
CH 2 OH
Me
F
SH
R 1
R 2
R 3
R 4
R 5
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
CH 2 OH
Me
F
H
Me
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
Me
F
H
Me
CH 2 OH
F
H
Me
CH 2 OH
F
H
Me
CH 2 OH
F
H
Me
CH 2 OH
F
H
Me
CH 2 OH
F
H
Me
CH 2 OH
F
H
Me
CH 2 OH
F
H
Me
CH 2 OH
F
H
Me
CH 2 OH
F
H
Me
CH 2 OH
F
H
Me
CH 2 OH
Me
Cl
H
Me
CH 2 OH
Me
Br
H
Me
CH 2 OH
Me
CN
H
Me
CH 2 OH
Me
Me
H
Me
CH 2 OH
Me
CF 3
H
Me
CH 2 OH
Me
NO 2
H
Me
CH 2 OH
Me
F
OH
Me
CH 2 OH
Me
F
NH 2
Me
CH 2 OH
Me
F
F
Me
CH 2 OH
Me
F
SH
or a pharmaceutically acceptable salt or stereoisomer thereof.
13. A pharmaceutical composition that is comprised of a compound in accordance with claim 1 and a pharmaceutically acceptable carrier.
14. A process for making a pharmaceutical composition which comprises combining a compound of claim 1 with a pharmaceutically acceptable carrier.