Imidazopyridines and imidazopyrazines as LSD1 inhibitors

Patent metadata

Field	Value
Publication number	US-10640503-B2
Application number	US-201816038924-A
Country	US
Kind code	B2
Filing date	Jul 18, 2018
Priority date	Jul 10, 2014
Publication date	May 5, 2020
Grant date	May 5, 2020

Abstract

The present invention is directed to imidazo[1,5-a]pyridine and imidazo[1,5-a]pyrazine derivatives of Formula I, or a pharmaceutically acceptable salt thereof, which are LSD1 inhibitors useful in the treatment of diseases such as cancer.

First claim

What is claimed is:

1. A method for inhibiting lysine specific demethylase-1 activity in a patient having a cancer is selected from the group consisting of myelodysplasia syndrome, acute myelogenous leukemia, undifferentiated small cell lung cancer, Ewing's sarcoma, and primary myelofibrosis, comprising administering to the patient a therapeutically effective amount of a compound of Formula I:

or a pharmaceutically acceptable salt thereof, wherein:
X is N or CR X ;
Ring A is C 6-10 aryl or 5-10 membered heteroaryl comprising carbon and 1, 2, 3, or 4 heteroatoms selected from N, O, and S, wherein said C 6-10 aryl and 5-10 membered heteroaryl are each optionally substituted by 1, 2, 3, or 4 substituents independently selected from R A ;
Ring B is C 6-10 aryl; 5-10 membered heteroaryl comprising carbon and 1, 2, 3 or 4 heteroatoms selected from N, O, and S; C 3-10 cycloalkyl; or 4-10 membered heterocycloalkyl comprising carbon and 1, 2, 3 or 4 heteroatoms selected from N, O, and S; wherein said C 6-10 aryl, 5-10 membered heteroaryl, C 3-10 cycloalkyl, and 4-10 membered heterocycloalkyl are each optionally substituted by 1, 2, 3, or 4 substituents independently selected from R B ;
R 1 is halo, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 1-6 haloalkyl, Cy 1 , CN, OR a1 , SR a1 , C(O)R b1 , C(O)NR c1 R d1 , C(O)OR a1 , OC(O)R b1 , OC(O)NR c1 R d1 , NR c1 R d1 , NR c1 C(O)R b1 , NR c1 C(O)OR a1 , NR c1 C(O)NR c1 R d1 , C(═NR e1 )R b1 , C(═NR e1 )NR c1 R d1 , NR c1 C(═NR e1 )NR c1 R d1 , NR c1 S(O)R b1 , NR c1 S(O) 2 R b1 , NR c1 S(O) 2 NR c1 R d1 , S(O)R b1 , S(O)NR c1 R d1 , S(O) 2 R b1 , and S(O) 2 NR c1 R d1 ; wherein said C 1-6 alkyl, C 2-6 alkenyl, and C 2-6 alkynyl are each optionally substituted with 1, 2, or 3 substituents independently selected from Cy 1 , halo, CN, OR a1 , SR a1 , C(O)R b1 , C(O)NR c1 R d1 , C(O)OR a1 , OC(O)R b1 , OC(O)NR c1 R d1 , NR c1 R d1 , NR c1 C(O)R b1 , NR c1 C(O)OR a1 , NR c1 C(O)NR c1 R d1 , C(═NR e1 )R b1 , C(═NR e1 )NR c1 R d1 , NR c1 C(═NR e1 )NR c1 R d1 , NR c1 S(O)R b1 , NR c1 S(O) 2 R b1 , NR c S(O) 2 NR c1 R d1 , S(O)R b1 , S(O)NR c1 R d1 , S(O) 2 R b1 , and S(O) 2 NR c1 R d1 ;
R 3 is H, halo, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 1-6 haloalkyl, Cy 2 , CN, OR a3 , SR a3 , C(O)R b3 , C(O)NR c3 R d3 , C(O)OR a3 , OC(O)R b3 , OC(O)NR c3 R d3 , NR c3 R d3 , NR c3 C(O)R b3 , NR c3 C(O)OR a3 , NR c3 C(O)NR c3 R d3 , C(═NR e3 )R b3 , C(═NR e3 )NR c3 R d3 , NR c3 C(═NR e3 )NR c3 R d3 , NR c3 S(O)R b3 , NR c3 S(O) 2 R b3 , NR c3 S(O) 2 NR c3 R d3 , S(O)R b3 , S(O)NR c3 R d3 , S(O) 2 R b3 , and S(O) 2 NR c3 R d3 , wherein said C 1-6 alkyl, C 2-6 alkenyl, and C 2-6 alkynyl are each optionally substituted by 1, 2, or 3 substituents selected from Cy 2 , halo, CN, OR a3 , SR a3 , C(O)R b3 , C(O)NR c3 R d3 , C(O)OR a3 , OC(O)R b3 , OC(O)NR c3 R d3 , NR c3 R d3 , NR c3 C(O)R b3 , NR c3 C(O)OR a3 , NR c3 C(O)NR c3 R d3 , C(═NR e3 )R b3 , C(═NR e3 )NR c3 R d3 , NR c3 C(═NR e3 )NR c3 R d3 , NR c3 S(O)R b3 , NR c3 S(O) 2 R b3 , NR c3 S(O) 2 NR c3 R d3 , S(O)R b3 , S(O)NR c3 R d3 , S(O) 2 R b3 , and S(O) 2 NR c3 R d3 ;
R 4 is Cy 3 , H, halo, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 1-6 haloalkyl, CN, OR a2 , SR a2 , C(O)R b2 , C(O)NR c2 R d2 , C(O)OR a2 , OC(O)R b2 , OC(O)NR c2 R d2 , NR c2 R d2 , NR c2 C(O)R b2 , NR c2 C(O)OR a2 , NR c2 C(O)NR c2 R d2 , C(═NR e2 )R b2 , C(═NR e2 )NR c2 R d2 , NR c2 C(═NR e2 )NR c2 R d2 , NR c2 S(O)R b2 , NR c2 S(O) 2 R b2 , NR c2 S(O) 2 NR c2 R d2 , S(O)R b2 , S(O)NR c2 R d2 , S(O) 2 R b2 , and S(O) 2 NR c2 R d2 ; wherein said C 1-6 alkyl, C 2-6 alkenyl, and C 2-6 alkynyl are each optionally substituted with 1, 2, or 3 substituents independently selected from Cy 3 , halo, CN, OR a2 , SR a2 , C(O)R b2 , C(O)NR c2 R d2 , C(O)OR a2 , OC(O)R b2 , OC(O)NR c2 R d2 , NR c2 R d2 , NR c2 C(O)R b2 , NR c2 C(O)OR a2 , NR c2 C(O)NR c2 R d2 , C(═NR e2 )R b2 , C(═NR e2 )NR c2 R d2 , NR c2 C(═NR e2 )NR c2 R d2 , NR c2 S(O)R b2 , NR c2 S(O) 2 R b2 , NR c2 S(O) 2 NR c2 R d2 , S(O)R b2 , S(O)NR c2 R d2 , S(O) 2 R b2 , and S(O) 2 NR c2 R d2 ;
each R A is independently selected from halo, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 1-6 haloalkyl, CN, NO 2 , OR a4 , SR a4 , C(O)R b4 , C(O)NR c4 R d4 , C(O)OR a4 , OC(O)R b4 , OC(O)NR c4 R d4 , NR c4 R d4 , NR c4 C(O)R b4 , NR c4 C(O)OR a4 , NR c4 C(O)NR c4 R d4 , C(═NR e4 )R b4 , C(═NR e4 )NR c4 R d4 , NR c4 C(═NR e4 )NR c4 R d4 , NR c4 S(O)R b4 , NR c4 S(O) 2 R b4 , NR c4 S(O) 2 NR c4 R d4 , S(O)R b4 , S(O)NR c4 R d4 , S(O) 2 R b4 , and S(O) 2 NR c4 R d4 , wherein said C 1-6 alkyl, C 2-6 alkenyl, and C 2-6 alkynyl are each optionally substituted by 1, 2, or 3, substituents independently selected from halo, C 1-6 haloalkyl, CN, NO 2 , OR a4 , SR a4 , C(O)R b4 , C(O)NR c4 R d4 , C(O)OR a4 , OC(O)R b4 , OC(O)NR c4 R d4 , NR c4 R d4 , NR c4 C(O)R b4 , NR c4 C(O)OR a4 , NR c4 C(O)NR c4 R d4 , C(═NR e4 )R b4 , C(═NR e4 )NR c4 R d4 , NR c4 C(═NR e4 )NR c4 R d4 , NR c4 S(O)R b4 , NR c4 S(O) 2 R b4 , NR c4 S(O) 2 NR c4 R d4 , S(O)R b4 , S(O)NR c4 R d4 , S(O) 2 R b4 , and S(O) 2 NR c4 R d4 ;
each R B is independently selected from Cy 4 , halo, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 1-6 haloalkyl, ═O, CN, NO 2 , OR a5 , SR a5 , C(O)R b5 , C(O)NR c SR d5 , C(O)OR a5 , OC(O)R b5 OC(O)NR c5 R d5 , NR c5 R d5 , NR c5 C(O)R b5 , NR c5 C(O)OR a5 , NR c5 C(O)NR c5 R d5 , C(═NR e5 )R b5 , C(═NR e5 )NR c5 R d5 , NR c5 C(═NR e5 )NR c5 R d5 , NR 5 S(O)R b5 , NR 5 S(O) 2 Rb, NR c5 S(O) 2 NR c5 R d5 , S(O)R b5 , S(O)NR c5 R d5 , S(O) 2 R b5 , and S(O) 2 NR c5 R d5 , wherein said C 1-6 alkyl, C 2-6 alkenyl, and C 2-6 alkynyl are each optionally substituted by 1, 2, or 3 substituents independently selected from Cy 4 , halo, C 1-6 haloalkyl, CN, NO 2 , OR a5 , SR a5 , C(O)R b5 , C(O)NR c SR d5 , C(O)OR a5 , OC(O)R b5 , OC(O)NR c5 R d5 , NR c5 R d5 , NR c5 C(O)R b5 , NR c5 C(O)OR a5 , NR c5 C(O)NR c5 R d5 , C(═NR e5 )R b5 , C(═NR e5 )NR c5 R d5 , NR c5 C(═NR e5 )NR c5 R d5 , NR c5 S(O)R b5 , NR c5 S(O) 2 Rb, NR c5 S(O) 2 NR c5 R d5 , S(O)R b5 , S(O)NR c5 R d5 , S(O) 2 R b5 , and S(O) 2 NR c5 R d5 ;
R X is H, halo, C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 1-6 haloalkyl, CN, OR a8 , SR a8 , C(O)R b8 , C(O)NR c8 R d8 , C(O)OR a8 , OC(O)R b8 , OC(O)NR c8 R d8 , NR c8 R d8 , NR c8 C(O)R b8 , NR c8 C(O)OR a8 , NR c8 C(O)NR c8 R d8 , C(═NR e8 )R b8 , C(═NR e8 )NR c8 R d8 , NR c8 C(═NR e8 )NR c8 R d8 , NR c8 S(O)R b8 , NR c8 S(O) 2 R b8 , NR c8 S(O) 2 NR c8 R d8 , S(O)R b8 , S(O)NR c8 R d8 , S(O) 2 R b8 , or S(O) 2 NR c8 R d8 ;
each Cy 1 , Cy 3 , Cy 4 , and Cy 5 is independently selected from C 6-10 aryl, C 3-10 cycloalkyl, 5-10 membered heteroaryl, and 4-10 membered heterocycloalkyl, each of which is optionally substituted with 1, 2, 3, or 4 substituents independently selected from R Cy ;
each Cy 2 is independently selected from phenyl, C 3-7 cycloalkyl, 5-6 membered heteroaryl, and 4-7 membered heterocycloalkyl, each of which is optionally substituted with 1, 2, or 3 substituents independently selected from R Cy ;
each R Cy is selected from halo, C 1-4 alkyl, C 1-4 haloalkyl, C 1-4 cyanoalkyl, C 2-6 alkenyl, C 2-6 alkynyl, phenyl, C 3-7 cycloalkyl, 5-6 membered heteroaryl, 4-7 membered heterocycloalkyl, phenyl-C 1-4 alkyl-, C 3-7 cycloalkyl-C 1-4 alkyl-, (5-6 membered heteroaryl)-C 1-4 alkyl-, (4-7 membered heterocycloalkyl)-C 1-4 alkyl-, oxo, CN, NO 2 , OR a6 , SR a6 , C(O)R b6 , C(O)NR c6 R d6 , C(O)OR a6 , OC(O)R b6 , OC(O)NR c6 R d6 , C(═NR e6 )NR c6 R d6 , NR c6 C(═NR e6 )NR c6 R d6 , NR c6 R d6 , NR c6 C(O)R b6 , NR c6 C(O)OR a6 , NR c6 C(O)NR c6 R d6 , NR c6 S(O)R b6 , NR c6 S(O) 2 R b6 , NR c6 S(O) 2 NR c6 R d6 , S(O)R b6 , S(O)NR C6 R d6 , S(O) 2 R b6 , and S(O) 2 NR C6 R d6 , wherein said C 1-4 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, phenyl, C 3-7 cycloalky

Assignees

• Incyte Corp

Inventors

• Wu Liangxing
• Konkol Leah C
• Lajkiewicz Neil
• Lu Liang
• Xu Meizhong
• Yao Wenqing
• Yu Zhiyong
• Zhang Colin
• He Chunhong

Classifications

• C07D471/04 Primary

  Ortho-condensed systems · CPC title

• C07D487/04

  Ortho-condensed systems · CPC title

• C07D519/00

  Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups C07D453/00 or C07D455/00 · CPC title

• A61P35/00

  Antineoplastic agents · CPC title