Kras protein degraders, pharmaceutical compositions thereof, and their therapeutic applications

Patent metadata

Field	Value
Publication number	US-2024190885-A1
Application number	US-202218552482-A
Country	US
Kind code	A1
Filing date	Mar 30, 2022
Priority date	Mar 31, 2021
Publication date	Jun 13, 2024
Grant date	—

Abstract

Provided herein are KRAS protein degraders, for example, a compound of Formula (I), and pharmaceutical compositions thereof. Also provided herein are methods of their use for treating, preventing, or ameliorating one or more symptoms of a KRAS-mediated disorder, disease, or condition.

First claim

What is claimed is:

1 . A compound of Formula (I):

or an enantiomer, a mixture of enantiomers, a diastereomer, a mixture of two or more diastereomers, a tautomer, a mixture of two or more tautomers, or an isotopic variant thereof; or
a pharmaceutically acceptable salt, solvate, hydrate, or prodrug thereof; wherein:
R 1 , R 3 , R 4 , and R 5 are each independently (i) hydrogen, deuterium, cyano, halo, or nitro; (ii) C 1-6 alkyl, C 1-6 heteroalkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 3-10 cycloalkyl, C 6-14 aryl, C 7-15 aralkyl, heteroaryl, or heterocyclyl; (iii) —C(O)R 1a , —C(O)OR 1a , —C(O)NR 1b R 1c , —C(O)SR 1a , —C(NR 1a )NR 1b R 1c , —C(S)R 1a , —C(S)OR 1a , —C(S)NR 1b R 1c , —OR 1a , —OC(O)R 1a , —OC(O)OR 1a , —OC(O)NR 1b R 1c , —OC(O)SR 1a , —OC(NR 1a )NR 1b R 1c , —OC(S)R 1a , —OC(S)OR 1a , —OC(S)NR 1b R 1c , —OS(O)R 1a , —OS(O) 2 R 1a , —OS(O)NR 1b R 1c , —OS(O) 2 NR 1b R 1c , —NR 1b R 1c , —NR 1a C(O)R 1d , —NR 1a C(O)OR 1d , —NR 1a C(O)NR 1b R 1c , —NR 1a C(O)SR 1d , —NR 1a C(NR 1d )NR 1b R 1c , —NR 1a C(S)R 1d , —NR 1a C(S)OR 1d , —NR 1a C(S)NR 1b R 1c , —NR 1a S(O)R 1d , —NR 1a S(O) 2 R 1d , —NR 1a S(O)NR 1b R 1c , —NR 1a S(O) 2 NR 1b R 1c , —SR 1a , —S(O)R 1a , —S(O) 2 R 1a , —S(O)NR 1b R 1c or —S(O) 2 NR 1b R 1c ; or (iv) -A-L-R B ; with the proviso that one of R 1 , R 3 , R 4 , and R 5 is -A-L-R B ;
R 2 is C 1-6 alkyl, C 1-6 heteroalkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 3-10 cycloalkyl, C 6-14 aryl, C 7-15 aralkyl, heteroaryl, or heterocyclyl; and
A is a bond, C 3-10 cycloalkylene, C 6-14 arylene, heteroarylene, or heterocyclylene;
L is a linker;
R B is C 2-6 fluoroalkyl, C 2-6 alkynyl, C 3-10 cycloalkyl, C 6-14 aryl, C 7-15 aralkyl, heteroaryl, or heterocyclyl; and
each R 1a , R 1b , R 1c , and R 1d is independently hydrogen, deuterium, C 1-6 alkyl, C 1-6 heteroalkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 3-10 cycloalkyl, C 6-14 aryl, C 7-10 aralkyl, heteroaryl, or heterocyclyl;
wherein each alkyl, heteroalkyl, alkenyl, alkynyl, cycloalkyl, cycloalkylene, aryl, arylene, aralkyl, heteroaryl, heteroarylene, heterocyclyl, and heterocyclylene is optionally substituted with one or more, in one embodiment, one, two, three, or four, substituents Q, wherein each Q is independently selected from: (a) deuterium, cyano, halo, imino, nitro, and oxo; (b) C 1-6 alkyl, C 1-6 heteroalkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 3-10 cycloalkyl, C 6-14 aryl, C 7-15 aralkyl, heteroaryl, and heterocyclyl, each of which is further optionally substituted with one or more, in one embodiment, one, two, three, or four, substituents Q a ; and (c) —C(O)R a , —C(O)OR a , —C(O)NR b R c , —C(O)SR a , —C(NR a )NR b R c , —C(S)R a , —C(S)OR a , —C(S)NR b R c , —OR a , —OC(O)R a , —OC(O)OR a , —OC(O)NR b R c , —OC(O)SR a , —OC(NR a )NR b R c , —OC(S)R a , —OC(S)OR a , —OC(S)NR b R c , —OP(O)(OR b )OR c , —OS(O)R a , —OS(O) 2 R a , —OS(O)NR b R c , —OS(O) 2 NR b R c , —NR b R c , —NR a C(O)R d , —NR a C(O)OR d , —NR a C(O)NR b R c , —NR a C(O)SR d , —NR a C(NR d )NR b R c , —NR a C(S)R d , —NR a C(S)OR d , —NR a C(S)NR b R c , —NR a S(O)R d , —NR a S(O) 2 R d , —NR a S(O)NR b R c , —NR a S(O) 2 NR b R c , —SR a , —S(O)R a , —S(O) 2 R a , —S(O)NR b R c , and —S(O) 2 NR b R c , wherein each R a , R b , R c , and R d is independently (i) hydrogen or deuterium; (ii) C 1-6 alkyl, C 1-6 heteroalkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 3-10 cycloalkyl, C 6-14 aryl, C 7-15 aralkyl, heteroaryl, or heterocyclyl, each of which is optionally substituted with one or more, in one embodiment, one, two, three, or four, substituents Q a ; or (iii) R b and R c together with the N atom to which they are attached form heterocyclyl, optionally substituted with one or more, in one embodiment, one, two, three, or four, substituents Q a ;
wherein each Q a is independently selected from: (a) deuterium, cyano, halo, nitro, imino, and oxo; (b) C 1-6 alkyl, C 1-6 heteroalkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 3-10 cycloalkyl, C 6-14 aryl, C 7-15 aralkyl, heteroaryl, and heterocyclyl; and (c) —C(O)R e , —C(O)OR e , —C(O)NR f R g , —C(O)SR e , —C(NR e )NR f R g , —C(S)R e , —C(S)OR e , —C(S)NR f R g , —OR e , —OC(O)R e , —OC(O)OR e , —OC(O)NR f R g , —OC(O)SR e , —OC(NR e )NR f R g , —OC(S)R e , —OC(S)OR e , —OC(S)NR f R g , —OP(O)(OR f )OR g , —OS(O)R e , —OS(O) 2 R e , —OS(O)NR f R g , —OS(O) 2 NR f R g , —NR f R g , —NR e C(O)R h , —NR e C(O)OR f , —NR e C(O)NR f R g , —NR e C(O)SR f , —NR e C(NR h )NR f R g , —NR e C(S)R h , —NR e C(S)OR f , —NR e C(S)NR f R g , —NR e S(O)R h , —NR e S(O) 2 R h , —NR e S(O)NR f R g , —NR e S(O) 2 NR f R g , —SR e , —S(O)R e , —S(O) 2 R e , —S(O)NR f R g , and —S(O) 2 NR f R g ; wherein each R e , R f , R g , and R h is independently (i) hydrogen or deuterium; (ii) C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 3-10 cycloalkyl, C 6-14 aryl, C 7-15 aralkyl, heteroaryl, or heterocyclyl; or (iii) R f and R g together with the N atom to which they are attached form heterocyclyl.

2 . The compound of claim 1 , wherein R 5 is -A-L-R B .

3 . The compound of claim 1 , wherein R 4 is -A-L-R B .

4 . The compound of claim 1 , wherein R 3 is -A-L-R B .

5 . The compound of claim 1 , wherein R 1 is -A-L-R B .

6 . The compound of any one of claims 1 to 5 , wherein A is (i) a bond; or (ii) C 6-14 arylene or heteroarylene, each of which is optionally substituted with one or more substituents Q.

7 . The compound of any one of claims 1 to 6 , wherein A is a bond.

8 . The compound of any one of claims 1 to 6 , wherein A is C 6-14 arylene optionally substituted with one or more substituents Q.

9 . The compound of any one of claims 1 to 6 , wherein A is heteroarylene optionally substituted with one or more substituents Q.

10 . The compound of any one of claims 1 to 6 and 9 , wherein A is monocyclic heteroarylene optionally substituted with one or more substituents Q.

11 . The compound of any one of claims 1 to 6, 9, and 10 , wherein A is 5- or 6-membered heteroarylene optionally substituted with one or more substituents Q.

12 . The compound of claim 1 or 2 , wherein the compound is a compound of Formula

or an enantiomer, a mixture of enantiomers, a diastereomer, a mixture of two or more diastereomers, a tautomer, a mixture of two or more tautomers, or an isotopic variant thereof; or
a pharmaceutically acceptable salt, solvate, hydrate, or prodrug thereof; wherein:
each R 5a is independently (i) deuterium, cyano, halo, or nitro; (ii) C 1-6 alkyl, C 1-6 heteroalkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 3-10 cycloalkyl, C 6-14 aryl, C 7-15 aralkyl, heteroaryl, or heterocyclyl, each of which is optionally substituted with one or more substituents Q; or (iii) —C(O)R 1a , —C(O)OR 1a , —C(O)NR 1b R 1c , —C(O)SR 1a , —C(NR 1a )NR 1b R 1c , —C(S)R 1a , —C(S)OR 1a , —C(S)NR 1b R 1c , —OR 1a , —OC(O)R 1a , —OC(O)OR 1a , —OC(O)NR 1b R 1c , —OC(O)SR 1a , —OC(NR 1a )NR 1b R 1c , —OC(S)R 1a , —OC(S)OR 1a , —OC(S)NR 1b R 1c , —OS(O)R 1a , —OS(O) 2 R 1a , —OS(O)NR 1b R 1c , —OS(O) 2 NR 1b R 1c , —NR 1b R 1c , —NR 1a C(O)R 1d , —NR 1a C(O)OR 1d , —NR 1a C(O)NR 1b R 1c , —NR 1a C(O)SR 1d , —NR 1a C(NR 1d )NR 1b R 1c , —NR 1a C(S)R 1d , —NR 1a C(S)OR 1d , —NR 1a C(S)NR 1b R 1c , —NR 1a S(O)R 1d , —NR 1a S(O) 2 R 1d , —NR 1a S(O)NR 1b R 1c , —NR 1a S(O) 2 NR 1b R 1c , —SR 1a , —S(O)R 1a , —S(O) 2 R 1a , —S(O)NR 1b R 1c , or —S(O) 2 NR 1b R 1c ; and
n is an integer of 0, 1, 2, 3, or 4.

13 . The compoun

Assignees

• Biotheryx Inc

Inventors

• Chourasia Aparajita Hoskote
• Erdman Paul E
• Fung Leah M
• Lam Imelda
• Papa Patrick
• Rajapakse Navin
• Schoolmeesters Angela
• Torres Eduardo

Classifications

• A61K31/519

  ortho- or peri-condensed with heterocyclic rings · CPC title

• C07D487/04 Primary

  Ortho-condensed systems · CPC title

• A61P35/04

  specific for metastasis · CPC title

• A61P35/00

  Antineoplastic agents · CPC title