Substituted piperidine Degronimers for Target Protein degradation

1. A method for degrading a Targeted Protein via the cereblon E3 Ligase ubiquitin proteasome pathway, wherein the method comprises contacting the Targeted Protein with a compound having an N-acyl glutarimide of the following formula:

or a pharmaceutically acceptable salt thereof,

wherein:

R 12 is a Linker-Targeting Ligand;

Linker is:

X 1 is a bond, —NH—, —NR 25 —, —CH 2 —, —CHR 25 —, —C(R 25 ) 2 —, —O—, or —S—;

X 2 is a bond, —NH—, —NR 25 —, —CH 2 —, —CHR 25 —, —C(R 25 ) 2 —, —O—, or —S—;

R 20 is a bond, —CR 27 R 28 —, —CH(OR 26 )—, poly[CH(OH)CH(OH)], poly[CH 2 CH(OH)CH(OH)], —CH(OH)C(O)O—, —CH 2 CH(OH)C(O)O—, poly(lactic-co-glycolic acid), alkylene, haloalkylene, -alkylene(R 27 )-alkylene(R 28 )—, arylalkylene, heteroarylalkylene, —C(OR 26 )alkyl-, alkenylene, alkynylene, —C(O)—, —C(O)alkylene, —C(O)O—, —C(O)Oalkylene, —C(O)NH—, —C(O)N(alkyl)-, —C(S)—, —NH—, —N(alkyl)-, —NHC(O)—, —N(alkyl)C(O)—, —NHC(O)NH—, —NHC(O)NR 25 —, —NR 25 C(O)NR 25 —, —O—, —O-alkylene, —OC(O)—, —P(O)(OR 26 )—, —P(O)(OR 26 )O—, —S—, —S(O)—, —S(O) 2 —, carbocyclylene, heterocyclylene, arylene, or heteroarylene;

R 21 is a bond, —CR 27 R 28 —, —CH(OR 26 )—, poly[CH(OH)CH(OH)], poly[CH 2 CH(OH)CH(OH)], —CH(OH)C(O)O—, —CH 2 CH(OH)C(O)O—, poly(lactic-co-glycolic acid), alkylene, haloalkylene, -alkylene(R 27 )-alkylene(R 28 )—, arylalkylene, heteroarylalkylene, —C(OR 26 )alkyl-, alkenylene, alkynylene, —C(O)—, —C(O)alkylene, —C(O)O—, —C(O)Oalkylene, —C(O)NH—, —C(O)N(alkyl)-, —C(S)—, —NH—, —N(alkyl)-, —NHC(O)—, —N(alkyl)C(O)—, —NHC(O)NH—, —NHC(O)NR 25 —, —NR 25 C(O)NR 25 —, —O—, —O-alkylene, —OC(O)—, —P(O)(OR 26 )—, —P(O)(OR 26 )O—, —S—, —S(O)—, —S(O) 2 —, carbocyclylene, heterocyclylene, arylene, or heteroarylene;

R 22 is a bond, —CR 27 R 28 —, —CH(OR 26 )—, poly[CH(OH)CH(OH)], poly[CH 2 CH(OH)CH(OH)], —CH(OH)C(O)O—, —CH 2 CH(OH)C(O)O—, poly(lactic-co-glycolic acid), alkylene, haloalkylene, -alkylene(R 27 )-alkylene(R 28 )—, arylalkylene, heteroarylalkylene, —C(OR 26 )alkyl-, alkenylene, alkynylene, —C(O)—, —C(O)alkylene, —C(O)O—, —C(O)Oalkylene, —C(O)NH—, —C(O)N(alkyl)-, —C(S)—, —NH—, —N(alkyl)-, —NHC(O)—, —N(alkyl)C(O)—, —NHC(O)NH—, —NHC(O)NR 25 —, —NR 25 C(O)NR 25 —, —O—, —O-alkylene, —OC(O)—, —P(O)(OR 26 )—, —P(O)(OR 26 )O—, —S—, —S(O)—, —S(O) 2 —, carbocyclylene, heterocyclylene, arylene, or heteroarylene;

R 23 is a bond, —CR 27 R 28 —, —CH(OR 26 )—, poly[CH(OH)CH(OH)], poly[CH 2 CH(OH)CH(OH)], —CH(OH)C(O)O—, —CH 2 CH(OH)C(O)O—, poly(lactic-co-glycolic acid), alkylene, haloalkylene, -alkylene(R 27 )-alkylene(R 28 )—, arylalkylene, heteroarylalkylene, —C(OR 26 )alkyl-, alkenylene, alkynylene, —C(O)—, —C(O)alkylene, —C(O)O—, —C(O)Oalkylene, —C(O)NH—, —C(O)N(alkyl)-, —C(S)—, —NH—, —N(alkyl)-, —NHC(O)—, —N(alkyl)C(O)—, —NHC(O)NH—, —NHC(O)NR 25 —, —NR 25 C(O)NR 25 —, —O—, —O-alkylene, —OC(O)—, —P(O)(OR 26 )—, —P(O)(OR 26 )O—, —S—, —S(O)—, —S(O) 2 —, carbocyclylene, heterocyclylene, arylene, or heteroarylene;

R 24 is a bond, —CR 27 R 28 —, —CH(OR 26 )—, poly[CH(OH)CH(OH)], poly[CH 2 CH(OH)CH(OH)], —CH(OH)C(O)O—, —CH 2 CH(OH)C(O)O—, poly(lactic-co-glycolic acid), alkylene, haloalkylene, -alkylene(R 27 )-alkylene(R 28 )—, arylalkylene, heteroarylalkylene, —C(OR 26 )alkyl-, alkenylene, alkynylene, —C(O)—, —C(O)alkylene, —C(O)O—, —C(O)Oalkylene, —C(O)NH—, —C(O)N(alkyl)-, —C(S)—, —NH—, —N(alkyl)-, —NHC(O)—, —N(alkyl)C(O)—, —NHC(O)NH—, —NHC(O)NR 25 —, —NR 25 C(O)NR 25 —, —O—, —O-alkylene, —OC(O)—, —P(O)(OR 26 )—, —P(O)(OR 26 )O—, —S—, —S(O)—, —S(O) 2 —, carbocyclylene, heterocyclylene, arylene, or heteroarylene;

each R 25 is independently alkyl, alkenyl, alkynyl, —C(O)H, —C(O)alkyl, —C(O)OH, or —C(O)Oalkyl;

each R 26 is independently hydrogen, alkyl, arylalkyl, heteroarylalkyl, alkenyl, alkynyl, aryl, heteroaryl, or heterocyclyl;

each R 27 is independently H, alkyl, or NH 2 ;

each R 28 is independently H, alkyl, or NH 2 ; or

each R 27 and R 28 , together with the carbon atom to which they are attached, independently forms —C(CH 2 )—, —C(O)—, a C 3 -C 6 spirocarbocyclylene, or a 4-, 5-, or 6-membered spiroheterocyclylene, wherein the 4-, 5-, or 6-membered spiroheterocyclylene contains 1 or 2 heteroatoms independently selected from the group consisting of N and O; and

Targeted Protein is 4BVV, ABL1, ABL2, AKT1, AKT2, androgen receptor, AP1, AP2, ASH1L, ATAD2, ATF2, AXL, BAZ2A, BAZ2B, Bcl-2, Bcl-XL, BCR-ABL, BMX, BRPF1, cathepsin, CECR2, CSF1R, cyclin dependent kinase, DDR1, dihydrofolate reductase, DOT1L, EED, EHMT1, EHMT2, EPHA2, EPHA3, EPHA4, EPHA7, EPHB4, estrogen receptor, EZH2, factor Xa, fatty acid binding protein, FES, FKBP, FLAP, FLT3, FYN, GSG2, HBV, HCK, HCV protease, HDM2, heat shock protein, histone acetyltransferase, HIV integrase, HIV protease, HIV reverse transcriptase, IDO1, IDH1, IGF1R, INSR, ITK, kallikrein 7, KDM4, KDM5, KDM6, KIT, kringle domain V, KSR1, L3MBTL3, lactoylglutathione lyase, LCK, LSD1, LYN, lysine methyltransferase, lysine-specific histone demethylase, mast/stem cell growth factor receptor, MCL-1, MDM2, MDM4, MEK1, MEN1, MER, MERTK, MET, mPGES-1, MST1R, MTH1, NTRK, PAK1, PAK4, PB1, PDGFR receptor, PDZ, PHIP, phospholipase A2 domain, PNET, PPAR-gamma, protein S100-A7, RAML receptor, RCC receptor, ROS1 receptor, saposin-B, Sec7, SEGA receptor, SETD2, SETD7, SETD8, SETDB1, SF6D, SH2 domain, SMYD2, SMYD3, SUV4-20H1, TAF1, TAF1L, TANK1, TEC, tie 2 receptor, TNIK, mTORC1, mTORC2, TRKB, TRIM24, U09-CX-5279, VEGF receptor, or YES;

wherein the alkylene, each alkylene of -alkylene(R 27 )-alkylene(R 28 )—, alkyl of —C(OR 26 )alkyl-, alkylene of arylalkylene, alkylene of heteroarylalkylene, alkenylene, alkynylene, —C(O)alkylene, —C(O)Oalkylene-, —C(O)N(alkyl)-, —N(alkyl)-, —N(alkyl)C(O)—, or —O-alkylene- of R 20 , R 21 , R 22 , R 23 , and R 24 is optionally and independently substituted with one substituent independently selected from the group consisting of F, Cl, Br, I, —CN, —NO 2 , —C(O)OH, —C(O)Oalkyl, —NH 2 , —NH(alkyl), —N(alkyl) 2 , —OH, —O(alkyl), —O(aryl), —O(heteroaryl), heterocyclyl, aryl, and heteroaryl;

wherein the carbocyclylene, heterocyclylene, arylene, or heteroarylene of R 20 , R 21 , R 22 , R 23 , and R 24 is optionally and independently substituted with one substituent independently selected from the group consisting of F, Cl, Br, I, —CN, —NO 2 , alkyl, haloalkyl, arylalkyl, heteroarylalkyl, alkenyl, alkynyl, —C(O)OH, —C(O)Oalkyl, —NH 2 , —NHI(alkyl), —N(alkyl) 2 , OH, —O(alkyl), —O(aryl), —O(heteroaryl), heterocyclyl, aryl, and heteroaryl;

wherein the compound having an N-acyl glutarimide binds to cereblon;

wherein the compound having an N-acyl glutarimide contains a Targeting Ligand for the Targeted Protein; and

wherein the Targeting Ligand is a small molecule means for binding a Targeted Protein that mediates a disease.

2. The method of claim 1 , wherein the Linker is:

3. The method of claim 1 , wherein the Linker is:

4. The method of claim 1 , wherein the Linker is:

wherein:

(i) -Heteroaryl- is

 or

(ii) -Heteroaryl- is

 or

(iii) -Heteroaryl- is

 and

X 2 is —CH 2 —; or

(iv) -Heteroaryl- is

 and

X 2 is —CH 2 —; or

(v) -Heteroaryl- is

X 1 is —NH—; and

X 2 is —CH 2 —; or

(vi) -Heteroaryl- is

X 1 is —NH—; and

X 2 is —CH 2 —; or

(vii) -Heteroaryl- is

X 1 is —O—; and

X 2 is —CH 2 —; or

(viii) -Heteroaryl- is

X 1 is —O—; and

X 2 is —CH 2 —.

5. The method of claim 1 , wherein X 1 is a bond.

6. The method of claim 1 , wherein X 2 is a bond.

7. The method of claim 1 , wherein R 21 is a bond.

8. The method of claim 7 , wherein R 22 is a bond.

9. The method of claim 8 , wherein R 23 is a bond.

10. The method of claim 1 , wherein:

(i) R 20 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; or

(ii) R 21 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; or

(iii) R 22 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; or

(iv) R 23 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; or

(v) R 24 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted.

11. The method of claim 1 , wherein:

(i) R 20 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; and

R 21 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; or

(ii) R 20 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; and

R 22 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; or

(iii) R 20 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; and

R 23 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; or

(iv) R 20 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; and

R 24 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; or

(v) R 21 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; and

R 22 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; or

(vi) R 21 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; and

R 23 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; or

(vii) R 21 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; and

R 24 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; or

(viii) R 22 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; and

R 23 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; or

(ix) R 22 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; and

R 24 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; or

(x) R 23 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; and

R 24 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted.

12. The method of claim 1 , wherein:

(i) R 20 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted;

R 21 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; and

R 22 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; or

(ii) R 20 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted;

R 21 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; and

R 23 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; or

(iii) R 20 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted;

R 21 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; and

R 24 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; or

(iv) R 20 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted;

R 22 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; and

R 23 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; or

(v) R 20 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted;

R 22 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; and

R 24 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; or

(vi) R 20 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted;

R 23 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; and

R 24 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; or

(vii) R 21 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted;

R 22 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; and

R 23 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; or

(viii) R 21 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted;

R 22 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; and

R 24 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; or

(ix) R 21 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted;

R 23 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; and

R 24 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; or

(x) R 22 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted;

R 23 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted; and

R 24 is heterocyclylene, arylene, or heteroarylene, wherein the heterocyclylene, arylene, or heteroarylene is optionally substituted.

13. The method of claim 1 , wherein the Targeted Protein is the estrogen receptor or androgen receptor.

14. The method of claim 1 , wherein the Targeted Protein is selected from the group consisting of ABL1, ABL2, AKT1, AKT2, AP1, AP2, ASH1L, ATAD2, ATF2, AXL, BAZ2A, BAZ2B, Bcl-2, Bcl-XL, BCR-ABL, and BMX.

15. The method of claim 1 , wherein the Targeted Protein is selected from the group consisting of BRPF1, cathepsin, CECR2, CSF1R, cyclin dependent kinase, DDR1, dihydrofolate reductase, DOT1L, EED, EHMT1, EHMT2, EPHA2, EPHA3, EPHA4, EPHA7, EPHB4, and EZH2.

16. The method of claim 1 , wherein the Targeted Protein is selected from the group consisting of factor Xa, fatty acid binding protein, FES, FKBP, FLAP, FLT3, FYN, GSG2, HBV, HCK, HCV protease, HDM2, heat shock protein, histone acetyltransferase, HIV integrase, HIV protease, HIV reverse transcriptase, IDO1, IDH1, IGF1R, INSR, and ITK.

17. The method of claim 1 , wherein the Targeted Protein is selected from the group consisting of 4BVV, kallikrein 7, KDM4, KDM5, KDM6, KIT, kringle domain V, KSR1, L3MBTL3, lactoylglutathione lyase, LCK, LSD1, LYN, lysine methyltransferase, lysine-specific histone demethylase, mast/stem cell growth factor receptor, MCL-1, MDM2, MDM4, MEK1, MEN1, MER, MERTK, MET, mPGES-1, MST1R, MTH1, and NTRK.

18. The method of claim 1 , wherein the Targeted Protein is selected from the group consisting of PAKI, PAK4, PB1, PDGFR receptor, PDZ, PHIP, phospholipase A2 domain, PNET, PPAR-gamma, protein S100-A7, RAML receptor, RCC receptor, ROS1 receptor, saposin-B, Sec7, SEGA receptor, SETD2, SETD7, SETD8, SETDB1, SH2 domain, SMYD2, SMYD3, and SUV4-20H1.

19. The method of claim 1 , wherein the Targeted Protein is selected from the group consisting of SF6D, TAF1, TAF1L, TANK1, TEC, tie 2 receptor, TNIK, mTORC1, mTORC2, TRKB, TRIM24, U09-CX-5279, VEGF receptor, and YES.

20. The method of claim 1 , wherein the compound having an N-acyl glutarimide is of the following formula:

or a pharmaceutically acceptable salt thereof.

21. The method of claim 1 , wherein the compound having an N-acyl glutarimide is of the following formula:

or a pharmaceutically acceptable salt thereof.

22. The method of claim 1 , wherein the compound having an N-acyl glutarimide is of the following formula:

or a pharmaceutically acceptable salt thereof.