IP Library Patent Application 19236079
Patent Application
App. No. 19/236,079

MITOCHONDRIA-TARGETING PEPTIDES

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Quick Facts
Patent No.
US None
App. No.
19/236,079
Abstract

Disclosed are analogs of SBT-20. The compounds are useful for the treatment and prevention of ischemia-reperfusion injury (e.g., cardiac ischemia-reperfusion injury) or myocardial infarction.

Claims (34)

1 .- 20 . (canceled)

21 . A compound having the structure of Formula (I):

or a pharmaceutically acceptable salt thereof.

22 . A method of making a compound of Formula (I):

or a pharmaceutically acceptable salt thereof;

the method comprising:

a) combining

 under conditions sufficient to produce:

 or a pharmaceutically acceptable salt thereof.

23 . The method of claim 22 , wherein the method comprises:

i. combining

 in one or more solvents to produce a mixture;

ii. adding one or more coupling reagents to the mixture; and

iii. adding a final solvent to the mixture produced in step (ii).

24 . The method of claim 23 , wherein the one or more solvents comprises dichloromethane.

25 . The method of claim 23 , wherein the one or more solvents comprises dry dichloromethane.

26 . The method of claim 23 , wherein the one or more coupling reagents comprises EDCI·HCl and HOBt·H 2 O.

27 . The method of claim 23 , wherein the final solvent comprises a base.

28 . The method of claim 27 , wherein the base is N-methylmorpholine.

29 . A compound having the structure of Formula (II):

or a pharmaceutically acceptable salt thereof.

30 . A method of making a compound of Formula (II):

or a pharmaceutically acceptable salt thereof,

the method comprising:

a) deprotecting

 thereby producing

 or a pharmaceutically acceptable salt thereof.

31 . The method of claim 30 , wherein deprotecting

comprises

i. dissolving

 in one or more solvents, thereby forming a solution; and

ii. adding an acid to the solution.

32 . The method of claim 31 , wherein the one or more solvents comprises dichloromethane.

33 . The method of claim 31 , wherein the acid comprises trifluoroacetic acid.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 18, 2025
From: ZHENG, GUOZHU; BAMBERGER, MARK J.; SMUKSTE, INESE
To: STEALTH BIOTHERAPEUTICS CORP.
Reel/Frame 071762/0617 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 18, 2025
From: STEALTH BIOTHERAPEUTICS CORP.
To: STEALTH BIOTHERAPEUTICS INC.
Reel/Frame 072064/0821 →