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US 12,110,345 B2Granted
Crystalline salt forms of Boc-D-Arg-DMT-Lys-(Boc)-Phe-NH2
AssigneeStealth BioTherapeutics Inc.
InventorScott M. Duncan
Life of this patent
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Abstract
Disclosed are various crystalline salt forms of Boc-D-Arg-DMT-Lys(Boc)-Phe-NH2.
Claims18
A crystalline form of the freebase of Compound (I),
- (Boc)-D-Arg-DMT-Lys(Boc)-Phe-NH2).
A method of preparing a crystalline form of the freebase of Compound (I), the method comprising:
- a) preparing a mixture comprising the freebase of Compound (I) and a solvent;
- and
- b) crystallizing the freebase of Compound (I) from the mixture.
A method of making Compound (II), the method comprising
- (a) preparing a mixture of a crystalline form of the freebase of compound (I), a scavenger, and a solvent
- (b) adding an acid to the mixture, thereby making compound (II)
Dependencies are inferred from the claim text.