Therapeutic valine esters of acyclovir and pharmaceutically acceptable salts thereof
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1. A pharmaceutically acceptable salt of 2-[(2-amino-1,6-dihydro-6-oxo-9H-purin-9-yl)methoxy]ethyl L-valinate.
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Abstract
The present invention relates to certain amino acid exters of the purine nucleoside acyclovir, pharmaceutically acceptable salts thereof and their use in the treatment of herpes virus infections. The invention also includes pharmaceutical formulations and processes for the preparation of such compounds.
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24 Claims
- 1. A pharmaceutically acceptable salt of 2-[(2-amino-1,6-dihydro-6-oxo-9H-purin-9-yl)methoxy]ethyl L-valinate.
- 4. A pharmaceutical composition for use as an antiviral comprising an effective antiviral amount of the compound 2-[(2-amino-1,6-dihydro-6-oxo-9H-purin-9-yl)methoxy]ethyl L-valinate or a pharmaceutically acceptable salt thereof and a pharmaceutically acceptable carrier therefor.
- 7. A tablet or capsule for use as an antiviral comprising an effective antiviral amount of the compound 2-[(2-amino-1,6-dihydro-6-oxo-9H-purin-9-yl)methoxy]ethyl L-valinate or a pharmaceutically acceptable salt thereof and a pharmaceutically acceptable carrier therefor.
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10. A method of treating a herpes virus infection in a human comprising administering to said human an effective herpes virus infection treatment amount of the compound 2-[(2-amino-1,6-dihydro-6-oxo-9H-purin-9-yl)methoxy]ethyl L-valinate or a pharmaceutically acceptable salt thereof.
- 13. A method of treating a herpes virus infection in a human comprising orally administering to said human an effective herpes virus treatment amount of the compound 2-[(2-amino-1,6-dihydro-6-oxo-9H-purin-9-yl)methoxy]ethyl L-valinate or a pharmaceutically acceptable salt thereof.
- 15. A method of treating a hepatitis B virus or Epstein Barr virus infection in a human, which comprises administering to said human an effective hepatitis B virus or Epstein Barr virus infection treatment amount of the compound 2-[(2-amino-1,6-dihydro-6-oxo-9H-purin-9-yl)methoxy]ethyl L-valinate or a pharmaceutically acceptable salt thereof.
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17. 2-[(2-amino-1,6-dihydro-6-oxo-9H-purin-9-yl)methoxy]ethyl L-valinate hydrochloride.
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18. 2-[(2-amino-1,6-dihydro-6-oxo-9H-purin-9-yl)methoxy]ethyl L-valinate.
- 19. A method of generating acyclovir in the plasma of a mammal, which comprises orally administering the compound 2-[(2-amino-1,6-dihydro-6-oxo-9H-purin-9-yl)methoxy]ethyl L-valinate or a pharmaceutically acceptable salt thereof to said mammal.
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22. The hydrochloride salt of 2-[(2-amino-1,6-dihydro-6-oxo-9H-purin-9-yl)methoxy]ethyl L-valinate.
- 23. The method of treating a CMV infection in a human, which comprises administering to said human an effective CMV treatment amount of 2-[(2-amino-1,6-dihydro-6-oxo-9H-purin-9-yl)methoxy]ethyl L-valinate or a pharmaceutically acceptable salt thereof.
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