Cycloalkyl heterocycles for treating hepatitis C virus

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

Reexamination Certificate

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C514S407000, C548S374100, C548S376100, C548S377100

Reexamination Certificate

active

07112601

ABSTRACT:
Compounds of Formula I are disclosed which inhibit hepatitis C NS5B RNA-dependent RNA polymerase and are useful for treating hepatitis C. Compositions and methods of using these compounds are also disclosed

REFERENCES:
patent: 6045773 (2000-04-01), Isakson et al.
patent: 1 256 628 (2002-11-01), None
patent: WO 00/06529 (2000-02-01), None
patent: WO0006529 (2000-02-01), None
patent: WO 00/10573 (2000-03-01), None
patent: WO 00/13708 (2000-03-01), None
patent: WO 00/18231 (2000-04-01), None
patent: WO 01/32153 (2001-05-01), None
patent: WO 01/47883 (2001-07-01), None
patent: WO 02/04425 (2002-01-01), None
patent: WO 02/100851 (2002-12-01), None
patent: WO 03/007945 (2003-01-01), None
patent: WO 03/010141 (2003-02-01), None
Lauer, G.M., et al., “Hepatitic C Virus Infection,” The New England Journal of Medicine, vol. 345, No. 1, Jul. 5, 2001, pp. 41-52.
Poynard, T., et al., “Randomised trial of interferon α2b plus ribavirin for 48 weeks or for 24 weeks versus interferon α2b plus placebo for 48 weeks for treatment of chronic infection with hepatitis C virus,” The Lancet, vol. 352, Oct. 31, 1998, pp. 1426-1432.
Zeuzem, S., et al., “Peginterferon Alfa-2a in Patients with Chronic Hepatitis C,” The New England Journal of Medicine, vol. 343, No. 23, Dec. 7, 2000, pp. 1666-1672.
Kolykhalov, A., et al., “Hepatitus C Virus-Encoded Enzymatic Activities and Conserved RNA Elements in the 3′ Nontranslated Region Are Essential for Virus Replication In Vivo,” Journal of Virology, vol. 74, No. 4, Feb. 2000, pp. 2046-2051.
Duncia, J.V., et al., “Three Synthetic Routes to a Sterically Hindered Tetrazole. A New One-Step Mild Converstion of an Amide into a Tetrazole,” Journal of Organic Chemistry, 56, 1991, pp. 2395-2400.
Herr, R.J., “5-Substituted-1H-tetrazoles as Carboxylic Acid Isosteres: Medicinal Chemistry and Synthetic Methods,” Bioorganic and Medicinal Chemistry, 10, 2002, pp. 3379-3393.
Koguro, K., et al., “Novel Synthesis of 5-Substituted Tetrazoles from Nitriles,” Synthesis, Jun. 1998, pp. 910-914.
Sturino, C.F., et al., “A Convenient Method for the Preparation of Acylsulfonamide Libraries,” Tetrahedron Letters, 39, 1998, pp. 5891-5894.
Drummond, J.T., et al., “Convenient Procedure for the Preparation of Alkyl and Aryl Substituted N-(Aminoalkylacyl)Sulfonamides,” Tetrahedron Letters, vol. 29, No. 14, pp. 1653-1656, 1988.
Cossu, S., et al., “Unusual Reactivity of 4-Carboxyamido-2-oxazoline Systems: New Synthesis of Optically Active N-Sulphonyl Derivatives,” Tetrahedron, vol. 50, No. 17, pp. 5083-5090, 1994.
Mantlo, N.B., et al., “Imidaz[4,5-b]Pyridine-Based AT1/AT2Angiotesin II Receptor Antagonists,” Bioorganic and Medicinal Chemistry Letters, vol. 4, No. 1, pp. 17-22, 1994.
Yohara, Y., et al., “A New Class of Angiotesin II Receptor Antagonists with a Novel Acidic Bioisostere,” Bioorganic and Medicinal Chemistry, vol. 5, No. 17, pp. 1903-1908, 1995.
Kim, D., et al., “Evaluation of Heterocyclic Acid Equivalents as Tetrazole Replacements in Imidazopyridine-Based Nonpeptide Angiotensin II Receptor Antagonists,” Bioorganic and Medicinal Chemistry, vol. 4, No. 1, pp. 41-44, 1994.
Gezginci, M.H., et al., “Antimycobacerial Activity of Substituted Isosteres of Pyridine- and Pyrazinecarboxylic Acids. 2.,” Journal of Medicinal Chemistry, 2001, 44, pp. 1560-1563.
Soll, R.M., et al., “3-Hydroxy-3-Cyclobutene-1,2-Dione: Application of a Novel Carboxylic Acid Bioisostere to an In-Vivo Active Non-Tetrazole Angiotensin-II Antagonist,” Bioorganic and Medicinal Chemistry, vol. 3, No. 4, pp. 757-760, 1993.
Liebeskind, L.S., et al., “3-Stannylcyclobutenediones as Nucleophilic Cyclobutenedione Equivalents. Synthesis of Substituted Cyclobutenediones and Cyclobutenedione Monoacetals and the Beneficial Effect of Catalytic Copper Iodide on the Stille Reaction,” Journal of Organic Chemistry, 1990, 55, pp. 5359-5364.
Kehler, J., et al., “Novel Phosphinic and Phosphonic Acid Analogues of the Anticonvulsant Valproic Acid,” Bioorganic and Medicinal Chemistry Letters, 10, 2000, pp. 2547-2548.
Golebiowski, A., et al., “Solid Supported Synthesis of Hydroxamic Acids,” Tetrahedron Letters, 39, 1998, pp. 3397-3400.
Taliani, M., et al., “A Continuous Assay of Hepatitis C Virus Protease Based on Resonance Energy Transfer Depsipeptide Substrates,” Analytical Biochemistry, 240, 1996, pp. 60-67.
Tan, S-L, et al., “Hepatitis C Therapeutics: Current Status and Emerging Strategies,” Nature Reviews/Drug Discovery, vol. 1, Nov. 2002, pp. 867-881.
Still, W.C., et al., “Rapid Chromatographic Technique for Preparative Separations with Moderate Resolution,” Journal of Organic Chemistry, vol. 43, No. 14, 1978, pp. 2923-2925.
Gridnev, A.A., et al., “Synthesis of 1-Alkylimidazoles,” Synthetic Communications, 24, 11, 1994, pp. 1547-1555.

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