Pyridine derivative potassium channel inhibitors

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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C514S235500, C544S124000

Reexamination Certificate

active

08080543

ABSTRACT:
The present invention relates to pyridine substituted ethanol compounds and derivatives thereof having the structure (I) useful as potassium channel inhibitors to treat cardiac arrhythmias, and the like.

REFERENCES:
patent: 6706720 (2004-03-01), Atwal et al.
patent: 2006/014877 (2006-02-01), None
patent: 2006/015159 (2006-02-01), None
Gavezzotti, “Are Crystal Structures Predictable?”, Accounts of Chemical Research, vol. 27, pp. 309-314 (1994).
Vippagunta et al, “Crystalline Solids”, Advanced Drug Delivery Reviews, vol. 48, pp. 3-26 (2001).
Kokosa, J. M., “Dehydrative Metabolites of 1-(3-Chlorophenyl)-1-methyl-2-phenyl-2-(2-pyridine)ethanol as Potential Hypocholesteremic Agents”, Journal of Medicinal Chemistry, vol. 21, No. 2,pp. 225-228 (1978).
Decher, Niels et al., “Molecular Basis for Kv1.5 Channel Block”, The Journal of Biological Chemistry, vol. 279, No. 1, pp. 394-400 (2004).
Armando Lagrutta et al., “Novel, Potent Inhibitors of Human Kv1.5 K+ Channels and Ultrarapidly Activating Delayed Rectifier Potassium Current”, The Journal of Pharmacology and Experimental Therapeutics, vol. 317, No. 3.; accepted Mar. 3, 2006. pp. 1054-1063.
Michael F. Gross et al., “Aryl Sulfonamido Indane Inhibitors of the Kv1.5 Ion Channel”, Elsevier, ScienceDirect, Bioorganic & Medicinal Chemistry Letters 17, accepted Feb. 27, 2007 pp. 2849-2853.

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