Patent ID: 6465465
Filing Date: 2002-10-15
Classification: A61K,A61P

Abstract:
A process for the treatment of erectile dysfinction, which comprises administering to a patient in need therefor a pyrido[2,3-e]pyrazinone of Formula (1) whereinR1, R2, and R4 can be the same or different, and being a linear or branched C1-4 alkyl radical, and R3 is â€”CH2â€”A wherein A is a cyclohexyl radical; or a C6-10 monocyclic or bicyclic hydrocarbon which can be substituted once or more times by â€”F, â€”Cl, â€”Br, â€”NO2, â€”OH, â€”OCH3, â€”CH3, or â€”CN; or a monocyclic or bicyclic C3-10 heteroaromatic hydrocarbon containing 1-4 heteroatoms, and can be substituted one or more times by â€”F, â€”Cl, â€”Br, â€”OH, â€”OCH3, â€”CH3, or â€”CN, and pharmaceutically acceptable salt thereof.