Tricyclic pyridone derivatives

Details Tricyclic pyridone derivatives Tricyclic pyridone derivatives

C - Chemistry, Metallurgy

07

D

C07D 471/04 (2006.01) A61K 31/435 (2006.01) A61K 31/495 (2006.01) A61K 31/535 (2006.01) A61K 31/54 (2006.01) C07D 213/80 (2006.01) C07D 213/82 (2006.01) C07D 401/06 (2006.01) C07D 401/12 (2006.01) C07D 413/06 (2006.01) C07D 417/06 (2006.01) C07D 495/14 (2006.01) C07D 498/04 (2006.01)

Patent

CA 2048003

RAN 4008/348 Abstract The novel pyridone derivatives of the formula Image I wherein Ra signifies hydrogen or halogen, Rb signifies the group -OR1 or -NR2R3, R1 signifies an unsubstituted lower alkyl group or a lower alkyl group substituted by hydroxy, lower alkoxy, amino, lower alkylamino, di(lower alkyl)- amino, di(lower alkyl)carbamoyl or lower alkoxycarbonyl- amino, R2 signifies hydrogen or a lower alkyl group which is unsubstituted or substituted by hydroxy, lower alkoxy, amino, lower alkylamino, di(lower alkyl)-amino, di(lower alkyl)carbamoyl or lower alkoxycarbonyl-amino and R3 signifies hydrogen or lower alkyl or R2 and R3 together with the nitrogen atom signify a 1-azetidinyl, 1-pyrrolidinyl, 1- piperidinyl, 4-morpholinyl, 4-thiomorpholinyl or 1-piper- azinyl group which is unsubstituted or mono- or disub- stituted by lower alkyl, hydroxy, lower alkoxy, lower hydroxyalkyl, lower alkoxyalkyl or phenyl, B and the carbon atom denoted by .alpha. together signify the group >C.alpha.-S-CH=CH- or >C.alpha.-CR4=CH-CH=CH- and R4 signifies hydrogen, fluorine or chlorine, can be used for the control or prevention of illnesses. In particular, they have muscle relaxant, sedative-hypnotic, anxiolytic and/or anticonvulsive activity and can accordingly be used in the control or prevention of muscle tensions, stress conditions, insomnia, anxiety states and/or convulsions.

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