Benzoxazinones and benzothiazinones endowed with therapeutic...

C - Chemistry – Metallurgy – 07 – D

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C07D 265/22 (2006.01) A61K 31/535 (2006.01) A61K 31/54 (2006.01) C07D 279/08 (2006.01)

Patent

CA 2168099

Compounds of general formula (I) wherein X is an oxygen or sulfur atom; Y is alkylene or cycloalkylene; A is hydroxy, alkoxy, acyloxy, mercapto, alkyl-sulfonyloxy, phenyl-sulfonyloxy, (a) or (b) wherein R3 is an alkyl or alkylene group .omega.-substituted by 2,3-dihydro- 4H-1,3-benzoxazin-4-one-N-yl; R is hydrogen, alkyl or phenyl; R1 and R2 are independently hydrogen, halogen, alkoxy, trifluoromethyl or alkyl; and the pharmaceutically acceptable acid and base salts thereof, are useful as therapeutically active substances.

L'invention concerne des composés de la formule générale (I). Dans cette formule, X représente un atome d'oxygène ou de soufre; Y représente un alkylène ou un cycloalkylène; A représente hydroxy, alcoxy, acyloxy, mercapto, alkylsulfonyloxy, phénylsulfonyloxy, (a) ou (b) où R3 représente un groupe alkyle ou alkylène omega -substitué par 2,3-dihydro-4H-1,3-benzoxazin-4-one-N-yle; R représente hydrogène, alkyle ou phényle; R1 et R2 représentent indépendamment hydrogène, halogène, alcoxy, trifluorométhyle ou alkyle. L'invention concerne également les sels d'un acide ou d'une base pharmaceutiquement acceptable desdits composés. Ces composés et leurs sels sont actifs et utiles comme agents thérapeutiques.

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