C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 461/00 (2006.01) A61K 31/505 (2006.01) A61K 31/535 (2006.01) A61K 31/55 (2006.01)
Patent
CA 2136547
The invention relates to novel eburnamenine derivatives of formula (I) wherein R1 and R2 as well as R3 and R4, inde- pendently from each other, stand for hydrogen, C2-6alkyl group, C2-6alkenyl group; or a C3-10alicyclic group involving 1 to 3 rings, and this latter group may be substituted by a C1-6alkyl or C2-6alkenyl group; or R1 and R2 and/or R3 and R4, to- gether with the adjacent nitrogen atom and optionally with an additional oxygen or nitrogen atom, form a 4- to 6-mem- bered, saturated or unsaturated cyclic group which may be substituted by a C1-6alkyl or C2-6alkenyl group; two of X, Y and Z are nitrogen whereas the third of them means a methine group; n is 1 or 2; W means oxygen or two hydrogen atoms; and the wavy line means .alpha.-/.alpha.-,.alpha.-/.beta.- or .beta.-/.alpha.- steric position, as well as their acid addition salts and solvates. The invention further relates to pharmaceutical compositions containing the above compounds as well as a process for preparing the compounds of for- mula (1). The compounds of formula (I) possess antioxidant effect and therefore, they are useful for inhibiting the peroxidation of lipids occurring in mammals (including human).
Balogh Gabor
Baloghne Kardos Zsuzsa
Gazdag Maria
Gere Aniko
Incze Maria
Fetherstonhaugh & Co.
Richter Gedeon Vegyeszeti Gyar Rt.
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