Process for the preparation of novel quinolein derivatives...

C - Chemistry – Metallurgy – 07 – D

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C07D 215/54 (2006.01) C07D 215/56 (2006.01) C07D 401/12 (2006.01)

Patent

CA 1204441

PRECIS DE LA DIVULGATION: L'invention concerne un procédé pour préparer les dérivés de formule (I): Image (I) où R, en 6 ou 7, est hydrogène, halogène, alcoyle (1-6c), cycloalcoyle (3-6c), alcoxy (1-6c), CF3, S-CF3 ou SCH3, R1 est hydrogène, alcoyle (1-6c),phényle ou benzyle, R2 est NHR4 où R4 représente soit alcoyle (2-6c), soit aryle (6-10c) substitué, soit hétérocycle à caractère aromatique (3-5c) substitué, étant entendu que si l'aryle ou l'hétérocycle est monosubstitué, le substituant est différent du substi- tuant R quand il s'agit d'halogène, R3 est hydrogène ou hydroxy et leurs sels avec les acides. Les dérivés (I) et leurs sels sont utiles comme médicaments, notamment anxiolytiques.

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