168487. lajstromszámú szabadalom • Eljárás új ciklopenteno-kinolon-származékok előállítására

2 -The new compounds can be prepared according to the invention by the reaction of a compound of the general formula II, wherein R and Z have the' above defined meaning, with a common halogenating agent, and the halogen atom of the halogen derivative can be substituted by an other group corresponding to Y and/or the compound can be converted to its pharmaceutically acceptable salt.