Patent number: 5266699
Abstract: The compounds of the formula I ##STR1## in which Y and Y.sub.1 are each, independently of one another, O, S, NH or N-alkyl, N-cycloalkyl,N-phenyl or N-benzyl, or Y and Y.sub.1 are together N-alkylene-N,R and R.sub.1 are each, independently of one another, H, alkyl, cycloalkyl, aralkyl or aryl,R.sub.2 and R.sub.3 are each, independently of one another, H, or R.sub.2 forms, together with R.sub.6 and the N and C atoms linking them, a 5- or 6-membered ring and R.sub.3 is H, or R.sub.3 forms, together with R.sub.7 and the N and C atoms linking them, a 5- or 6-membered ring and R.sub.2 is H,R.sub.4 and R.sub.5 are each, independently of one another, H, or R.sub.4 forms, together with R.sub.8 and the N and C atoms linking them, a 5- or 6-membered ring and R.sub.5 is H, or R.sub.5 forms, together with R.sub.9 and the N and C atoms linking them, a 5- or 6-membered ring and R.sub.4 is H,R.sub.6, R.sub.7, R.sub.8 and R.sub.9 are each, independently of one another, H, alkyl, cycloalkyl, aralkyl or aryl, or R.sub.6 and R.
Type:
Grant
Filed:
October 26, 1992
Date of Patent:
November 30, 1993
Assignee:
Ciba-Geigy Corporation
Inventors:
Rudolf Naef, Beat Schmidhalter, Hanspeter Preiswerk
Patent number: 5223506
Abstract: The present invention relates to certain substituted tetracyclic fused quinoline derivatives of formula (I): ##STR1## wherein: R.sup.1 is hydrogen, hydroxy, fluoro, chloro, bromo, iodo, methoxy or amino;R.sup.2 is hydrogen, hydroxy, methoxy or amino;R.sup.3 is hydrogen, hydroxy, methoxy, methoxymethoxy, amino, --OCONH.sub.2, [2(5H)-3,4-dihydro-3-oxyfuranone], 2-hydroxyethoxy, 2-aminoethoxy, 3-hydroxypropoxy or 3-aminopropoxy; or taken together with R.sup.2 or R.sup.4, methylenedioxy or ethylenedioxy;R.sup.4 is hydrogen, hydroxy or amino;Z is --CH.sub.2 --, --O-- or --NH--; anda) X.sup.1 is hydrogen; X.sup.2 is hydrogen, hydroxy, fluoro, chloro, bromo, iodo or methoxy; and X.sup.3 is hydrogen or hydroxy; orb) X.sup.2 taken together with X.sup.3 is methylenedioxy or ethylenedioxy, and X.sup.1 is hydrogenor a pharmaceutically acceptable salt thereof provided that:i) at least one of R.sup.1 through R.sup.4 is other than hydrogen;ii) when R.sup.1 is methoxy, R.sup.2 is hydroxy or methoxy, R.sup.
Type:
Grant
Filed:
June 4, 1991
Date of Patent:
June 29, 1993
Assignee:
Glaxo Inc.
Inventors:
Michael J. Luzzio, Jeffrey M. Besterman, Michael G. Evans, M. Ross Johnson, Milana Dezube, Salvatore Profeta, Jr.