Tricyclic pyridine derivatives

US4889848A · kind A · utility

Assignee

• Hoffmann-La Roche Inc. · US

Inventors

• Ulf Fischer · Frenkendorf, CH
• Fernand Schneider · Basel, CH
• Ulrich Widmer · Rheinfelden, CH

Key dates

• Filing date: Jan 5, 1988
• Grant date: Dec 26, 1989
• Expiry date: Jan 5, 2008

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D513/04
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Compounds of the formula ##STR1## wherein Q.sup.1 and the nitrogen atom taken together are a group of the formula >N--CH.sub.2 CH.sub.2 -- (a), >N--CH.sub.2 CH.sub.2 CH.sub.2 -- (b), >N--CH.dbd.CH-- (c), >N--CH.sub.2 --CH.dbd.CH-- (d), >N--CH.sub.2 --S(O).sub.p -- (e), >N--CH.sub.2 CH.sub.2 --S(O).sub.p -- (f) or >N--CH.dbd.CH--S(O).sub.p -- (g), p is the integer 0, 1 or 2, Ra is a phenyl, pyridyl or thienyl group which is optionally substituted by halogen, trifluoromethyl, nitro, lower alkyl or lower alkoxy, Rb and Rc each, independently, are hydrogen, halogen, trifluoromethyl, lower alkyl, lower alkoxy or nitro and the dotted line signifies an optional bond, or Rb and Rc together with the carbon atom denoted by .alpha. are a group of the formula >C.alpha.--S--CH.dbd.CH-- (h), >C.alpha.--CH.dbd.CH--S-- (i) or >C.alpha.--CH.dbd.CH--CH.dbd.CH-- (j) which is optionally substituted by halogen, trifluoromethyl, lower alkyl, lower alkoxy, nitro, amino or mono- or di(lower alkyl)amino, and the dotted line signifies an additional bond, Rd is the group of the formula --(A.sup.1).sub.m --(CO).sub.n --(Q.sup.2 A.sup.2).sub.q --R.sup.1, m, m and q each, independently, are the integer 0 or 1, …