Patent number: 6063815
Abstract: This invention provides compounds of Formula I having the structure ##STR1## wherein Y is ##STR2## R.sup.1 and R.sup.2 are each, independently, hydrogen, alkyl of 1-6 carbon atoms, halogen, perfluoroalkyl of 1-6 carbon atoms, cycloalkyl of 3-8 carbon atoms, thienyl, furyl, phenyl or phenyl mono-, di- or tri-substituted with trifluoromethyl, chloro, methoxy, or trifluoromethoxy;R.sup.3 and R.sup.4 are each, independently, hydrogen, carboxyl, hydroxyl, hydoxyalkyl of 1-6 carbon atoms, hydroxyalkanoyl of 1-6 carbon atoms, aryloxycarbonyl of 7-13 carbon atoms, alkoxycarbonyl of 2-7 carbon atoms, perfluoroalkoxycarbonyl of 2-7 carbon atoms, alkyl of 1-6 carbon atoms, perfluoroalkyl of 1-6 carbon atoms, aminoalkyl of 1-6 carbon atoms, alkylamino of 1-6 carbon atoms, dialkylamino of 1-6 carbon atoms per alkyl group, tetrazolyl, mercapto, alkylsulfanyl of 1-6 carbon atoms, nitrile, nitro, amino, --NHSO.sub.2 CF.sub.
Type:
Grant
Filed:
May 10, 1999
Date of Patent:
May 16, 2000
Assignee:
American Home Products Corporation
Inventor:
Paul J. Dollings
Patent number: 5721234
Abstract: Novel glutamate receptor antagonists represented by the formula ##STR1## or a pharmaceutically acceptable salt thereof, whereinZ is an alicyclic fused ring having 5 to 7 carbon atoms;R.sup.1 is hydrogen, an alkyl or an arylalkyl; andA is O, CH.sub.2, NR.sup.4, CH.sub.2 NR.sup.4, CN, tetrazole or CO wherein R.sup.4 is hydrogen, alkyl, hydroxyalkyl, aminoalkyl or aralkyl, wherein(i) when A is O, CH.sub.2, NR.sup.4 or CH.sub.2 NR.sup.4 then B is hydrogen, alkyl, alkenyl, alkynyl, aryl, aralkyl, hydroxyalkyl, alkoxy, aminoalkyl, heterocyclic, alkylheterocyclic, heterocyclic-methyl, heterocyclic-ethyl, alkylcarbonyl, cycloalkylcarbonyl, arylcarbonyl, aralkylcarbonyl, heterocyclic-carbonyl, alkylheterocyclic-carbonyl, or when A is NR.sup.4 or CH.sub.2 NR.sup.4 then B is a naturally occurring .alpha.-amino acid moiety joined by an amide bond or B joins with R.sup.4 and the nitrogen to form a four to seven membered heterocyclic ring, provided that when Z is a fused cyclohexyl ring and R.sup.
Type:
Grant
Filed:
October 23, 1995
Date of Patent:
February 24, 1998
Assignee:
Warner-Lambert Company
Inventors:
Christopher Franklin Bigge, Daniel Martin Retz