Patent number: 6770636
Abstract: Compounds of formula 1,
wherein:
R1 is hydrogen, hydroxy, CF3, NO2, CN, halogen, C1-C8-alkyl, or C1-C8-alkoxy;
R2, R3, and R4 independently of one another are hydrogen, C1-C8-alkyl, hydroxy, NO2, CN, C1-C8-alkoxyl, CF3, or halogen;
R5 and R6 independently of one another are hydrogen or a group consisting of C1-C8-alkyl, C2-C8-alkenyl, C3-C8-alkynyl, C3-C8-cycloalkyl, C3-C8-cycloalkyl-C1-C6-alkylene, C5-C8-cycloalkenyl, C5-C8-cycloalkenyl-C1-C6-alkylene, C6-C10-aryl, and C6-C10-aryl-C1-C6-alkylene, each optionally substituted by a group consisting of C1-C6-alkyl, C2-C6-alkenyl, halogen, C1-C6-alkyloxy, —NH2, —NH(C1-C4-alkyl), —N(C1-C4-alkyl)2, hydroxy, ═O, —COOH, —CO—OC1-C4-alkyl, —CONH2, —CONH(C1-C4-alkyl), —CON(C1-C4-alkyl)2, and CF3, or
R5 and R6 together with the nitrogen atom are a saturated or unsaturated 5-, 6-, 7-, or 8-membered heterocyclic group optionally containing one or two further heteroatoms consisting of sulfur, o
Type:
Grant
Filed:
July 24, 2001
Date of Patent:
August 3, 2004
Assignee:
Boehringer Ingelheim Pharma KG
Inventors:
Klaus Fuchs, Werner Stransky, Matthias Grauert, Adrian Carter, Wolfram Gaida, Thomas Weiser, Helmut Ensinger
Patent number: 6492407
Abstract: A method for treating a neurodegenerative disease or cerebral ischemia arising from conditions selected from the group consisting of Status epilepticus, hypoglycaemia, hypoxia, anoxia, brain trauma, brain oedema, amyotropic lateral sclerosis, Huntington's disease, Alzheimer's disease, hypotonia, cardiac infarction, brain pressure (elevated intracranial pressure), ischaemic and haemorrhagic stroke, global cerebral ischaemia with heart stoppage, diabetic polyneuropathy, tinnitus, perinatal asphyxia, psychosis, schizophrenia, depression, and Parkinson's disease, the method of treatment comprising administering to a host in need of such treatment a therapeutic amount of a compound of formula (I)
wherein R1, R2, R3, R4, R5, R6, and R7 are as defined herein, or a pharmaceutically acceptable salt thereof, and pharmaceutical compositions containing a compound of formula (I).
Type:
Grant
Filed:
April 23, 2001
Date of Patent:
December 10, 2002
Assignee:
Boehringer Imgelheim Pharma KG
Inventors:
Michael Brenner, Wolf-Dietrich Bechtel, Rainer Palluk, Marion Wienrich, Thomas Weiser
