Patent number: 6204222
Abstract: Substituted cyclohexene-1,2-dicarboxylic acid derivatives I
(R1 and R2 are each H, unsubstituted or substituted C1-C6-alkyl, C3-C6-alkenyl or C3-C6-alkynyl, C3-C8-cycloalkyl, unsubstituted or substituted phenyl or heterocyclyl and, if R1 is H or C1-C6-alkyl, R2 is additionally OH, C1-C6-alkoxy, C3-C6-alkenyloxy, C3-C6-alkynyloxy, C3-C6-cycloalkoxy, C5-C7-cycloalkenyloxy, C1-C6-haloalkoxy, C3-C6-haloalkenyloxy, C3-C7-cycloalkyl-C1-C6-alkoxy, C1-C6-alkyl-carbonyloxy, C1-C6-cyanoalkoxy, hydroxy-C1-C6-alkoxy, C1-C6-alkoxy-C1-C6-alkoxy, C1-C6-alkoxycarbonyl-C1-C6-alkoxy, C1-C6-alkoxy-C1-C6-alkoxy, C1-C6-alkylamino-C1-C6-alkoxy, C1-C6-dialkylamino-C1-C6-alkoxy, unsubstituted or substituted phenyl-C1-C6-alkoxy, phenyl-C3-C6-alkenyloxy or phenyl-C3-C7-alkynyloxy or unsubstituted or substituted amino, or R1 and R2, together with the nitrogen atom to which they are bonded, form an unsubstituted or substituted 3-membered to 8-membered heterocyclic structure,
R3 is H or C1-C6-alkyl,
R4 is H or halogen
Type:
Grant
Filed:
May 29, 1998
Date of Patent:
March 20, 2001
Assignee:
BASF Aktiengesellschaft
Inventors:
Ralf Klintz, Elisabeth Heistracher, Peter Schaefer, Gerhard Hamprecht, Peter Plath, Uwe Kardorff, Matthias Gerber, Karl-Otto Westphalen, Helmut Walter