Patent ID: 8742121

Claim:
A compound selected from the group consisting of: 3-E-benzylidene-6-chloro-1,3-dihydro-indole-2-one; 3-E-benzylidene-6-bromo-1,3-dihydro-indol-2-one; 3-E-benzylidene-6-fluoro-1,3-dihydro-indol-2-one; 3-E-benzylidene-6-trifluoromethyl-1,3-dihydro-indol-2-one; 3-E-6-chloro-3-(4-bromo-benzylidene)-1,3-dihydro-indol-2-one; 3-E-6-chloro-3-(4-methyl-benzylidene)-1,3-dihydro-indol-2-one; 3-E-6-chloro-3-(4-methoxyl-benzylidene)-1,3-dihydro-indol-2-one; 3-E-6-chloro-3-(3,5-dichloro-benzylidene)-1,3-dihydro-indol-2-one; 3-E-6-bromo-3-(3-bromo-benzylidene)-1,3-dihydro-indol-2-one; 3-E-6-chloro-3-(3,3-dimethyl-butylidene)-1,3-dihydro-indol-2-one; 3-E-6-chloro-3-(3-methyl-butylidene)-1,3-dihydro-indol-2-one; 3-E-6-chloro-3-(2-cyclohexyl-ethylidene)-1,3-dihydro-indol-2-one; 3-E-6-chloro-3-cyclohexylmethylene-1,3-dihydro-indol-2-one; 3-E-6-chloro-3-cyclopentylmethylene-1,3-dihydro-indol-2-one; 3-E-6-chloro-3-pyridin-2-ylmethylene-1,3-dihydro-indol-2-one; 3-E-3-(6-chloro-pyridin-2-ylmethylene)-6-chloro-1,3-dihydro-indol-2-one; 3-E-3-(3-chloro-2-fluoro-benzylidene)-6-chloro-1,3-dihydro-indol-2-one; 3-E-3-(3-chloro-4-fluoro-benzylidene)-6-chloro-1,3-dihydro-indol-2-one; 3-E-6-chloro-3-(3-chloro-5-fluoro-benzylidene)-1,3-dihydro-indol-2-one; and 3-E-3-(3-bromo-benzylidene)-6-trifluoromethyl-1,3-dihydro-indol-2-one.