Patent ID: 7862907

Claim:
A dimethylenecyclohexane compound represented by formula 1: where R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 and R 8 are each independently a hydrogen atom, a halogen atom, a cyano group, a hydroxyl group, an amino group, a substituted or unsubstituted C 1 -C 20 alkyl group, a substituted or unsubstituted C 1 -C 20 alkoxy group, a substituted or unsubstituted C 6 -C 30 aryl group, a substituted or unsubstituted C 2 -C 30 heteroaryl group or a substituted amino group having â€”N(Zâ€²)(Zâ€³), and Zâ€² and Zâ€³ are each independently a substituted or unsubstituted C 2 -C 20 alkyl group, a substituted or unsubstituted C 6 -C 30 aryl group, a substituted or unsubstituted C 2 -C 30 heteroaryl group, a substituted or unsubstituted C 5 -C 20 cycloalkyl group, or a substituted or unsubstituted C 5 -C 30 heterocycloalkyl group; each Ar 1 is independently a substituted or unsubstituted C 6 -C 30 arylene group, or a substituted or unsubstituted C 2 -C 30 heteroarylene group; each Ar 2 is independently a substituted or unsubstituted C 6 -C 30 arylene group, or a substituted or unsubstituted C 2 -C 30 heteroarylene group; n 1 and n 2 are each independently integers from 1 to 5; and L 1 and L 2 are each independently a substituted or unsubstituted C 6 -C 30 aryl group, a substituted or unsubstituted C 2 -C 30 heteroaryl group, a substituted or unsubstituted C 5 -C 20 cycloalkyl group, a substituted or unsubstituted C 5 -C 30 heterocycloalkyl group, or a substituted amino group having â€”N(Râ€²)(Râ€³), and the Râ€² and Râ€³ are each independently a hydrogen atom, a substituted or unsubstituted C 1 -C 20 alkyl group, a substituted or unsubstituted C 6 -C 30 aryl group, a substituted or unsubstituted C 2 -C 30 heteroaryl group, a C 5 -C 20 cycloalkyl group, or a C 5 -C 30 heterocycloalkyl group.