Patent ID: 11950498
Assignee: IDEMITSU KOSAN CO., LTD.
Field: Organic fine chemistry (Chemistry)
Classification: CPC H  C  G | IPC C  H

Claim 0:
1. A compound represented by the following formula (2):, wherein in the formula (2), R1 to R10 are independently a hydrogen atom;
X is an oxygen atom;
Ar1 to Ar4 are independently selected from the group consisting of a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenylyl group, and a substituted or unsubstituted naphthyl group;
L1 to L4 are independently a single bond or a substituted or unsubstituted arylene group including 6 to 12 ring carbon atoms; and
the substituent in the case of “substituted or unsubstituted” is independently an alkyl group having 1 to 5 carbon atoms.