Patent ID: 11937504
Assignee: UDC IRELAND LIMITED
Field: Basic materials chemistry (Chemistry)
Classification: CPC H  C | IPC C  H

Claim 0:
1. A compound of Formula (I), wherein
R1, R2, R3, R4, R5, R6, R7 and R8 each represents a hydrogen atom or a substituent, and contiguous substituents of R1 to R8 may be bonded to each other to form a condensed ring;
at least one of R1 to R8 represents a deuterium atom or a sub stituent containing a deuterium atom;
R9 represents a silyl group which may be substituted with a substituent; or
R9 represents an aryl group which optionally comprises deuterium and which is substituted with a silyl group, wherein the silyl group may be further substituted; or
R9 represents an aryl group which is substituted with a substituent selected from the group consisting of an alkenyl group, an alkynyl group, a hetero-aryl group, an amino group, a heterocyclic oxy group, an acyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, an acyloxy group, an acylamino group, an alkoxycarbonylamino group, an aryloxycarbonylamino group, a sulfonylamino group, a sulfamoyl group, a carbamoyl group, an alkylthio group, an arylthio group, a heterocyclic thio group, a sulfonyl group, a sulfinyl group, a ureido group, a phosphoric acid amido group, a hydroxyl group, a mercapto group, a cyano group, a sulfo group, a carboxyl group, a nitro group, a hydroxamic acid group, a sulfino group, a hydrazino group, an imino group, a heterocyclic group, a silyloxy group, and combinations thereof, wherein the aryl and any substituent optionally comprises deuterium; and
wherein R9 is not,