Aromatic methylidene compound, methylstyrul compound for producing the same, production electroluminescent element
申请人:Matsushita Electric Industrial Co., Ltd.
公开号:US20040115475A1
公开(公告)日:2004-06-17
A novel aromatic methylidene compound of formula (1):
1
wherein R
1
and R
2
are H, alkyl group, cycloalkyl group, aromatic group, or heteroaromatic group; or R
1
and R
2
together form a condensed ring consisting of aromatic or heteroaromatic rings; Ar
1
is a phenylene group, Ar
2
is the following groups:
2
wherein R
4
to R
7
are alkyl group, alkoxy group, a halogen atom, cyano group, or nitro group, Ar
3
represents aromatic or heteroaromatic group, Ar
4
and Ar
5
are phenylene group, n
4
is 0-3, n
5
is 0-4, n
6
is 0-5, and n
7
and n
8
are 0-3 and 1-4, respectively.