申请人:Koenemann Martin
公开号:US20110068328A1
公开(公告)日:2011-03-24
The invention relates to compounds of the formula (I)
in which Y
1
and Y
2
are each O or, respectively, NR
a
or NR
b
, where R
a
and R
b
are each H or organyl; Z
1
to Z
4
are each O or S; R
11
to R
14
, R
21
to R
24
are each Cl, F; where 1 or 2 of the R
11
to R
14
, R
21
to R
24
radicals may also be CN and/or 1 R
11
to R
14
, R
21
to R
24
radical may be H; and where, when Y
1
is NR
a
, Z
1
or Z
2
may also be NR
c
, where R
a
and R
c
together are a bridging X group having from 2 to 5 atoms; and where, when Y
2
is NR
b
, Z
3
or Z
4
may also be NR
d
, where R
b
and R
d
together are a bridging X group having from 2 to 5 atoms;
to a process for preparation thereof, and to their use as emitter materials, charge transport materials or exciton transport materials.
该发明涉及以下式(I)的化合物,其中Y1和Y2分别为O或NRa或NRb,其中Ra和Rb分别为H或有机基;Z1至Z4分别为O或S;R11至R14,R21至R24分别为Cl,F;其中R11至R14,R21至R24中的1或2个基也可以是CN和/或1个R11至R14,R21至R24基可以是H;当Y1为NRa时,Z1或Z2也可以是NRc,其中Ra和Rc一起是具有2到5个原子的桥接X基团;当Y2为NRb时,Z3或Z4也可以是NRd,其中Rb和Rd一起是具有2到5个原子的桥接X基团;以及制备该化合物的方法,以及它们作为发射材料、电荷传输材料或激子传输材料的用途。