This invention features a compound having the formula:
1
X is O or NR
1
; and each of Y and Z, independently, is
2
in which each of R
1
, R
2
, R
3
, and R
4
, independently, is alkyl, cyclyl, heterocyclyl, aralkyl, aryl, or heteroaryl; Ar
1
is aralkyl, aryl, or heteroaryl; and Ar
2
is cyclyl, heterocyclyl, aralkyl, aryl, or heteroaryl; or Ar
1
and Ar
2
taken together is heterocyclyl, aralkyl, or heteroaryl. This compound can be used as a red light emitting material in an electro-luminescence device.
本发明涉及一种具有以下结构的化合物:
1X是O或NR1;每个Y和Z,独立地,是2其中每个R1,R2,R3和R4,独立地,是烷基,环烷基,杂环烷基,芳基烷基,芳基或杂芳基; Ar1是芳基烷基,芳基或杂芳基; Ar2是环烷基,杂环烷基,芳基烷基,芳基或杂芳基; 或Ar1和Ar2一起取杂环烷基,芳基烷基或杂芳基。该化合物可用作电致发光器件中的红色
发光材料。