申请人:——
公开号:US20020102433A1
公开(公告)日:2002-08-01
A compound of the following formula is described.
1
In this compound, each of R
1
-R
4
is, independently, H, substituted or unsubstituted C
1-6
alkyl, OH, C
1-6
alkoxy, or N(R
6
)(R
7
), in which each of R
6
and R
7
is, independently, H or substituted or unsubstituted C
1-6
alkyl. Alternatively, each of R
1
-R
4
is, independently, NO
2
, CN, or CO
2
R
8
, in which R
8
is H or C
1-6
alkyl. R
5
is H, substituted or unsubstituted C
1-6
alkyl, substituted or unsubstituted C
2-6
alkenyl, substituted or unsubstituted C
2-6
alkynyl, substituted or unsubstituted C
6-20
aryl, substituted or unsubstituted alkylaryl, substituted or unsubstituted C
4-20
heteroaryl, C
10-20
diarylaminoaryl, or is absent, or B and D, together with R
5
and R
11
, are substituted or unsubstituted aryl. A is O, S, or N(R
9
) in which R
9
is absent, H, substituted or unsubstituted alkyl, or substituted or unsubstituted aryl. A can also be N═N, or N═C(R
10
) in which the C is adjacent to B and in which R
10
is substituted or unsubstituted alkyl, or substituted or unsubstituted aryl. B is C or N; D is N, NH, or C(R
11
) in which R
11
is substituted or unsubstituted alkyl, or substituted or unsubstituted aryl, or B and D, together with R
5
and R
11
are substituted or unsubstituted aryl; and E is C or Si.
描述了以下化合物的结构式。在该化合物中,R1-R4中的每个基团,独立地为H、取代或未取代的C1-6烷基、OH、C1-6烷氧基或N(R6)(R7),其中R6和R7各自独立地为H或取代或未取代的C1-6烷基。或者,R1-R4中的每个基团,独立地为NO2、CN或CO2R8,其中R8为H或C1-6烷基。R5为H、取代或未取代的C1-6烷基、取代或未取代的C2-6烯基、取代或未取代的C2-6炔基、取代或未取代的C6-20芳基、取代或未取代的烷基芳基、取代或未取代的C4-20杂芳基、C10-20二芳基氨基芳基、或不存在,或B和D与R5和R11一起取代或未取代的芳基。A为O、S或N(R9),其中R9不存在、为H、取代或未取代的烷基或取代或未取代的芳基。A也可以为N═N或N═C(R10),其中C与B相邻且R10为取代或未取代的烷基或取代或未取代的芳基。B为C或N;D为N、NH或C(R11),其中R11为取代或未取代的烷基或取代或未取代的芳基,或B和D与R5和R11一起取代或未取代的芳基;E为C或Si。