申请人:UNIVERSITE D'ORLEANS
公开号:US20180194997A1
公开(公告)日:2018-07-12
The present invention relates to the use, as a fluorescent chromophore, of a compound with formula (I) wherein: A
1
is —N— or —C(Y
1
)—; A
2
is —N— or —C(Y
2
)—; A
3
is —N— or —C(Y
3
)—; A
4
is —N— or —C(Y
4
)—; at least one of A
1
, A
2
, A
3
and A
4
representing —N—; X
1
is —N— or —C(Y
5
)—; X
2
is —N— or —C(Y
6
)—; X
3
is —N— or —C(Y
7
)—; and Y
1
, Y
2
, Y
3
, Y
4
, Y
5
, Y
6
and Y
7
are in particular chosen independently of one another from the group made up of: H, electron-donor groups and electron-attracting groups.