The facile synthesis of the new class of core-extended rylene chromophores, dibenzopentarylenebis(dicarboximide)s, having an intense absorption at 1020–1040 nm, is presented.
DIBENZORYLENETETRACARBOXIMIDES AS INFRARED ABSORBERS
申请人:Koenemann Martin
公开号:US20100048904A1
公开(公告)日:2010-02-25
Dibenzorylenetetracarboximides of the general formula I
in which the variables are each defined as follows:
R′ are identical or different radicals:
hydrogen; optionally substituted aryloxy, arylthio, hetaryloxy or hetarylthio;
R are identical or different radicals:
hydrogen; optionally substituted C
1
-C
30
-alkyl, C
3
-C
8
-cycloalkyl, aryl or hetaryl;
m, n are each independently 0 or 1.