Substituted rylene derivatives

Details Substituted rylene derivatives Substituted rylene derivatives

2006-07-06

2011-12-06

Aulakh, Charanjit (Department: 1625)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C313S504000, C546S037000, C008S115590, C252S301160

Reexamination Certificate

active

08071775

ABSTRACT:
Rylene derivatives of the general formula Iin which the variables are each defined as follows:Rylene is a polycyclic conjugated ring system which comprises at least one perylene unitmay comprise heteroatoms as ring atoms, may be functionalized by moieties comprising —CO— groups and/or may bear further substituents other than the A radicals;A is a radical of the formulaX is oxygen or sulfur;R are identical or different radicals:optionally substituted alkyl, cycloalkyl, aryl, hetaryl, —U-aryl where U is an —O—, —S—, —NR2—, —CO—, —SO— or —SO2— moiety, or C1-C12-alkoxy, C1-C6-alkylthio, —C≡CR2, —CR2═CR22, hydroxy, mercapto, halogen, cyano, nitro, —NR3R4, —NR3COR4, —CONR3R4, —SO2NR3R4, —COOR3or —SO3R3;R′ are identical or different radicals: hydrogen or one of the R radicals;R2is hydrogen or alkyl, where the R2radicals may be the same or different when they occur more than once;R3, R4are each independently hydrogen; optionally substituted alkyl, aryl or hetaryl;n is from 1 to 8.

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U.S. Appl. No. 12/666,127, filed Dec. 22, 2009, Koenemann, et al.

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