Patent ID: 8084588
Filing Date: 2011-12-27
Classification: C07C,C07F,C07H,C09B,Y10T

Abstract:
1. A composition, comprising: a compound for quenching emission of light of the structure of Formula 1: wherein R 1-6 on the conjugated ring system are individually an electron withdrawing group, alkyl group, aryl group, hydrogen, heteroaryl group, or a five or six member ring structure formed from the R 1 , R 2 pair, the R 3 , R 4 pair, the R 4 , R 5 pair, or the R 5 , R 6 pair; and wherein R 7 is an unsubstituted or substituted aryl or heteroaryl group, the aryl or heteroaryl group being selected from the group consisting of phenyl, xylyl, tolyl, pyridyl, and anilyl groups, with the proviso that the aryl group is not an unsubstituted phenyl or tolyl, and wherein the anilyl group is a group of Formula 2: wherein L and L′ are the same or different and are a C wherein C a substance linked to the compound of Formula 1 selected from the group consisting of an antigen, a steroid, a vitamin, a drug, a hapten, a metabolite, a toxin, an environmental pollutant, an amino acid, a protein, a nucleoside or nucleotide, an oligonucleotide, a nucleic acid polymer, a carbohydrate, a solid support, or a lipid.