主权项 |
1. D-π-A dye according to Formula (1), including the valence tautomers thereof: wherein X is selected from C(CH3)2, —O, —S, —CH═CH, or with j=1-20 and k=1-20; R′ is selected from —COOH, —OH, C≡N, —CHO, —PO3H, —PO3−, —B(OH)2, and R15—Y1 wherein R15 is a linear or branched, saturated or unsaturated alkyl chain, having 3 to 30 carbon atoms, wherein one or more carbon atoms are each optionally replaced with a component selected independently from an oxygen or sulphur atom, an —NH— or —CONH— group, or a cyclic aromatic or non-aromatic 4-, 5- or 6-membered grouping of carbon atoms, wherein one or more carbon atoms are each optionally replaced with a heteroatom selected independently from oxygen, sulphur, nitrogen or selenium, and wherein Y1 is selected from the group consisting of hydrogen, carboxyl, carbonyl, amino, sulphydryl, thiocyanate, isothiocyanate, isocyanate, maleimide, hydroxyl, phosphoramidite, glycidyl, imidazolyl, carbamoyl, anhydride, bromoacetamide, chloroacetamide, iodoacetamide, sulphonyl halide, acyl halide, aryl halide, hydrazide, succinimidyl ester, hydroxysulphosuccinimidyl ester, phthalimidyl ester, naphthalimidyl ester, monochlorotriazine, dichlorotriazine, mono- or di-halo substituted pyridine, mono- or di-halo substituted diazine, aziridine, imidyl ester, hydrazine, azidonitrophenyl, azide, 3-(2-pyridyldithio)-propionamide, glyoxal, aldehyde, nitrophenyl, dinitrophenyl, trinitrophenyl, —C≡CH and wherein R11, R12 and R13 are selected independently of each other from the group consisting of methyl, ethyl, propyl, isopropyl, —OCH3, —OCH2CH3, —OCH2CH2CH3, —OCH(CH3)2, —OCH2CH2OCH3, —Cl, —Br, —I, —N(CH3)2, R″ is selected from hydrogen, —COOH, —OH, —C≡N, —CHO, —PO3H, —PO3−, —B(OH)2, and R16—Y2 wherein R16 is selected from any of the meanings of R15 and Y2 is selected from any of the meanings of Y1; G is a conjugated system or forms a conjugated system with the adjacent heterocyclic nucleus, the conjugated system consisting of 2 to 200 carbon atoms wherein one or more carbon atoms are each optionally replaced with a component selected independently from an oxygen, sulphur, nitrogen, silicon atom, an —NH— or —CONH— group, or an aromatic 4-, 5- or 6-membered grouping of carbon atoms, wherein one or more carbon atoms are each optionally replaced with a heteroatom selected independently from oxygen, sulphur, nitrogen, silicon or selenium; D is an electron donating group selected from the group consisting of: R2, R3, R4, R5, R6, R7, R8, R9 are selected independently from the group consisting of hydrogen, hydroxyl, methyl, ethyl, propyl, isopropyl, alkyl having from 4 to 20 carbon atoms, —OCH3, —OCH2CH3, —OCH2CH2CH3, —OCH(CH3)2, —OCH2CH2CH2CH3—OCH(CH3)3, —OCH2CH2OCH3, —Cl, —Br, —I, —NH2, —NHCH3, —N(CH3)2, —N(Ph)2, wherein Ph is phenyl and R22, R23, R24, R25, R26 and R27 are selected independently of each other from hydrogen and —R17—Y3, wherein R17 is selected from any of the meanings of R15, and Y3 is selected from any of the meanings of Y1. |