| 主权项 |
1. An organic dye having general formula (I):wherein:
P represents one of the following general formulae (Ia), (Ib), (Ic), (Id):
-(T)n-(P1)m-(P2)r-(P3)s- (Ia)-(P1)m-(T)n-(P2)r-(P3)s- (Ib)-(P1)m-(P2)r-(T)n-(P3)s- (Ic)-(P1)m-(P2)r-(P3)s-(T)n- (Id)wherein:
T represents a triple carbon-carbon bond having formula (II), or a double carbon-carbon bond having general formula (III) or (IV):wherein R1 and R2, the same or different, represent a hydrogen atom; or they are selected from linear or branched C1-C20 alkyl groups, saturated or unsaturated, optionally containing heteroatoms, aryl groups optionally substituted, heteroaryl groups optionally substituted, cycloalkyl groups optionally substituted;
n is an integer ranging from 0 to 5; P1, P2 and P3, the same or different, are selected from bivalent heteroaryl groups having the following general formulae (V), (VI), (VII), (VIII), (IX), (X), (XI), (XII):wherein:
R3 and R4, the same or different, represent a hydrogen atom; or they represent a halogen atom such as fluorine, chlorine or bromine; or they are selected from linear or branched C1-C20 alkyl groups, saturated or unsaturated, optionally containing heteroatoms, aryl groups optionally substituted, heteroaryl groups optionally substituted, cycloalkyl groups optionally substituted, heterocyclic groups optionally substituted, trialkyl- or triaryl-silyl groups, dialkyl- or diaryl-amine groups, dialkyl- or diaryl phosphinic groups, linear or branched C1-C20 alkoxyl groups, saturated or unsaturated, aryloxyl groups optionally substituted, thioalkoxyl or thioaryloxyl groups optionally substituted, cyano groups; Z represents a heteroatom such as oxygen, sulfur, selenium, tellurium; or it is selected from groups having general formula X(R5) or from groups having general formula Y(R6R7), wherein R5, R6 and R7, have the meanings specified hereunder, X represents a heteroatom such as nitrogen, phosphorous, arsenic, boron, Y represents a carbon, silicon, or germanium atom; W represents a heteroatom such as oxygen, sulfur, selenium, tellurium; or it is selected from groups having general formula Y(R6R7) wherein R6 and R7, have the meanings specified hereunder, Y represents a carbon, silicon, or germanium atom; R5 represents a hydrogen atom; or it is selected from linear or branched C1-C20 alkyl groups, saturated or unsaturated, optionally containing heteroatoms, aryl groups optionally substituted, cycloalkyl groups optionally substituted; R6 and R7, the same or different, are selected from linear or branched C1-C20 alkyl groups, saturated or unsaturated, optionally containing heteroatoms, aryl groups optionally substituted, cycloalkyl groups optionally substituted, linear or branched C1-C20 alkoxyl groups, saturated or unsaturated, aryloxyl groups optionally substituted, thioalkoxyl or thioaryloxyl groups optionally substituted; or R3 and R4, in general formulae (V), (VIII), or (IX), can be optionally bound to each other so as to form, together with the other atoms to which they are bound, a cycle containing from 1 to 12 carbon atoms, saturated, unsaturated, or aromatic, optionally substituted with linear or branched C1-C20 alkyl groups, saturated or unsaturated, optionally containing heteroatoms, aryl groups optionally substituted, heteroaryl groups optionally substituted, cycloalkyl groups optionally substituted, heterocyclic groups optionally substituted, trialkyl- or triaryl-silyl groups, dialkyl- or diaryl-amine groups, dialkyl- or diaryl phosphinic groups, linear or branched C1-C20 alkoxyl groups, saturated or unsaturated, aryloxyl groups optionally substituted, thioalkoxyl or thioaryloxyl groups optionally substituted, cyano groups, said cycle optionally containing heteroatoms such as oxygen, sulfur, nitrogen, silicon, phosphorous, selenium; m, r and s, the same or different, are an integer ranging from 0 to 5, with the proviso that at least one of m, r and s is different from 0; A represents a group -COOH; a phosphonic group having formula —PO(OH)2 or —PO(OH)(R), wherein R is selected from linear or branched C1-C20 alkyl groups; a carboxycyanovinylene group having general formula (XIII) or (XIV):wherein Rg, R9 and R10, the same or different, represent a hydrogen atom; or they represent a halogen atom such as fluorine, chlorine or bromine; or they are selected from linear or branched C1-C20 alkyl groups, saturated or unsaturated, optionally containing heteroatoms, aryl groups optionally substituted, heteroaryl groups optionally substituted, cycloalkyl groups optionally substituted, cyano groups, nitro groups;
t is an integer ranging from 2 to 6; D represents a triarylamine group having the following general formulae (XV), (XVI), (XVII), (XVIII), (XIX), (XX), (XXI), (XXII), (XXIII), (XXIV):wherein R11 represents an hydrogen atom or it is selected from linear or branched C1-C20 alkyl groups, saturated or unsaturated, optionally containing heteroatoms, linear or branched C1-C20 alkoxyl groups, saturated or unsaturated, polyethyleneoxyl groups having formula R′—O—[—CH2—CH2—O]m— wherein R′ represents a hydrogen atom; or it is selected from linear or branched C1-C20 alkyl groups, and m is an integer ranging from 1 to 20, aryl groups optionally substituted, heteroaryl groups optionally substituted, cycloalkyl groups optionally substituted, heterocyclic groups optionally substituted, trialkyl- or triaryl-silyl groups, dialkyl- or diaryl-amine groups, dialkyl- or diaryl phosphinic groups, linear or branched C1-C20 alkoxyl groups, saturated or unsaturated, aryloxyl groups optionally substituted, thioalkoxyl or thioaryloxyl groups optionally substituted. |
