Abstract: A compound of the formula: and compounds of the formulas: wherein R1 is independently in each occurrence C1-20 hydrocarbyl or C1-20 hydrocarbyl containing one or more S, N, O, P or Si atoms, C4-16 hydrocarbyl carbonyloxy, C4-16 aryl(trialkylsiloxy) or both R1 may form with the 9-carbon on the fluorene ring a C5-20 ring structure or a C4-20 ring structure containing one or more heteroatoms of S, N or O; R2 is independently in each occurrence C1-20 hydrocarbyl, C120 hydrocarbyloxy, C1-20 thioether, C1-20 hydrocarbylcarbonyloxy or cyano; R3 is independently in each occurrence C1-20 hydrocarbyl or C1-20 hydrocarbyl substituted with di(C1-20 alkyl)amino, C1-20 hydrocarbyloxy or C1-20 hydrocarbyl or tri(C1-10 alkyl)siloxy; a is independently in each occurrence 0 or 1; X is independently in each occurrence a halogen moiety; and Z is independently in each occurrence —B(OH)2, —B(OR4)2 or  wherein R4 is independently in each occurrence a C1-10

Abstract: A compound of the formula: and compounds of the formulas: wherein R1 is independently in each occurrence C1-20 hydrocarbyl or C1-20 hydrocarbyl containing one or more S, N, O, P or Si atoms, C4-16 hydrocarbyl carbonyloxy, C4-16 aryl(trialkylsiloxy) or both R1 may form with the 9-carbon on the fluorene ring a C5-20 ring structure or a C4-20 ring structure containing one or more heteroatoms of S, N or O; R2 is independently in each occurrence C1-20 hydrocarbyl, C1-20 hydrocarbyloxy, C1-20 thioether, C1-20 hydrocarbylcarbonyloxy or cyano; R3 is independently in each occurrence C1-20 hydrocarbyl or C1-20 hydrocarbyl substituted with di(C1-20 alkyl)amino, C1-20 hydrocarbyloxy or C1-20 hydrocarbyl or tri(C1-10 alkyl)siloxy; a is independently in each occurrence 0 or 1; X is independently in each occurrence a halogen moiety; and Z is independently in each occurrence —B(OH)2, —B(OR4)2 or  wherein R4 is independently in each occurrence a C1-

Abstract: A compound of the formula: and compounds of the formulas: wherein R1 is independently in each occurrence C1-20 hydrocarbyl or C1-20 hydrocarbyl containing one or more S, N, O, P or Si atoms, C4-16 hydrocarbyl carbonyloxy, C14-16 aryl(trialkylsiloxy) or both R1 may form with the 9-carbon on the fluorene ring a C5-20 ring structure or a C4-20 ring structure containing one or more heteroatoms of S, N or O; R2 is independently in each occurrence C1-20 hydrocarbyl, C1-20 hydrocarbyloxy, C1-20 thioether, C1-20 hydrocarbylcarbonyloxy or cyano; R3 is independently in each occurrence C1-20 hydrocarbyl or C1-20 hydrocarbyl substituted with di(C1-20 alkyl)amino, C1-20 hydrocarbyloxy or C1-20 hydrocarbyl or tri(C1-10 alkyl)siloxy; a is independently in each occurrence 0 or 1; X is independently in each occurrence a halogen moiety; and Z is independently in each occurrence —B(OH)2, —B(OR4)2 or  wherein R4 is independently in each occurrence a C1-1

Abstract: This invention relates to: (a) fluorene copolymers comprising at least 10% (by residual monomeric units) of 9-substituted and/or 9,9-disubstituted fluorene moieties and at least two other monomeric units containing delocalized p-electrons, (b) polymer blends comprising at least 10 weight % of a copolymer specified in (a), and (c) electronic devices (such as polymer light emitting diodes) containing one or more films derived from these copolymers.

Abstract: The invention relates to 2,7-substituted-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers. The fluorenes, oligomers and polymers are substituted at the 9-position with two hydrocarbyl moieties which may optionally contain one or more of sulfur, nitrogen, oxygen, phosphorous or silicon heteroatoms; a C5-20 ring structure formed with the 9-carbon on the fluorene ring or a C4-20 ring structure formed with the 9-carbon containing one or more heteroatoms of sulfur, nitrogen or oxygen; or a hydrocarbylidene moiety. In one embodiment, the fluorenes are substituted at the 2- and 7-positions with aryl moieties which may further be substituted with moieties which are capable of crosslinking or chain extension or a trialkylsiloxy moiety. The fluorene polymers and oligomers may be substituted at the 2- and 7′-positions. The monomer units of the fluorene oligomers and polymers are bound to one another at the 2- and 7′-positions.

Abstract: A copolymer comprising 10-90 percent by weight of groups of Formula (I): and from 10-90 percent by weight of groups selected from Formulas (II), (III), and (IV): and mixtures thereof; wherein R1 is independently in each occurrence H, C1-C20 hydrocarbyl or C1-C20 hydrocarbyl containing one or more S, N, O, P or Si atoms, C4-C16 hydrocarbyl carbonyloxy, C4-C16 aryl(trialkylsiloxy) or both R1 may form with the 9-carbon on the fluorene ring a C5-C20 cycloaliphatic structure or a C4-C20 cycloaliphatic structure containing one or more heteroatoms of S, N, or O; R2 is independently in each occurrence C1-C20 hydrocarbyl, C1-C20 hydrocarbyloxy, C1-C20 thioether, C1-C20 hydrocarbylcarbonyloxy or cyano; R3 is independently in each occurrence carboxyl, C1-C20 alkyl, C1-C20 alkoxy or a group of the formula —CO2R4 wherein R4 is a C1-C20 alkyl; and a and b are independently in each occurrence an integer from 0 to 3.

Abstract: A copolymer comprising 10-90 percent by weight of groups of Formula (I): 1

Abstract: A compound of the formula: and compound of the formulas: wherein R1 is independently in each occurrence C1-20 hydrocarbyl or C1-20 hydrocarbyl containing one or more S, N, O, P or Si atoms, C4-16 hydrocarbyl carbonyloxy, C4-16 aryl(trialkylsiloxy) or both R1 may form with the 9-carbon on the fluorene ring a C5-20 ring structure or a C4-20 ring structure containing one or more heteroatoms of S, N or O; R2 is independently in each occurrence C1-20 hydrocarbyl, C1-20 hydrocarbyloxy, C1-20 thioether, C1-20 hydrocarbylcarbonyloxy or cyano; R3 is independently in each occurrence C1-20 hydrocarbyl or C1-20 hydrocarbyl substituted with di(C1-20 alkyl)amino, C1-20 hydrocarbyloxy or C1-20 hydrocarbyl or tri(C1-10 alkyl)siloxy; a is independently in each occurrence 0 or 1; X is independently in each occurrence a halogen moiety; and Z is independently in each occurrence —B(OH)2, —B(OR4)2 or wherein R4 is independently in each occurrence a C1-10 alkyl

Abstract: The invention relates to 2,7-substituted-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers. The fluorenes, oligomers and polymers are substituted at the 9-position with two hydrocarbyl moieties which may optionally contain one or more of sulfur, nitrogen, oxygen, phosphorous or silicon heteroatoms; a C5-20 ring structure formed with the 9-carbon on the fluorene ring or a C4-20 ring structure formed with the 9-carbon containing one or more heteroatoms of sulfur, nitrogen or oxygen; or a hydrocarbylidene moiety. In one embodiment, the fluorenes are substituted at the 2- and 7-positions with aryl moieties which may further be substituted with moieties which are capable of crosslinking or chain extension or a trialkylsiloxy moiety. The fluorene polymers and oligomers may be substituted at the 2- and 7′-positions. The monomer units of the fluorene oligomers and polymers are bound to one another at the 2- and 7′-positions.

Abstract: A compound of the formula: and compounds of the formulas: wherein R1 is independently in each occurrence C1-20 hydrocarbyl or C1-20 hydrocarbyl containing one or more S, N, O, P or Si atoms, C4-16 hydrocarbyl carbonyloxy, C4-16 aryl(trialkylsiloxy) or both R1 may form with the 9-carbon on the fluorene ring a C5-20 ring structure or a C4-20 ring structure containing one or more heteroatoms of S, N or O; R2 is independently in each occurrence C1-20 hydrocarbyl, C1-20 hydrocarbyloxy, C1-20 thioether, C1-20 hydrocarbylcarbonyloxy or cyano; R3 is independently in each occurrence C1-20 hydrocarbyl or C1-20 hydrocarbyl substituted with di(C1-20 alkyl)amino, C1-20 hydrocarbyloxy or C1-20 hydrocarbyl or tri(C1-10 alkyl)siloxy; a is independently in each occurrence 0 or 1; X is independently in each occurrence a halogen moiety; and Z is independently in each occurrence —B(OH)2, —B(OR4)2 or wherein R4 is independently in each occurrence a C1-10 alkyl

Abstract: The invention relates to 2,7-substituted-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers. The fluorenes, oligomers and polymers are substituted at the 9-position with two hydrocarbyl moieties which may optionally contain one or more of sulfur, nitrogen, oxygen, phosphorous or silicon heteroatoms; a C.sub.5-20 ring structure formed with the 9-carbon on the fluorene ring or a C.sub.4-20 ring structure formed with the 9-carbon containing one or more heteroatoms of sulfur, nitrogen or oxygen; or a hydrocarbylidene moiety. In one embodiment, the fluorenes are substituted at the 2- and 7-positions with aryl moieties which may further be substituted with moieties which are capable of crosslinking or chain extension or a trialkylsiloxy moiety. The fluorene polymers and oligomers may be substituted at the 2- and 7'-positions. The monomer units of the fluorene oligomers and polymers are bound to one another at the 2- and 7'-positions.

Abstract: The invention relates to poly(tertiary di- or polyarylamines) which have more than one aryl moiety which is further substituted with a moiety capable of chain extension or crosslinking. In another aspect, the invention relates to poly(tertiary di- or polyarylamines) which have more than one aryl moiety which is further substituted with a moiety capable of chain extension or crosslinking which are partially or completely crosslinked or chain extended. The invention further relates to films prepared from such chain extended or crosslinked poly(tertiary di- or polyarylamines). The invention further relates to electrophotographic devices and electroluminescent devices, such as polymeric light-emitting diodes, containing such films.

Abstract: A process for preparing conjugated polymers which comprises contacting (i) monomers having two reactive groups selected from boronic acid, C.sub.1 -C.sub.6 boronic acid ester, C.sub.1 -C.sub.6 borane, and combinations thereof, with aromatic dihalide-functional monomers or (ii) monomers having one reactive boronic acid, boronic acid ester, or borane group and one reactive halide-functional group, with each other; (wherein the monomers are selected so that the polymerization reaction product of such has conjugated unsaturated internal groups) in a reaction mixture which contains: (a) an organic solvent in which the polymer forms at least a 1 percent solution; (b) an aqueous solution of an inorganic base having a pKa in the range of from 9 to 13, said solution having a concentration of at least 0.1N; (c) a catalytic amount of a palladium complex; and (d) at least 0.

Abstract: The invention relates to 2,7-substituted-9-substituted fluorenes and 9-substituted fluorene oligomers and polymers. The fluorenes, oligomers and polymers are substituted at the 9-position with two hydrocarbyl moieties which may optionally contain one or more of sulfur, nitrogen, oxygen, phosphorous or silicon heteroatoms; a C.sub.5-20 ring structure formed with the 9-carbon on the fluorene ring or a C.sub.4-20 ring structure formed with the 9-carbon containing one or more heteroatoms of sulfur, nitrogen or oxygen; or a hydrocarbylidene moiety. In one embodiment, the fluorenes are substituted at the 2- and 7-positions with aryl moieties which may further be substituted with moieties which are capable of crosslinking or chain extension or a trialkylsiloxy moiety. The fluorene polymers and oligomers may be substituted at the 2- and 7'-positions. The monomer units of the fluorene oligomers and polymers are bound to one another at the 2- and 7'-positions.