An organic compound is represented by formula (1). In the formula (1), R.sub.1 to R.sub.24 are each independently selected from the group consisting of a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted amino group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted aryloxy group, a silyl group, and a cyano group. ##STR00001##

An organic compound is represented by formula (1). In the formula (1), R.sub.1 to R.sub.24 are each independently selected from the group consisting of a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted amino group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted aryloxy group, a silyl group, and a cyano group. ##STR00001##

The present disclosure provides an organic compound, an organic electroluminescence device and an electronic apparatus. A chemical structure of the organic compound in the present disclosure contains an adamantane spirofluorene ring and a dibenzo five-membered ring. The organic compound has an excellent energy transfer function and can be used as a luminescent layer material in an electroluminescent device, thus improving an efficiency of the organic electroluminescence device and increasing a service life of the organic electroluminescence device.

The present disclosure provides an organic compound, an organic electroluminescence device and an electronic apparatus. A chemical structure of the organic compound in the present disclosure contains an adamantane spirofluorene ring and a dibenzo five-membered ring. The organic compound has an excellent energy transfer function and can be used as a luminescent layer material in an electroluminescent device, thus improving an efficiency of the organic electroluminescence device and increasing a service life of the organic electroluminescence device.

A method for making hydrogenated cyclooctatetraene dimers including cyclo-dimerizing butadiene to form 1,5-cyclooctadiene in the presence of at least one first catalyst, dehydrogenating 1,5-cyclooctadiene to 1,3,5,7-cyclooctatetraene, dimerizing 1,3,5,7-cyclooctatetraene to a C.sub.16 multicyclic hydrocarbon cyclooctatetraene dimer, and hydrogenating multicyclic hydrocarbon cyclooctatetraene dimer to form hydrogenated cyclooctatetraene dimers.

A method for making hydrogenated cyclooctatetraene dimers including cyclo-dimerizing butadiene to form 1,5-cyclooctadiene in the presence of at least one first catalyst, dehydrogenating 1,5-cyclooctadiene to 1,3,5,7-cyclooctatetraene, dimerizing 1,3,5,7-cyclooctatetraene to a C.sub.16 multicyclic hydrocarbon cyclooctatetraene dimer, and hydrogenating multicyclic hydrocarbon cyclooctatetraene dimer to form hydrogenated cyclooctatetraene dimers.

This method for producing a fullerene derivative is a method for producing a fullerene derivative having a partial structure shown by formula (1) by reacting a predetermined halogenated compound and two carbon atoms adjacent to each other for forming a fullerene skeleton in a mixed solvent of an aromatic solvent and an aprotic polar solvent having a C═O or S═O bond in the presence of at least one metal selected from the group comprising manganese, iron, and zinc;

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(in formula (1), C* are each carbon atoms adjacent to each other for forming a fullerene skeleton, A is a linking group having 1-4 carbon atoms for forming a ring structure with two C*, in which a portion thereof may be a substituted or condensed group).

The present invention provides: a copolymer (A) which is a copolymer obtained by copolymerizing one or plural cycloolefin monomers and one or plural acyclic olefin monomers, or a copolymer obtained by copolymerizing two or more cycloolefin monomers, wherein the glass transition temperature (Tg) of the copolymer is 100° C. or higher, the refractive index of the copolymer is 1.545 or higher, and the Abbe's number of the copolymer is 50 or larger, and at least one of the cycloolefin monomers is a deltacyclene.

The invention relates to compounds that can be used for producing functional layers of electronic devices, in particular for use in electronic devices. The invention further relates to a process for preparing the compounds according to the invention, and to electronic devices comprising same.

This method for producing a fullerene derivative is a method for producing a fullerene derivative having a partial structure shown by formula (1) by reacting a predetermined halogenated compound and two carbon atoms adjacent to each other for forming a fullerene skeleton in a mixed solvent of an aromatic solvent and an aprotic polar solvent having a C═O or S═O bond in the presence of at least one metal selected from the group comprising manganese, iron, and zinc; ##STR00001##
(in formula (1), C* are each carbon atoms adjacent to each other for forming a fullerene skeleton, A is a linking group having 1-4 carbon atoms for forming a ring structure with two C*, in which a portion thereof may be a substituted or condensed group).