The present application relates to technical field of organic semiconductors and provides an arylamine compound and use thereof in photoelectric devices. The compound is composed of a N,N-dialkyl-dicarbazole amine functional group modified unit with larger conjugated system. The semiconductor material provided by the present application has high glass transition temperature, high solubility, good film forming property and high thermal stability of film morphology, and can be used as a hole transport material in photoelectric devices to realize excellent thermal stability. The compound has simple preparation process, easily available raw materials and low price, and is suitable for industrial production. High glass transition temperature and good thermal stability are beneficial to prolong the working life of optoelectronic devices. High solubility, can form amorphous film with excellent quality, and is beneficial to application in photoelectric devices; The device has high photoelectric conversion efficiency and is a hole transport material with excellent performance.

The present application relates to technical field of organic semiconductors and provides an arylamine compound and use thereof in photoelectric devices. The compound is composed of a N,N-dialkyl-dicarbazole amine functional group modified unit with larger conjugated system. The semiconductor material provided by the present application has high glass transition temperature, high solubility, good film forming property and high thermal stability of film morphology, and can be used as a hole transport material in photoelectric devices to realize excellent thermal stability. The compound has simple preparation process, easily available raw materials and low price, and is suitable for industrial production. High glass transition temperature and good thermal stability are beneficial to prolong the working life of optoelectronic devices. High solubility, can form amorphous film with excellent quality, and is beneficial to application in photoelectric devices; The device has high photoelectric conversion efficiency and is a hole transport material with excellent performance.

Disclosed herein are compound capable of exploiting non-bonding electron densities, for example, cationic open-shell, pi-conjugated bisphenalenyls wherein intermolecular covalent bonding interactions can occur in multiple dimensions. Further disclosed are compositions comprising the disclosed compounds and process for the preparation thereof.

Disclosed herein are compound capable of exploiting non-bonding electron densities, for example, cationic open-shell, pi-conjugated bisphenalenyls wherein intermolecular covalent bonding interactions can occur in multiple dimensions. Further disclosed are compositions comprising the disclosed compounds and process for the preparation thereof.

An object of the present invention is to provide a method for producing 1,2,4,5-cyclohexanetetracarboxylic dianhydride, which is capable of stably achieving a high dehydration rate. The method for producing 1,2,4,5-cyclohexanetetracarboxylic dianhydride of the present invention is a method for producing 1,2,4,5-cyclohexanetetracarboxylic dianhydride by subjecting 1,2,4,5-cyclohexanetetracarboxylic acid to a dehydration reaction in a slurry state in the presence of a dehydrating agent, wherein an average particle size of the 1,2,4,5-cyclohexanetetracarboxylic acid is 20 μm or more.

The present invention relates to a novel chemical compound for use in the treatment of cancer, to compositions containing said compound, methods of manufacture and combinations with other therapeutic agents. ##STR00001##

The present invention relates to a novel chemical compound for use in the treatment of cancer, to compositions containing said compound, methods of manufacture and combinations with other therapeutic agents. ##STR00001##

The present invention is related to an active substance of Hericium erinaceus having a pain-relieving effect, and a pharmaceutical composition including the active substance. The active substance is prepared using the following steps: (a) inoculating a mycelium of H. erinaceus on an agar plate and incubating at 15-32° C. for 8-16 days; (b) inoculating the incubated H. erinaceus mycelia from step (a) into a medium in a flask and incubating at 20-30° C. and pH 4.5-6.5 for 3-5 days; (c) inoculating the incubated H. erinaceus mycelia from step (b) into a medium in a fermentation tank and incubating at 24-32° C. and pH 4.5-5.5 for 8-16 days to obtain a fermented medium of the H. erinaceus mycelia; and (d) desiccating the fermented medium of the H. erinaceus mycelia from step (c) to obtain the powder of the H. erinaceus mycelia, which is further purified and isolated to obtain a novel compound of H. erinaceus.

The present invention is related to an active substance of Hericium erinaceus having a pain-relieving effect, and a pharmaceutical composition including the active substance. The active substance is prepared using the following steps: (a) inoculating a mycelium of H. erinaceus on an agar plate and incubating at 15-32° C. for 8-16 days; (b) inoculating the incubated H. erinaceus mycelia from step (a) into a medium in a flask and incubating at 20-30° C. and pH 4.5-6.5 for 3-5 days; (c) inoculating the incubated H. erinaceus mycelia from step (b) into a medium in a fermentation tank and incubating at 24-32° C. and pH 4.5-5.5 for 8-16 days to obtain a fermented medium of the H. erinaceus mycelia; and (d) desiccating the fermented medium of the H. erinaceus mycelia from step (c) to obtain the powder of the H. erinaceus mycelia, which is further purified and isolated to obtain a novel compound of H. erinaceus.

The invention relates to cyclic compounds which are suitable for use in electronic devices, and to electronic devices, in particular organic electroluminescent devices containing said compounds.