CAS: 1588-89-2; 2,3-Diphenylpyrazine

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41270-66-0 41270-66-0 18591-57-6

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CAS号1489-06-1 5,6-二苯基-2,3-二羟基吡嗪 | CAS号501-65-5 二苯乙炔 | CAS号41270-66-0 5-氯-2,3-二苯基吡嗪 | CAS号4858-85-9 2,3-二氯吡嗪 | CAS号98-80-6 苯硼酸 | CAS号119-53-9 2-羟基-2-苯基苯乙酮 | CAS号107-15-3 乙二胺 | CAS号134-81-6 联苯甲酰 | CAS号97-94-9 三乙基硼 | CAS号41270-66-0 5-氯-2,3-二苯基吡嗪 | CAS号36476-77-4 2,3,5-triphenyl... | CAS号76849-26-8 5-azido-2,3-dip... | CAS号57038-62-7 2,3-dichloro-5,... | CAS号61578-13-0 1-oxido-2,3-dip... | CAS号78754-78-6 2,3-diphenyl-py...

专利信息

专利号:US-3928347-A
优先权日:1968-11-08
标 题:Pyrazinylmalonic acid esters and salts and pyrazinylacetic acids, esters and salts
发明人：SCHWARTZ NORMAN; MOHRBACHER RICHARD J
权利人:MCNEILAB INC
摘要:The compound, 2,3-diphenyl-5-ethylpyrazine, useful as a precursor in the synthesis of those compounds of the class of pyrazine, arylpyrazine, diphenylpyrazine, and cycloalkylpyrazine malonates, acetates, acetamides, and acetic acids, useful for their ultraviolet light absorption properties.

专利号:US-4046763-A
优先权日:1968-11-08
标题:2,3-Diphenyl-5-ethylpyrazine
发明人：SCHWARTZ NORMAN; MOHRBACHER RICHARD J
权利人:MCNEILAB INC
摘要:The compound 2,3-diphenyl-5-ethyl-pyrazine, useful as a precursor in the synthesis of those compounds of the class of pyrazine, arylpyrazine, diphenylpyrazine, and cycloalkylpyrazine malonates, acetates, acetamides, and acetic acids, useful for their ultraviolet light absorption properties.

专利号:CN-103467316-B
优先权日:2013-09-30
标 题:Synthesis of a Triamine Containing Texylene Structure and Its Polyimide

专利号:CN-104672152-B
优先权日:2013-11-28
标 题:Organic compounds and their applications in the synthesis of organometallic complexes

专利号:US-7993494-B2
优先权日:2008-01-23
标题:Method for manufacturing triarylpyrazine derivative
发明人：INOUE HIDEKO; NOMURA HIROKO
权利人:SEMICONDUCTOR ENERGY LAB
摘要:A novel synthesis method of a triarylpyrazine derivative, in particular, a manufacturing method by which a triarylpyrazine derivative, in specific, a 2,3,5-triarylpyrazine derivative in which an aryl group at a 5-position includes a substituent having an electron-withdrawing property can be synthesized with high yield as compared to a conventional method is provided. By using a synthesis method in which a mixture including a 1-aryl-2-(methylsulfinyl)ethanone derivative, meso-1,2-diarylethylenediamine, and a dehydrogenation agent is irradiated with a microwave to be reacted, the above object is achieved.

专利号:CN-113956208-B
优先权日:2021-10-27
标 题:A kind of aryl heterocyclic derivative and its synthesis method