CATALYST FOR OXIDATIVE COUPLING REACTION OF PHTHALATE DIESTER, AND METHOD FOR PRODUCING BIPHENYLTETRACARBOXYLIC ACID TETRAESTER

To provide a catalyst for oxidative coupling reaction of phthalate diester that can catalyze the oxidative coupling reaction for producing 2,3,3',4'-biphenyltetracarboxylic acid tetraester selectively from phthalate diester.SOLUTION: A catalyst for oxidative coupling reaction of phthalate...

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Main Authors SHIGEKANE MASAYUKI, SANO KOSUKE
Format Patent
LanguageEnglish
Japanese
Published 07.03.2024
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Abstract To provide a catalyst for oxidative coupling reaction of phthalate diester that can catalyze the oxidative coupling reaction for producing 2,3,3',4'-biphenyltetracarboxylic acid tetraester selectively from phthalate diester.SOLUTION: A catalyst for oxidative coupling reaction of phthalate diester comprises a palladium salt, a copper salt, and a 2-hydroxy pyridine represented by the formula (1). In the formula (1), two of R1-R4 may combine to form a ring structure, and the remaining R1-R4, which do not participate in ring formation, independently represent a hydrogen atom, a halogen atom, a hydroxy group, a nitro group, an alkyl group, or an aryl group; and any hydrogen atom on the ring structure as well as the alkyl and aryl groups may be substituted with a halogen atom, a hydroxyl group, or a nitro group.SELECTED DRAWING: None 【課題】フタル酸ジエステルから選択的に2,3,3',4'-ビフェニルテトラカルボン酸テトラエステルを生成する酸化カップリング反応を触媒し得るフタル酸ジエステルの酸化カップリング反応用触媒を提供する。【解決手段】パラジウム塩と、銅塩と、下記式(1)で表される2-ヒドロキシピリジン類と、を含む、フタル酸ジエステルの酸化カップリング反応用触媒。式(1)中、R1~R4のうち、2つが一緒になって、環構造を形成していてもよく、環構造を形成しないR1~R4は、それぞれ独立して、水素原子、ハロゲン原子、水酸基、ニトロ基、アルキル基、又はアリール基であり、環構造、並びにアルキル基及びアリール基上の任意の水素原子は、ハロゲン原子、水酸基、又はニトロ基に置換されていてもよい。JPEG2024031782000006.jpg46168【選択図】なし
AbstractList To provide a catalyst for oxidative coupling reaction of phthalate diester that can catalyze the oxidative coupling reaction for producing 2,3,3',4'-biphenyltetracarboxylic acid tetraester selectively from phthalate diester.SOLUTION: A catalyst for oxidative coupling reaction of phthalate diester comprises a palladium salt, a copper salt, and a 2-hydroxy pyridine represented by the formula (1). In the formula (1), two of R1-R4 may combine to form a ring structure, and the remaining R1-R4, which do not participate in ring formation, independently represent a hydrogen atom, a halogen atom, a hydroxy group, a nitro group, an alkyl group, or an aryl group; and any hydrogen atom on the ring structure as well as the alkyl and aryl groups may be substituted with a halogen atom, a hydroxyl group, or a nitro group.SELECTED DRAWING: None 【課題】フタル酸ジエステルから選択的に2,3,3',4'-ビフェニルテトラカルボン酸テトラエステルを生成する酸化カップリング反応を触媒し得るフタル酸ジエステルの酸化カップリング反応用触媒を提供する。【解決手段】パラジウム塩と、銅塩と、下記式(1)で表される2-ヒドロキシピリジン類と、を含む、フタル酸ジエステルの酸化カップリング反応用触媒。式(1)中、R1~R4のうち、2つが一緒になって、環構造を形成していてもよく、環構造を形成しないR1~R4は、それぞれ独立して、水素原子、ハロゲン原子、水酸基、ニトロ基、アルキル基、又はアリール基であり、環構造、並びにアルキル基及びアリール基上の任意の水素原子は、ハロゲン原子、水酸基、又はニトロ基に置換されていてもよい。JPEG2024031782000006.jpg46168【選択図】なし
Author SANO KOSUKE
SHIGEKANE MASAYUKI
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Snippet To provide a catalyst for oxidative coupling reaction of phthalate diester that can catalyze the oxidative coupling reaction for producing...
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SubjectTerms ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
Title CATALYST FOR OXIDATIVE COUPLING REACTION OF PHTHALATE DIESTER, AND METHOD FOR PRODUCING BIPHENYLTETRACARBOXYLIC ACID TETRAESTER
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