Terphenylene derivative, tetrahaloterphenyl derivative, and processes for producing both
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United States of America Patent
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Jul 26, 2011
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app pub date -
Mar 28, 2006
filing date -
Apr 8, 2005
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Abstract
An object of the present invention relates to provision of a terphenylene derivative having excellent oxidation resistance and capable of forming a semiconductor active phase by a coating process and an oxidation-resistant organic semiconductor material using the same, as well as an organic thin film.The invention relates to production of a terphenylene derivative represented by the formula (1) by tetralithiating a tetrahaloterphenyl derivative with a lithiating agent and subsequently treating the resulting compound with a copper compound:[ka 1]
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