PYRROLO PYRROLEDIONE-THENEQUINONE COMPOUND, AND PREPARATION PROCESS AND USE THEREOF
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United States of America Patent
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Issued Date -
Sep 11, 2014
app pub date -
Oct 10, 2012
filing date -
Oct 11, 2011
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Abandoned
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Abstract
Disclosed are a pyrrolo-pyrroledione-thiophenequinone compound as shown by formula I, a preparation process thereof and the use thereof as an organic semiconductor material. The preparation process for the compound of formula I comprises reacting NaH, an α-bromine substituted pyrrolo-pyrroledione-thiophene oligomer as shown by formula II and malononitrile sodium salt, in the presence of catalytic Pd(PPh3)4, and then adding to the reaction system saturated bromine water to carry out an oxidation reaction, so as to obtain the compound of formula I. The compound of formula I has a good field effect performance, an electron mobility of above 0.1 cm2V−1s−1, an on/off current ratio up to 105, and is stable in air.
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