Processes for preparing triphenylene
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United States of America Patent
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Nov 5, 2013
Grant Date -
Dec 8, 2011
app pub date -
Oct 28, 2009
filing date -
Nov 25, 2008
priority date (Note) -
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Abstract
Processes are provided for producing triphenylene by combining at least dodecahydrotriphenylene, a dehydrogenation catalyst such as palladium on carbon, and an aliphatic solvent having a boiling point greater than 180° C. to form a reaction mixture, heating the reaction mixture to at least about 180° C. but lower than the boiling point of the aliphatic solvent, maintaining the temperature of the reaction mixture at 180° C. but lower than the boiling point of the aliphatic solvent, and passing a purge fluid comprising an inert fluid through the reaction mixture, for a period of time adequate for production of triphenylene.
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