C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 51/31 (2006.01) C07C 55/14 (2006.01) C07C 63/15 (2006.01)
Patent
CA 2361709
This invention relates to methods of oxidizing hydrocarbons, such as cyclohexane, o-xylene, m-xylene, and p-xylene, to form a respective acid, such as adipic acid, phthalic acid, isophthalic acid, and terephthalic acid, for example, by introducing into the reaction mixture small critical amounts of fluorocompounds. Preferable fluorocompounds are perfluoroacids, such as for example perfluoroacetic acid, perfluorobutyric acid, and perfluorooctanoic acid. By introducing the critical amounts of the fluorocompounds, the reactivity increases without sacrificing yield and/or selectivity.
L'invention concerne des procédés d'oxydation d'hydrocarbures tels que cyclohexane, o-xylène, m-xylène, et p-xylène, permettant de former un acide correspondant, par exemple l'acide adipique, l'acide phtalique, l'acide isophtalique, et l'acide téréphtalique. Dans ces procédés de faibles quantités critiques de composés fluorés sont introduites dans le mélange de réaction. Les composés fluorés préférés sont les perfluoracides, par exemple l'acide perfluoroacétique, l'acide perfluorobutyrique et l'acide perfluorooctanoïque. L'introduction des ces quantités critiques de composés fluorés entraîne une augmentation de la réactivité sans porter atteinte au rendement et/ou de la sélectivité.
Dassel Mark W.
Decoster David C.
Vassiliou Eustathios
Gowling Lafleur Henderson Llp
Rpc Inc.
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