Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1988-07-13
1989-12-05
Reamer, James H.
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
568411, 568400, 568401, C07C 4585
Patent
active
048853992
ABSTRACT:
Tischtschenko condensation of aldehydes is used to remove aldehydes from dry ketone-containing streams. The tischtschenko condensation is used to condense the aldehydes into esters whose boiling points are significantly different than the ketones, greatly simplifying the separation of the esters from the ketones. An organic extraction step is used to obtain a substantially dry ketone containing stream. One particularly preferred class of extraction solvents is selected from the group consisting of butane, pentane, hexane, heptane, octane, nonane, decane and mixtures thereof. In particularly preferred embodiments, the Tischtschenko reaction is used in the context of aqueous-phase catalyzed olefin oxidation to ketones. The aldehyde to ester condensation permits easy and efficient removal of the aldehyde analogs of the desired ketones.
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Cook Michael L.
De Deken Jacques C.
Newman Stanley F.
Catalytica Inc.
Reamer James H.
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