Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1991-09-25
1992-09-29
Lone, Werren B.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
549523, 549541, 568571, 5689098, 568910, C07D30132, C07C 2710
Patent
active
051515300
ABSTRACT:
The distillation product fraction obtained from an isobutane oxidation reaction product after the removal of unreacted isobutane will contain tertiary butyl hydroperoxide, tertiary butyl alcohol and carboxylic acid contaminants such as formic acid, acetic acid and isobutyric acid. It has been discovered that when the distillation product fraction is treated with about 1/2 to 1 equivalents of calcium oxide and/or calcium hydroxide based on the carboxylic acid content of the distillate product fraction, a portion of the carboxylic acid contaminants will precipitate thus partially purifying the distillation product fraction so that, thereafter, molybdenum precipitation will be substantially inhibited when the thus-treated distillation product fraction is used as a feedstock for an epoxidation reaction wherein tertiary butyl hydroperoxide is reacted with an olefin in the presence of a soluble molybdenum catalyst to provide an olefin epoxide and additional tertiary butyl hydroperoxide.
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Marquis Edward T.
Meyer Robert A.
Sanderson John R.
Lone Werren B.
Park Jack H.
Priem Kenneth R.
Ries Carl G.
Texaco Chemical Company
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