Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1992-02-25
1993-10-19
Lone, Werren B.
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
568715, C07C 29141
Patent
active
052547531
ABSTRACT:
The invention provides a process for preparing aryl ethanols from aryl methyl ketones. The process involves a novel oxidation of the ketone to a dialkylacetal derivative of an aryl glyoxal, which is then hydrolyzed to an aryl glyoxal. The aryl glyoxal is then catalytically hydrogenated to reduce both carbonyl groups simultaneously to yield the aryl ethanol. The process is illustrated by conversion of 4-hydroxyacetophenone to 4-hydroxyphenyl alcohol: ##STR1##
REFERENCES:
patent: 4877909 (1989-10-01), Mizusaki et al.
patent: 5003115 (1991-03-01), Strutz
Durrwachter J. R.
Mott G. N.
Ramos, Jr. H.
Tafesh Ahmed
Cassady Donald R.
Ferrell Michael W.
Hoechst Celanese Corporation
Lone Werren B.
Mullen James J.
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