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US 6,958,421 B2Granted
Salt-free preparation of cyclobutanone
AssigneeDegussa AG
InventorsKerstin Bodmann, Manuela Imig, Günther Köhler, Karl-Heinz Brühl
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Abstract
A salt-free process for preparing cyclobutanone, including isomerizing cyclopropylmethanol, preferably in aqueous solution, in the presence of an acidic heterogeneous catalyst to form cyclobutanol and, preferably after extraction and removal of the extractant, dehydrogenating the cyclobutanol over a heterogeneous catalyst.
Claims20
A process which comprises
- isomerizing cyclopropylmethanol to cyclobutanol in the presence of an acidic heterogeneous catalyst and subsequently
- dehydrogenating the cyclobutanol over a heterogeneous dehydrogenation catalyst to form cyclobutanone.
Dependencies are inferred from the claim text.