BADISCHE ANILIN SODAFABRIK AG MANUFACTURE OF UNSATURATED ALDEHYDES AND KETONES

摘要

1338698 Unsaturated aldehydes and ketones BADISCHE ANILIN- & SODA-FABRIK AG 28 April 1971 [29 April 1970] 11819/71 Heading C2C Unsaturated aldehydes or ketones having the partial formula are prepared by contacting unsaturated alcohols of partial formula with a dehydrogenation catalyst at 150-600‹ C. An aliphatic or aromatic nucleophilic compound containing N, P or S or NH 3 may be present, and a basic metal oxide may be added to the catalyst proper. Examples prepare crotonaldehyde, 2-penten-1-al, 3-methyl-2-buten-1-al, 2-penten-4-one, 2-methyl-2-buten-1-al, 2-hexen- 4-one, 2-hexen-1-al, 2-hepten-4-one, 2-octen-4- one, 2 hexylcroton aldehyde, #-methylcinnamaldehyde and 2-methyl-3-hexen-5-one.