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US 2020/0002255 A1Published application
Process for preparing an unsaturated alcohol
AssigneeBASF SE
InventorsAndrei-Nicolae PARVULESCU, Miriam BRU ROIG, Albert WERNER, Bernhard BRUNNER, Wolfgang SIEGEL, Stephan MAURER, Ulrich MUELLER, Michael Ludwig LEJKOWSKI
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Abstract
The present invention relates to a process for preparing an unsaturated alcohol, preferably 3,7-dimethyl-2,6-octadienal, by contacting an alkene, preferably isobutene, with formaldehyde in the presence a condensation catalyst comprising a zeolitic material comprising the framework structure of which comprises a tetravalent element Y other than Si.
Claims20
-15. (canceled)
A process for preparing a compound of formula (II)
- comprising
- (i) providing a mixture comprising formaldehyde and a compound of formula (I)
- (ii) contacting the mixture provided in (i) with a condensation catalyst comprising a zeolitic material, obtaining a mixture (ii) comprising the compound of formula (II);
- wherein R1, R2 and R3 are independently of each other selected from the group consisting of H, optionally substituted C1-C10 alkyl, optionally substituted C2-C10 alkenyl and optionally substituted aryl having from 6 to 12 carbon atoms;
- wherein the framework structure of the zeolitic material in (ii) comprises Si, O, optionally Al, and a tetravalent element Y other than Si, wherein in the framework structure of the zeolitic material in (ii), the molar ratio Al:Si is in the range of from 0:1 to 0.001:1.
2 more elements
Dependencies are inferred from the claim text.