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US 2013/0338402 A1Published application
Process for preparing macrocyclic ketones
AssigneeBASF SE
InventorsRichard Dehn, Joaquim Henrique Teles, Michael Limbach, Stephan Deuerlein, Manuel Danz, Ralf Pelzer, Daniel Schneider
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Abstract
The present invention relates to a process for preparing cyclic compounds having at least eight carbon atoms and at least one keto group, to the cyclic compounds obtained by this process and to the use thereof, in particular as fragrance or for providing a fragrance.
Claims22
1-21. (canceled)
A process for preparing at least one cyclic compound having at least eight carbon atoms and at least one keto group, wherein
- a) a cyclododeca-4,8-dienone-comprising starting material is provided, and
- b) the starting material is subjected to an olefin metathesis reaction in the presence of a transition metal catalyst.
Dependencies are inferred from the claim text.