Givaudan S.a.

Givandan S.a.

Beiersdorf Ag

Samuel Derrer

Markus Gautschi

Urs Mueller

Caroline Plessis

Philip Kraft

Jerzy A Bajgrowicz

Andreas Natsch

Bernd Traupe

Sébastien March

Melanie Stang

The present invention refers to the use as flavor or fragrance of a compound of formula (I) 

Organic compounds

A method for the production of campholytic aldehyde starting from campholenic aldehyde in the presence of a copper catalyst and a solvent.

Process for producing 2,2,3-trimethylcyclopent-3-enecarbaldehyde (campholytic aldehyde)

The present invention refers to compounds of formula I as precursors for a ketone of formula II, an aldehyde or ketone of formula III, and an aldehyde or ketone of formula IV,  These compounds are useful in perfumery, especially in the fine and functional perfumery.

Precursors for ketones and aldehydes

Ester compounds of the formula I-a wherein Ris selected from OH, NHand NHX, wherein X is an inorganic anion, wherein Ris a singly-branched saturated or unsaturated aliphatic hydrocarbon moiety selected from C-C, wherein Ris selected from H, and a linear saturated or unsaturated aliphatic hydrocarbon moiety selected from C-C, and wherein Rand Rtogether have a total of 7 to 15 carbon atoms; that are useful as antibacterial or antifungal compounds in consumer products.

Anti-bacterial compounds

The present invention provides a fragrance precursor of formula I:that is capable of forming a fragrant ketone of formula II:and a fragrant lactone of formula III:

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Fällanden, Switzerland

Samuel Derrer