Givaudan S.a.

Julie Charpentier

Chao Wang

Andreas Goeke

Fridtjof Schröder

Boris Schilling

Gerhard Brunner

Felix Flachsmann

Yue Zou

Feng Huang

Thierry Granier

Andreas Natsch

Veronika Zelenay

Lijun Zhou

Roger Emter

Heinz Koch

Sandro Dossenbach

Sébastien March

Nicolas Cocito Armanino

Chun Chen

A process for producing rotundone from α-guaiene, in particular by oxidation of the C(3) position, wherein the α-guaiene is produced from a precursor by a sesquiterpene synthase. The sesquiterpene synthase is produced in a microorganism.

Production of guaiene and rotundone

Compounds according to formula I in the form of any one of its stereoisomers or a mixture thereof

Organic compounds

The compound (3aS,4aR,5S,7aS,9R,9aR)-2,2,5,8,8,9a-hexamethyloctahydro-4H-4a,9-methanoazuleno[5,6-d][1,3]dioxole, compositions and consumer products comprising the compound, methods of making the compound, and the various uses of the compound.

(3aS,4aR,5S,7aS,9R,9aR)-2,2,5,8,8,9a-hexamethyloctahydro-4H-4a,9-methanoazuleno[5,6-d][1,3]dioxole

A process for producing rotundone from &#x3b1;-guaiene, in particular by oxidation of the C(3) position, wherein the &#x3b1;-guaiene is produced from a precursor by a sesquiterpene synthase. The sesquiterpene synthase is produced in a microorganism.

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Zurich, Switzerland

Julie Charpentier