Dragoco Gerberding & Co. Gmbh

Dragoco Geberding & Co. Gmbh

Hartmut Struwe

Ernst-Joachim Brunke

Erich Klein

Claus-Hermann Kappey

Frank Thomel

8-exo-formyl-2,6-exo-tricyclo(5.2.1.02,6)decane, method of preparing it

Mixtures of new dimethyl-tricyclo[5.2.1.0.sup.2,6 ]decane derivatives, notably the primary isomers of the common formula A, wherein

Mixtures of dimethyl-tricyclo (5.2.1.02,6) decane derivatives together

Mixtures of tricyclo-decane-derivatives together with their preparation

C-8-substituted 1,5-dimethyl-bicyclo[3.2.1]octane-8-ols having the general formula I ##STR1## wherein R is a lower open chained or cyclic alkyl- alkenyl- or alkinyl group having up to 6 carbon atoms and the wavy line at the C-8 atom means epimeric forms, the process for producing these compounds and their use as odorants and constituents of parfume composition for cosmetic and industrial parfuming or essential oils and flavoring agents.

C-8-substituted 1,5-dimethyl-bicyclo[3.2.1]octane-8-ols

Synthetic oakmoss extracts of alkyl-substituted .beta.-resorcylic acid esters useful as perfume ingredients, are prepared by refluxing alkyl-substituted dihydro-.beta.-resorcylic acid esters with sulphuric acid and acetic anhydride, followed by saponifying the resultant diacetate.

Process for manufacturing alkyl-substituted .beta.-resorcyclic acid

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Holzminden, Germany

Hartmut Struwe