| abstract |
R 5 Wasserstoff, Alkyl oder Alkenyl, insbesondere C 1 -C 6 -Alkyl oder C 2 -C 6 -Alkenyl,nbedeutet, eignen sich besonders als Riech- und Aromastoffe. Compounds of the formula wherein one of the two radicals R 1 and R 2 is methyl and the other is vinyl and one of the two radicals R 3 and R 4 is methyl and the other is stands, where R 5 Hydrogen, alkyl or alkenyl, in particular C 1 -C 6 alkyl or C 2 -C 6 alkenyl, are particularly suitable as fragrance and flavoring substances. |