| 摘要 |
A compound of formula (I): wherein R is -CH<SUB>2</SUB>OH, -C(O)H, -C(OR<SUP>3</SUP>)<SUB>2</SUB>H, -C(OR<SUP>4</SUP>)(OH)H, -CH-NC<SUB>6</SUB>H<SUB>4</SUB>C(O)OR<SUP>5 </SUP>or -CH-NR<SUP>6</SUP>; R<SUP>1 </SUP>and R<SUP>2 </SUP>are each independently H or CH<SUB>3</SUB>; R<SUP>3 </SUP>and R<SUP>4 </SUP>are each independently H or a straight or branched aliphatic group having from 1 to 12 carbon atoms, or each R<SUP>3 </SUP>is covalently linked to the other R<SUP>3 </SUP>to form a cyclic acetal having from 1 to 4 carbon atoms; R<SUP>5 </SUP>is H or a straight or branched aliphatic group, or a cyclic, heterocyclic or aromatic group having from 1 to 12 carbon atoms; and R<SUP>6 </SUP>has at least 10 carbon atoms and is an aliphatic group or an aromatic group. Mixtures of these compounds, methods for their preparation, their use as perfume materials for application to a variety of substrates and their use in flavouring and in articles of manufacture is also provided.
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