Tricyclic compounds and their use as fragrant ingredients

摘要

The compounds have the general formula <IMAGE> in which the methyl group is connected to the carbon atom in position 3 or 4 and in which the symbol R represents a lower acyl radical when the symbol A represents a group of formula <IMAGE> or a hydrogen atom or a lower acyl radical when the symbol A represents a group of formula <IMAGE> They are useful as fragrant ingredients.