MERCAPTO-OR ALKYLTHIO-SUBSTITUTED TERPENOIDS,THEIR MANUFACTURE AND THEIR USE

摘要

Synthetic p-menthane-8-thiol-3-one. Title cpd. of formula: is prepd. by treating pulegone or isoopulegone with H2S in the presence of base and in anhydrous conditions. The product contains no components found in the essential oil of buccu leaf, although having the same characteristics, and is thus used as synthetic blackcurrant odour in foodstuffs.