Perfume composition containing (4R)-cis-4-methyl-2-substituted- tetrahydro-2H-pyran derivative and method for improving fragrance by using (4R)-cis-4-methyl-2-substituted-tetrahydro-2H-pyran derivative

摘要

A perfume composition which contains a (4R)-cis-4-methyl-2- substituted-tetrahydro-2H-pyran derivative represented by formula (I): ##STR1## wherein ---- represents a single or double bond, and a method for improving fragrance by using this perfume composition.