METHOD FOR IMPARTING, IMPROVING, INTENSIFYING OR MODIFYING PERFUME PROPERTY, PERFUME COMPOSITION, PERFUMED PRODUCT AND UNSATURATED ESTER COMPOUND

摘要

PROBLEM TO BE SOLVED: To provide a very ingenious undernote completely different from a conventional ester having an analogous structure besides greenish and fruity perfume properties of the base. SOLUTION: A compound of the formula (1) [wherein, the wave line is a bond having a configuration of (Z)-type or (E)-type, or a mixture of the configurations; R1 is H, a linear or branched 1-4C alkyl, methoxycarbonyl, ethoxycarbonyl or an aryl; and R2 is methyl or ethyl].