| abstract |
(57) [Summary] [Objective] To provide an odorant and / or a flavor composition. [Structure] Formula: [Wherein R 1 and R 2 are H, alkyl, alkenyl, optionally substituted cycloalkyl, optionally substituted cycloalkyl-alkyl, optionally substituted cycloalkyl- Alkenyl, optionally substituted cycloalkenyl, optionally substituted cycloalkenyl-alkyl, optionally substituted phenyl, substituted benzyl, substituted phenethyl, phenylalkenyl, means bicyclic residue, or R 1 + R 2 + carbon atom C 1 means both optionally substituted cycloalkyl or bicyclic residue, R 3 is lower alkyl, Means lower alkenyl or benzyl], and an odorant and / or a flavor composition containing the compound. |