Abstract

(3S)-3,7-Dimethyl-7-hydroxyoct-5-enyl-O-β-D-glucopyranoside (1) was isolated as aroma precursor of isomeric rose oxides (2a/b) from flowers of Rosa damascena Mill. the isolation was guided by the detection of rose oxide formation by GC and GC-MS analyses after acid-catalyzed hydrolyses of precursor fractions. the structure of 1 was confirmed by spectroscopic analysis and synthesis starting from (35)-citronellol (4).

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