Female Sex Pheromone of Cameraria ohridella Desch. and Dim..pdfVIP

Female Sex Pheromone of Cameraria ohridella Desch. and Dim. (Lepidoptera: Gracillariidae): Structure Confirmation, Synthesis and Biological Activity of (8E,10Z)-8,10-tetradecadienal and Some Analogues a, a a a Wittko Francke *, Stephan Franke , Jan Bergmann , Till Tolasch , Mitko Subchevb b b ˇ ˇ b , Albena Mircheva , Teodora Toshova , Ales Svatos , ´c ´ ´ d ´ d ´ d Blanka Kalinova , Zsoltan Karpati , Gabor Szöcs and Miklos Toth a Institute of Organic Chemistry, Hamburg University, Martin-Luther-King-Platz 6, D-20146 Hamburg, Germany. Fax: +49 (0)40 428383834. E-mail: francke@chemie.uni-hamburg.de b Institute of Zoology, Bulgarian Academy of Sciences, Blvd. Tzar Osvoboditel 1l, Sofia 1000, Bulgaria c Institute of Organic Chemistry and Biochemistry, Academy of Science of the ´ ˇ ´ Czech Republic, Flemingovo namestı 2, 166 10 Prague 6, Czech Republic d Plant Protection Institute, Hungarian Academy of Sciences, Budapest, Pf 102, H-1525, Hungary * Author for correspondance and reprint requests Z. Naturforsch. 57c, 739 Ð752 (2002); received February 19/March 19, 2002 Cameraria ohridella, Sex Pheromone, Tetradecadienal Mass spectrometric investigations confirmed the structure of the female produced sex pheromone of the horse-chestnut leafminer Cameraria ohridella Desch. and Dim. to be (8E,10Z)-8,10-tetradecadienal. Pure samples, prepared in a straightforward synthesis, were highly attracti