Compositions possessing pheromone-like activity

Details Compositions possessing pheromone-like activity Compositions possessing pheromone-like activity

C - Chemistry, Metallurgy

07

C

260/568.1, 167/2

C07C 47/21 (2006.01) A01N 35/02 (2006.01) C07C 6/06 (2006.01) C07C 33/025 (2006.01) C07C 45/29 (2006.01) C07C 45/30 (2006.01)

Patent

CA 1308121

Abstract of the Disclosure The present invention relates to a process for producing an E,Z-9-alkenyl-1-aldehyde component which comprises: a) disproportionating cyclooctene and an .alpha.-olefin in the presence of a suitable disproportionation catalyst under disproportionation conditions suitable to form a 1,9-alkadiene; b) reacting the 1,9-alkadiene obtained in step (a) with a suitable metallating agent under conditions suitable to form a 1-metallo-9-alkene; c) contacting the 1-metallo-9-alkene obtained in step (b) with oxygen under conditions suitable to form a 1-oxymetallo-9-alkene; d) hydrolysing the 1-oxymetallo-9-alkene suit a suitable hydrolysing agent, under suitable hydrolysing conditions to form E,Z-9-alkenyl-1-alcohol. e) oxidizing said E,Z-9-alkenyl-1-alcohol with a suitable oxidizing agent under oxidizing conditions suitable to form E,Z-9-alkenyl-1-aldehyde. Another aspect of the invention pertains to a composition comprising Z-11-hexadecen-1-al, Z-9-tetradecen-1-al and E-9-tetradecen-1-al admixed in sufficient quantities to possess pheromone-like activity for Heliothis zea and Heliothis virescens.

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