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Pure Appl. Chem. Vol. 73, No. 7, pp. 1157-1162 (2001)

Pure and Applied Chemistry

Vol. 73, Issue 7


Isolation, identification, synthesis, and bioefficacy of female Diacrisia obliqua (Arctiidae) sex pheromone blend. An Indian agricultural pest*

J. S. Yadav, M. Y. Valli, and A. R. Prasad

Organic Division I, Indian Institute of Chemical Technology, Hyderabad, 500007, India

Abstract: Diacrisia obliqua is a polyphagous pest especially on oil seed crops. Adult female sex pheromone blend consists of five pheromone components, which include (3Z,6Z)-cis-9,10-epoxyl,3,6-henicosatriene and (3Z,6Z)-cis-9,10-epoxy3,6-henicosadiene. Synthesis of these enantiomers was achieved through alkylative epoxide rearrangement and stereoselective Wittig olefination reactions as key steps. Bioefficacy experiments both at laboratory and minifield were very positive.

*Lecture presented at the 8th International Chemistry Conference in Africa (8th ICCA), 30 July-4 August 2001, Dakar, Sénégal. Other presentations are published in this issue, pp. 1147-1223.

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