Nakahata, T., Itagaki, N., Arai, T., Sugie, H., & Kuwahara, S. 2003 Synthesis of the sex pheromone of the citrus mealybug, Pseudococcus cryptus.. Bioscience, Biotechnology and Biochemistry 67(12): 2627-2631.
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Notes: The sex pheromone of the citrus mealybug (Pseudococcus cryptus), [(1R,3R)-3-isopropenyl-2,2-dimethylcyclobutyl] methyl 3-methyl-3-butenoate, was synthesized from (+)-alpha-pinene in five operational steps in a 43% overall yield. The synthetic pheromone was identical with the natural pheromone in H-1-NMR and mass spectroscopic properties, and showed almost the same pheromonal activity as the natural pheromone.
