Gaoni, Y. 1982 Conjugate addition of organocopper reagents to 1-arylsulfonylbicyclobutanes, synthesis of the racemic form of the sex pheromone of the citrus mealybug, Planococcus citri (Risso).. Tetrahedron Letters 23(49): 5215-5218.

Notes: Methods of synthesis described. The biological activity of the racemic pheromone is subsequently tested in the field.