This report outlines a commercial synthetic process for (2, 2)-11, 13-hexadecadienal (navel orangeworm pheromone). The synthetic scheme which is employed introduces the stereochemically labile conjugated diene moiety at a late stage in the synthesis, thereby avoiding complications during the purification of intermediates. In addition, the aldehyde function is generated through a Grignard reaction sequence, obviating the generally ...