A nine carbon homologating system for skip-conjugated polyenes

• Ozonolysis of Z,Z,Z-Cylonona-1,4,7-triene.
• Generation of a 1,9-difunctionalised Z,Z-3,6-nonadiene for application in synthesis.
• Synthesis of polyunsaturated pheromones.
• Synthesis of polyunsaturated fatty acids.

Ozonolysis of Z,Z,Z-cylonona-1,4,7-triene leads to a 1,9-difunctionalised Z,Z-3,6-nonadiene which is readily converted into a range of polyunsaturated pheromones and fatty acids.

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