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Free keywords:
One-pot synthesis
Bis-wittig reaction
Homoconjugated tetraenes
Deuterium labeled
Unsaturated fatty acids
Reductive olefination.
Polyunsaturated fatty-acids
Activated chemical defense
Thalassiosira-rotula
Copepod reproduction
Skeletonema-costatum
Wittig approach
Aldehydes
Algae.
Biochemistry & Biophysics in Current Contents(R)/Life
Sciences.
Abstract:
We describe a short synthesis of the unusual polyunsaturated 6Z,9Z, 12Z, 15-hexadecatetraenoic acid found in marine and fresh water diatoms. Using a one pot reductive bis-Wittig-olefination, the homoconjugated tetraene backbone of the fatty acid can be