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Lyngbya majuscula, Malyngamide, Vinyl-chloride, NMR, DFT
Abstract:
The 2Z-isomer of malyngamide K has been isolated along with the known compounds malyngamide C,
deoxy-C and K, and characterized from a Papua New Guinea field collection of the cyanobacterium Lyngbya
majuscula. The planar structure was deduced by 1D and 2D NMR spectroscopic and mass spectral
data interpretation. The absolute configurations were determined on the basis of spectroscopic techniques,
chemical degradation and DFT theoretical calculations.