1H NMR Study of the Stereochemistry of Lubimin and Related Vetispirane Sesquiterpenoids
The stereochemistry at C-2 and C-10 in lubimin, 15-dihydrolubimin and 3-hydroxylubimin derivatives has been investigated by 1H NMR spectroscopy.Using parent compounds and acetyl derivatives (24 compounds) definitive spectroscopic assignments have been made.Nine oxidised derivatives (2- and 3-keto functionalisation) have also been investigated.The usefulness of diagnostic features in the spectra are illustrated and the conformational homogeneity of the series verified.
Ewing, David F.,Whitehead, Ian M.,Atkinson, Anne,Threlfall, David R.
p. 343 - 348
(2007/10/02)
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