2008•Natural Product ResearchRequires access
A new rearranged dolabellane diterpene from the soft coralClavularia inflata
Glenn V. Alea, Bruce F. Bowden, Consolacion Y. Ragasa
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Abstract
A new dolabellane type diterpene 1 has been isolated through its acetate 1a. The structure of 1a was elucidated by extensive 1D and 2D NMR spectroscopy and confirmed by mass spectrometry. The structure of 1 was deduced by comparison of its NMR spectral data with those of 1a, while its relative stereochemistry was deduced by NOESY. The absolute stereochemistry of C-7 was determined by analyses of 1 separately esterified with R and S O-mandelic acids.