Extraction of the roots and stems of Spathelia sorbifolia L. has given a new chromone, sorbifolin. The constitution was elucidated by spectroscopic means and simple chemical transformations and confirmed by an unequivocal synthesis of the tetrahydroanhydro-derivative.
W. R. Chan, D. R. Taylor and C. R. Willis, J. Chem. Soc. C, 1967, 2540 DOI: 10.1039/J39670002540
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