Robert W. Baker, Song Liu, Melvyn V. Sargent, Brian W. Skelton and Allan H. White
Asymmetric syntheses of the enantiomers of the naturally occurring atropisomerically chiral 1,2′-linked bi(naphthoquinone)s 8′-hydroxyisodiospyrin and isodiospyrin have allowed their absolute configurations to be assigned by X-ray and circular dichroism spectral studies of synthetic intermediates.