HELVETICA CHIMICA ACTA, vol.90, no.11, pp.2227-2235, 2007 (SCI-Expanded)
The phenyl-substituted conduritol B 8 was prepared in racemic form in a five-step sequence starting from 2-phenyl-1,4-benzoquinone(10) (Scheme 1). The reaction mechanism of the key step 12b -> 13 is discussed (Scheme 2).