Feldman Ken S, Iyer Malliga R, Liu Yanze
Department of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802, USA.
J Org Chem. 2003 Sep 19;68(19):7433-8. doi: 10.1021/jo034495x.
The synthesis of a 2,4-HHDP containing glucopyranose ellagitannin model system has been achieved. Attempts to prepare a related target bearing a 1,6 bridge led instead to the discovery of a likely strain-driven tautomerization to cyclohexadienone intermediates.