Benzyl- and methyl-protected 2,4-dihydroxyacetophenones are added under ruthenium catalysis to 4-methoxy- and 3,4-dimethoxystyrene in a completely regioselective manner. Thus, oxygenated dihydrostilbenes are obtained that feature the skeleton of scorzodihydrostilbenes - antioxidative agents that were recently isolated from . Selective deprotection liberates the corresponding phenols, among them the aglycon of scorzodihydrostilbenes B and D.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6423597 | PMC |
| http://dx.doi.org/10.3762/bjoc.15.56 | DOI Listing |
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