Infoscience

Journal article

Enantioselective assembly of the benzo[d]xanthene tetracyclic core of anti-influenza active natural products

A combination of an enantioselective conjugate addn./trapping sequence and a ruthenium(III)-catalyzed domino cyclization provides a concise access to benzo[d]xanthenes , e.g., I, found in several anti-influenza active sesquiterpene natural products.

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