Formal Total Synthesis of Hybocarpone Enabled by Visible-Light-Promoted Benzannulation

J Org Chem. 2018 Dec 21;83(24):15524-15532. doi: 10.1021/acs.joc.8b02595. Epub 2018 Dec 12.

Abstract

The formal total synthesis of hybocarpone was achieved in eight steps from commercially available 1,2,4-trimethoxybenzene. Key transformations include a visible-light-promoted benzannulation to construct the key α-naphthol intermediate and a modified CAN-mediated dimerization/hydration cascade sequence to generate the vicinal all-carbon quaternary centers in a stereocontrolled manner. The total synthesis of boryquinone was also achieved in seven steps.

Publication types

  • Research Support, Non-U.S. Gov't