Teru Kawazoe

Isocoumarin Ring Rearrangement Approach to π-Extended Dibenzothiophenes

Sulfur-functionalized isocoumarins have been successfully converted into 1,2,3,4-tetrasubstituted naphthalenes through the addition of ketene silyl acetals and the subsequent skeletal rearrangement triggered by fluoride. The densely and consecutively substituted structures of the...