An efficient preparation of peri-hydroxy dihydroquinone derivatives through a Pummerer-type rearrangement of silylene-protected peri-hydroxy aromatic sulfoxides

Article abstract of DOI:10.1016/0040-4039(96)01713-3

Silylene protection of two dihydroxy groups of the peri-hydroxy aromatic sulfides 6a-f was essential for the subsequent Pummerer-type reaction. The overall process provided a novel and efficient approach to the peri-hydroxy dihydroquinone derivatives 9a-f.