Namakkal G. Ramesh, Kiyosei Iio, Akiko Okajima, Shuji Akai and Yasuyuki Kita
A direct and efficient synthesis of peri-hydroxy aromatic compounds via a strong-base induced [4+2] cycloaddition of homophthalic anhydrides with α-phenylsulfinyl enolizable enones has been accomplished.