The photo-rearrangement of 7-cyano-2,3-benzobicyclo[4.2.0]octa-2,4-dien-6-yl hypoiodite to 7-cyano-2,3-benzobicyclo[5.1.0]octa-2,4-dien-6-one
Abstract
Irradiation of 7-cyano-2,3-benzobicyclo[4.2.0]octa-2,4-dien-6-ol (1) in the presence of HgO–I2 in the benzene gives 7-cyano-2,3-benzobicyclo[5.1.0]octa-2,4-dien-6-one (2).