Ring expansion reaction of α-sulfonyl cyclic ketones via insertion of arynes into C–C: a facile and mild access to medium- and large-sized benzannulated carbocycles
作者:Tiexin Zhang、Xian Huang、Jian Xue、Sha Sun
DOI:10.1016/j.tetlet.2009.01.001
日期:2009.3
Insertion of arynes into C–C of α-sulfonyl ketones was investigated, which lead to the ring expansion reactions when α-sulfonyl cyclic ketones were used. By ring expansions and desulfonylations, medium- and large-sized benzannulated cyclic ketones were obtained in moderate yields.