Unusual annulation reaction of an α,β-unsaturated ketone
作者:Gouvan C. de Magalhaes、José A.S. Cabral、Thierry Prangé
DOI:10.1016/0040-4039(80)80099-2
日期:1980.1
An unsusual 2,3 cyclopentaindanone (III) was obtained, presumably as a result of a mixed Michael and Stobbe condensation, in the course of an attempted Robinson annulation.
A Vinylogous Wagner Rearrangement in the Benzonorbornene Series
作者:Karel Wiesner、Pak-Tsun Ho、Hiroyuki Ohtani
DOI:10.1139/v74-098
日期:1974.2.15
A simple synthesis of compound 11 by a generally applicable novel method is described. This compound undergoes an acid-catalyzed rearrangement to the ketone 12 in high yield at room temperature.