[5 + 1] annulation: a synthetic strategy for highly substituted phenols and cyclohexenones

J Am Chem Soc. 2005 Apr 6;127(13):4578-9. doi: 10.1021/ja043023c.

Abstract

A novel [5 + 1] annulation strategy is developed for the synthesis of highly substituted phenols and cyclohexenones from alpha-alkenoyl ketenedithioacetals and nitroalkanes.