Unprecedented double benzylic rearrangement: regio- and stereospecific tandem 1,4-shift and Curtin rearrangement
作者:Ángel M. Montaña、Stefano Ponzano、Consuelo Batalla、Mercè Font-Bardia
DOI:10.1016/j.tet.2012.07.053
日期:2012.9
An α-benzyloxyketone forming part of a strained cyclopentane carbonframework when treated with 10 equiv of anhydrous NaOH in absolute ethanol, for 2 h, affords in a 65% yield a new 2-benzyl-2-hydroxyketone, resulting from an unprecedented double benzylicrearrangement. This new rearrangement could be interpreted as an initial benzylic 1,4-shift between the O-enolate alkoxide of the ketone group and