Chemoselective synthesis of new dibenzo[d,f]-1,3-dioxepines and 12H-dibenzo[d,g]-1,3-dioxocines

TOCCO, GRAZIELLA;BEGALA, MICHELA;MELI G;PODDA G.

2007-01-01

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Abstract

A new series of dibenzodioxepine and dibenzodioxocine derivatives was prepared starting from aliphatic and aromatic aldehydes, underlining the chemoselectivity of both the catalyst and the biphenol, also confirming the importance of the hydrogen atom in αposition to the carbonyl group.