Abstract
AbstractA tandem intermolecular–intramolecular 1,3‐dipolar cycloaddition sequence with the bis‐azomethine imine derived from a para‐aryl‐substituted bis‐verdazyl radical has been used to form a series of [n]‐paraheteraphanes, which form exclusively by a [1+1] double cycloaddition reaction, with no evidence for the formation of the [2+2] quadruple cycloadduct products. 1H NMR spectroscopic studies show that rotation of the phenyl ring of these compounds is affected by the size and structure of the [n]‐paraheteraphane cavity.
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