Benzotriazolylalkyl chlorides 5 react with (hetero)aromatic Grignard reagents generated from the corresponding halogen derivatives to afford benzotriazoloalkyl(hetero)aromatic compounds 8a-k and 10a-c in good yields.
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Nucleophilic substitution of benzotriazolylalkyl chlorides with Grignard reagents: A direct route to benzotriazoloalkyl(hetero) aromatic compounds