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Two new macrocyclic oligoboronates were prepared in easy one step syntheses from aminodialcohols and phenylboronic acid. Reaction of 2,6-pyridinedimethanol gives a tetrameric species, while 2-(salicylideneamino)-1-hydroxyethane provides a cyclobisboronate. Both compounds are characterized by using X-ray structural analyses. Possible applications in the supramolecular host-guest chemistry are discussed.