Abstract

[reaction: see text] A novel macrocyclization procedure is developed on the basis of a domino process. Thus, treatment of linear diiodide 11 under defined conditions gave the 15-membered m,m-cyclophane 12 via aryl-aryl bond formation. Two distinct cross-coupling manifolds, Miyaura's arylboronic ester synthesis and intramolecular Suzuki reaction, proceed in an ordered fashion. Concentration is an important factor for the success of this process.

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