Chemistry of 1,1,4,4‐Tetramethyl‐1,4‐diazonia‐2,5‐diboratacyclohexane.

Abstract Reactivity of 1,1,4,4-tetramethyl-1,4-diazonia-2,5-diboratacyclohexane toward a variety of substances was surveyed. The halogenation to 2-iodo and 2,5-diiodo derivatives is of particular interest because subsequent iodide displacements allow substitutional elaboration of the ring system. A novel cleavage reaction of esters by the 2-iodo derivative gives stable, neutral, oxygen-bonded derivatives.