Catching the First Oligomerization Event in the Catalytic Formation of Polyaminoboranes: H<sub>3</sub>B·NMeHBH<sub>2</sub>·NMeH<sub>2</sub> Bound to Iridium
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We report the first insertion step at a metal center for the catalytic dehydropolymerization of H3B·NMeH2 to form the simplest oligomeric species, H3B·NMeHBH2·NMeH2, by the addition of 1 equiv of H3B·NMeH2 to [Ir(PCy3)2(H)2(η2-H3B·NMeH2)][BArF4] to give [Ir(PCy3)2(H)2(η2-H3B·NMeHBH2·NMeH2)][BArF4]. This reaction is also catalytic for the formation of the free linear diborazane, but this is best obtained by an alternative stoichiometric synthesis.
创建时间：
2011-07-27
