Catching the first oligomerization event in the catalytic formation of polyaminoboranes: H3B·NMeHBH2·NMeH 2 bound to iridium
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·NMeH 2 to [Ir(PCy3)2(H)2(η 2-H3B·NMeH2)][BArF 4] to give [Ir(PCy3)2(H)2(η 2-H3B·NMeHBH2·NMeH 2)][BArF4]. This reaction is also catalytic for the formation of the free linear diborazane, but this is best obtained by an alternative stoichiometric synthesis.
Johnson, Heather C.,Robertson, Alasdair P. M.,Chaplin, Adrian B.,Sewell, Laura J.,Thompson, Amber L.,Haddow, Mairi F.,Manners, Ian,Weller, Andrew S.
p. 11076 - 11079
(2011/09/14)
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