Synthesis and reactivity of novel amino(imino)metallylenes

Tatsumi Ochiai, Shigeyoshi Inoue

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11 Scopus citations


Novel amino(imino)germylene and stannylene were prepared by conversion of HNIPr [NIPr = bis(2,6-diisopropylphenyl)imidazolin-2-imino] with one equiv of Lappert's reagent (E[N(SiMe3)2]2, E = Ge, Sn). The divalent nature of the iminometallylenes was proved by their reactivity toward Lewis acid [Fe2(CO)9] as well as Lewis base [DMAP (para-dimethylaminopyridine)]. Furthermore, azido-substituted stannylene was isolated in its dimeric form [N3SnNIPr]2 from the reaction of the iminostannylene with one equiv of trimethylsilyl azide. Notably, the reactions of the iminometallylenes with B(C6F5)3 furnish the cyclic germanium(II) and tin(II) cations, respectively, though methyl-abstraction and ring-closing reaction.

Original languageEnglish
Pages (from-to)624-627
Number of pages4
JournalPhosphorus, Sulfur and Silicon and the Related Elements
Issue number4
StatePublished - 2 Apr 2016


  • Germylene
  • azido
  • germyliumylidene
  • stannylene
  • stannyliumylidene


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