Access to Silicon(II)– and Germanium(II)–Indium
Compounds
Version 2 2018-03-21, 19:19
Version 1 2018-03-21, 19:18
Posted on 2018-03-21 - 19:19
Despite
the remarkable ability of N-heterocyclic silylene to act
as a Lewis base and form stable Lewis adducts with group 13 elements
such as boron, aluminum, and gallium, there has been no such comparable
investigation with indium and the realization of a stable silylene–indium
complex has still remained elusive. Similarly, a germylene–indium
complex is also presently unknown. We describe herein the reactions
of [PhC(NtBu)2SiN(SiMe3)2] (1) and [PhC(NtBu)2GeN(SiMe3)2] (4) with InCl3 and InBr3 that have resulted in the first silylene–indium
complexes, [PhC(NtBu)2Si{N(SiMe3)2}→InCl3] (2) and [PhC(NtBu)2Si{N(SiMe3)2}→InBr3] (3), as well as the first germylene–indium
complexes, [PhC(NtBu)2Ge{N(SiMe3)2}→InCl3] (5) and [PhC(NtBu)2Ge{N(SiMe3)2}→InBr3] (6). The solid-state structures of all species
have been validated by single-crystal X-ray diffraction studies. Note
that 5 and 6 are the first structurally
characterized organometallic compounds that feature a Ge–In
single bond (apart from the compounds in Zintl phases). Theoretical
calculations reveal that the Si(II)→In bonds in 2 and 3 and the Ge(II)→In bonds in 5 and 6 are dative bonds.
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Pahar, Sanjukta; Karak, Suvendu; Pait, Moumita; Raj, K. Vipin; Vanka, Kumar; Sen, Sakya S. (2018). Access to Silicon(II)– and Germanium(II)–Indium
Compounds. ACS Publications. Collection. https://doi.org/10.1021/acs.organomet.8b00093
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AUTHORS (6)
SP
Sanjukta Pahar
SK
Suvendu Karak
MP
Moumita Pait
KR
K. Vipin Raj
KV
Kumar Vanka
SS
Sakya S. Sen