Synthesis and structures of M(Me 3 SiNCHNSiMe 3 ) 3  (M = Al, Ga) via reactions of M‐hydrides with Me 3 SiNCNSiMe 3 | Zendy

Ritter Cole | Zendy; Chizmeshya Andrew V. G. | Zendy; Gray T. L. | Zendy; Kouvetakis J. | Zendy

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Synthesis and structures of M(Me 3 SiNCHNSiMe 3 ) 3 (M = Al, Ga) via reactions of M‐hydrides with Me 3 SiNCNSiMe 3

Author(s) -

Ritter Cole,

Chizmeshya Andrew V. G.,

Gray T. L.,

Kouvetakis J.

Publication year - 2007

Publication title -

applied organometallic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.53

H-Index - 71

eISSN - 1099-0739

pISSN - 0268-2605

DOI - 10.1002/aoc.1277

Subject(s) - chemistry , hexacoordinate , denticity , carbodiimide , steric effects , crystallography , ligand (biochemistry) , crystal structure , yield (engineering) , coordination complex , homoleptic , stereochemistry , metal , monomer , organic chemistry , biochemistry , receptor , materials science , silicon , metallurgy , polymer

Reactions of LiAlH 4 and LiGaH 4 with Me 3 SiNCNSiMe 3 yield, respectively, the monomeric hexacoordinate Al(Me 3 SiNCHNSiMe 3 ) 3 (1) and Ga(Me 3 SiNCHNSiMe 3 ) 3 , (2) metal amidinate compounds. A unique feature of the work is the creation of the previously unknown bidentate [Me 3 SiNCHNSiMe 3 ] anion ligand which shows the propensity to fully encapsulate the Al and Ga metal centers despite potential steric crowding associated with the six‐fold coordination. Compound 1 was also obtained by the reaction of (Me 3 N)AlH 3 with Me 3 SiNCNSiMe 3 via displacement of NMe 3 followed by reduction of the carbodiimide group. The structural properties of 1 and 2 derived from single crystal X‐ray diffraction are elucidated and compared with various coordination analogs. Copyright © 2007 John Wiley & Sons, Ltd.

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