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Synthesis and Molecular Structure of the Solvent-Free [LiN(SiMe3)(2,6iPr2C6H3)]2 Dimer

✍ Scribed by Kennepohl, Dietmar K. ;Brooker, Sally ;Sheldrick, George M. ;Roesky, Herbert W.

Publisher: Wiley (John Wiley & Sons)
Year: 1991
Tongue: English
Weight: 306 KB
Volume: 124
Category: Article
ISSN: 0009-2940
DOI: 10.1002/cber.19911241013

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✦ Synopsis

Abstract

[LiN(SiMe~3~)Ar]~2~ (1, Ar = 2,6‐__i__Pr~2~C~6~H~3~) is prepared by the reaction of HN(SiMe~3~)Ar with __n__BuLi in n‐hexane. This compound with an unusual structure contains a four‐membered [LiN]~2~ heterocycle with two solvent‐free two‐coordinate Li centers. Its molecular structure represents the first solid‐state X‐ray analysis of an uncomplexed [LiN]~2~ dimer.

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