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1,8-Bis(silylamido)naphthalene complexes of magnesium and zinc synthesised through alkane elimination reactions

Bradley, Mark A.; Birchall, Chris; Blake, Alexander J.; Lewis, William; Moxey, Graeme J.; Kays, Deborah L.

1,8-Bis(silylamido)naphthalene complexes of magnesium and zinc synthesised through alkane elimination reactions Thumbnail


Authors

Mark A. Bradley

Chris Birchall

Alexander J. Blake

William Lewis

Graeme J. Moxey

DEBORAH KAYS DEBORAH.KAYS@NOTTINGHAM.AC.UK
Professor of Inorganic Chemistry



Abstract

© The Royal Society of Chemistry. The reactions between magnesium or zinc alkyls and 1,8-bis(triorganosilyl)diaminonaphthalenes afford the 1,8-bis(triorganosilyl)diamidonaphthalene complexes with elimination of alkanes. The reaction between 1,8-C10H6(NSiMePh2H)2 and one or two equivalents of MgnBu2 affords two complexes with differing coordination environments for the magnesium; the reaction between 1,8-C10H6(NSiMePh2H)2 and MgnBu2 in a 1 : 1 ratio affords 1,8-C10H6(NSiMePh2)2{Mg(THF)2} (1), which features a single magnesium centre bridging both ligand nitrogen donors, whilst treatment of 1,8-C10H6(NSiR3H)2 (R3 = MePh2iPr3) with two equivalents of MgnBu2 affords the bimetallic complexes 1,8-C10H6(NSiR3)2{nBuMg(THF)}2 (R3 = MePh22, R3 = iPr33), which feature four-membered Mg2N2 rings. Similarly, 1,8-C10H6(NSiiPr3)2{MeMg(THF)}2 (4) and 1,8-C10H6(NSiMePh2)2{ZnMe}2 (5) are formed through reactions with the proligands and two equivalents of MMe2 (M = Mg, Zn). The reaction between 1,8-C10H6(NSiMePh2H)2 and two equivalents of MeMgX affords the bimetallic complexes 1,8-C10H6(NSiMePh2)2(XMgOEt2)2 (X = Br 6; X = I 7). Very small amounts of [1,8-C10H6(NSiMePh2)2{IMg(OEt2)}]2 (8), formed through the coupling of two diamidonaphthalene ligands at the 4-position with concomitant dearomatisation of one of the naphthyl arene rings, were also isolated from a solution of 7.

Citation

Birchall, C., Bradley, M. A., Blake, A. J., Lewis, W., Moxey, G. J., & Kays, D. L. (2017). 1,8-Bis(silylamido)naphthalene complexes of magnesium and zinc synthesised through alkane elimination reactions. Dalton Transactions, 46(12), 4101-4110. https://doi.org/10.1039/c7dt00471k

Journal Article Type Article
Acceptance Date Mar 1, 2017
Online Publication Date Mar 1, 2017
Publication Date Mar 28, 2017
Deposit Date Mar 24, 2017
Publicly Available Date Mar 28, 2024
Journal Dalton Transactions
Print ISSN 1477-9226
Electronic ISSN 1477-9234
Publisher Royal Society of Chemistry
Peer Reviewed Peer Reviewed
Volume 46
Issue 12
Pages 4101-4110
DOI https://doi.org/10.1039/c7dt00471k
Public URL https://nottingham-repository.worktribe.com/output/842623
Publisher URL http://pubs.rsc.org/en/Content/ArticleLanding/2017/DT/C7DT00471K#!divAbstract
Additional Information : This document is Similarity Check deposited; : Crystal Structure Data; : Alexander J. Blake (ORCID); : Alexander J. Blake (ResearcherID); : William Lewis (ORCID); : William Lewis (ResearcherID); : Deborah L. Kays (ORCID); : The Royal Society of Chemistry has an exclusive publication licence for this journal; : Single-blind; : Received 7 February 2017; Accepted 1 March 2017; Accepted Manuscript published 1 March 2017; Advance Article published 9 March 2017; Version of Record published 21 March 2017

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