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https://hdl.handle.net/2440/43788
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Type: | Journal article |
Title: | Persistent π-arene interactions in bulky formamidinate complexes of potassium |
Other Titles: | Persistent pi-arene interactions in bulky formamidinate complexes of potassium |
Author: | Cole, M. Davies, A. Jones, C. Junk, P. |
Citation: | Journal of Organometallic Chemistry, 2007; 692(12):2508-2518 |
Publisher: | Elsevier Science Sa |
Issue Date: | 2007 |
ISSN: | 0022-328X |
Statement of Responsibility: | Marcus L. Cole, Aaron J. Davies, Cameron Jones, Peter C. Junk |
Abstract: | The reaction of potassium hexamethyldisilazide (K-HMDS) with 1 equiv. of the bulky formamidine N(Diep){double bond, long}C(H)NH(Diep) (DiepFormH, Diep = 2,6-Et2C6H3) in THF yields the half deprotonated compound [K(DiepForm)(DiepFormH)] (1), which exhibits suppressed reactivity with the hexamethyldisilazide anion. Reaction of 1 with n-BuLi gives the polymer [{Li(THF)2K(DiepForm)2}n] (2). Preparation of 1 in the presence of the chelating solvents 1,2-dimethoxyethane (DME) or N,N,N′,N″,N″-pentamethyldiethylenetriamine (PMDETA) gives the fully deprotonated species [{K3(DiepForm)3(DME)3}n] (3) and [{K(PMDETA)K(DiepForm)2}n] (6). The syntheses of compounds 1-3, 6 and related compounds, e.g. [{K3{N(Dimp)C(H)N(Dimp)}3(DME)3}n] (4) (Dimp = 2,6-Me2C6H3), are described. © 2007 Elsevier B.V. All rights reserved. |
Keywords: | Alkali metals Potassium Amides Amidinates Molecular structures |
Rights: | Copyright © 2007 Elsevier B.V. All rights reserved. |
DOI: | 10.1016/j.jorganchem.2007.02.028 |
Description (link): | http://www.elsevier.com/wps/find/journaldescription.cws_home/504090/description#description |
Published version: | http://dx.doi.org/10.1016/j.jorganchem.2007.02.028 |
Appears in Collections: | Aurora harvest Chemistry publications |
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