Issue 1, 2005
From the journal:

New Journal of Chemistry

N,N′-Bis(2,6-diisopropylphenyl)formamidinate complexes of the heavy alkaline earths

Marcus L. Cole†a  and  Peter C. Junk*a  

* Corresponding authors

a School of Chemistry, Monash University, Victoria 3800, Australia
E-mail: peter.junk@sci.monash.edu.au
Fax: +61 (0)3 9905 4597

Abstract

The heavy alkaline earth elements calcium, strontium and barium react with two equivalents of N,N′-bis(2,6-diphenyl)formamidine (DippFormH) in the presence of bis(pentafluorophenyl)mercury to afford the bis(formamidinate) species [M(DippForm)2(THF)n] (M = Ca, n = 1 (1), M = Sr (2) or Ba (3), n = 2) in good to moderate yield. Use of one equivalent of DippFormH during the preparation of 1–3 putatively results in the formation of the organoamide heavy alkaline earth Grignard species “[(X)M(DippForm)]” (M = Ca, Sr or Ba, X = F or C6F5). These compounds participate in the nucleophilic substitution of the para-fluorine of pentafluorobenzene, a by-product of prior ligand exchange, to render DippForm(4-HC6F4).

Graphical abstract: N,N′-Bis(2,6-diisopropylphenyl)formamidinate complexes of the heavy alkaline earths

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Article information

DOI
https://doi.org/10.1039/B411494A
Article type
Paper
Submitted
27 Jul 2004
Accepted
21 Sep 2004
First published
14 Dec 2004

New J. Chem., 2005,29, 135-140

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N,N′-Bis(2,6-diisopropylphenyl)formamidinate complexes of the heavy alkaline earths

M. L. Cole and P. C. Junk, New J. Chem., 2005, 29, 135 DOI: 10.1039/B411494A

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