Issue 18, 2004
From the journal:

Dalton Transactions

The formation of dimeric phosph(iii)azane macrocycles [{P(μ-NtBu)}2·LL]2 [LL = organic spacer]

Felipe García,a   Richard A. Kowenicki,a   Istemi Kuzu,a   Lucía Riera,*a   Mary McPartlinb  and  Dominic S. Wright*a  

* Corresponding authors

a Chemistry Department, University of Cambridge, Lensfield Road, Cambridge, UK
E-mail: dsw1000@cus.cam.ac.uk

b Department of Health and Biological Science, London Metropolitan University, London, UK

Abstract

The dimeric macrocycles [{P(μ-NtBu)}2·LL]2 [LL = OCH2C(Me)2CH2O (1), 2,6-(NH)2C5H3N (2), 1,2-(NH)2C6H4 (3)] have been obtained by the reactions of the appropriate diols and diamines (LLH2) with the dimeric phosph(III)azane [ClP(μ-NtBu)]2. Under different conditions the reaction of 1,2-(NH2)2C6H4 with [ClP(μ-NtBu)]2 gives the monomer [{P(μ-NtBu)}2·{1,2-(NH)2C6H4}] (4) (instead of the dimer 3). Contrary to the literature, the results illustrate that the formation of dimeric macrocycles is common in these reactions and dependent among other factors on the steric demands and length of the organic spacer (LL) as well as the reaction conditions.

Graphical abstract: The formation of dimeric phosph(iii)azane macrocycles [{P(μ-NtBu)}2·LL]2 [LL = organic spacer]

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Article information

DOI
https://doi.org/10.1039/B409071C
Article type
Paper
Submitted
15 Jun 2004
Accepted
30 Jul 2004
First published
13 Aug 2004

Dalton Trans., 2004, 2904-2909

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The formation of dimeric phosph(III)azane macrocycles [{P(μ-NtBu)}2·LL]2 [LL = organic spacer]

F. García, R. A. Kowenicki, I. Kuzu, L. Riera, M. McPartlin and D. S. Wright, Dalton Trans., 2004, 2904 DOI: 10.1039/B409071C

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