Issue 35, 2010
From the journal:

Chemical Communications

Three different product types from reactions of lithiated cyclic aminals with trivalent organometal chlorides†

Benjamin J. Hellmann,a   Ina Kamps,a   Andreas Mix,a   Beate Neumann,a   Hans-Georg Stammlera  and  Norbert W. Mitzel*a  

* Corresponding authors

a University of Bielefeld, Universitätsstraße 25, 33615 Bielefeld, Germany
E-mail: mitzel@uni-bielefeld.de
Fax: +49 521 1066026
Tel: +49 521 1066182

Abstract

The reaction of 2-lithio-1,3,5-trimethyl-1,3,5-triazacyclohexane with YCp2Cl leads to the formation of a donor-functionalised mono-anionic amide ligand, 1,3,5-trimethyl-2-(methylamidomethyl)-1,3,5-triazacyclohexane, bonded to the YCp2 unit. The reaction involves a cleavage of the 1,3,5-triazacyclohexane ring and such a cleavage is also observed in the analogous reaction with (Me3C)2GaCl, where a MeN[double bond, length as m-dash]CH− fragment is formed. No such cleavage occurs in the reaction of the related dilithiated bicyclic bis(3-methyl-1,3-diazacyclohex-1-yl)methane with YCpCl2·3thf, which affords a mixed lithium–yttrium organyl.

Graphical abstract: Three different product types from reactions of lithiated cyclic aminals with trivalent organometal chlorides

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Article information

DOI
https://doi.org/10.1039/C0CC01830A
Article type
Communication
Submitted
10 Jun 2010
Accepted
12 Jul 2010
First published
11 Aug 2010

Chem. Commun., 2010,46, 6536-6538

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Three different product types from reactions of lithiated cyclic aminals with trivalent organometal chlorides

B. J. Hellmann, I. Kamps, A. Mix, B. Neumann, H. Stammler and N. W. Mitzel, Chem. Commun., 2010, 46, 6536 DOI: 10.1039/C0CC01830A

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