Issue 17, 2002
From the journal:

Journal of the Chemical Society, Dalton Transactions

Ansa-di(phosphaneiminato)titanium chelates: novel isolobal analogues of ansa-titanocene derivatives

Ulrich Siemeling,*a   Lars Kölling,a   Anja Stammlerb  and  Hans-Georg Stammlerb  

* Corresponding authors

a Department of Physics, University of Kassel, Heinrich-Plett-Str. 40, D-34132 Kassel, Germany
E-mail: siemeling@uni-kassel.de

b Department of Chemistry, University of Bielefeld, Universitätsstr. 25, D-33615 Bielefeld, Germany

Abstract

(Me3SiN)But2P(CH2)3PBut2(NSiMe3) (1) was obtained by the Staudinger reaction from Me3SiN3 and But2P(CH2)3PBut2. Metathesis of 1 with TiCl4 in boiling toluene afforded the chelate [(NBut2P(CH2)3PBut2N)TiCl2] (2). [(NBut2P(CH2)3PBut2N)TiMe2] (3) and [(NBut2P(CH2)3PBut2N)Ti(CH2Ph)2] (4) were obtained from 2 by reaction with methyllithium and benzylmagnesium chloride, respectively. The crystal structures of 3 and 4 were determined. Both compounds exhibit two quite different bond angles at their respective nitrogen atoms (ca. 140° vs. ca. 160°).

Graphical abstract: Ansa-di(phosphaneiminato)titanium chelates: novel isolobal analogues of ansa-titanocene derivatives

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Article information

DOI
https://doi.org/10.1039/B203606C
Article type
Paper
Submitted
12 Apr 2002
Accepted
02 Jul 2002
First published
30 Jul 2002

J. Chem. Soc., Dalton Trans., 2002, 3277-3279

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Ansa-di(phosphaneiminato)titanium chelates: novel isolobal analogues of ansa-titanocene derivatives

U. Siemeling, L. Kölling, A. Stammler and H. Stammler, J. Chem. Soc., Dalton Trans., 2002, 3277 DOI: 10.1039/B203606C

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