Synthesis and Multiple Subsequent Reactivity of Anionic cyclo ‐E 3 Ligand Complexes (E=P, As).
Synthese und mehrfache Folgereaktivität von anionischen cyclo -E3-Ligandkomplexen (E=P, As)

URN to cite this document:

urn:nbn:de:bvb:355-epub-459354 Copy

DOI to cite this document:

10.5283/epub.45935 Copy

Piesch, Martin ; Reichl, Stephan ; Seidl, Michael ; Balázs, Gábor ; Scheer, Manfred

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Date of publication of this fulltext: 08 Jun 2021 05:23

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Details

Item type:	Article
Open Access Type:	DEAL (Wiley)
Journal or Publication Title:	Angewandte Chemie International Edition
Publisher:	Wiley
Place of Publication:	WEINHEIM
Volume:	60
Page Range:	pp. 15101-15108
Date:	7 May 2021
Institutions:	Chemistry and Pharmacy > Institut für Anorganische Chemie > Chair Prof. Dr. Manfred Scheer
Identification Number:	Value Type 10.1002/anie.202103683 DOI UNSPECIFIED DOI
Keywords:	BOND COVALENT RADII; PHOSPHORUS; ACTIVATION; ALKYL; RINGS; electrophile; heterocycle; polypnictogen; rearrangement; ring expansion
Dewey Decimal Classification:	500 Science > 540 Chemistry & allied sciences
Status:	Published
Refereed:	Yes, this version has been refereed
Created at the University of Regensburg:	Yes
Item ID:	45935

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Abstract

A synthetic pathway for the synthesis of novel anionic sandwich complexes with a cyclo-E-3 (E=P, As) ligand as an end deck was developed giving [Cp ''' Co(eta(3)-E-3)](-) (Cp '''=1,2,4-tri-tert-butylcyclopentadienyl, E=P ([5]), As ([6])) in good yields suitable for further reactivity studies. In the reaction with the chlorophosphanes R2PCl (R=Ph, Cy, Bu-t), neutral complexes with a disubstituted ...

Abstract

A synthetic pathway for the synthesis of novel anionic sandwich complexes with a cyclo-E-3 (E=P, As) ligand as an end deck was developed giving [Cp ''' Co(eta(3)-E-3)](-) (Cp '''=1,2,4-tri-tert-butylcyclopentadienyl, E=P ([5]), As ([6])) in good yields suitable for further reactivity studies. In the reaction with the chlorophosphanes R2PCl (R=Ph, Cy, Bu-t), neutral complexes with a disubstituted cyclo-E3P (E=P, As) ligand in [Cp ''' Co(eta(3)-E3PR2)] (E=P (7 a-c), As (9 a-c)) were obtained. These compounds can be partially or completely converted into complexes with a cyclo-E-3 (E=P, As) ligand with an exocyclic {PR2} unit in [Cp ''' Co(eta(2):eta(1)-E3PR2)] (E=P (8 a-c), As (10 a-c)). Additionally, the insertion of the chlorosilylene [LSiCl] (L=((BuN)-Bu-t)(2)CPh) into the cyclo-E-3 ligand of [5] and [6] was achieved and the novel heteroatomic complexes [Cp ''' Co(eta(3)-E3SiL)] (E=P (11), As (12)) could be isolated. The reaction pathway was elucidated by DFT calculations.

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Metadata last modified: 26 Aug 2022 10:13

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