author_facet Poulard, Cyril
Perrey, Danièle
Boni, Gilles
Vigier, Estelle
Blacque, Olivier
Kubicki, Marek M.
Moïse, Claude
Poulard, Cyril
Perrey, Danièle
Boni, Gilles
Vigier, Estelle
Blacque, Olivier
Kubicki, Marek M.
Moïse, Claude
author Poulard, Cyril
Perrey, Danièle
Boni, Gilles
Vigier, Estelle
Blacque, Olivier
Kubicki, Marek M.
Moïse, Claude
spellingShingle Poulard, Cyril
Perrey, Danièle
Boni, Gilles
Vigier, Estelle
Blacque, Olivier
Kubicki, Marek M.
Moïse, Claude
European Journal of Inorganic Chemistry
Formation and Reactivity of a Tantalocene Trihydride Containing an Aminoethyl‐Functionalised Ligand
Inorganic Chemistry
author_sort poulard, cyril
spelling Poulard, Cyril Perrey, Danièle Boni, Gilles Vigier, Estelle Blacque, Olivier Kubicki, Marek M. Moïse, Claude 1434-1948 1099-0682 Wiley Inorganic Chemistry http://dx.doi.org/10.1002/ejic.200390087 <jats:title>Abstract</jats:title><jats:p>The complex [Cp*{C<jats:sub>5</jats:sub>H<jats:sub>4</jats:sub>(CH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>NMe<jats:sub>2</jats:sub>)}TaCl<jats:sub>2</jats:sub>] (<jats:bold>1</jats:bold>) was synthesised by reaction of the lithium salt LiC<jats:sub>5</jats:sub>H<jats:sub>4</jats:sub>(CH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>NMe<jats:sub>2</jats:sub>) with the tantalum compound [Cp*TaCl<jats:sub>3</jats:sub>(PMe<jats:sub>3</jats:sub>)]. Reduction of <jats:bold>1</jats:bold> with NaAl(H)<jats:sub>2</jats:sub>(OCH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>OMe)<jats:sub>2</jats:sub> leads to the trihydride derivative [Cp*{C<jats:sub>5</jats:sub>H<jats:sub>4</jats:sub>(CH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>NMe<jats:sub>2</jats:sub>)}TaH<jats:sub>3</jats:sub>] (<jats:bold>2</jats:bold>). The oxidation of <jats:bold>2</jats:bold> in THF with ferrocenium ion leads to a cationic dihydride intermediate [Cp*{C<jats:sub>5</jats:sub>H<jats:sub>4</jats:sub>(CH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>NMe<jats:sub>2</jats:sub>)}TaH<jats:sub>2</jats:sub>]PF<jats:sub>6</jats:sub> (<jats:bold>3</jats:bold>) with an intramolecular stabilization by the aminoethyl side‐chain of the cyclopentadienyl ligand. The hemilabile character of the functionalised cyclopentadienyl ligand was checked by treating <jats:bold>3</jats:bold> with electron‐donating ligands (e.g. phosphanes, sulfides, anions); in all cases, no displacement of the amino group was observed. When treated with HBF<jats:sub>4</jats:sub>, <jats:bold>2</jats:bold> undergoes a loss of the hydride and the resulting cation can be isolated as a solvento adduct by carrying out the reaction in dimethyl sulfide. Acidolysis of <jats:bold>2</jats:bold> in the presence of an excess of trifluoroacetic acid affords the compound [Cp*{C<jats:sub>5</jats:sub>H<jats:sub>4</jats:sub>(CH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>NHMe<jats:sub>2</jats:sub>)}TaH(OCOCF<jats:sub>3</jats:sub>)<jats:sub>2</jats:sub>](CF<jats:sub>3</jats:sub>COO) (<jats:bold>5</jats:bold>). Microanalytical and NMR spectroscopic data for these complexes are given. The X‐ray crystal structures are reported for [Cp*{C<jats:sub>5</jats:sub>H<jats:sub>4</jats:sub>(CH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>NMe<jats:sub>2</jats:sub>)}TaH<jats:sub>2</jats:sub>]PF<jats:sub>6</jats:sub> (<jats:bold>3</jats:bold>) and [Cp*{C<jats:sub>5</jats:sub>H<jats:sub>4</jats:sub>(CH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>NHMe<jats:sub>2</jats:sub>)}TaH(OCOCF<jats:sub>3</jats:sub>)<jats:sub>2</jats:sub>](CF<jats:sub>3</jats:sub>COO) (<jats:bold>5</jats:bold>). (© Wiley‐VCH Verlag GmbH &amp; Co. KGaA, 69451 Weinheim, Germany, 2003)</jats:p> Formation and Reactivity of a Tantalocene Trihydride Containing an Aminoethyl‐Functionalised Ligand European Journal of Inorganic Chemistry
doi_str_mv 10.1002/ejic.200390087
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publishDateSort 2003
publisher Wiley
recordtype ai
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series European Journal of Inorganic Chemistry
source_id 49
title Formation and Reactivity of a Tantalocene Trihydride Containing an Aminoethyl‐Functionalised Ligand
title_unstemmed Formation and Reactivity of a Tantalocene Trihydride Containing an Aminoethyl‐Functionalised Ligand
title_full Formation and Reactivity of a Tantalocene Trihydride Containing an Aminoethyl‐Functionalised Ligand
title_fullStr Formation and Reactivity of a Tantalocene Trihydride Containing an Aminoethyl‐Functionalised Ligand
title_full_unstemmed Formation and Reactivity of a Tantalocene Trihydride Containing an Aminoethyl‐Functionalised Ligand
title_short Formation and Reactivity of a Tantalocene Trihydride Containing an Aminoethyl‐Functionalised Ligand
title_sort formation and reactivity of a tantalocene trihydride containing an aminoethyl‐functionalised ligand
topic Inorganic Chemistry
url http://dx.doi.org/10.1002/ejic.200390087
publishDate 2003
physical 633-637
description <jats:title>Abstract</jats:title><jats:p>The complex [Cp*{C<jats:sub>5</jats:sub>H<jats:sub>4</jats:sub>(CH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>NMe<jats:sub>2</jats:sub>)}TaCl<jats:sub>2</jats:sub>] (<jats:bold>1</jats:bold>) was synthesised by reaction of the lithium salt LiC<jats:sub>5</jats:sub>H<jats:sub>4</jats:sub>(CH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>NMe<jats:sub>2</jats:sub>) with the tantalum compound [Cp*TaCl<jats:sub>3</jats:sub>(PMe<jats:sub>3</jats:sub>)]. Reduction of <jats:bold>1</jats:bold> with NaAl(H)<jats:sub>2</jats:sub>(OCH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>OMe)<jats:sub>2</jats:sub> leads to the trihydride derivative [Cp*{C<jats:sub>5</jats:sub>H<jats:sub>4</jats:sub>(CH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>NMe<jats:sub>2</jats:sub>)}TaH<jats:sub>3</jats:sub>] (<jats:bold>2</jats:bold>). The oxidation of <jats:bold>2</jats:bold> in THF with ferrocenium ion leads to a cationic dihydride intermediate [Cp*{C<jats:sub>5</jats:sub>H<jats:sub>4</jats:sub>(CH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>NMe<jats:sub>2</jats:sub>)}TaH<jats:sub>2</jats:sub>]PF<jats:sub>6</jats:sub> (<jats:bold>3</jats:bold>) with an intramolecular stabilization by the aminoethyl side‐chain of the cyclopentadienyl ligand. The hemilabile character of the functionalised cyclopentadienyl ligand was checked by treating <jats:bold>3</jats:bold> with electron‐donating ligands (e.g. phosphanes, sulfides, anions); in all cases, no displacement of the amino group was observed. When treated with HBF<jats:sub>4</jats:sub>, <jats:bold>2</jats:bold> undergoes a loss of the hydride and the resulting cation can be isolated as a solvento adduct by carrying out the reaction in dimethyl sulfide. Acidolysis of <jats:bold>2</jats:bold> in the presence of an excess of trifluoroacetic acid affords the compound [Cp*{C<jats:sub>5</jats:sub>H<jats:sub>4</jats:sub>(CH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>NHMe<jats:sub>2</jats:sub>)}TaH(OCOCF<jats:sub>3</jats:sub>)<jats:sub>2</jats:sub>](CF<jats:sub>3</jats:sub>COO) (<jats:bold>5</jats:bold>). Microanalytical and NMR spectroscopic data for these complexes are given. The X‐ray crystal structures are reported for [Cp*{C<jats:sub>5</jats:sub>H<jats:sub>4</jats:sub>(CH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>NMe<jats:sub>2</jats:sub>)}TaH<jats:sub>2</jats:sub>]PF<jats:sub>6</jats:sub> (<jats:bold>3</jats:bold>) and [Cp*{C<jats:sub>5</jats:sub>H<jats:sub>4</jats:sub>(CH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>NHMe<jats:sub>2</jats:sub>)}TaH(OCOCF<jats:sub>3</jats:sub>)<jats:sub>2</jats:sub>](CF<jats:sub>3</jats:sub>COO) (<jats:bold>5</jats:bold>). (© Wiley‐VCH Verlag GmbH &amp; Co. KGaA, 69451 Weinheim, Germany, 2003)</jats:p>
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author Poulard, Cyril, Perrey, Danièle, Boni, Gilles, Vigier, Estelle, Blacque, Olivier, Kubicki, Marek M., Moïse, Claude
author_facet Poulard, Cyril, Perrey, Danièle, Boni, Gilles, Vigier, Estelle, Blacque, Olivier, Kubicki, Marek M., Moïse, Claude, Poulard, Cyril, Perrey, Danièle, Boni, Gilles, Vigier, Estelle, Blacque, Olivier, Kubicki, Marek M., Moïse, Claude
author_sort poulard, cyril
container_issue 4
container_start_page 633
container_title European Journal of Inorganic Chemistry
container_volume 2003
description <jats:title>Abstract</jats:title><jats:p>The complex [Cp*{C<jats:sub>5</jats:sub>H<jats:sub>4</jats:sub>(CH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>NMe<jats:sub>2</jats:sub>)}TaCl<jats:sub>2</jats:sub>] (<jats:bold>1</jats:bold>) was synthesised by reaction of the lithium salt LiC<jats:sub>5</jats:sub>H<jats:sub>4</jats:sub>(CH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>NMe<jats:sub>2</jats:sub>) with the tantalum compound [Cp*TaCl<jats:sub>3</jats:sub>(PMe<jats:sub>3</jats:sub>)]. Reduction of <jats:bold>1</jats:bold> with NaAl(H)<jats:sub>2</jats:sub>(OCH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>OMe)<jats:sub>2</jats:sub> leads to the trihydride derivative [Cp*{C<jats:sub>5</jats:sub>H<jats:sub>4</jats:sub>(CH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>NMe<jats:sub>2</jats:sub>)}TaH<jats:sub>3</jats:sub>] (<jats:bold>2</jats:bold>). The oxidation of <jats:bold>2</jats:bold> in THF with ferrocenium ion leads to a cationic dihydride intermediate [Cp*{C<jats:sub>5</jats:sub>H<jats:sub>4</jats:sub>(CH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>NMe<jats:sub>2</jats:sub>)}TaH<jats:sub>2</jats:sub>]PF<jats:sub>6</jats:sub> (<jats:bold>3</jats:bold>) with an intramolecular stabilization by the aminoethyl side‐chain of the cyclopentadienyl ligand. The hemilabile character of the functionalised cyclopentadienyl ligand was checked by treating <jats:bold>3</jats:bold> with electron‐donating ligands (e.g. phosphanes, sulfides, anions); in all cases, no displacement of the amino group was observed. When treated with HBF<jats:sub>4</jats:sub>, <jats:bold>2</jats:bold> undergoes a loss of the hydride and the resulting cation can be isolated as a solvento adduct by carrying out the reaction in dimethyl sulfide. Acidolysis of <jats:bold>2</jats:bold> in the presence of an excess of trifluoroacetic acid affords the compound [Cp*{C<jats:sub>5</jats:sub>H<jats:sub>4</jats:sub>(CH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>NHMe<jats:sub>2</jats:sub>)}TaH(OCOCF<jats:sub>3</jats:sub>)<jats:sub>2</jats:sub>](CF<jats:sub>3</jats:sub>COO) (<jats:bold>5</jats:bold>). Microanalytical and NMR spectroscopic data for these complexes are given. The X‐ray crystal structures are reported for [Cp*{C<jats:sub>5</jats:sub>H<jats:sub>4</jats:sub>(CH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>NMe<jats:sub>2</jats:sub>)}TaH<jats:sub>2</jats:sub>]PF<jats:sub>6</jats:sub> (<jats:bold>3</jats:bold>) and [Cp*{C<jats:sub>5</jats:sub>H<jats:sub>4</jats:sub>(CH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>NHMe<jats:sub>2</jats:sub>)}TaH(OCOCF<jats:sub>3</jats:sub>)<jats:sub>2</jats:sub>](CF<jats:sub>3</jats:sub>COO) (<jats:bold>5</jats:bold>). (© Wiley‐VCH Verlag GmbH &amp; Co. KGaA, 69451 Weinheim, Germany, 2003)</jats:p>
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spelling Poulard, Cyril Perrey, Danièle Boni, Gilles Vigier, Estelle Blacque, Olivier Kubicki, Marek M. Moïse, Claude 1434-1948 1099-0682 Wiley Inorganic Chemistry http://dx.doi.org/10.1002/ejic.200390087 <jats:title>Abstract</jats:title><jats:p>The complex [Cp*{C<jats:sub>5</jats:sub>H<jats:sub>4</jats:sub>(CH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>NMe<jats:sub>2</jats:sub>)}TaCl<jats:sub>2</jats:sub>] (<jats:bold>1</jats:bold>) was synthesised by reaction of the lithium salt LiC<jats:sub>5</jats:sub>H<jats:sub>4</jats:sub>(CH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>NMe<jats:sub>2</jats:sub>) with the tantalum compound [Cp*TaCl<jats:sub>3</jats:sub>(PMe<jats:sub>3</jats:sub>)]. Reduction of <jats:bold>1</jats:bold> with NaAl(H)<jats:sub>2</jats:sub>(OCH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>OMe)<jats:sub>2</jats:sub> leads to the trihydride derivative [Cp*{C<jats:sub>5</jats:sub>H<jats:sub>4</jats:sub>(CH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>NMe<jats:sub>2</jats:sub>)}TaH<jats:sub>3</jats:sub>] (<jats:bold>2</jats:bold>). The oxidation of <jats:bold>2</jats:bold> in THF with ferrocenium ion leads to a cationic dihydride intermediate [Cp*{C<jats:sub>5</jats:sub>H<jats:sub>4</jats:sub>(CH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>NMe<jats:sub>2</jats:sub>)}TaH<jats:sub>2</jats:sub>]PF<jats:sub>6</jats:sub> (<jats:bold>3</jats:bold>) with an intramolecular stabilization by the aminoethyl side‐chain of the cyclopentadienyl ligand. The hemilabile character of the functionalised cyclopentadienyl ligand was checked by treating <jats:bold>3</jats:bold> with electron‐donating ligands (e.g. phosphanes, sulfides, anions); in all cases, no displacement of the amino group was observed. When treated with HBF<jats:sub>4</jats:sub>, <jats:bold>2</jats:bold> undergoes a loss of the hydride and the resulting cation can be isolated as a solvento adduct by carrying out the reaction in dimethyl sulfide. Acidolysis of <jats:bold>2</jats:bold> in the presence of an excess of trifluoroacetic acid affords the compound [Cp*{C<jats:sub>5</jats:sub>H<jats:sub>4</jats:sub>(CH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>NHMe<jats:sub>2</jats:sub>)}TaH(OCOCF<jats:sub>3</jats:sub>)<jats:sub>2</jats:sub>](CF<jats:sub>3</jats:sub>COO) (<jats:bold>5</jats:bold>). Microanalytical and NMR spectroscopic data for these complexes are given. The X‐ray crystal structures are reported for [Cp*{C<jats:sub>5</jats:sub>H<jats:sub>4</jats:sub>(CH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>NMe<jats:sub>2</jats:sub>)}TaH<jats:sub>2</jats:sub>]PF<jats:sub>6</jats:sub> (<jats:bold>3</jats:bold>) and [Cp*{C<jats:sub>5</jats:sub>H<jats:sub>4</jats:sub>(CH<jats:sub>2</jats:sub>CH<jats:sub>2</jats:sub>NHMe<jats:sub>2</jats:sub>)}TaH(OCOCF<jats:sub>3</jats:sub>)<jats:sub>2</jats:sub>](CF<jats:sub>3</jats:sub>COO) (<jats:bold>5</jats:bold>). (© Wiley‐VCH Verlag GmbH &amp; Co. KGaA, 69451 Weinheim, Germany, 2003)</jats:p> Formation and Reactivity of a Tantalocene Trihydride Containing an Aminoethyl‐Functionalised Ligand European Journal of Inorganic Chemistry
spellingShingle Poulard, Cyril, Perrey, Danièle, Boni, Gilles, Vigier, Estelle, Blacque, Olivier, Kubicki, Marek M., Moïse, Claude, European Journal of Inorganic Chemistry, Formation and Reactivity of a Tantalocene Trihydride Containing an Aminoethyl‐Functionalised Ligand, Inorganic Chemistry
title Formation and Reactivity of a Tantalocene Trihydride Containing an Aminoethyl‐Functionalised Ligand
title_full Formation and Reactivity of a Tantalocene Trihydride Containing an Aminoethyl‐Functionalised Ligand
title_fullStr Formation and Reactivity of a Tantalocene Trihydride Containing an Aminoethyl‐Functionalised Ligand
title_full_unstemmed Formation and Reactivity of a Tantalocene Trihydride Containing an Aminoethyl‐Functionalised Ligand
title_short Formation and Reactivity of a Tantalocene Trihydride Containing an Aminoethyl‐Functionalised Ligand
title_sort formation and reactivity of a tantalocene trihydride containing an aminoethyl‐functionalised ligand
title_unstemmed Formation and Reactivity of a Tantalocene Trihydride Containing an Aminoethyl‐Functionalised Ligand
topic Inorganic Chemistry
url http://dx.doi.org/10.1002/ejic.200390087