Phenylacetylene and carbon dioxide activation by an organometallic samarium complex

Violaine Goudy; Mathieu Xémard; Simon Karleskind; Marie Cordier; Carlos Alvarez Lamsfus; Laurent Maron; Grégory Nocton

doi:10.3390/inorganics6030082

Phenylacetylene and carbon dioxide activation by an organometallic samarium complex

Violaine Goudy
, Mathieu Xémard
, Simon Karleskind
, Marie Cordier
, Carlos Alvarez Lamsfus
, Laurent Maron
, Grégory Nocton

Université Paris-Saclay
Université Paul Sabatier

Research output: Contribution to journal › Article › peer-review

Abstract

Small molecule activation is a topic of growing importance and the use of low-valent f-elements to perform these reactions is nowadays well established. The complex Cp₂ ^tt Sm(thf) (1, Cp^tt = 1,3-(^tBu)₂Cp) is shown to activate the alkyne C-H bond of phenylacetylene to form the Cp^tt ₂ Sm(C≡C-Ph)(thf) complex. The subsequent reaction of this Sm(III) complex with CO₂ leads to the CO₂ insertion, yielding a dimeric [Cp₂ ^ttSm(O₂C-C≡C-Ph)]₂ complex (2), in which the carbon dioxide has been inserted in the Sm-C bond. Along with the experimental chemical structure analysis, theoretical calculations have been performed in order to rationalize the formation of 1 and 2.

Original language	English
Article number	82
Journal	Inorganics
Volume	6
Issue number	3
DOIs	https://doi.org/10.3390/inorganics6030082
Publication status	Published - 1 Sept 2018
Externally published	Yes

Keywords

C-H activation
Samarium complexes
Small molecule activation

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10.3390/inorganics6030082

Cite this

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title = "Phenylacetylene and carbon dioxide activation by an organometallic samarium complex",

abstract = "Small molecule activation is a topic of growing importance and the use of low-valent f-elements to perform these reactions is nowadays well established. The complex Cp2 tt Sm(thf) (1, Cptt = 1,3-(tBu)2Cp) is shown to activate the alkyne C-H bond of phenylacetylene to form the Cptt 2 Sm(C≡C-Ph)(thf) complex. The subsequent reaction of this Sm(III) complex with CO2 leads to the CO2 insertion, yielding a dimeric [Cp2 ttSm(O2C-C≡C-Ph)]2 complex (2), in which the carbon dioxide has been inserted in the Sm-C bond. Along with the experimental chemical structure analysis, theoretical calculations have been performed in order to rationalize the formation of 1 and 2.",

keywords = "C-H activation, Samarium complexes, Small molecule activation",

author = "Violaine Goudy and Mathieu X{\'e}mard and Simon Karleskind and Marie Cordier and Lamsfus, \{Carlos Alvarez\} and Laurent Maron and Gr{\'e}gory Nocton",

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doi = "10.3390/inorganics6030082",

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T1 - Phenylacetylene and carbon dioxide activation by an organometallic samarium complex

AU - Goudy, Violaine

AU - Xémard, Mathieu

AU - Karleskind, Simon

AU - Cordier, Marie

AU - Lamsfus, Carlos Alvarez

AU - Maron, Laurent

AU - Nocton, Grégory

PY - 2018/9/1

Y1 - 2018/9/1

N2 - Small molecule activation is a topic of growing importance and the use of low-valent f-elements to perform these reactions is nowadays well established. The complex Cp2 tt Sm(thf) (1, Cptt = 1,3-(tBu)2Cp) is shown to activate the alkyne C-H bond of phenylacetylene to form the Cptt 2 Sm(C≡C-Ph)(thf) complex. The subsequent reaction of this Sm(III) complex with CO2 leads to the CO2 insertion, yielding a dimeric [Cp2 ttSm(O2C-C≡C-Ph)]2 complex (2), in which the carbon dioxide has been inserted in the Sm-C bond. Along with the experimental chemical structure analysis, theoretical calculations have been performed in order to rationalize the formation of 1 and 2.

AB - Small molecule activation is a topic of growing importance and the use of low-valent f-elements to perform these reactions is nowadays well established. The complex Cp2 tt Sm(thf) (1, Cptt = 1,3-(tBu)2Cp) is shown to activate the alkyne C-H bond of phenylacetylene to form the Cptt 2 Sm(C≡C-Ph)(thf) complex. The subsequent reaction of this Sm(III) complex with CO2 leads to the CO2 insertion, yielding a dimeric [Cp2 ttSm(O2C-C≡C-Ph)]2 complex (2), in which the carbon dioxide has been inserted in the Sm-C bond. Along with the experimental chemical structure analysis, theoretical calculations have been performed in order to rationalize the formation of 1 and 2.

KW - C-H activation

KW - Samarium complexes

KW - Small molecule activation

UR - https://www.scopus.com/pages/publications/85053858719

U2 - 10.3390/inorganics6030082

DO - 10.3390/inorganics6030082

M3 - Article

AN - SCOPUS:85053858719

SN - 2304-6740

VL - 6

JO - Inorganics

JF - Inorganics

IS - 3

M1 - 82

ER -

Phenylacetylene and carbon dioxide activation by an organometallic samarium complex

Abstract

Keywords

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