Selective mono- and dimetallation of a group 3 sandwich complex

Antonio J. Martínez-Martínez; Alan R. Kennedy; Valerie Paprocki; Felipe Fantuzzi; Rian D. Dewhurst; Charles T. O'Hara; Holger Braunschweig; Robert E. Mulvey

doi:10.1039/C9CC03825F

Selective mono- and dimetallation of a group 3 sandwich complex

Antonio J. Martínez-Martínez, Alan R. Kennedy, Valerie Paprocki, Felipe Fantuzzi, Rian D. Dewhurst, Charles T. O'Hara, Holger Braunschweig, Robert E. Mulvey

Pure And Applied Chemistry

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

6 Citations (Scopus)

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Abstract

The scandium Cp/COT hybrid sandwich compound [(η ⁵-C ₅H ₅)Sc(η ⁸-C ₈H ₈)] is resistant to metallation via conventional alkyllithium and lithium amide bases. In this work, clean, selective, stoichiometric and high-yielding mono- and dimetallation is accomplished using tandem trans-metal-trapping (TMT) involving LiTMP and iBu ₂AlTMP with deprotonation occurring selectively at the Cp and Cp/COT rings respectively, providing the first examples of selective metallation of a sandwich complex featuring a group 3 element.

Original language	English
Pages (from-to)	9677-9680
Number of pages	4
Journal	Chemical Communications
Volume	55
Issue number	65
Early online date	19 Jul 2019
DOIs	https://doi.org/10.1039/C9CC03825F
Publication status	Published - 21 Aug 2019

Keywords

trans-metal-trapping
group 3 sandwich

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10.1039/C9CC03825F

Martinez-Martinez-etal-CC2019-Selective-mono-and-dimetallation-of-a-group-3-sandwich-complexAccepted author manuscript, 490 KB

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title = "Selective mono- and dimetallation of a group 3 sandwich complex",

abstract = "The scandium Cp/COT hybrid sandwich compound [(η 5-C 5H 5)Sc(η 8-C 8H 8)] is resistant to metallation via conventional alkyllithium and lithium amide bases. In this work, clean, selective, stoichiometric and high-yielding mono- and dimetallation is accomplished using tandem trans-metal-trapping (TMT) involving LiTMP and iBu 2AlTMP with deprotonation occurring selectively at the Cp and Cp/COT rings respectively, providing the first examples of selective metallation of a sandwich complex featuring a group 3 element. ",

keywords = "trans-metal-trapping, group 3 sandwich",

author = "Mart{\'i}nez-Mart{\'i}nez, {Antonio J.} and Kennedy, {Alan R.} and Valerie Paprocki and Felipe Fantuzzi and Dewhurst, {Rian D.} and O'Hara, {Charles T.} and Holger Braunschweig and Mulvey, {Robert E.}",

year = "2019",

month = aug,

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doi = "10.1039/C9CC03825F",

language = "English",

volume = "55",

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journal = "Chemical Communications",

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publisher = "Royal Society of Chemistry",

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T1 - Selective mono- and dimetallation of a group 3 sandwich complex

AU - Martínez-Martínez, Antonio J.

AU - Kennedy, Alan R.

AU - Paprocki, Valerie

AU - Fantuzzi, Felipe

AU - Dewhurst, Rian D.

AU - O'Hara, Charles T.

AU - Braunschweig, Holger

AU - Mulvey, Robert E.

PY - 2019/8/21

Y1 - 2019/8/21

N2 - The scandium Cp/COT hybrid sandwich compound [(η 5-C 5H 5)Sc(η 8-C 8H 8)] is resistant to metallation via conventional alkyllithium and lithium amide bases. In this work, clean, selective, stoichiometric and high-yielding mono- and dimetallation is accomplished using tandem trans-metal-trapping (TMT) involving LiTMP and iBu 2AlTMP with deprotonation occurring selectively at the Cp and Cp/COT rings respectively, providing the first examples of selective metallation of a sandwich complex featuring a group 3 element.

AB - The scandium Cp/COT hybrid sandwich compound [(η 5-C 5H 5)Sc(η 8-C 8H 8)] is resistant to metallation via conventional alkyllithium and lithium amide bases. In this work, clean, selective, stoichiometric and high-yielding mono- and dimetallation is accomplished using tandem trans-metal-trapping (TMT) involving LiTMP and iBu 2AlTMP with deprotonation occurring selectively at the Cp and Cp/COT rings respectively, providing the first examples of selective metallation of a sandwich complex featuring a group 3 element.

KW - trans-metal-trapping

KW - group 3 sandwich

UR - https://pubs.rsc.org/en/Journals/JournalIssues/CC

U2 - 10.1039/C9CC03825F

DO - 10.1039/C9CC03825F

M3 - Article

SN - 1359-7345

VL - 55

SP - 9677

EP - 9680

JO - Chemical Communications

JF - Chemical Communications

IS - 65

ER -

Selective mono- and dimetallation of a group 3 sandwich complex

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Keywords

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Lithium Cuprates to Copper Lithiates: A New Dawn in Metal Catalysed Chemistry

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Selective mono- and dimetallation of a group 3 sandwich complex

Abstract

Keywords

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Lithium Cuprates to Copper Lithiates: A New Dawn in Metal Catalysed Chemistry

Chiral Concepts in s-Block Metal Amide Chemistry

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