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Influence of ligand steric bulk in the synthesis of transition-metal borylene complexes

Influence of ligand steric bulk in the synthesis of transition-metal borylene complexes
Influence of ligand steric bulk in the synthesis of transition-metal borylene complexes
The differing steric requirements of phenyl and mesityl substituents have been shown to influence reactivity in asymmetric transition-metal haloboryl complexes of the type (eta(5)-C5R5)-Fe(CO)(2)B(X)Ar (R = H, Me; X = Cl, Br; Ar = Ph, Mes). Hence substitution of both halides in PhBCl2 can be achieved by reaction with an excess of the bulky organometallic nucleophile Na[(eta(5)-C5Me5)Fe(CO)(2)], to generate [(eta(5)-(CMe5)-Me-5)Fe(CO)](2)(mu-CO)(mu-BPh) (4c), the first metal complex containing the phenylborylene ligand.
structural-characterization, organometallic chemistry, alternative synthesis, bond, iron, cp, reactivity, boron, derivatives, n(sih3)(2)
0276-7333
4213-4217
Coombs, Deborah L.
4eff45e3-dc89-4545-83d4-0508acda31b7
Aldridge, Simon
de66448a-0f63-4b8b-ac55-f78dcd4830ea
Coles, Simon J.
3116f58b-c30c-48cf-bdd5-397d1c1fecf8
Hursthouse, Michael B.
57a2ddf9-b1b3-4f38-bfe9-ef2f526388da
Coombs, Deborah L.
4eff45e3-dc89-4545-83d4-0508acda31b7
Aldridge, Simon
de66448a-0f63-4b8b-ac55-f78dcd4830ea
Coles, Simon J.
3116f58b-c30c-48cf-bdd5-397d1c1fecf8
Hursthouse, Michael B.
57a2ddf9-b1b3-4f38-bfe9-ef2f526388da

Coombs, Deborah L., Aldridge, Simon, Coles, Simon J. and Hursthouse, Michael B. (2003) Influence of ligand steric bulk in the synthesis of transition-metal borylene complexes. Organometallics, 22 (21), 4213-4217. (doi:10.1021/om030489f).

Record type: Article

Abstract

The differing steric requirements of phenyl and mesityl substituents have been shown to influence reactivity in asymmetric transition-metal haloboryl complexes of the type (eta(5)-C5R5)-Fe(CO)(2)B(X)Ar (R = H, Me; X = Cl, Br; Ar = Ph, Mes). Hence substitution of both halides in PhBCl2 can be achieved by reaction with an excess of the bulky organometallic nucleophile Na[(eta(5)-C5Me5)Fe(CO)(2)], to generate [(eta(5)-(CMe5)-Me-5)Fe(CO)](2)(mu-CO)(mu-BPh) (4c), the first metal complex containing the phenylborylene ligand.

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More information

Published date: 13 October 2003
Keywords: structural-characterization, organometallic chemistry, alternative synthesis, bond, iron, cp, reactivity, boron, derivatives, n(sih3)(2)

Identifiers

Local EPrints ID: 19934
URI: http://eprints.soton.ac.uk/id/eprint/19934
ISSN: 0276-7333
PURE UUID: 2da36320-651d-48dc-85ff-d6b17318b7b7
ORCID for Simon J. Coles: ORCID iD orcid.org/0000-0001-8414-9272

Catalogue record

Date deposited: 24 Feb 2006
Last modified: 08 Jan 2022 02:50

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Contributors

Author: Deborah L. Coombs
Author: Simon Aldridge
Author: Simon J. Coles ORCID iD

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