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Synthesis and molecular structure of the organometallic zwitterion (?5-C5H3MeBCl3)Fe(CO)3: evidence for alternative sites of nucleophilicity within the [(?5-C5R5)Fe(CO)2 – anion

Synthesis and molecular structure of the organometallic zwitterion (?5-C5H3MeBCl3)Fe(CO)3: evidence for alternative sites of nucleophilicity within the [(?5-C5R5)Fe(CO)2 – anion
Synthesis and molecular structure of the organometallic zwitterion (?5-C5H3MeBCl3)Fe(CO)3: evidence for alternative sites of nucleophilicity within the [(?5-C5R5)Fe(CO)2 – anion
The organometallic zwitterion (?(5)-C5H3MeBCl3)Fe(CO)(3) (2) is isolated as a minor product from the reaction between the sodium salt of the anion [(?(5)-C5H4Me)Fe(CO)(2)](-) and boron trichloride. The crystal structure of 2 [P2(1)/n, a = 7.3927(5) Å, b = 13.8027(9) Å, c = 12.2759(9) Å, ? = ? = 90°, ? = 92.517(3)°] features discrete molecules in which the coordination sphere of the iron center comprises three carbonyls and a novel (?(5)-C5H3MeBCl3) ligand, derived from attack of BCl3 on the (?(5)-C5H4Me) moiety of the parent compound. The isolation of 2 confirms that the nucleophilic properties of organometallic anions of the type [(?(5)-C5R5)M(CO)(n)](-) (M = Fe, Ru, n = 2; M = Mo, W, n = 3) are not confined to the metal center, or to the carbonyl oxygens (examples of which have previously been reported) but also encompass the cyclopentadienyl ligand.
organometallic, cyclopentadienyl, zwitterion, iron, boron, boryl, metal boryl complexes, catalyzed borylation, functionalization, chemistry, alkanes, ligand, hydroborations, hydrocarbons, activation, linking
1074-1542
805-808
Aldridge, Simon
de66448a-0f63-4b8b-ac55-f78dcd4830ea
Calder, Richard J.
eb1fe8d2-ab06-45fd-84ab-0285dfec28ef
Coles, Simon J.
3116f58b-c30c-48cf-bdd5-397d1c1fecf8
Hursthouse, Michael B.
57a2ddf9-b1b3-4f38-bfe9-ef2f526388da
Aldridge, Simon
de66448a-0f63-4b8b-ac55-f78dcd4830ea
Calder, Richard J.
eb1fe8d2-ab06-45fd-84ab-0285dfec28ef
Coles, Simon J.
3116f58b-c30c-48cf-bdd5-397d1c1fecf8
Hursthouse, Michael B.
57a2ddf9-b1b3-4f38-bfe9-ef2f526388da

Aldridge, Simon, Calder, Richard J., Coles, Simon J. and Hursthouse, Michael B. (2003) Synthesis and molecular structure of the organometallic zwitterion (?5-C5H3MeBCl3)Fe(CO)3: evidence for alternative sites of nucleophilicity within the [(?5-C5R5)Fe(CO)2 – anion. Journal of Chemical Crystallography, 33 (10), 805-808. (doi:10.1023/A:1026167626120).

Record type: Article

Abstract

The organometallic zwitterion (?(5)-C5H3MeBCl3)Fe(CO)(3) (2) is isolated as a minor product from the reaction between the sodium salt of the anion [(?(5)-C5H4Me)Fe(CO)(2)](-) and boron trichloride. The crystal structure of 2 [P2(1)/n, a = 7.3927(5) Å, b = 13.8027(9) Å, c = 12.2759(9) Å, ? = ? = 90°, ? = 92.517(3)°] features discrete molecules in which the coordination sphere of the iron center comprises three carbonyls and a novel (?(5)-C5H3MeBCl3) ligand, derived from attack of BCl3 on the (?(5)-C5H4Me) moiety of the parent compound. The isolation of 2 confirms that the nucleophilic properties of organometallic anions of the type [(?(5)-C5R5)M(CO)(n)](-) (M = Fe, Ru, n = 2; M = Mo, W, n = 3) are not confined to the metal center, or to the carbonyl oxygens (examples of which have previously been reported) but also encompass the cyclopentadienyl ligand.

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Published date: 2003
Keywords: organometallic, cyclopentadienyl, zwitterion, iron, boron, boryl, metal boryl complexes, catalyzed borylation, functionalization, chemistry, alkanes, ligand, hydroborations, hydrocarbons, activation, linking

Identifiers

Local EPrints ID: 19877
URI: https://eprints.soton.ac.uk/id/eprint/19877
ISSN: 1074-1542
PURE UUID: 592baa97-87e9-4d51-adfc-4a2360696608
ORCID for Simon J. Coles: ORCID iD orcid.org/0000-0001-8414-9272

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Date deposited: 23 Feb 2006
Last modified: 20 Jul 2019 01:09

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Author: Simon Aldridge
Author: Richard J. Calder
Author: Simon J. Coles ORCID iD

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