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Synthesis and complexation of dichalcogenoethers with cyclopropyl backbones, (CH2EMe)2 (E=Se or Te)

Synthesis and complexation of dichalcogenoethers with cyclopropyl backbones, (CH2EMe)2 (E=Se or Te)
Synthesis and complexation of dichalcogenoethers with cyclopropyl backbones, (CH2EMe)2 (E=Se or Te)
The reaction of LiTeMe with C(CH2Br)4 in thf gives (CH2TeMe)2 irrespective of the ratio of reactants, in contrast to the reaction with LiSeMe, which gives either C(CH2SeMe)4 or (CH2SeMe)2 depending upon the reaction conditions. The synthesis and properties of [ (CH2TeMe2)2]I2, (CH2TeMeI2)2, [Mn(CO)3Cl{ (CH2EMe)2}] (E = Se or Te) and [MCl(?6-p-cymene){ (CH2EMe)2}]PF6 (M = Ru or Os) are described. X-ray crystal structures are reported for [ (CH2TeMe2)2]I2, [Mn(CO)3Cl{ (CH2TeMe)2}], [MCl(?6-p-cymene){ (CH2TeMe)2}]PF6 (M = Ru, E = Se or Te and M = Os, E = Se). The effect of the cyclopropyl ring in the ligand backbone is to open up the C–C–C angle within the chelate ring, compared with trimethylene linked analogues. Selenium–carbon bond fission occurs on attempted quaternisation of o-C6H4(CH2SeMe)2 or (CH2SeMe)2 with MeI yielding [Me3Se]I.

selenoether, telluroether, ruthenium, osmium, manganese
0022-328X
1346-1352
Levason, William
e7f6d7c7-643c-49f5-8b57-0ebbe1bb52cd
Ollivere, Luke P.
f5705366-f31b-4efb-90dd-4f6e07d5859e
Reid, Gillian
37d35b11-40ce-48c5-a68e-f6ce04cd4037
Webster, Michael
f26c6e36-cb2e-486e-b2ed-b0d25a3a71f7
Levason, William
e7f6d7c7-643c-49f5-8b57-0ebbe1bb52cd
Ollivere, Luke P.
f5705366-f31b-4efb-90dd-4f6e07d5859e
Reid, Gillian
37d35b11-40ce-48c5-a68e-f6ce04cd4037
Webster, Michael
f26c6e36-cb2e-486e-b2ed-b0d25a3a71f7

Levason, William, Ollivere, Luke P., Reid, Gillian and Webster, Michael (2010) Synthesis and complexation of dichalcogenoethers with cyclopropyl backbones, (CH2EMe)2 (E=Se or Te). Journal of Organometallic Chemistry, 695 (9), 1346-1352. (doi:10.1016/j.jorganchem.2010.02.010).

Record type: Article

Abstract

The reaction of LiTeMe with C(CH2Br)4 in thf gives (CH2TeMe)2 irrespective of the ratio of reactants, in contrast to the reaction with LiSeMe, which gives either C(CH2SeMe)4 or (CH2SeMe)2 depending upon the reaction conditions. The synthesis and properties of [ (CH2TeMe2)2]I2, (CH2TeMeI2)2, [Mn(CO)3Cl{ (CH2EMe)2}] (E = Se or Te) and [MCl(?6-p-cymene){ (CH2EMe)2}]PF6 (M = Ru or Os) are described. X-ray crystal structures are reported for [ (CH2TeMe2)2]I2, [Mn(CO)3Cl{ (CH2TeMe)2}], [MCl(?6-p-cymene){ (CH2TeMe)2}]PF6 (M = Ru, E = Se or Te and M = Os, E = Se). The effect of the cyclopropyl ring in the ligand backbone is to open up the C–C–C angle within the chelate ring, compared with trimethylene linked analogues. Selenium–carbon bond fission occurs on attempted quaternisation of o-C6H4(CH2SeMe)2 or (CH2SeMe)2 with MeI yielding [Me3Se]I.

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More information

Published date: 1 May 2010
Keywords: selenoether, telluroether, ruthenium, osmium, manganese

Identifiers

Local EPrints ID: 177675
URI: http://eprints.soton.ac.uk/id/eprint/177675
ISSN: 0022-328X
PURE UUID: 5126af93-5447-4553-93d4-321ed7a3c5e2
ORCID for William Levason: ORCID iD orcid.org/0000-0003-3540-0971
ORCID for Gillian Reid: ORCID iD orcid.org/0000-0001-5349-3468

Catalogue record

Date deposited: 18 Mar 2011 11:40
Last modified: 07 Oct 2020 01:36

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