Synthetic, structural and theoretical studies on the new 2,3-dihydro-1,2,4-thia-, selena- and tellura-diphospholes, P2EC2Bu2t(H)Me, (E = S, Se, Te) and their [M(CO)5] complexes (M = Cr, Mo, W)

Monte Helm, Peter B. Hitchcock, John F. Nixon, László Nyulászi, Dénes Szieberth

Research output: Contribution to journalArticle

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Abstract

Methylation of the 1,2,4-thia-, selena- and tellura-diphospholes P2EC2Bu2t (E=S, Se, Te) with MeLi, followed by protonation with HCl, affords the new 2,3-dihydro-1,2,4-thia-, selena- and tellura-diphospholes. Further treatment with [M(CO)5(THF)] (M=Cr, Mo, W) yields the corresponding η1-metal pentacarbonyl complexes, of which diffraction studies. Theoretical calculations carried out on the different isomers of the 2,3-dihydro-1,2,4-thia-, selena- and tellura-diphospholes, and the 2,3-dihydro-1H-1,2,4-triphosphole are also presented and discussed.

Original languageEnglish
Pages (from-to)84-91
Number of pages8
JournalJournal of Organometallic Chemistry
Volume659
Issue number1-2
DOIs
Publication statusPublished - Oct 1 2002

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methylation
Methylation
Protonation
Coordination Complexes
Carbon Monoxide
Metal complexes
Isomers
Theoretical Models
isomers
Diffraction
diffraction
metals

Keywords

  • Diphospholes
  • Methylation
  • Pentacarbonyl complexes
  • Selena
  • Tellura
  • Thia

ASJC Scopus subject areas

  • Biochemistry
  • Inorganic Chemistry
  • Organic Chemistry
  • Physical and Theoretical Chemistry
  • Materials Chemistry

Cite this

Synthetic, structural and theoretical studies on the new 2,3-dihydro-1,2,4-thia-, selena- and tellura-diphospholes, P2EC2Bu2t(H)Me, (E = S, Se, Te) and their [M(CO)5] complexes (M = Cr, Mo, W). / Helm, Monte; Hitchcock, Peter B.; Nixon, John F.; Nyulászi, László; Szieberth, Dénes.

In: Journal of Organometallic Chemistry, Vol. 659, No. 1-2, 01.10.2002, p. 84-91.

Research output: Contribution to journalArticle

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abstract = "Methylation of the 1,2,4-thia-, selena- and tellura-diphospholes P2EC2Bu2t (E=S, Se, Te) with MeLi, followed by protonation with HCl, affords the new 2,3-dihydro-1,2,4-thia-, selena- and tellura-diphospholes. Further treatment with [M(CO)5(THF)] (M=Cr, Mo, W) yields the corresponding η1-metal pentacarbonyl complexes, of which diffraction studies. Theoretical calculations carried out on the different isomers of the 2,3-dihydro-1,2,4-thia-, selena- and tellura-diphospholes, and the 2,3-dihydro-1H-1,2,4-triphosphole are also presented and discussed.",
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