Sulfur-Coordinated Thiophene and Dibenzothiophene in Cp′(CO)2Re(thiophene) Complexes

Moon Gun Choi, Robert J. Angelici

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62 Citations (Scopus)


A series of stable S-bound thiophene complexes Cp′(CO)2Re(Th), Cp′ = C5H5 or C5Me5, Th = thiophene (T), 2−MeT, 3−MeT, 2,5−Me2T, Me4T, and dibenzothiophene (DBT), are prepared by the reaction of Cp′(CO)2Re(THF) with thiophenes. The first structural determination of a simple nonchelated S-coordinated thiophene complex Cp*(CO)2Re(T) is reported. Reactions of several of the Cp′(CO)2Re(Th) complexes display-equation (Th = T, 2-MeT, and 3-MeT) with Fe2(CO)9 give thiophene-bridging dinuclear compounds Cp′(CO)2Re-(μ2−η4(S)-Th)Fe(CO)3 in which thiophene is coordinated to the Re via the sulfur and to the Fe through the four carbons of the diene system. This reaction is the first to demonstrate that S coordination activates thiophene to undergo further reactions.

Original languageEnglish
Pages (from-to)2436-2442
Number of pages7
Issue number7
Publication statusPublished - 1991 Jul 1

All Science Journal Classification (ASJC) codes

  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry


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