New synthesis of [SFe3(CO)9]2- and its reactivity toward electrophiles

Jiann Jang Cherng, Yi Chou Tsai, Chuen Her Ueng, Gene Hsiang Lee, Shie Ming Peng, Minghuey Shieh

研究成果: 雜誌貢獻文章

34 引文 斯高帕斯(Scopus)


The reaction of Na2SO3 with Fe(CO)5/KOH in methanol forms the tetrahedral cluster [SFe3(CO)9]2- in good yield. Acidification of [SFe3(CO)9]2- with H+ forms the monohydrido cluster [SFe3(μ-H)(CO)9]- (I) and the dihydrido cluster SFe3(μ-H)2(CO)9. Further methylation of [SFe3(CO)9]2- with MeSO3CF3 produces the sulfur-methylated cluster [MeSFe3(CO)9]- (II). When [SFe3(CO)9]2- is treated with Ru3(CO)12 in refluxing acetone, the octahedral cluster [SFe2Ru3(CO)14]2- (III) is obtained. Subsequent methylation of III with MeSO3CF3 gives the octahedral cluster [MeSFe2Ru3(CO)14]- (IV), in which the sulfur atom is pentacoordinated to one methyl group and two Ru and two Fe atoms. Clusters I-IV have been fully structurally characterized by spectroscopic methods and X-ray analysis. In this paper, the basic sites of [SFe3(CO)9]2- are studied in terms of the differing electrophiles, and a novel pentacoordinate bonding mode of the sulfur atom is also found in cluster IV.

頁(從 - 到)255-261
出版狀態已發佈 - 1998 一月 19

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry

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