Synthesis, Structures and Conformational Analysis of p-Tolylethynyl Fe-S Complexes (μ-p-CH3C6H4C=CS) (μ-RS)Fe2(CO)6

Abstract

Abstract: It has been found that alkynyl Grignard reagent p-CH₃C₆H₄C=CMgBr cleaves the S-Sbond of μ-S₂Fe₂(CO)₆ to give an "open" type of intermediates (μ-p-CH₃C₆H₄C=CS)(μ-XMgS)Fe₂(CO)₆. The intermediates further react with various organic halides to yield eleven new "open" Fe-Sclusters with the general formula (μ-p-CH₃C₆H₄C=CS)(μ-RS)Fe₂(CO)₆. The structures of all the complexes were characterized by IR, ¹H NMR, ¹³CNMRand elemental analysis. According to chemical shifts and integrated values of related signals of ¹H NMRthe possible isomers and the isomer ratios of some clusters have been determined.

Key words: Fe-S complex, Synthesis, Structure, Conformation

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Song Licheng, Wang Zhongxia, Wang Jitao . Synthesis, Structures and Conformational Analysis of p-Tolylethynyl Fe-S Complexes (μ-p-CH₃C₆H₄C=CS) (μ-RS)Fe₂(CO)₆[J]. Chem. J. Chinese Universities, 1988, 9(9): 915.

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Synthesis, Structures and Conformational Analysis of p-Tolylethynyl Fe-S Complexes (μ-p-CH₃C₆H₄C=CS) (μ-RS)Fe₂(CO)₆

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