Triosmium compounds containing the oxametallacycle [Os(CO)3{C(R)CHC(O)CHC(H)C5H4FeC5H5}] moiety. Synthesis and electrochemical studies |
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Authors: | Beatriz Alonso Esther Delgado Elisa Hernández Rubén A Toscano |
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Institution: | a Departamento de Química Inorgánica, Facultad de Ciencias, Universidad Autónoma de Madrid, 28049 Madrid, Spain b Instituto de Química-UNAM, Circuito Exterior, Ciudad Universitaria, Coyoacán, C.P. 04510, México, DF, Mexico |
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Abstract: | The compounds Os3(CO)10{μ,η3-(SCH2CH2SCCHC(O)CHCH(C5H4)Fe (C5H5)}] (2), Os3(CO)9{μ,η3-(SCH2CH2SCCHC(O)CHCH(C5H4)Fe(C5H5)}] (3) and Os3(CO)8{μ3,η2-{CCHC(O)CHCH(C5H4)Fe(C5H5)}(SCH2CH2S)}] (4) have been obtained by rupture of S-C bonds in the ketene dithioacetal C5H5FeC5H4CHCHC(O)CHC(SCH2CH2S)], in their reaction with the activated cluster Os3(CO)10(NCMe)2]. The presence of an oxametallacycle in these derivatives has been confirmed by an X-ray diffraction analysis. The electrochemical study has indicated the ability of these compounds to modify the electrode surfaces. |
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Keywords: | Osmium carbonyls Vinylidene triosmium compound Ketene dithioacetal |
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