Evidence for the Formation of Terminal Hydrides by Protonation of an Asymmetric Iron Hydrogenase Active Site Mimic
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- 作者：Salah Ezzaher ; Jean-Franç ; ois Capon ; Fré ; dé ; ric Gloaguen ; Franç ; ois Y. Pé ; tillon ; Philippe Schollhammer ; Jean Talarmin ; Roger Pichon ; Nelly Kervarec
- 刊名：Inorganic Chemistry
- 出版年：2007
- 出版时间：April 30, 2007
- 年：2007
- 卷：46
- 期：9
- 页码：3426 - 3428
- 全文大小：83K
- 年卷期：v.46,no.9(April 30, 2007)
- ISSN：1520-510X
文摘
Treatment of [Fe2(
-pdt)(CO)6] [pdt = S(CH2)3S] with dppe(Ph2PCH2CH2PPh2) in refluxing toluene affords the asymmetriccomplex [Fe2(-pdt)(CO)4(dppe)] (1). Protonation of 1 with HBF4-Et2O in CH2Cl2 gives at room temperature the -hydrido derivative[Fe2(-pdt)(CO)4(dppe)(-H)](BF4) (2). Monitoring the reaction by1H, 31P, and 13C NMR at low temperature reveals unambiguouslythat the process of the protonation of 1 implies terminal hydrideintermediates.
-pdt)(CO)6] [pdt = S(CH2)3S] with dppe(Ph2PCH2CH2PPh2) in refluxing toluene affords the asymmetriccomplex [Fe2(-pdt)(CO)4(dppe)] (1). Protonation of 1 with HBF4-Et2O in CH2Cl2 gives at room temperature the -hydrido derivative[Fe2(-pdt)(CO)4(dppe)(-H)](BF4) (2). Monitoring the reaction by1H, 31P, and 13C NMR at low temperature reveals unambiguouslythat the process of the protonation of 1 implies terminal hydrideintermediates.