二茂鈹是一種金屬有機化合物,化學式為Be(C5H5)2,它最初在1959年被製得。[1]
二茂鈹可由氯化鈹和環戊二烯基鈉在苯或乙醚中反應製得:[2]
![{\displaystyle \mathrm {BeCl_{2}+\ 2\ Na(C_{5}H_{5})\ {\xrightarrow[{}]{Et_{2}O}}Be(C_{5}H_{5})_{2}+2\ NaCl} }](https://backend.710302.xyz/https/wikimedia.org/api/rest_v1/media/math/render/svg/33e08a4ccd04cd296a33378ea95ba151f63644a2)
二茂鈹在水中劇烈反應,生成氫氧化鈹和環戊二烯。[2]有文獻報道它理論上可以和鈹發生放熱反應,生成C5H5BeBeC5H5。[3]
- ^ Rafael Fernández, Ernesto Carmona. Recent Developments in the Chemistry of Beryllocenes. European Journal of Inorganic Chemistry. 2005-08, 2005 (16): 3197–3206 [2020-09-29]. ISSN 1434-1948. doi:10.1002/ejic.200500329 (英語).
- ^ 2.0 2.1 Ernst Otto Fischer, Hermann P. Hofmann. Über Aromatenkomplexe von Metallen, XXV. Di-cyclopentadienyl-beryllium. Chemische Berichte. 1959-02, 92 (2): 482–486 [2020-09-29]. doi:10.1002/cber.19590920233 (德語).
- ^ Xie, Yaoming; Schaefer, Henry F.; Jemmis, Eluvathingal D. Characteristics of novel sandwiched beryllium, magnesium, and calcium dimers: C5H5BeBeC5H5, C5H5MgMgC5H5, and C5H5CaCaC5H5. Chemical Physics Letters. 2005, 402 (4-6): 414–421. ISSN 0009-2614. doi:10.1016/j.cplett.2004.11.106.