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四茂铀

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四茂铀
IUPAC名
Tetrakis(η5-cyclopentadienyl)uranium(IV)
别名 Tetracyclopentadienyluranium
U(Cp)4
识别
CAS号 1298-76-6  ✓
SMILES
性质
化学式 C20H20U
外观 红色晶体
若非注明,所有数据均出自一般条件(25 ℃,100 kPa)下。

四茂铀,化学式 U(C5H5)4,简称 U(Cp)4,是一种有机铀化合物,由四个茂基和一个铀原子组成。

制备和性质

四茂铀于1962年由恩斯特·奥托·菲舍尔首次制备,他使四氯化铀与过量的环戊二烯钾在苯中反应,并以6%的产率获得了红色晶体:[1][2]

UCl4 + 4 KCp → U(Cp)4 + 4 KCl

U(Cp)4 固体对空气稳定,但是苯溶液对空气非常敏感.

用铀金属还原 U(Cp)4 可以得到三茂铀,化学式 U(Cp)3[1]

参考资料

  1. ^ 1.0 1.1 Seyferth, Dietmar. Uranocene. The First Member of a New Class of Organometallic Derivatives of the f Elements. Organometallics. 2004-07-01, 23 (15): 3562–3583. ISSN 0276-7333. doi:10.1021/om0400705可免费查阅. 
  2. ^ Fischer, Ernst Otto; Hristidu, Yani. Notizen: Über Aromatenkomplexe von Metallen LVII. Uran-tetracyclopentadienyl. Zeitschrift für Naturforschung B. 1962-04-01, 17 (4): 275–276. ISSN 1865-7117. doi:10.1515/znb-1962-0410. 
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四茂铀
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