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二羰基二茂钛

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二羰基二茂钛
IUPAC名
dicarbonylbis (η5- cyclopentadienyl) titanium
别名 Dicarbonyldi- π-cyclopentadienyltitanium
Dicarbonylbis (η5- cyclopentadienyl) titanium(IV)
识别
CAS号 12129-51-0  ✓
性质
化学式 C12H10O2Ti
摩尔质量 234.09 g·mol⁻¹
外观 栗色易自燃固体
熔点 90 °C
沸点 40-80 °C 升华(0.001 mm Hg)
溶解性 不溶
溶解性(其他溶剂) 四氢呋喃
结构
配位几何 四面体
危险性
主要危害 可燃
相关物质
相关化学品 Cp2TiCl2
若非注明,所有数据均出自一般条件(25 ℃,100 kPa)下。

二羰基双(环戊二烯基)钛是一种钛的配合物,化学式为(η5-C5H5)2Ti(CO)2,可缩写为Cp2Ti(CO)2。这种栗色固体对空气敏感,可溶于脂肪族芳香族溶剂。[1]它已经被用于亚砜的脱氧,芳香的还原偶联和醛的还原。

结构与制备

Cp2Ti(CO)2可在一氧化碳气氛中,用金属还原二氯二茂钛制得。[2]

(C5H5)2TiCl2 + Mg + 2 CO → (C5H5)2Ti(CO)2 + MgCl2

Cp2Ti(CO)2和Cp2TiCl2都是四面体型的,与的相关化合物类似。

参考资料

  1. ^ Sikora, D.J.; Moriarty, K.J.; Rausch, M.D. (1990). "Reagents for Transition Metal complex and Organometallic syntheses." Inorganic Sytheses. 28. pp. 250-251.
  2. ^ Dicarbonylbis(cyclopentadienyl)titanium. Encyclopedia of Reagents for Organic Synthesis. John Wiley & Sons, Ltd. 2001. doi:10.1002/047084289X.rd073. 
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二羰基二茂钛
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