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二氯二茂钛

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二氯二茂钛
IUPAC名
Dichloridobis(η5-cyclopentadienyl)titanium
别名 titanocene dichloride, dichlorobis(cyclopentadienyl)titanium(IV)
识别
CAS号 1271-19-8  ✓
PubChem 5284468
ChemSpider 34981141
SMILES
InChI
InChIKey YMNCCEXICREQQV-JUFMQDBHAK
RTECS XR2050000
性质
化学式 C10H10Cl2Ti
摩尔质量 248.96 g/mol g·mol⁻¹
外观 bright red solid
密度 1.60 g/cm3, solid
熔点 289 °C(562 K)
溶解性 sl. sol. with hydrolysis
结构
晶体结构 Triclinic
配位几何 Dist. tetrahedral
危险性
警示术语 R:R37, R38
安全术语 S:S36
NFPA 704
NFPA 704.svg
0
2
1
 
相关物质
相关化学品 二茂铁
二氯二茂锆
二氯二茂铪
二氯二茂钒
二氯二茂铌
二氯二茂钽
二氯二茂钼
二氯二茂钨
TiCl4
若非注明,所有数据均出自一般条件(25 ℃,100 kPa)下。

二氯二茂钛(英语:Titanocene dichloride)是一种化学式为(η5-C5H5)2TiCl2有机钛化合物英语organotitanium compound,常写为Cp2TiCl2。这种茂金属有机金属化学有机合成中的常用试剂。其性质为亮红色固体,在空气中会缓慢的水解[1]。Cp2TiCl2并不会形成二茂铁那样的“三明治”结构,由于其4个配体围绕一个金属中心,会形成一个四面体结构[2]。由于其具有一定的抗肿瘤活性,已经作为化疗药物进入临床试验。

参考文献

  1. ^ S. Budaver, ed. The Merck Index (11th ed.). Merck & Co, Inc. 1989. 
  2. ^ Clearfield; Warner, David Keith; Saldarriaga-Molina, Carlos Herman; Ropal, Ramanathan; Bernal, Ivan; et al. Structural Studies of (π-C5H5)2 MX2 Complexes and their Derivatives. The Structure of Bis(π-cyclopentadienyl)titanium Dichloride. Canadian Journal of Chemistry. 1975, 53 (11): 1621–1629. doi:10.1139/v75-228. 

延伸阅读

  • Payack, J. F.; Hughes, D. L.; Cai, D.; Cottrell, I. F.; Verhoeven, T. R. "Dimethyltitanocene Titanium, bis(η5-2,4-cyclopentadien-1-yl)dimethyl-" Organic Syntheses, Coll. Vol. 10, p. 355 (2004); Vol. 79, p. 19 (2002).
  • S. Gambarotta, C. Floriani, A. Chiesi-Villa and C. Guastini. Cyclopentadienyldichlorotitanium(III): a free-radical-like reagent for reducing azo (N:N) multiple bonds in azo and diazo compounds. J. Am. Chem. Soc. 1983, 105 (25): 7295–7301. doi:10.1021/ja00363a015. 
  • P. J. Chirik. Group 4 Transition Metal Sandwich Complexes: Still Fresh after Almost 60 Years. Organometallics. 2010, 29 (7): 1500–1517. doi:10.1021/om100016p. 
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二氯二茂钛
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