<p><b>二氯二茂鈦</b>（英語：<span lang="en">Titanocene dichloride</span>）是一種化學式為(η<sup>5</sup>-C<sub>5</sub>H<sub>5</sub>)<sub>2</sub>TiCl<sub>2</sub>的<span data-orig-title="有机钛化合物" data-lang-code="en" data-lang-name="英語" data-foreign-title="organotitanium compound"><span>有機鈦化合物</span></span>，常寫為Cp<sub>2</sub>TiCl<sub>2</sub>。這種茂金屬是有機金屬化學與有機合成中的常用試劑。其性質為亮紅色固體，在空氣中會緩慢的水解。Cp<sub>2</sub>TiCl<sub>2</sub>並不會形成二茂鐵那樣的「三明治」結構，由於其4個配體圍繞一個金屬中心，會形成一個四面體結構。由於其具有一定的抗腫瘤活性，已經作為化療藥物進入臨床試驗。
</p>
<h2><span id=".E5.8F.82.E8.80.83.E6.96.87.E7.8C.AE"></span><span id="参考文献">參考文獻</span></h2>

<h2><span id=".E5.BB.B6.E4.BC.B8.E9.98.85.E8.AF.BB"></span><span id="延伸阅读">延伸閱讀</span></h2>
<ul><li>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).</li>
<li><cite class="citation journal">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, <b>105</b> (25): 7295–7301. <span title="數位物件識別號">doi:10.1021/ja00363a015</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rfr_id=info%3Asid%2Fzh.wikipedia.org%3A%E4%BA%8C%E6%B0%AF%E4%BA%8C%E8%8C%82%E9%92%9B&amp;rft.atitle=Cyclopentadienyldichlorotitanium%28III%29%3A+a+free-radical-like+reagent+for+reducing+azo+%28N%3AN%29+multiple+bonds+in+azo+and+diazo+compounds&amp;rft.au=S.+Gambarotta%2C+C.+Floriani%2C+A.+Chiesi-Villa+and+C.+Guastini&amp;rft.date=1983&amp;rft.genre=article&amp;rft.issue=25&amp;rft.jtitle=J.+Am.+Chem.+Soc.&amp;rft.pages=7295-7301&amp;rft.volume=105&amp;rft_id=info%3Adoi%2F10.1021%2Fja00363a015&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal"><span> </span></span></li>
<li><cite class="citation journal">P. J. Chirik. Group 4 Transition Metal Sandwich Complexes: Still Fresh after Almost 60 Years. Organometallics. 2010, <b>29</b> (7): 1500–1517. <span title="數位物件識別號">doi:10.1021/om100016p</span>.</cite><span title="ctx_ver=Z39.88-2004&amp;rfr_id=info%3Asid%2Fzh.wikipedia.org%3A%E4%BA%8C%E6%B0%AF%E4%BA%8C%E8%8C%82%E9%92%9B&amp;rft.atitle=Group+4+Transition+Metal+Sandwich+Complexes%3A+Still+Fresh+after+Almost+60+Years&amp;rft.au=P.+J.+Chirik&amp;rft.date=2010&amp;rft.genre=article&amp;rft.issue=7&amp;rft.jtitle=Organometallics&amp;rft.pages=1500-1517&amp;rft.volume=29&amp;rft_id=info%3Adoi%2F10.1021%2Fom100016p&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal"><span> </span></span></li></ul><!-- 
NewPP limit report
Parsed by mw2374
Cached time: 20230505230248
Cache expiry: 1814400
Reduced expiry: false
Complications: []
CPU time usage: 0.355 seconds
Real time usage: 0.549 seconds
Preprocessor visited node count: 4937/1000000
Post‐expand include size: 112940/2097152 bytes
Template argument size: 13888/2097152 bytes
Highest expansion depth: 16/100
Expensive parser function count: 14/500
Unstrip recursion depth: 0/20
Unstrip post‐expand size: 2474/5000000 bytes
Lua time usage: 0.141/10.000 seconds
Lua memory usage: 19229370/52428800 bytes
Number of Wikibase entities loaded: 0/400
--><!--
Transclusion expansion time report (%,ms,calls,template)
100.00%  389.461      1 -total
 42.78%  166.595      1 Template:Chembox
 24.24%   94.414      1 Template:Lang-en
 19.66%   76.584      1 Template:Chembox_Identifiers
 14.56%   56.708      1 Template:Reflist
  9.77%   38.052      3 Template:Navbox
  9.67%   37.659      1 Template:Cite_book
  8.80%   34.274     81 Template:Chembox_entry
  6.78%   26.392      7 Template:Le
  6.46%   25.152      1 Template:Chembox_Properties
-->
**二氯二茂鈦**（英語：Titanocene dichloride）是一種化學式為 (η5-C5H5)2TiCl2 的有機鈦化合物，常寫為 Cp2TiCl2。這種茂金屬是有機金屬化學與有機合成中的常用試劑。其性質為亮紅色固體，在空氣中會緩慢的水解。Cp2TiCl2 並不會形成二茂鐵那樣的「三明治」結構，由於其 4 個配體圍繞一個金屬中心，會形成一個四面體結構。由於其具有一定的抗腫瘤活性，已經作為化療藥物進入臨床試驗。

## 參考文獻

## 延伸閱讀

* 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.
1271-19-8