https://arolstar52-zhtest.hf.space/index.php?action=history&feed=atom&title=SPANphos 2026-07-19T05:41:18Z 本wiki上该页面的版本历史 MediaWiki 1.43.9 https://arolstar52-zhtest.hf.space/index.php?title=SPANphos&diff=791716&oldid=prev 2023-05-04T03:16:02Z

<p></p> <p><b>新页面</b></p><div>{{chembox<br /> | verifiedrevid = 409102763<br /> | IUPACName = 4,4,4&#039;,4&#039;,6,6&#039;-Hexamethyl-2,2&#039;-spirobichroman-8,8&#039;-diylbis(diphenylphosphane)<br /> | ImageFile = SPANphos.svg<br /> | Section1 = {{Chembox Properties<br /> | Formula = C&lt;sub&gt;47&lt;/sub&gt;H&lt;sub&gt;46&lt;/sub&gt;O&lt;sub&gt;2&lt;/sub&gt;P&lt;sub&gt;2&lt;/sub&gt;<br /> | MolarMass = 704.814<br /> }}<br /> }}<br /> <br /> &#039;&#039;&#039;SPANphos&#039;&#039;&#039;是[[有机金属化学]]和[[配位化学]]中的[[有机膦]][[配体]]。SPANphos可形成[[跨對位配體]]。<br /> <br /> ==合成==<br /> <br /> 该C&lt;sub&gt;2&lt;/sub&gt;-反式对称-[[二膦|二膦配体]]是一种由廉价试剂合成的化合物。首先通过酸催化下，[[对甲酚]]与[[丙酮]]合成出4,4,4&#039;,4&#039;,6,6&#039;-六甲基-2,2&#039;-螺双苯并二氢吡喃。然后用[[N-溴代丁二醯亞胺|NBS]]溴化螺烷得到二溴物，继而和[[正丁基锂]]甲基化得到二锂化衍生物。最后用{{le|氯代二苯基膦|Chlorodiphenylphosphine}}处理得到的二锂化衍生物完成合成。&lt;ref&gt;{{cite journal | author = Z. Freixa, M. S. Beentjes, G. D. Batema, C. B. Dieleman, G. P. F. v. Strijdonck, J. N. H. Reek, P. C. J. Kamer, J. Fraanje, K. Goubitz and P. W. N. M. Van Leeuwen | title = SPANphos: A &#039;&#039;C&#039;&#039;&lt;sub&gt;2&lt;/sub&gt;-Symmetric &#039;&#039;trans&#039;&#039;-Coordinating Diphosphane Ligand | journal = [[Angewandte Chemie]] | year = 2003 | volume = 42 | issue = 11 | pages = 1322–1325 |doi = 10.1002/anie.200390330 | pmid = 12645065 }}&lt;/ref&gt;<br /> <br /> :[[Image:Synthesis of SPANphos.png|500px]]<br /> <br /> ==参考文献==<br /> &lt;references/&gt;<br /> <br /> [[Category:二膦烷]]<br /> [[Category:二苯基膦基化合物]]</div>

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