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首页> 外文期刊>Journal of Organometallic Chemistry >Facile syntheses of four-membered aurathietane dioxide [Au-CHR-SO2-CHR] ring systems, and the first isonitrile insertion reaction into a gold(III)-carbon bond
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Facile syntheses of four-membered aurathietane dioxide [Au-CHR-SO2-CHR] ring systems, and the first isonitrile insertion reaction into a gold(III)-carbon bond

机译：轻松合成四元金氧合硫杂环丁烷[Au-CHR-SO2-CHR]环系统，以及第一个将异腈插入金（III）-碳键中

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摘要

Cyclometallated gold(III) complexes derived from 2-benzylpyridine, 2-anilinopyridine [AuCl2(C5H4N-X-C6H4)] [X = CH2 (2-bp) or NH (2-anp)] or 2-p-tolylpyridine (tolpy) [AuCl2(C5H4NC6H3CH3)] react with the sulfones RCH2SO2CH2R (R = CN or COPh) in hot methanol with added trimethylamine base to give new aurathietanedioxide complexes containing the Au(CHRSO2CHR) four-membered ring system. The previously reported cyclo-aurated dimethylbenzylamine (MeO-damp) complex [Au{CH(COPh)SO2CH(COPh)}-(Me,NCH2C6H3OMe)] was also synthesised by this method, and found to exist as a mixture of major (trans) and minor (cis) isomers with respect to the orientation of the COPh substituents across the four-membered ring. The reaction of one complex with (BuNC)-Bu-t in refluxing dichloromethane results in insertion of the isonitrile into the Au-C bond trans to the phenyl ring, followed by proton transfer. An X-ray crystal structure determination on this product was carried out. (c) 2005 Elsevier B.V. All rights reserved.
机译：衍生自2-苄基吡啶，2-苯胺吡啶[AuCl2（C5H4N-X-C6H4）] [X = CH2（2-bp）或NH（2-anp）]或2-p-甲苯基吡啶（tolpy ）[AuCl2（C5H4NC6H3CH3）]在加热的甲醇中与砜RCH2SO2CH2R（R = CN或COPh）反应，并加入三甲胺碱，生成新的含四（Au（CHRSO2CHR）四元环系统的四硫杂环丁烷二氧化物络合物。还通过此方法合成了先前报道的环加成的二甲基苄基胺（MeO-damp）络合物[Au {CH（COPh）SO2CH（COPh）}-（Me，NCH2C6H3OMe），并以主要（反式）的混合物形式存在）和次要（顺式）异构体，它们是贯穿四元环的COPh取代基的方向。一种配合物与（BuNC）-Bu-t在回流二氯甲烷中的反应导致异腈插入反式至苯环的Au-C键中，然后进行质子转移。对该产物进行X射线晶体结构测定。 （c）2005 Elsevier B.V.保留所有权利。

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