Rhodium(III)-catalysed decarbonylative coupling of maleic anhydrides with alkynes

Rhodium(III)-catalysed decarbonylative coupling of maleic anhydrides with alkynes
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DOI:
10.1039/c4ra06452f
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发表时间:
2014-08
期刊:
影响因子:
3.9
通讯作者:
T. Matsuda;Kentaro Suzuki
T. Matsuda;Kentaro Suzuki
中科院分区:
化学3区
文献类型:
--
作者:
T. Matsuda;Kentaro Suzuki

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报道了用[5−1 + 2]环法制备取代α-吡咯酮的方法。该反应涉及取代马来酸酐与内炔在铑(III)催化剂和铜(II)盐存在下的脱羰偶联反应,生成三取代和四取代α-吡啶酮。
A formal [5 − 1 + 2] annulation for the preparation of substituted α-pyrones is reported. The reaction involves the decarbonylative coupling of substituted maleic anhydrides with internal alkynes in the presence of a rhodium(III) catalyst and a copper(II) salt, affording tri- and tetrasubstituted α-pyrones.