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A highly active diradical cobalt(iii) catalyst for the cycloisomerization of alkynoic acids†
Chemical Communications ( IF 4.3 ) Pub Date : 2018-07-03 00:00:00 , DOI: 10.1039/c8cc04459g
Nicolas Leconte 1, 2, 3, 4 , Amaury du Moulinet d'Hardemare 1, 2, 3, 4 , Christian Philouze 1, 2, 3, 4 , Fabrice Thomas 1, 2, 3, 4
Affiliation  

The first cobalt-catalysed cycloisomerisation of alkynoic acids is reported, thanks to the design of a well-defined diradical cobalt(III) catalyst, in the absence of any additives. The high efficiency, regioselectivity and chemoselectivity are comparable to those of noble metal-based systems. The unique reactivity might be attributed to second coordination sphere effects.

中文翻译:

高活性双自由基钴(iii)催化剂,用于炔酸的环异构化

据报道,由于在没有任何添加剂的情况下设计了定义明确的双自由基钴(III)催化剂,首次进行了钴催化的炔酸环异构化反应。高效,区域选择性和化学选择性可与基于贵金属的系统相媲美。独特的反应性可能归因于第二协调领域效应。
更新日期:2018-07-03
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