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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >A supramolecular assembly bearing an organic TADF chromophore: synthesis, characterization and light-driven cooperative acceptorless dehydrogenation of secondary amines
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A supramolecular assembly bearing an organic TADF chromophore: synthesis, characterization and light-driven cooperative acceptorless dehydrogenation of secondary amines

机译：轴承有机Tadf发色团的超分子组件：仲胺的合成，表征和轻推式合作脱氢

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摘要

A noble-metal-free chromophore-catalyst supramolecular assembly, which is composed of an organic thermally activated delayed fluorescence (TADF) chromophore and cobaloximes, has been designed and synthesized for the first time for the efficient acceptorless dehydrogenation of secondary amines under blue light irradiation at room temperature. The TADF chromophore has a long lifetime of 17.4 s with suitable redox potentials for the selective acceptorless dehydrogenation of secondary amines to afford imines and H-2 through cooperative catalysis of the chromophore and cobaloximes in the supramolecular assembly. A high TON of 895 was obtained for the acceptorless dehydrogenation of 1,2,3,4-tetrahydroisoquinoline despite its high oxidation potential (+1.38 V vs. SCE).
机译：由有机热活化的延迟荧光（TADF）发色团和钴氧基组成的一种无贵金属的发色团催化剂超分子组件已经设计和合成，首次为蓝光照射下的仲胺的有效无胺脱氢而设计和合成 在室温下。 TADF发色团具有17.4秒的长寿，具有合适的氧化还原电位，用于通过在超分子组件中的发色团和钴氧基的合作催化来提供仲胺和H-2的选择性无胺脱氢。 尽管其高氧化潜力（+1.38V与SCE）获得了1,2,3,4-四氢异喹啉的唯一895的高吨895。

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