Metal-organic frameworks enable regio- and stereo-selective functionalization of aldehydes and ketones
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Guo, Jun
Zhang, Jiangwei
Qiu, Xueying
Zhang, Xiaofei
Han, Jianyu
Zhang, Binhao
Long, Chang
Shi, Yanan
Yang, Zhongjie
Zhao, Wenshi
Tang, Zhiyong
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Abstract
Selective C–C bond establishment from plentiful carbonyl compounds, which represents a crucial route to get the value-added products, is still far from satisfying both academic and industrial needs. Here, confirmed by both experiment and theoretical calculation, we report versatile and efficient asymmetric cross-coupling between carbonyl radicals (from aldehydes) and aryl radicals (from aryl halides) by adopting porous chiral metal-organic frameworks (MOFs) as catalysts under light illumination. In addition, these MOFs work well in catalyzing secondary amine-mediated asymmetric β- and α-carbonyl arylation of saturated aldehydes and ketones, thanks to the switchable features of both photoabsorbing metal-nitrogen clusters and chiral organic ligands inside MOFs. This work opens the avenue toward the rational design of heterogeneous catalysts for precise regio- and stereo-selective syntheses.
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Chem
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8
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6
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Catalysis and mechanisms of reactions
Science & Technology
Physical Sciences
Chemistry, Multidisciplinary
Chemistry
ALPHA-ALKYLATION
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Zhang, Y; Guo, J; Zhang, J; Qiu, X; Zhang, X; Han, J; Zhang, B; Long, C; Shi, Y; Yang, Z; Zhao, W; Tang, Z, Metal-organic frameworks enable regio- and stereo-selective functionalization of aldehydes and ketones, Chem, 2022, 8 (6), pp. 1688-1704