Highly stable bidentate thiol-protected Ag5Cu4 nanoclusters: a stable catalyst for enhanced Knoevenagel condensation

Yan Nong; Juefei Dai; Chao Yang; Haifeng Su; Chengcheng Feng; Chuanhua Shi; Zhixun Zhang; Xianyong Yu; Xueji Zhang; Huayan Yang

doi:10.1039/D5CC00825E

Highly stable bidentate thiol-protected Ag₅Cu₄ nanoclusters: a stable catalyst for enhanced Knoevenagel condensation†

Yan Nong,‡^a Juefei Dai,‡^a Chao Yang,

‡*^a Haifeng Su,^b Chengcheng Feng,^a Chuanhua Shi,^a Zhixun Zhang,^a Xianyong Yu,^c Xueji Zhang*^a and Huayan Yang*^a

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* Corresponding authors

^a Shenzhen Key Laboratory of Nano-Biosensing Technology, School of Biomedical Engineering, Shenzhen University Medical School, Shenzhen University, Shenzhen 518060, China
E-mail: yanghuayan@szu.edu.cn, zhangxueji@szu.edu.cn, yangchao@szu.edu.cn

^b College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361000, China

^c Key Laboratory of Theoretical Organic Chemistry and Functional Molecules, Ministry of Education, Hunan University of Science and Technology, Xiangtan 411100, China

Abstract

The bidentate thiol-protected Ag₅Cu₄ nanocluster exhibits exceptional stability, achieving 91% yield in the Knoevenagel condensation of benzaldehyde and malononitrile (24 h). Upon carbon black immobilization, the yield rises to 97%, demonstrating enhanced catalytic synergy and robust heterogeneous catalysis.

Chemical Communications

Highly stable bidentate thiol-protected Ag₅Cu₄ nanoclusters: a stable catalyst for enhanced Knoevenagel condensation†

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Highly stable bidentate thiol-protected Ag₅Cu₄ nanoclusters: a stable catalyst for enhanced Knoevenagel condensation

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