Issue 10, 2022
From the journal:

Chemical Communications

Controllable spontaneous resolution in ultrasmall Cu–Ag bimetallic cluster ion pairs from achiral components†

Jiao He,a   Cheng-Long Deng,a   Cun-Fa Sun,a   Xiao-Xiao Zhang,a   Ying Cui,a   Sheng-Hui Wu*a  and  Geng-Geng Luo ORCID logo *ab  

* Corresponding authors

a College of Materials Science and Engineering, Huaqiao University, Xiamen 361021, P. R. China
E-mail: ggluo@hqu.edu.cn
Fax: 86-592-6162225

b State Key Laboratory of Photocatalysis on Energy and Environment Fuzhou University, Fuzhou 350116, P. R. China

Abstract

Bimetallic cluster ion pairs containing a quaternary phosphonium and an ultrasmall Cu2Ag3 anionic cluster protected by thiolates: (PPh3R′′)[Cu2Ag3(SR′)6] (R′SH = cyclohexylthiol (CySH), R′′ = Ph, 1; Me, 2; Et, 3; Pr, 4; R′SH = tert-butylthiol (tBuSH) and R′′ = Ph, 5) were reported. Without any chiral source, 1 crystallizes as conglomerate crystals with homochiral packings and spontaneous resolution occurs, while four other clusters 2–5 crystallize as racemic crystals with heterochiral packings. These results indicate that racemic and homochiral crystallization in the cluster system could be controlled through fine-tuning internal achiral structural components.

Graphical abstract: Controllable spontaneous resolution in ultrasmall Cu–Ag bimetallic cluster ion pairs from achiral components

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Article information

DOI
https://doi.org/10.1039/D1CC05135K
Article type
Communication
Submitted
12 Sep 2021
Accepted
29 Dec 2021
First published
30 Dec 2021

Chem. Commun., 2022,58, 1577-1580

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Controllable spontaneous resolution in ultrasmall Cu–Ag bimetallic cluster ion pairs from achiral components

J. He, C. Deng, C. Sun, X. Zhang, Y. Cui, S. Wu and G. Luo, Chem. Commun., 2022, 58, 1577 DOI: 10.1039/D1CC05135K

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