Janus-type homo-, hetero- and mixed valence-bimetallic complexes with one metal encapsulated in a cyclodextrin

Wen, Zhonghang; Maisonhaute, Emmanuel; Zhang, Yongmin; Roland, Sylvain; Sollogoub, Matthieu

doi:10.1039/d2cc00219a

Chem. Commun.

2022

DOI: 10.1039/d2cc00219a

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Janus-type homo-, hetero- and mixed valence-bimetallic complexes with one metal encapsulated in a cyclodextrin

Zhonghang Wen

Emmanuel Maisonhaute

Yongmin Zhang

et al.

Abstract: Bis-azolium salts with one azolium capping a perbenzylated -cyclodextrin have been designed to generate Janus-type bimetallic complexes with various combinations of copper, silver, gold or palladium salts. Encapsulation of one...

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Cited by 3 publications

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Recent Progress in Synthetic Applications of Hypervalent Iodine(III) Reagents

Yoshimura,

Zhdankin

2024

Chem. Rev.

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Hypervalent iodine(III) compounds have found wide application in modern organic chemistry as environmentally friendly reagents and catalysts. Hypervalent iodine reagents are commonly used in synthetically important halogenations, oxidations, aminations, heterocyclizations, and various oxidative functionalizations of organic substrates. Iodonium salts are important arylating reagents, while iodonium ylides and imides are excellent carbene and nitrene precursors. Various derivatives of benziodoxoles, such as azidobenziodoxoles, trifluoromethylbenziodoxoles, alkynylbenziodoxoles, and alkenylbenziodoxoles have found wide application as group transfer reagents in the presence of transition metal catalysts, under metal-free conditions, or using photocatalysts under photoirradiation conditions. Development of hypervalent iodine catalytic systems and discovery of highly enantioselective reactions using chiral hypervalent iodine compounds represent a particularly important recent achievement in the field of hypervalent iodine chemistry. Chemical transformations promoted by hypervalent iodine in many cases are unique and cannot be performed by using any other common, non-iodine-based reagent. This review covers literature published mainly in the last 7−8 years, between 2016 and 2024.

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Recent Progress in Synthetic Applications of Hypervalent Iodine(III) Reagents

Yoshimura,

Zhdankin

2024

Chem. Rev.

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Simple and easy functionalization of para-hydroxy POCOP-M (M = Ni(ii), Pd(ii)) pincer complexes: synthesis of multimetallic species

Serrano-García,

García-Eleno,

Arenaza-Corona

et al. 2025

Dalton Trans.

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Gold Complexes with Hydrophilic N-Heterocyclic Carbene Ligands and Their Contribution to Aqueous-Phase Catalysis

Crochet

Cadierno

2023

Catalysts

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N-Heterocyclic carbenes (NHCs) are nowadays one of the most widely employed ligands in organometallic chemistry and homogeneous catalysis due to the inherent stability of the metal-carbene bond and the ease of modification of the backbone as well as the N-wingtips substituents of these ligands. The functionalization of NHCs with hydrophilic groups offers the possibility of using NHC-metal complexes in aqueous catalysis, a hot topic within the Green Chemistry context due to the positive implications associated with the use of water as a reaction medium. In line with the enormous interest aroused by gold complexes in catalysis, significant efforts have been directed in the last years to the design and application of hydrophilic NHC-gold catalysts. This review is aimed to summarize the research in this area. The catalytic applications of water-soluble gold nanoparticles stabilized by hydrophilic NHCs are also covered.

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Janus-type homo-, hetero- and mixed valence-bimetallic complexes with one metal encapsulated in a cyclodextrin

Abstract: Bis-azolium salts with one azolium capping a perbenzylated -cyclodextrin have been designed to generate Janus-type bimetallic complexes with various combinations of copper, silver, gold or palladium salts. Encapsulation of one...

Cited by 3 publications

References 58 publications

Recent Progress in Synthetic Applications of Hypervalent Iodine(III) Reagents

Recent Progress in Synthetic Applications of Hypervalent Iodine(III) Reagents

Simple and easy functionalization of para-hydroxy POCOP-M (M = Ni(ii), Pd(ii)) pincer complexes: synthesis of multimetallic species

Gold Complexes with Hydrophilic N-Heterocyclic Carbene Ligands and Their Contribution to Aqueous-Phase Catalysis

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