Synthesis of a Chiral Polyoxovanadate Derivative by Covalently Modification with a Chiral Amino Acid Ester

Xiao, Zhao; Huang, Bo; Wang, Yu; Yu, Chiang; Zhai, Tianyuan; Hu, Xiaokang; Ke, Degang; Wu, Pingfan

doi:10.1007/s10876-019-01536-5

Cited by 2 publications

(1 citation statement)

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“…For instance, Cronin and co‐workers reported chirality introduction through covalently bonded amino acids and peptides to Anderson‐type polyoxomolybdates. [ 141 ] Very recently, through condensation of l ‐leucine methyl ester and Lindqvist‐type hexavanadate, Wu and co‐workers [ 142 ] reported a chiral POM hybrid and found the different enantiomers of supramolecular assemblies. Besides, chiral ligand–metal complexes can act as a “bridge” for chiral transfer.…”

Section: Versatile Chemistry Of Chiral Ceramic Nanostructuresmentioning

confidence: 99%

Chiral Nanoceramics

Fan

Kotov

2020

Advanced Materials

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Jinchen Fan received his Ph.D. degree from Shanghai Jiao Tong University in 2014. He is now an associate professor at Shanghai University of Electric Power, China. He joined Prof. Kotov's group as a visiting scholar from October 2017 to October 2019. His current research focus is on the fabrication of chiral nanoceramics and their applications in chiroptical activity and catalysis. 2.2. Chiral Assemblies and Soft Templates Most of organic amphiphiles can be assembled into chiral superstructures. [43] This series of superstructures can be used as soft templates in the preparation of helical ceramic nanomaterials including, SiO 2 , [44] Ta 2 O 5 , [45] TiO 2 , [46] ZrO 2 , [47] and poly(bi ssilsesquioxane) [48] via the sol-gel transcription approach. Similarly, bio-macromolecules, such as peptides and DNA can serve as templates for realizing chiral ZnO [49] and silica structures. [50] Chiral synthesis with sodium cholate (SC) also serves as a representative example of this method. Because of its amphiphilic character, SC self-assembles into a unique bilayer structure through the hydrogen bonding between hydroxyl groups. [51] Huang and co-workers [51b] used the SC assembled via coordination with calcium ions, well-defined helical nanoribbons for creating additional helical SiO 2 and ZnS by sol-gel process. Methods of chirality transfer from soft templates often include self-organization ceramic building blocks based on hydrogen bonding, van der Waals forces, π-π stacking, hydrophobic effect, electrostatic and Coulomb interactions, and metal coordination. [41] One of representative examples of chiral assembly is the preparation of chiral nanostructured silica that proceeds via Nicholas A. Kotov pioneered conceptual foundations and technical realizations of biomimetic nanostructures, which include chiral nanomaterials. Chiral ceramic nanostructures are being investigated in his laboratory for optical, magnetic, biological, and catalytic properties. His contribution to technology include nacremimetic nanocomposites including those from graphene oxide, 3D tissue replicas for drug-testing, chiral biosensors, and cartilage-like electrolytes for batteries. He is a founder of several start-up companies that commercialized bioinspired nanomaterials for biomedical, energy, and automotive technologies.

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Section: Versatile Chemistry Of Chiral Ceramic Nanostructuresmentioning

confidence: 99%