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  Observation of Asymmetric Oxidation Catalysis with B20 Chiral Crystals

Li, G., Yang, Q., Manna, K., Zhang, Y., Merz, P., Shekhar, C., et al. (2023). Observation of Asymmetric Oxidation Catalysis with B20 Chiral Crystals. Angewandte Chemie, International Edition in English, 62(27): e202303296, pp. 1-7. doi:10.1002/anie.202303296.

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 Creators:
Li, Guowei1, Author
Yang, Qun2, Author           
Manna, Kaustuv1, Author
Zhang, Yudi1, Author
Merz, Patrick2, Author           
Shekhar, Chandra3, Author           
Zhang, Yang1, Author
Lv, Hua2, Author           
Markou, Anastasios2, Author           
Sun, Yan2, Author           
Felser, Claudia4, Author           
Affiliations:
1External Organizations, ou_persistent22              
2Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863425              
3Chandra Shekhar, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863428              
4Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863429              

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Free keywords: Asymmetric Oxidation, Chiral Crystals, Orbital Angular Momentum Polarization, PdGa, Spin Polarization
 Abstract: Abstract The study of heterogeneous reactions for enantiomeric processes based on inorganic crystals has been resurgent in recent years. However, the question remains how homochirality develops in nature and chemical reactions. Here, the successful growth of B20 group PdGa single crystals with different chiral lattices enabled us to achieve enantioselective recognition of 3,4-dihydroxyphenylalanine (DOPA) based on a new mechanism, namely orbital angular momentum (OAM) polarization. The orbital textures of PdGa crystals indicate large OAM polarization near the Fermi level and carrying opposite signs. A positive or negative magnetization in the [111] direction is expected depending on the chiral lattice of PdGa crystals. Due to this, the adsorption energies of PdGa crystals and DOPA molecules differ depending on how well the O-2p orbital of DOPA pairs with the Pd-4d orbital of PdGa. The results provide one possible explanation for how chirality arises in nature by providing an enantioselective route with pure inorganic crystals.

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Language(s): eng - English
 Dates: 2023-04-272023-04-27
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1002/anie.202303296
 Degree: -

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Title: Angewandte Chemie, International Edition in English
  Abbreviation : Angew. Chem., Int. Ed. Engl.
Source Genre: Journal
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Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 62 (27) Sequence Number: e202303296 Start / End Page: 1 - 7 Identifier: ISSN: 0570-0833
CoNE: https://pure.mpg.de/cone/journals/resource/0570-0833