1
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Soai K. The Soai reaction and its implications with the life's characteristic features of self-replication and homochirality. Tetrahedron 2022. [DOI: 10.1016/j.tet.2022.133017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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2
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Aroulanda C, Lesot P. Molecular enantiodiscrimination by NMR spectroscopy in chiral oriented systems: Concept, tools, and applications. Chirality 2021; 34:182-244. [PMID: 34936130 DOI: 10.1002/chir.23386] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 09/20/2021] [Accepted: 10/15/2021] [Indexed: 11/06/2022]
Abstract
The study of enantiodiscriminations in relation to various facets of enantiomorphism (chirality/prochirality) and/or molecular symmetry is an exciting area of modern organic chemistry and an ongoing challenge for nuclear magnetic resonance (NMR) spectroscopists who have developed many useful analytical approaches to solve stereochemical problems. Among them, the anisotropic NMR using chiral aligning solvents has provided a set of new and original tools by making accessible all intramolecular, order-dependent NMR interactions (anisotropic interactions), such as residual chemical shift anisotropy (RCSA), residual dipolar coupling (RDC), and residual quadrupolar coupling (RQC) for spin I > 1/2, while preserving high spectral resolution. The force of NMR in enantiopure, oriented solvents lies on its ability to orient differently in average on the NMR timescale enantiomers of chiral molecules and enantiotopic elements of prochiral ones, leading distinct NMR spectra or signals to be detected. In this compendium mainly written for all chemists playing with (pro)chirality, we overview various key aspects of NMR in weakly aligning chiral solvents as the lyotropic liquid crystals (LLCs), in particular those developed in France to study (pro)chiral compounds in relation with chemists needs: study of enantiopurity of mixture, stereochemistry, natural isotopic fractionation, as well as molecular conformation and configuration. Key representative examples covering the diversity of enantiomorphism concept, and the main and most recent applications illustrating the analytical potential of this NMR in polypeptide-based chiral liquid crystals (CLCs) are examined. The latest analytical strategy developed to determine in-solution conformational distribution of flexibles solutes using NMR in polypeptide-based aligned solvents is also proposed.
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Affiliation(s)
- Christie Aroulanda
- RMN en Milieu Orienté, ICMMO, UMR CNRS 8182, Université Paris-Saclay, Orsay cedex, France
| | - Philippe Lesot
- RMN en Milieu Orienté, ICMMO, UMR CNRS 8182, Université Paris-Saclay, Orsay cedex, France
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3
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Pagola GI, Ferraro MB, Provasi PF, Pelloni S, Lazzeretti P. Physical achirality in geometrically chiral rotamers of hydrazine and boranylborane molecules. J Comput Chem 2021; 42:1772-1782. [PMID: 34235753 DOI: 10.1002/jcc.26709] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 06/09/2021] [Accepted: 06/15/2021] [Indexed: 11/11/2022]
Abstract
The diagonal components and the trace of tensors which account for chiroptical response of the hydrazine molecule N2 H4 , that is, static anapole magnetizability and frequency-dependent electric dipole-magnetic dipole polarisability, are a function of the ϕ ≡ ∠ H─N─N─H dihedral angle. They vanish for symmetry reasons at ϕ = 0° and ϕ = 180°, corresponding respectively to C2v and C2h point group symmetries, that is, cis and trans conformers characterized by the presence of molecular symmetry planes. Nonetheless, vanishing diagonal components have been observed also in the proximity of ∠ H─N─N─H = 90°, in which the point group symmetry is C2 and hydrazine is unquestionably chiral. In the boranylborane molecule B2 H4 , assuming the B─B bond in the y direction, the ayy component of the anapole magnetizability tensor approximately vanishes for dihedral angles ∠ H─B─B─H corresponding to chiral rotamers which belong to D2 symmetry. Such anomalous effects have been ascribed to physical achirality of these conformers, that is, to their inability to sustain electronic current densities inducing either anapole moments, or electric and magnetic dipole moments, about the chiral axis connecting heavier atoms, as well as perpendicular directions. In other terms, the structure of certain geometrically chiral rotamers may be such that neither toroidal nor helical flow, which determine chiroptical phenomenology, can take place in the presence of perturbing fields parallel or orthogonal to the chiral axis.
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Affiliation(s)
- Gabriel I Pagola
- Departamento de Física, Facultad de Ciencias Exactas y Naturales and IFIBA, CONICET, Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires, Argentina
| | - Marta B Ferraro
- Departamento de Física, Facultad de Ciencias Exactas y Naturales and IFIBA, CONICET, Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires, Argentina
| | - Patricio F Provasi
- Department of Physics, University of Northeast, IMIT - CONICET, Corrientes, Argentina
| | - Stefano Pelloni
- Istituto d'Istruzione Superiore Francesco Selmi, Modena, Italy
| | - Paolo Lazzeretti
- Dipartimento di Chimica e Biologia "A. Zambelli", Università degli Studi di Salerno, Fisciano, Italy
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4
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Buhse T, Cruz JM, Noble-Terán ME, Hochberg D, Ribó JM, Crusats J, Micheau JC. Spontaneous Deracemizations. Chem Rev 2021; 121:2147-2229. [DOI: 10.1021/acs.chemrev.0c00819] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Thomas Buhse
- Centro de Investigaciones Químicas−IICBA, Universidad Autónoma del Estado de Morelos, Avenida Universidad 1001, 62209 Cuernavaca, Morelos Mexico
| | - José-Manuel Cruz
- Facultad de Ciencias en Física y Matemáticas, Universidad Autónoma de Chiapas, Tuxtla Gutiérrez, Chiapas 29050, Mexico
| | - María E. Noble-Terán
- Centro de Investigaciones Químicas−IICBA, Universidad Autónoma del Estado de Morelos, Avenida Universidad 1001, 62209 Cuernavaca, Morelos Mexico
| | - David Hochberg
- Department of Molecular Evolution, Centro de Astrobiología (CSIC-INTA), Carretera Ajalvir, Km. 4, 28850 Torrejón de Ardoz, Madrid Spain
| | - Josep M. Ribó
- Institut de Ciències del Cosmos (IEEC-ICC) and Departament de Química Inorgànica i Orgànica, Universitat de Barcelona, Martí i Franquès 1, 08028 Barcelona, Catalunya Spain
| | - Joaquim Crusats
- Institut de Ciències del Cosmos (IEEC-ICC) and Departament de Química Inorgànica i Orgànica, Universitat de Barcelona, Martí i Franquès 1, 08028 Barcelona, Catalunya Spain
| | - Jean-Claude Micheau
- Laboratoire des IMRCP, UMR au CNRS No. 5623, Université Paul Sabatier, F-31062 Toulouse Cedex, France
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5
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Naret T, Lesot P, Puente AR, Polavarapu PL, Buisson DA, Crassous J, Pieters G, Feuillastre S. Chemical Synthesis of [ 2H]-Ethyl Tosylate and Exploration of Its Crypto-optically Active Character Combining Complementary Spectroscopic Tools. Org Lett 2020; 22:8846-8849. [PMID: 33141582 DOI: 10.1021/acs.orglett.0c03219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Small chiral molecules are excellent candidates to push the boundaries of enantiodiscrimination analytical techniques. Here is reported the synthesis of two new deuterated chiral probes, (R)- and (S)-[2H]-ethyl tosylate, obtained with high enantiomeric excesses. Due to their crypto-optically active properties, the discrimination of each enantiomer is challenging. Whereas their enantiopurity is determined by 2H NMR in chiral anisotropic media, their identification was performed by combining quantum chemical calculations and vibrational circular dichroism analysis.
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Affiliation(s)
- Timothée Naret
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SCBM, F-91191 Gif-sur-Yvette, France
| | - Philippe Lesot
- Université Paris-Saclay, ICMMO, UMR CNRS 8182, RMN en Milieu Orienté, F-91405 Orsay cedex, France
| | - Andrew R Puente
- Department of Chemistry, Vanderbilt University, Nashville, Tennessee 37235, United States
| | - Prasad L Polavarapu
- Department of Chemistry, Vanderbilt University, Nashville, Tennessee 37235, United States
| | - David-Alexandre Buisson
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SCBM, F-91191 Gif-sur-Yvette, France
| | - Jeanne Crassous
- Univ. Rennes, Institut des Sciences Chimiques de Rennes, UMR CNRS 6226, Campus de Beaulieu, F-35042 Rennes cedex, France
| | - Grégory Pieters
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SCBM, F-91191 Gif-sur-Yvette, France
| | - Sophie Feuillastre
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), SCBM, F-91191 Gif-sur-Yvette, France
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6
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Athavale SV, Simon A, Houk KN, Denmark SE. Structural Contributions to Autocatalysis and Asymmetric Amplification in the Soai Reaction. J Am Chem Soc 2020; 142:18387-18406. [PMID: 33108874 DOI: 10.1021/jacs.0c05994] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Diisopropylzinc alkylation of pyrimidine aldehydes-the Soai reaction, with its astonishing attribute of amplifying asymmetric autocatalysis-occupies a unique position in organic chemistry and stands as an eminent challenge for mechanistic elucidation. A new paradigm of "mixed catalyst-substrate" experiments with pyrimidine and pyridine systems allows a disconnection of catalysis from autocatalysis, providing insights into the role played by reactant and alkoxide structure. The alkynyl substituent favorably tunes catalyst solubility, aggregation, and conformation while modulating substrate reactivity and selectivity. The alkyl groups and the heteroaromatic core play further complementary roles in catalyst aggregation and substrate binding. In the study of these structure-activity relationships, novel pyridine substrates demonstrating amplifying autocatalysis were identified. Comparison of three autocatalytic systems representing a continuum of nitrogen Lewis basicity strength suggests how the strength of N-Zn binding events is a predominant contributor toward the rate of autocatalytic progression.
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Affiliation(s)
- Soumitra V Athavale
- Roger Adams Laboratory, Department of Chemistry, University of Illinois, Urbana, Illinois 61801, United States
| | - Adam Simon
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
| | - K N Houk
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
| | - Scott E Denmark
- Roger Adams Laboratory, Department of Chemistry, University of Illinois, Urbana, Illinois 61801, United States
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7
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Trapp O, Lamour S, Maier F, Siegle AF, Zawatzky K, Straub BF. In Situ Mass Spectrometric and Kinetic Investigations of Soai's Asymmetric Autocatalysis. Chemistry 2020; 26:15871-15880. [PMID: 32822103 PMCID: PMC7756584 DOI: 10.1002/chem.202003260] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Indexed: 01/15/2023]
Abstract
Chemical reactions that lead to a spontaneous symmetry breaking or amplification of the enantiomeric excess are of fundamental interest in explaining the formation of a homochiral world. An outstanding example is Soai's asymmetric autocatalysis, in which small enantiomeric excesses of the added product alcohol are amplified in the reaction of diisopropylzinc and pyrimidine‐5‐carbaldehydes. The exact mechanism is still in dispute due to complex reaction equilibria and elusive intermediates. In situ high‐resolution mass spectrometric measurements, detailed kinetic analyses and doping with in situ reacting reaction mixtures show the transient formation of hemiacetal complexes, which can establish an autocatalytic cycle. We propose a mechanism that explains the autocatalytic amplification involving these hemiacetal complexes. Comprehensive kinetic experiments and modelling of the hemiacetal formation and the Soai reaction allow the precise prediction of the reaction progress, the enantiomeric excess as well as the enantiomeric excess dependent time shift in the induction period. Experimental structural data give insights into the privileged properties of the pyrimidyl units and the formation of diastereomeric structures leading to an efficient amplification of even minimal enantiomeric excesses, respectively.
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Affiliation(s)
- Oliver Trapp
- Department of Chemistry, Ludwig-Maximilians-University Munich, Butenandtstr. 5-13, 81377, Munich, Germany.,Max-Planck-Institute for Astronomy, Königstuhl 17, 69117, Heidelberg, Germany
| | - Saskia Lamour
- Department of Chemistry, Ludwig-Maximilians-University Munich, Butenandtstr. 5-13, 81377, Munich, Germany.,Max-Planck-Institute for Astronomy, Königstuhl 17, 69117, Heidelberg, Germany
| | - Frank Maier
- Department of Chemistry, Ludwig-Maximilians-University Munich, Butenandtstr. 5-13, 81377, Munich, Germany
| | - Alexander F Siegle
- Department of Chemistry, Ludwig-Maximilians-University Munich, Butenandtstr. 5-13, 81377, Munich, Germany
| | - Kerstin Zawatzky
- Department of Chemistry, Ludwig-Maximilians-University Munich, Butenandtstr. 5-13, 81377, Munich, Germany
| | - Bernd F Straub
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
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8
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Saito F, Schreiner PR. Determination of the Absolute Configurations of Chiral Alkanes – An Analysis of the Available Tools. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000711] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Fumito Saito
- Institute of Organic Chemistry Justus Liebig University Heinrich‐Buff‐Ring 17 35392 Giessen Germany
| | - Peter R. Schreiner
- Institute of Organic Chemistry Justus Liebig University Heinrich‐Buff‐Ring 17 35392 Giessen Germany
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9
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Abstract
Although prebiotic condensations of glycerol, phosphate and fatty acids produce phospholipid esters with a racemic backbone, most experimental studies on vesicles intended as protocell models have been carried out by employing commercial enantiopure phospholipids. Current experimental research on realistic protocell models urgently requires racemic phospholipids and efficient synthetic routes for their production. Here we propose three synthetic pathways starting from glycerol or from racemic solketal (α,β-isopropylidene-dl-glycerol) for the gram-scale production (up to 4 g) of racemic phospholipid ester precursors. We describe and compare these synthetic pathways with literature data. Racemic phosphatidylcholines and phosphatidylethanolamines were obtained in good yields and high purity from 1,2-diacylglycerols. Racemic POPC (rac-POPC, (R,S)-1-palmitoyl-2-oleoyl-3-phosphocholine), was used as a model compound for the preparation of giant vesicles (GVs). Confocal laser scanning fluorescence microscopy was used to compare GVs prepared from enantiopure (R)-POPC), racemic POPC (rac-POPC) and a scalemic mixture (scal-POPC) of (R)-POPC enriched with rac-POPC. Vesicle morphology and size distribution were similar among the different (R)-POPC, rac-POPC and scal-POPC, while calcein entrapments in (R)-POPC and in scal-POPC were significantly distinct by about 10%.
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10
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Mirror Symmetry Breaking in Liquids and Their Impact on the Development of Homochirality in Abiogenesis: Emerging Proto-RNA as Source of Biochirality? Symmetry (Basel) 2020. [DOI: 10.3390/sym12071098] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Recent progress in mirror symmetry breaking and chirality amplification in isotropic liquids and liquid crystalline cubic phases of achiral molecule is reviewed and discussed with respect to its implications for the hypothesis of emergence of biological chirality. It is shown that mirror symmetry breaking takes place in fluid systems where homochiral interactions are preferred over heterochiral and a dynamic network structure leads to chirality synchronization if the enantiomerization barrier is sufficiently low, i.e., that racemization drives the development of uniform chirality. Local mirror symmetry breaking leads to conglomerate formation. Total mirror symmetry breaking requires either a proper phase transitions kinetics or minor chiral fields, leading to stochastic and deterministic homochirality, respectively, associated with an extreme chirality amplification power close to the bifurcation point. These mirror symmetry broken liquids are thermodynamically stable states and considered as possible systems in which uniform biochirality could have emerged. A model is hypothesized, which assumes the emergence of uniform chirality by chirality synchronization in dynamic “helical network fluids” followed by polymerization, fixing the chirality and leading to proto-RNA formation in a single process.
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11
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Demystifying the asymmetry-amplifying, autocatalytic behaviour of the Soai reaction through structural, mechanistic and computational studies. Nat Chem 2020; 12:412-423. [PMID: 32203445 PMCID: PMC7117993 DOI: 10.1038/s41557-020-0421-8] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2019] [Accepted: 01/13/2020] [Indexed: 11/08/2022]
Abstract
The Soai reaction has profoundly impacted chemists' perspective of autocatalysis, chiral symmetry breaking, absolute asymmetric synthesis and its role in the origin of biological homochirality. Here we describe the unprecedented observation of asymmetry-amplifying autocatalysis in the alkylation of 5-(trimethylsilylethynyl)pyridine-3-carbaldehyde using diisopropylzinc. Kinetic studies with a surrogate substrate and spectroscopic analysis of a series of zinc alkoxides that incorporate specific structural mutations reveal a 'pyridine-assisted cube escape'. The new tetrameric cluster functions as a catalyst that activates the substrate through a two-point binding mode and poises a coordinated diisopropylzinc moiety for alkyl group transfer. Transition-state models leading to both the homochiral and heterochiral products were validated by density functional theory calculations. Moreover, experimental and computational analysis of the heterochiral complex provides a definitive explanation for the nonlinear behaviour of this system. Our deconstruction of the Soai system reveals the structural logic for autocatalyst evolution, function and substrate compatibility-a central mechanistic aspect of this iconic transformation.
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12
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Role of Asymmetric Autocatalysis in the Elucidation of Origins of Homochirality of Organic Compounds. Symmetry (Basel) 2019. [DOI: 10.3390/sym11050694] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Pyrimidyl alkanol and related compounds were found to be asymmetric autocatalysts in the enantioselective addition of diisopropylzinc to pyrimidine-5-carbaldehyde and related aldehydes. In the asymmetric autocatalysis with amplification of enantiomeric excess (ee), the very low ee (ca. 0.00005%) of 2-alkynyl-5-pyrimidyl alkanol was significantly amplified to >99.5% ee with an increase in the amount. By using asymmetric autocatalysis with amplification of ee, several origins of homochirality have been examined. Circularly polarized light, chiral quartz, and chiral crystals formed from achiral organic compounds such as glycine and carbon (13C/12C), nitrogen (15N/14N), oxygen (18O/16O), and hydrogen (D/H) chiral isotopomers were found to act as the origin of chirality in asymmetric autocatalysis. And the spontaneous absolute asymmetric synthesis was also realized without the intervention of any chiral factor.
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13
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Questions of Mirror Symmetry at the Photoexcited and Ground States of Non-Rigid Luminophores Raised by Circularly Polarized Luminescence and Circular Dichroism Spectroscopy. Part 2: Perylenes, BODIPYs, Molecular Scintillators, Coumarins, Rhodamine B, and DCM. Symmetry (Basel) 2019. [DOI: 10.3390/sym11030363] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
We investigated whether semi-rigid and non-rigid π-conjugated fluorophores in the photoexcited (S1) and ground (S0) states exhibited mirror symmetry by circularly polarized luminescence (CPL) and circular dichroism (CD) spectroscopy using a range of compounds dissolved in achiral liquids. The fluorophores tested were six perylenes, six scintillators, 11 coumarins, two pyrromethene difluoroborates (BODIPYs), rhodamine B (RhB), and 4-(dicyanomethylene)-2-methyl-6-(4-dimethylaminostyryl)-4H-pyran (DCM). All the fluorophores showed negative-sign CPL signals in the ultraviolet (UV)–visible region, suggesting energetically non-equivalent and non-mirror image structures in the S1 state. The dissymmetry ratio of the CPL (glum) increased discontinuously from approximately −0.2 × 10−3 to −2.0 × 10−3, as the viscosity of the liquids increased. Among these liquids, C2-symmetrical stilbene 420 showed glum ≈ −0.5 × 10−3 at 408 nm in H2O and D2O, while, in a viscous alkanediol, the signal was amplified to glum ≈ −2.0 × 10−3. Moreover, BODIPYs, RhB, and DCM in the S0 states revealed weak (−)-sign CD signals with dissymmetry ratios (gabs) ≈ −1.4 × 10−5 at λmax/λext. The origin of the (−)-sign CPL and the (−)-sign CD signals may arise from an electroweak charge at the polyatomic level. Our CPL and CD spectral analysis could be a possible answer to the molecular parity violation hypothesis based on a weak neutral current of Z0 boson origin that could connect to the origin of biomolecular handedness.
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Matsumoto A, Ozaki H, Tsuchiya S, Asahi T, Lahav M, Kawasaki T, Soai K. Achiral amino acid glycine acts as an origin of homochirality in asymmetric autocatalysis. Org Biomol Chem 2019; 17:4200-4203. [DOI: 10.1039/c9ob00345b] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Achiral glycine acts as the origin of chirality in conjunction with asymmetric autocatalysis to afford highly enantioenriched compound.
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Affiliation(s)
- Arimasa Matsumoto
- Department of Applied Chemistry
- Tokyo University of Science
- Tokyo 162-8601
- Japan
| | - Hanae Ozaki
- Department of Applied Chemistry
- Tokyo University of Science
- Tokyo 162-8601
- Japan
| | - Sumeru Tsuchiya
- Department of Applied Chemistry
- Tokyo University of Science
- Tokyo 162-8601
- Japan
| | - Toru Asahi
- Department of Advanced Science and Engineering
- Graduate School of Advanced Science and Engineering
- Waseda University
- Tokyo 169-8555
- Japan
| | - Meir Lahav
- Weizmann Institute of Science
- Rehovot
- Israel
| | - Tsuneomi Kawasaki
- Department of Applied Chemistry
- Tokyo University of Science
- Tokyo 162-8601
- Japan
| | - Kenso Soai
- Department of Applied Chemistry
- Tokyo University of Science
- Tokyo 162-8601
- Japan
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15
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SOAI K. Asymmetric autocatalysis. Chiral symmetry breaking and the origins of homochirality of organic molecules. PROCEEDINGS OF THE JAPAN ACADEMY. SERIES B, PHYSICAL AND BIOLOGICAL SCIENCES 2019; 95:89-110. [PMID: 30853700 PMCID: PMC6541725 DOI: 10.2183/pjab.95.009] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Biological homochirality, such as that of l-amino acids, has been a puzzle with regards to the chemical origin of life. Asymmetric autocatalysis is a reaction in which a chiral product acts as an asymmetric catalyst to produce more of itself in the same absolute configuration. 5-Pyrimidyl alkanol was found to act as an asymmetric autocatalyst in the enantioselective addition of diisopropylzinc to pyrimidine-5-carbaldehyde. Asymmetric autocatalysis of 2-alkynyl-5-pyrimidyl alkanol with an extremely low enantiomeric excess of ca. 0.00005% exhibited significant asymmetric amplification to afford the same pyrimidyl alkanol with >99.5% enantiomeric excess and with an increase in the quantity of the same compound. We have employed asymmetric autocatalysis to examine the origin of homochirality. Asymmetric autocatalysis triggered by circularly polarized light, chiral minerals such as quartz, chiral organic crystals composed of achiral compounds gave highly enantioenriched pyrimidyl alkanol with absolute configurations corresponding with those of the chiral triggers. Absolute asymmetric synthesis without the intervention of any chiral factor was achieved. Chiral isotopomers acted as chiral triggers of asymmetric autocatalysis.
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Affiliation(s)
- Kenso SOAI
- Department of Applied Chemistry, Tokyo University of Science, Tokyo, Japan
- Correspondence should be addressed: K. Soai, Department of Applied Chemistry, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan (e-mail: )
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16
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Barabás B, Kurdi R, Zucchi C, Pályi G. Isotope chirality in long-armed multifunctional organosilicon ("Cephalopod") molecules. Chirality 2018; 30:913-922. [PMID: 29733469 DOI: 10.1002/chir.22865] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Revised: 03/23/2018] [Accepted: 03/26/2018] [Indexed: 01/10/2023]
Abstract
Long-armed multifunctional organosilicon molecules display self-replicating and self-perfecting behavior in asymmetric autocatalysis (Soai reaction). Two representatives of this class were studied by statistical methods aiming at determination of probabilities of natural abundance chiral isotopomers. The results, reported here, show an astonishing richness of possibilities of the formation of chiral isotopically substituted derivatives. This feature could serve as a model for the evolution of biological chirality in prebiotic and early biotic stereochemistry.
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Affiliation(s)
- Béla Barabás
- Department of Mathematics, University of Technology and Economics, Budapest, Hungary
| | - Róbert Kurdi
- Institute of Environmental Engineering, University of Pannonia, Veszprém, Hungary
| | - Claudia Zucchi
- Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Gyula Pályi
- Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
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17
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Asymmetric autocatalysis of pyrimidyl alkanol and related compounds. Self-replication, amplification of chirality and implication for the origin of biological enantioenriched chirality. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.02.040] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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18
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Chen T, Zhao CQ, Han LB. Hydrophosphorylation of Alkynes Catalyzed by Palladium: Generality and Mechanism. J Am Chem Soc 2018; 140:3139-3155. [DOI: 10.1021/jacs.8b00550] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Tieqiao Chen
- College
of Material and Chemical Engineering, Hainan University, Haikou, Hainan 570228, China
- National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8565, Japan
| | - Chang-Qiu Zhao
- College
of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng, Shandong 252059, China
- National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8565, Japan
| | - Li-Biao Han
- National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8565, Japan
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19
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Maeda K, Hirose D, Okoshi N, Shimomura K, Wada Y, Ikai T, Kanoh S, Yashima E. Direct Detection of Hardly Detectable Hidden Chirality of Hydrocarbons and Deuterated Isotopomers by a Helical Polyacetylene through Chiral Amplification and Memory. J Am Chem Soc 2018; 140:3270-3276. [PMID: 29325413 DOI: 10.1021/jacs.7b10981] [Citation(s) in RCA: 79] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
We report the first direct chirality sensing of a series of chiral hydrocarbons and isotopically chiral compounds (deuterated isotopomers), which are almost impossible to detect by conventional optical spectroscopic methods, by a stereoregular polyacetylene bearing 2,2'-biphenol-derived pendants. The polyacetylene showed a circular dichroism due to a preferred-handed helix formation in response to the hardly detectable hidden chirality of saturated tertiary or chiroptical quaternary hydrocarbons, and deuterated isotopomers. In sharp contrast to the previously reported sensory systems, the chirality detection by the polyacetylene relies on an excess one-handed helix formation induced by the chiral hydrocarbons and deuterated isotopomers via significant amplification of the chirality followed by its static memory, through which chiral information on the minute and hidden chirality can be stored as an excess of a single-handed helix memory for a long time.
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Affiliation(s)
| | | | | | | | | | | | | | - Eiji Yashima
- Department of Molecular and Macromolecular Chemistry, Graduate School of Engineering , Nagoya University , Chikusa-ku, Nagoya 464-8603 , Japan
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20
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Affiliation(s)
- María E. Noble-Terán
- Centro de Investigaciones Químicas; Universidad Autónoma del Estado de Morelos; Avenida Universidad 1001 62209 Cuernavaca Morelos Mexico
| | - José-Manuel Cruz
- Centro de Investigaciones Químicas; Universidad Autónoma del Estado de Morelos; Avenida Universidad 1001 62209 Cuernavaca Morelos Mexico
| | - Jean-Claude Micheau
- Laboratoire des IMRCP, UMR au CNRS No. 5623; Université Paul Sabatier; 118, Route de Narbonne 31062 Toulouse Cedex France
| | - Thomas Buhse
- Centro de Investigaciones Químicas; Universidad Autónoma del Estado de Morelos; Avenida Universidad 1001 62209 Cuernavaca Morelos Mexico
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21
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Takamatsu N, Aiba S, Yamada T, Tokunaga Y, Kawasaki T. Highly Stereoselective Strecker Synthesis Induced by a Slight Modification of Benzhydrylamine from Achiral to Chiral. Chemistry 2017; 24:1304-1310. [DOI: 10.1002/chem.201704033] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Indexed: 11/11/2022]
Affiliation(s)
- Naoya Takamatsu
- Department of Materials Science and Engineering; University of Fukui, Bunkyo; Fukui 910-8507 Japan
| | - Shohei Aiba
- Department of Materials Science and Engineering; University of Fukui, Bunkyo; Fukui 910-8507 Japan
| | - Takuya Yamada
- Department of Materials Science and Engineering; University of Fukui, Bunkyo; Fukui 910-8507 Japan
| | - Yuji Tokunaga
- Department of Materials Science and Engineering; University of Fukui, Bunkyo; Fukui 910-8507 Japan
| | - Tsuneomi Kawasaki
- Department of Applied Chemistry; Tokyo University of Science, Kagurazaka, Shinjuku-ku; Tokyo 162-8601 Japan
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22
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Terada S, Hirai M, Honzawa A, Kitagawa O, Kamizela A, Wzorek A, Soloshonok VA. Possible Case of Halogen Bond-Driven Self-Disproportionation of Enantiomers (SDE) via Achiral Chromatography. Chemistry 2017; 23:14631-14638. [PMID: 28783208 DOI: 10.1002/chem.201703308] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2017] [Indexed: 11/12/2022]
Abstract
The major breakthrough reported in this work is the discovery of likely halogen bond-driven self-disproportionation of enantiomers (SDE). Taking into account that the halogen-bonding interactions can be rationally designed and can match, or even exceed, the strength of the more familiar hydrogen bond, this discovery clearly opens an unexpected new direction of research in the areas of molecular chirality and the SDE phenomenon.
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Affiliation(s)
- Shumpei Terada
- Department of Applied Chemistry, Shibaura Institute of Technology, 3-7-5 Toyosu, Kohto-ku, Tokyo, 135-8548, Japan
| | - Motohiro Hirai
- Department of Applied Chemistry, Shibaura Institute of Technology, 3-7-5 Toyosu, Kohto-ku, Tokyo, 135-8548, Japan
| | - Ayaka Honzawa
- Department of Applied Chemistry, Shibaura Institute of Technology, 3-7-5 Toyosu, Kohto-ku, Tokyo, 135-8548, Japan
| | - Osamu Kitagawa
- Department of Applied Chemistry, Shibaura Institute of Technology, 3-7-5 Toyosu, Kohto-ku, Tokyo, 135-8548, Japan
| | - Angelika Kamizela
- Institute of Chemistry, Jan Kochanowski University in Kielce, Świętokrzyska 15G, 25-406, Kielce, Poland
| | - Alicja Wzorek
- Institute of Chemistry, Jan Kochanowski University in Kielce, Świętokrzyska 15G, 25-406, Kielce, Poland.,Department of Organic Chemistry I, Faculty of Chemistry, University of the Basque Country UPV/EHU, Paseo Manuel Lardizábal 3, 20018, San Sebastián, Spain
| | - Vadim A Soloshonok
- Department of Organic Chemistry I, Faculty of Chemistry, University of the Basque Country UPV/EHU, Paseo Manuel Lardizábal 3, 20018, San Sebastián, Spain.,JKERBASQUE, Basque Foundation for Science, University of the Basque Country UPV/EHU, Maria Diaz de Haro 3, 48013, Bilbao, Spain
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23
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Wzorek A, Kamizela A, Sato A, Soloshonok VA. Self-Disproportionation of Enantiomers (SDE) via achiral gravity-driven column chromatography of N -fluoroacyl-1-phenylethylamines. J Fluor Chem 2017. [DOI: 10.1016/j.jfluchem.2016.07.016] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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24
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Maioli M, Varadi G, Kurdi R, Caglioti L, Pályi G. Limits of the Classical Concept of Concentration. J Phys Chem B 2016; 120:7438-45. [PMID: 27384879 DOI: 10.1021/acs.jpcb.6b02904] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Solutions of very low concentrations cannot be treated by the usual concept of concentration. Stochastic calculations are performed for the analysis of such solutions containing one or a few molecule(s). It is concluded that these systems escape the usual concentration parameters. Two "case histories" are also shown for demonstration of the practical consequences of the theoretical analysis.
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Affiliation(s)
- Marco Maioli
- Department of Mathematics, University of Modena and Reggio Emilia , Via Campi 213/B, I-41125 Modena, Italy
| | - Gyula Varadi
- Inpellis, Inc. , 100 Cummings Center, Suite 243C, Beverly, Massachusetts 01915-6133, United States
| | - Róbert Kurdi
- Institute of Environmental Engineering, University of Pannonia , Egyetem u. 10, H-8200 Veszprém, Hungary
| | - Luciano Caglioti
- Department of Chemistry and Technology of Biologically Active Compounds, University "La Sapienza"-Roma , P.le A. Moro 5, I-00185 Roma, Italy
| | - Gyula Pályi
- Department of Life Sciences, University of Modena and Reggio Emilia , Via Campi 103, I-41125 Modena, Italy
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25
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Bruhn T, Pescitelli G, Witterauf F, Ahrens J, Funk M, Wolfram B, Schneider H, Radius U, Bröring M. Cryptochirality in 2,2′-Coupled BODIPY DYEmers. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600585] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Torsten Bruhn
- Institut für Organische Chemie; Universität Würzburg; Am Hubland 97074 Würzburg Germany
| | - Gennaro Pescitelli
- Dipartimento di Chimica e Chimica Industriale; Università di Pisa; Via Moruzzi 13 56124 Pisa Italy
| | - Franziska Witterauf
- Institut für Organische Chemie; Universität Würzburg; Am Hubland 97074 Würzburg Germany
| | - Johannes Ahrens
- Institut für Anorganische und Analytische Chemie (IAAC); Technische Universität Braunschweig; Hagenring 30 38106 Braunschweig Germany
| | - Markus Funk
- Institut für Anorganische und Analytische Chemie (IAAC); Technische Universität Braunschweig; Hagenring 30 38106 Braunschweig Germany
| | - Benedikt Wolfram
- Institut für Anorganische und Analytische Chemie (IAAC); Technische Universität Braunschweig; Hagenring 30 38106 Braunschweig Germany
| | - Heidi Schneider
- Institut für Anorganische Chemie; Universität Würzburg; Am Hubland 97074 Würzburg Germany
| | - Udo Radius
- Institut für Anorganische Chemie; Universität Würzburg; Am Hubland 97074 Würzburg Germany
| | - Martin Bröring
- Institut für Anorganische und Analytische Chemie (IAAC); Technische Universität Braunschweig; Hagenring 30 38106 Braunschweig Germany
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Zinna F, Pescitelli G. Towards the Limits of Vibrational Circular Dichroism Spectroscopy: VCD Spectra of Some Alkyl Vinylethers. Chirality 2015; 28:143-6. [DOI: 10.1002/chir.22555] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2015] [Revised: 10/23/2015] [Accepted: 10/28/2015] [Indexed: 12/13/2022]
Affiliation(s)
- Francesco Zinna
- Dipartimento di Chimica e Chimica Industriale; Università di Pisa; Pisa Italy
| | - Gennaro Pescitelli
- Dipartimento di Chimica e Chimica Industriale; Università di Pisa; Pisa Italy
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28
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Kawasaki T, Araki Y, Hatase K, Suzuki K, Matsumoto A, Yokoi T, Kubota Y, Tatsumi T, Soai K. Helical mesoporous silica as an inorganic heterogeneous chiral trigger for asymmetric autocatalysis with amplification of enantiomeric excess. Chem Commun (Camb) 2015; 51:8742-4. [DOI: 10.1039/c5cc01750e] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
P and M-Helical mesoporous silica was found to act as a chiral inorganic trigger for asymmetric autocatalysis to afford (S) and (R)-pyrimidyl alkanol with up to >99.5% ee, respectively.
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Affiliation(s)
- Tsuneomi Kawasaki
- Department of Applied Chemistry
- Tokyo University of Science
- Tokyo
- Japan
- Research Center for Chirality
| | - Yuko Araki
- Department of Applied Chemistry
- Tokyo University of Science
- Tokyo
- Japan
| | - Kunihiko Hatase
- Department of Applied Chemistry
- Tokyo University of Science
- Tokyo
- Japan
| | - Kenta Suzuki
- Department of Applied Chemistry
- Tokyo University of Science
- Tokyo
- Japan
| | - Arimasa Matsumoto
- Department of Applied Chemistry
- Tokyo University of Science
- Tokyo
- Japan
| | - Toshiyuki Yokoi
- Chemical Resources Laboratory
- Tokyo Institute of Technology
- Yokohama 226-8503
- Japan
| | - Yoshihiro Kubota
- Division of Materials Science and Chemical Engineering
- Yokohama National University
- Yokohama
- Japan
| | - Takashi Tatsumi
- Chemical Resources Laboratory
- Tokyo Institute of Technology
- Yokohama 226-8503
- Japan
| | - Kenso Soai
- Department of Applied Chemistry
- Tokyo University of Science
- Tokyo
- Japan
- Research Center for Chirality
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29
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Amako T, Nakabayashi K, Suzuki N, Guo S, Rahim NAA, Harada T, Fujiki M, Imai Y. Pyrene magic: chiroptical enciphering and deciphering 1,3-dioxolane bearing two wirepullings to drive two remote pyrenes. Chem Commun (Camb) 2015; 51:8237-40. [DOI: 10.1039/c5cc01465d] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
2,2-Dimethyl-1,3-dioxolane connected to two pyrene moieties through flexible wires in chloroform exhibited cryptochirality in the ground state, as proven by the lack of detectable circular dichroism signals.
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Affiliation(s)
- Tomoyuki Amako
- Department of Applied Chemistry
- Faculty of Science and Engineering
- Kinki University
- Higashi-Osaka
- Japan
| | - Kazuki Nakabayashi
- Department of Applied Chemistry
- Faculty of Science and Engineering
- Kinki University
- Higashi-Osaka
- Japan
| | - Nozomu Suzuki
- Graduate School of Materials Science
- Nara Institute of Science and Technology
- Ikoma
- Japan
| | - Sibo Guo
- Graduate School of Materials Science
- Nara Institute of Science and Technology
- Ikoma
- Japan
| | - Nor Azura Abdul Rahim
- Graduate School of Materials Science
- Nara Institute of Science and Technology
- Ikoma
- Japan
- School of Materials Engineering
| | - Takunori Harada
- Department of Applied Chemistry
- Faculty of Engineering
- Oita University
- Oita city 870-1192
- Japan
| | - Michiya Fujiki
- Graduate School of Materials Science
- Nara Institute of Science and Technology
- Ikoma
- Japan
| | - Yoshitane Imai
- Department of Applied Chemistry
- Faculty of Science and Engineering
- Kinki University
- Higashi-Osaka
- Japan
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30
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Guyon C, Métay E, Popowycz F, Lemaire M. Synthetic applications of hypophosphite derivatives in reduction. Org Biomol Chem 2015; 13:7879-906. [DOI: 10.1039/c5ob01032b] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The purpose of this review is to collect the applications in fine synthesis of hypophosphite derivatives as reducing agents.
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Affiliation(s)
- Carole Guyon
- Equipe Catalyse Synthèse Environnement
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires
- UMR-CNRS 5246
- Université de Lyon
- Université Claude Bernard-Lyon 1
| | - Estelle Métay
- Equipe Catalyse Synthèse Environnement
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires
- UMR-CNRS 5246
- Université de Lyon
- Université Claude Bernard-Lyon 1
| | - Florence Popowycz
- Equipe Chimie Organique et Bioorganique
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires
- UMR-CNRS 5246
- Institut National des Sciences Appliquées (INSA Lyon)
- F-69621 Villeurbanne Cedex
| | - Marc Lemaire
- Equipe Catalyse Synthèse Environnement
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires
- UMR-CNRS 5246
- Université de Lyon
- Université Claude Bernard-Lyon 1
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31
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Soai K, Kawasaki T, Matsumoto A. Asymmetric autocatalysis of pyrimidyl alkanol and its application to the study on the origin of homochirality. Acc Chem Res 2014; 47:3643-54. [PMID: 25511374 DOI: 10.1021/ar5003208] [Citation(s) in RCA: 134] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
CONSPECTUS: Amplification of enantiomeric excess (ee) is a key feature for the chemical evolution of biological homochirality from the origin of chirality. We describe the amplification of ee in the asymmetric autocatalysis of 5-pyrimidyl alkanols in the reaction between diisopropylzinc (i-Pr2Zn) and pyrimidine-5-carbaldehydes. During the reaction, an extremely low ee (ca. 0.00005% ee) can be amplified to >99.5% ee, and therefore, the initial slightly major enantiomer is automultiplied by a factor of ca. 630000, while the initial slightly minor enantiomer is automultiplied by a factor of less than 1000. In addition, pyrimidyl alkanols with various substituents at the 2-position of the pyrimidine ring, 3-quinolyl alkanol, 5-carbamoyl-3-pyridyl alkanol, and large multifunctionalized pyrimidyl alkanols also act as highly efficient asymmetric autocatalysts in the addition of i-Pr2Zn to the corresponding aldehydes. The asymmetric autocatalysis of pyrimidyl alkanol can discriminate the chirality of various compounds. Chiral substances such as alcohols, amino acids, hydrocarbons, metal complexes, and heterogeneous chiral materials can act as chiral triggers for asymmetric autocatalysis to afford pyrimidyl alkanols with the corresponding absolute configuration of the initiator. This recognition ability of chiral compounds is extremely high, and chiral discrimination of a cryptochiral quaternary saturated hydrocarbon was established by applying asymmetric autocatalysis. By using the large amplification effect of the asymmetric autocatalysis, we can link various proposed origins of chirality with highly enantioenriched organic compounds in conjunction with asymmetric autocatalysis. Thus, a statistical fluctuation in ee of racemic compounds can be amplified to high ee by using asymmetric autocatalysis. Enantiomeric imbalance induced by irradiation of circularly polarized light can affect the enantioselectivity of asymmetric autocatalysis. The asymmetric autocatalysis was also triggered by the morphology of inorganic chiral crystals such as quartz, sodium chlorate, and cinnabar. Chiral organic crystals of achiral compounds also act as chiral initiators, and during the study of a crystal of cytosine, enantioselective chiral crystal phase transformation of the cytosine crystal was achieved by removal of the water of crystallization in an achiral monohydrate crystal. Enantioselective C-C bond formation was realized on the surfaces of achiral single crystals based on the oriented prochirality of achiral aldehydes. Furthermore, asymmetric autocatalysis of pyrimidyl alkanols is a highly sensitive reaction that can recognize and amplify the significantly small effect of a chiral compound arising solely from isotope substitution of hydrogen, carbon, and oxygen (D/H, (13)C/(12)C, and (18)O/(16)O). These examples show that asymmetric autocatalysis with an amplification of chirality is a powerful tool for correlating the origin of chirality with highly enantioenriched organic compounds. Asymmetric autocatalysis using two β-amino alcohols reveals a reversal of enantioselectivity in the addition of i-Pr2Zn to aldehyde and is one approach toward understanding the mechanism of asymmetric dialkylzinc addition, where heteroaggregates act as the catalytic species.
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Affiliation(s)
| | - Tsuneomi Kawasaki
- Department of Materials Science and Engineering, University of Fukui, Bunkyo, Fukui 910-8507, Japan
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Rentner J, Kljajic M, Offner L, Breinbauer R. Recent advances and applications of reductive desulfurization in organic synthesis. Tetrahedron 2014. [DOI: 10.1016/j.tet.2014.06.104] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Soai K, Kawasaki T, Matsumoto A. The Origins of Homochirality Examined by Using Asymmetric Autocatalysis. CHEM REC 2014; 14:70-83. [DOI: 10.1002/tcr.201300028] [Citation(s) in RCA: 75] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2013] [Indexed: 01/29/2023]
Affiliation(s)
- Kenso Soai
- Department of Applied Chemistry; Tokyo University of Science; Kagurazaka, Shinjuku-ku Tokyo 162-8601 Japan
- Research Institute of Science and Technology; Tokyo University of Science; Kagurazaka, Shinjuku-ku Tokyo 162-8601 Japan
| | - Tsuneomi Kawasaki
- Research Institute of Science and Technology; Tokyo University of Science; Kagurazaka, Shinjuku-ku Tokyo 162-8601 Japan
- Department of Materials Science and Engineering; University of Fukui; Bunkyo Fukui 910-8507 Japan
| | - Arimasa Matsumoto
- Department of Applied Chemistry; Tokyo University of Science; Kagurazaka, Shinjuku-ku Tokyo 162-8601 Japan
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Hitosugi S, Matsumoto A, Kaimori Y, Iizuka R, Soai K, Isobe H. Asymmetric Autocatalysis Initiated by Finite Single-Wall Carbon Nanotube Molecules with Helical Chirality. Org Lett 2014; 16:645-7. [DOI: 10.1021/ol403384q] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Shunpei Hitosugi
- Department
of Chemistry, Advanced Institute of Materials Research (AIMR) and
ERATO Isobe Degenerate π-Integration Project, Tohoku University, Aoba-ku, Sendai, 980-8578, Japan
| | - Arimasa Matsumoto
- Department of Applied
Chemistry, Faculty of Science, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo, 162-8601, Japan
| | - Yoshiyasu Kaimori
- Department of Applied
Chemistry, Faculty of Science, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo, 162-8601, Japan
| | - Ryosuke Iizuka
- Department
of Chemistry, Advanced Institute of Materials Research (AIMR) and
ERATO Isobe Degenerate π-Integration Project, Tohoku University, Aoba-ku, Sendai, 980-8578, Japan
| | - Kenso Soai
- Department of Applied
Chemistry, Faculty of Science, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo, 162-8601, Japan
| | - Hiroyuki Isobe
- Department
of Chemistry, Advanced Institute of Materials Research (AIMR) and
ERATO Isobe Degenerate π-Integration Project, Tohoku University, Aoba-ku, Sendai, 980-8578, Japan
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Bissette AJ, Fletcher SP. Mechanisms of Autocatalysis. Angew Chem Int Ed Engl 2013; 52:12800-26. [DOI: 10.1002/anie.201303822] [Citation(s) in RCA: 273] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2013] [Indexed: 12/17/2022]
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Kawasaki T, Sato I, Mineki H, Matsumoto A, Soai K. Approaches Toward the Origin of Homochirality Using the Synthetic Organic Chemistry ^|^mdash;Asymmetric Autocatalysis with Amplification of Enantiomeric Excess^|^mdash;. J SYN ORG CHEM JPN 2013. [DOI: 10.5059/yukigoseikyokaishi.71.109] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Klabunovskii EI. Homochirality and its significance for biosphere and the origin of life theory. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2012. [DOI: 10.1134/s1070428012070019] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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39
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Kawasaki T, Soai K. Asymmetric Autocatalysis Triggered by Chiral Crystals Formed from Achiral Compounds and Chiral Isotopomers. Isr J Chem 2012. [DOI: 10.1002/ijch.201100155] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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40
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Reversal in enantioselectivity induced by achiral alcohols in asymmetric autocatalysis in the presence of a chiral diol as a chiral initiator. ACTA ACUST UNITED AC 2012. [DOI: 10.1016/j.tetasy.2012.07.010] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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41
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Kawasaki T, Soai K. Asymmetric Induction Arising from Enantiomerically Enriched Carbon-13 Isotopomers and Highly Sensitive Chiral Discrimination by Asymmetric Autocatalysis. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2011. [DOI: 10.1246/bcsj.20110120] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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42
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Fujita T, Obata K, Kuwahara S, Nakahashi A, Monde K, Decatur J, Harada N. (R)-(+)-[VCD(-)984]-4-Ethyl-4-methyloctane: A Cryptochiral Hydrocarbon with a Quaternary Chiral Center. (1) Synthesis of the Enantiopure Compound and Unambiguous Determination of Absolute Configuration. European J Org Chem 2010. [DOI: 10.1002/ejoc.201000777] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Kawasaki T, Nakaoda M, Kaito N, Sasagawa T, Soai K. Asymmetric autocatalysis induced by chiral crystals of achiral tetraphenylethylenes. ORIGINS LIFE EVOL B 2010; 40:65-78. [PMID: 19911300 DOI: 10.1007/s11084-009-9183-4] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2009] [Accepted: 07/21/2009] [Indexed: 10/20/2022]
Abstract
The achiral hydrocarbon tetraphenylethylene crystallizes in enantiomorphous forms (chiral space group: P2(1)) to afford right- and left-handed hemihedral crystals, which can be recognized by solid-state circular dichroism spectroscopic analysis. Chiral organic crystals of tetraphenylethylene mediated enantioselective addition of diisopropylzinc to pyrimidine-5-carbaldehyde to give, in conjunction with asymmetric autocatalysis with amplification of chirality, almost enantiomerically pure (S)- and (R)-5-pyrimidyl alkanols whose absolute configurations were controlled efficiently by the crystalline chirality of the tetraphenylethylene substrate. Tetrakis(p-chlorophenyl)ethylene and tetrakis(p-bromophenyl)ethylene also show chirality in the crystalline state, which can also act as a chiral substrate and induce enantioselectivity of diisopropylzinc addition to pyrimidine-5-carbaldehyde in asymmetric autocatalysis to give enantiomerically enriched 5-pyrimidyl alkanols with the absolute configuration correlated with that of the chiral crystals. Highly enantioselective synthesis has been achieved using chiral crystals composed of achiral hydrocarbons, tetraphenylethylenes, as chiral inducers. This chemical system enables significant amplification of the amount of chirality using spontaneously formed chiral crystals of achiral organic compounds as the seed for the chirality of asymmetric autocatalysis.
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Affiliation(s)
- Tsuneomi Kawasaki
- Department of Applied Chemistry, Tokyo University of Science, Tokyo, Japan
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45
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Crusats J, Hochberg D, Moyano A, Ribó JM. Frank Model and Spontaneous Emergence of Chirality in Closed Systems. Chemphyschem 2009; 10:2123-31. [DOI: 10.1002/cphc.200900181] [Citation(s) in RCA: 87] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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46
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Kawasaki T, Hohberger C, Araki Y, Hatase K, Beckerle K, Okuda J, Soai K. Discrimination of cryptochirality in chiral isotactic polystyrene by asymmetric autocatalysis. Chem Commun (Camb) 2009:5621-3. [PMID: 19753377 PMCID: PMC2898645 DOI: 10.1039/b912813a] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Cryptochiral isotactic polystyrene induces the enantioselective addition of diisopropylzinc to pyrimidine-5-carbaldehyde, affording the enantioenriched pyrimidyl alkanol with the corresponding absolute configuration to that of polystyrenes in conjunction with asymmetric autocatalysis.
Chiral isotactic polystyrenes induce the enantioselective addition of diisopropylzinc to pyrimidine-5-carbaldehyde, affording the enantiomerically enriched pyrimidyl alkanol with the corresponding absolute configuration to that of cryptochiral polystyrenes in conjunction with asymmetric autocatalysis.
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Affiliation(s)
- Tsuneomi Kawasaki
- Department of Applied Chemistry, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
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Kawasaki T, Shimizu M, Nishiyama D, Ito M, Ozawa H, Soai K. Asymmetric autocatalysis induced by meteoritic amino acids with hydrogen isotope chirality. Chem Commun (Camb) 2009:4396-8. [PMID: 19597604 PMCID: PMC2898652 DOI: 10.1039/b908754k] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2009] [Accepted: 06/08/2009] [Indexed: 11/21/2022]
Abstract
Achiral meteoritic amino acids, glycine and alpha-methylalanine, with hydrogen isotope (D/H) chirality, acted as the source of chirality in asymmetric autocatalysis with amplification of ee to afford highly enantioenriched 5-pyrimidyl alkanols.
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Affiliation(s)
- Tsuneomi Kawasaki
- Department of Applied Chemistry, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan. ; Fax: +81 3 5261 4631; Tel: +81 3 5228 8261
- Research Institute of Science and Technology, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
| | - Masako Shimizu
- Department of Applied Chemistry, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan. ; Fax: +81 3 5261 4631; Tel: +81 3 5228 8261
| | - Daisuke Nishiyama
- Department of Applied Chemistry, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan. ; Fax: +81 3 5261 4631; Tel: +81 3 5228 8261
| | - Masateru Ito
- Department of Applied Chemistry, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan. ; Fax: +81 3 5261 4631; Tel: +81 3 5228 8261
| | - Hitomi Ozawa
- Department of Applied Chemistry, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan. ; Fax: +81 3 5261 4631; Tel: +81 3 5228 8261
| | - Kenso Soai
- Department of Applied Chemistry, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan. ; Fax: +81 3 5261 4631; Tel: +81 3 5228 8261
- Research Institute of Science and Technology, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
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Kawasaki T, Matsumura Y, Tsutsumi T, Suzuki K, Ito M, Soai K. Asymmetric Autocatalysis Triggered by Carbon Isotope (
13
C/
12
C) Chirality. Science 2009; 324:492-5. [DOI: 10.1126/science.1170322] [Citation(s) in RCA: 185] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Tsuneomi Kawasaki
- Department of Applied Chemistry, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
| | - Yukari Matsumura
- Department of Applied Chemistry, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
| | - Takashi Tsutsumi
- Department of Applied Chemistry, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
| | - Kenta Suzuki
- Department of Applied Chemistry, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
| | - Masateru Ito
- Department of Applied Chemistry, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
| | - Kenso Soai
- Department of Applied Chemistry, Tokyo University of Science, Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
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Tsuda A. Design of Porphyrin Nanoclusters toward Discovery of Novel Properties and Functions. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2009. [DOI: 10.1246/bcsj.82.11] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Kawasaki T, Omine T, Suzuki K, Sato H, Yamagishi A, Soai K. Highly enantioselective asymmetric autocatalysis using chiral ruthenium complex-ion-exchanged synthetic hectorite as a chiral initiator. Org Biomol Chem 2009; 7:1073-5. [DOI: 10.1039/b823282b] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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