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Ikeshita M, Hara N, Imai Y, Naota T. Chiroptical Response Control of Planar and Axially Chiral Polymethylene-Vaulted Platinum(II) Complexes Bearing 1,1'-Binaphthyl Frameworks. Inorg Chem 2023; 62:13964-13976. [PMID: 37581577 DOI: 10.1021/acs.inorgchem.3c01935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/16/2023]
Abstract
In this study, the synthesis, structure, and chiroptical response control of planar chiral polymethylene-vaulted trans-bis[(β-iminomethyl)aryloxy]platinum(II) complexes bearing axially chiral 1,1'-binaphthyl ligands are described. A series of enantiopure polymethylene (n = 4-10)-vaulted complexes were prepared in 6 steps using commercially available (R)- or (S)-BINOL as the starting material without an optical resolution process. The trans-coordination and three-dimensional vaulted structures of the platinum complexes were elucidated from X-ray diffraction (XRD) studies. The complexes were found to show structural dependence of chiroptical responses in the dilute solution state such that the absolute values of [α]D, dissymmetry factors gabs in circular dichroism (CD), and glum in circularly polarized luminescence (CPL) increased upon shortening the length of the polymethylene bridges. The enhanced chiroptical responses were theoretically investigated using density functional theory (DFT) and time-dependent DFT (TD-DFT) calculations, and the results are discussed in terms of the molecular structures and transition dipole moments of the ground states. The structural dependence of the chiroptical responses was ascribed to the distortion of the coordination platforms caused by restriction of the vaulting methylene linkers.
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Affiliation(s)
- Masahiro Ikeshita
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Machikaneyama, Toyonaka, Osaka 560-8531, Japan
- Department of Applied Molecular Chemistry, College of Industrial Technology, Nihon University, Narashino, Chiba 275-8575, Japan
| | - Nobuyuki Hara
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan
| | - Yoshitane Imai
- Department of Applied Chemistry, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan
| | - Takeshi Naota
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Machikaneyama, Toyonaka, Osaka 560-8531, Japan
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2
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Hans AC, Becker PM, Haußmann J, Suhr S, Wanner DM, Lederer V, Willig F, Frey W, Sarkar B, Kästner J, Peters R. A Practical and Robust Zwitterionic Cooperative Lewis Acid/Acetate/Benzimidazolium Catalyst for Direct 1,4-Additions. Angew Chem Int Ed Engl 2023; 62:e202217519. [PMID: 36651714 DOI: 10.1002/anie.202217519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 01/17/2023] [Accepted: 01/18/2023] [Indexed: 01/19/2023]
Abstract
A catalyst type is disclosed allowing for exceptional efficiency in direct 1,4-additions. The catalyst is a zwitterionic entity, in which acetate binds to CuII , which is formally negatively charged and serving as counterion for benzimidazolium. All 3 functionalities are involved in the catalytic activation. For maleimides productivity was increased by a factor >300 compared to literature (TONs up to 6700). High stereoselectivity and productivity was attained for a broad range of other Michael acceptors as well. The polyfunctional catalyst is accessible in only 4 steps from N-Ph-benzimidazole with an overall yield of 96 % and robust during catalysis. This allowed to reuse the same catalyst multiple times with nearly constant efficiency. Mechanistic studies, in particular by DFT, give a detailed picture how the catalyst operates. The benzimidazolium unit stabilizes the coordinated enolate nucleophile and prevents that acetate/acetic acid dissociate from the catalyst.
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Affiliation(s)
- Andreas C Hans
- Universität Stuttgart, Institut für Organische Chemie, Pfaffenwaldring 55, 70569, Stuttgart, Germany
| | - Patrick M Becker
- Universität Stuttgart, Institut für Theoretische Chemie, Pfaffenwaldring 55, 70569, Stuttgart, Germany
| | - Johanna Haußmann
- Universität Stuttgart, Institut für Organische Chemie, Pfaffenwaldring 55, 70569, Stuttgart, Germany
| | - Simon Suhr
- Universität Stuttgart, Institut für Anorganische Chemie, Pfaffenwaldring 55, 70569, Stuttgart, Germany
| | - Daniel M Wanner
- Universität Stuttgart, Institut für Organische Chemie, Pfaffenwaldring 55, 70569, Stuttgart, Germany
| | - Vera Lederer
- Universität Stuttgart, Institut für Organische Chemie, Pfaffenwaldring 55, 70569, Stuttgart, Germany
| | - Felix Willig
- Universität Stuttgart, Institut für Organische Chemie, Pfaffenwaldring 55, 70569, Stuttgart, Germany
| | - Wolfgang Frey
- Universität Stuttgart, Institut für Organische Chemie, Pfaffenwaldring 55, 70569, Stuttgart, Germany
| | - Biprajit Sarkar
- Universität Stuttgart, Institut für Anorganische Chemie, Pfaffenwaldring 55, 70569, Stuttgart, Germany
| | - Johannes Kästner
- Universität Stuttgart, Institut für Theoretische Chemie, Pfaffenwaldring 55, 70569, Stuttgart, Germany
| | - René Peters
- Universität Stuttgart, Institut für Organische Chemie, Pfaffenwaldring 55, 70569, Stuttgart, Germany
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3
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Yuan YC, Mellah M, Schulz E, David ORP. Making Chiral Salen Complexes Work with Organocatalysts. Chem Rev 2022; 122:8841-8883. [PMID: 35266711 DOI: 10.1021/acs.chemrev.1c00912] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Bisimine derivatives of salicylaldehyde with chiral diamines (salens) are privileged ligands in asymmetric organometallic catalysis, which can be used in cooperation with organocatalysts as additives. The latter can be a modifier of the metal reactivity by liganding or a true co-catalyst working in tandem or in a dual system. All scenarios encountered in the literature are reviewed and classified according to the organocatalyst. In each case, mechanistic and physical-organic chemistry considerations are discussed to better understand the gears of these complex catalytic settings.
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Affiliation(s)
- Yu-Chao Yuan
- Université Paris-Saclay, CNRS, Institut de Chimie Moléculaire et des Matériaux d'Orsay, 91405 Orsay, France.,Institut Lavoisier de Versailles, 45 avenue des Etats-Unis, 78035 Versailles, France
| | - Mohamed Mellah
- Université Paris-Saclay, CNRS, Institut de Chimie Moléculaire et des Matériaux d'Orsay, 91405 Orsay, France
| | - Emmanuelle Schulz
- Université Paris-Saclay, CNRS, Institut de Chimie Moléculaire et des Matériaux d'Orsay, 91405 Orsay, France
| | - Olivier R P David
- Institut Lavoisier de Versailles, 45 avenue des Etats-Unis, 78035 Versailles, France
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4
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Li G, Ma M, Wang G, Wang X, Lei X. Efficient Enantiodifferentiation of Carboxylic Acids Using BINOL-Based Amino Alcohol as a Chiral NMR Solvating Agent. Front Chem 2020; 8:336. [PMID: 32432082 PMCID: PMC7213237 DOI: 10.3389/fchem.2020.00336] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Accepted: 04/01/2020] [Indexed: 12/30/2022] Open
Abstract
A new optically active BINOL-amino alcohol has been designed and synthesized in a good yield and applied as chiral nuclear magnetic resonance (NMR) solvating agent for enantioselective recognition. Analysis by 1H NMR spectroscopy demonstrated that it has excellent enantiodifferentiation properties toward carboxylic acids and non-steroidal anti-inflammatory drugs (14 examples). The non-equivalent chemical shifts (up to 0.641 ppm) of various mandelic acids were evaluated by the reliable peak of well-resolved 1H NMR signals. In addition, enantiomeric excesses of the ortho-chloro-mandelic acid with different enantiomeric ratio were calculated based on integration of proton well-separated splitting signals.
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Affiliation(s)
- Gaowei Li
- College of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu, China
| | - Minshan Ma
- School of Pharmaceutical Sciences, South Central University for Nationalities, Wuhan, China
| | - Guifang Wang
- School of Pharmaceutical Sciences, South Central University for Nationalities, Wuhan, China
| | - Xiaojuan Wang
- College of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu, China
| | - Xinxiang Lei
- School of Pharmaceutical Sciences, South Central University for Nationalities, Wuhan, China
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5
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Chinnaraja E, Arunachalam R, Samanta K, Natarajan R, Subramanian PS. Enantioselective Michael Addition Reaction Catalysed by Enantiopure Binuclear Nickel(II) Close‐Ended Helicates. Adv Synth Catal 2020. [DOI: 10.1002/adsc.201901350] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Eswaran Chinnaraja
- Inorganic Materials and Catalysis DivisionCSIR-Central Salt and Marine Chemicals Research Institute (CSIR-CSMCRI) Bhavnagar 364 002, Gujarat India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Rajendran Arunachalam
- Inorganic Materials and Catalysis DivisionCSIR-Central Salt and Marine Chemicals Research Institute (CSIR-CSMCRI) Bhavnagar 364 002, Gujarat India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Krishanu Samanta
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
- Organic & Medicinal Chemistry DivisionCSIR-Indian Institute of Chemical Biology Kolkata India
| | - Ramalingam Natarajan
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
- Organic & Medicinal Chemistry DivisionCSIR-Indian Institute of Chemical Biology Kolkata India
| | - Palani S. Subramanian
- Inorganic Materials and Catalysis DivisionCSIR-Central Salt and Marine Chemicals Research Institute (CSIR-CSMCRI) Bhavnagar 364 002, Gujarat India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
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6
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Willig F, Lang J, Hans AC, Ringenberg MR, Pfeffer D, Frey W, Peters R. Polyfunctional Imidazolium Aryloxide Betaine/Lewis Acid Catalysts as Tools for the Asymmetric Synthesis of Disfavored Diastereomers. J Am Chem Soc 2019; 141:12029-12043. [DOI: 10.1021/jacs.9b04902] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Felix Willig
- Institut für Organische Chemie, Universität Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - Johannes Lang
- Institut für Organische Chemie, Universität Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - Andreas C. Hans
- Institut für Organische Chemie, Universität Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - Mark R. Ringenberg
- Institut für Anorganische Chemie, Universität Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - Daniel Pfeffer
- Institut für Organische Chemie, Universität Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - Wolfgang Frey
- Institut für Organische Chemie, Universität Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - René Peters
- Institut für Organische Chemie, Universität Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
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7
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Griffiths K, Kostakis GE. Transformative 3d-4f coordination cluster carriers. Dalton Trans 2018; 47:12011-12034. [PMID: 30051130 DOI: 10.1039/c8dt02362j] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The aim of this perspective is to summarise the use of the reported 3d-4f Coordination Clusters (CCs) in catalytic reactions and to demonstrate the potential of this emerging field. The pioneering work of Shibasaki, Matsunaga and others, demonstrated the use of 3d-4f in situ systems to catalyse asymmetric organic transformations. Our recent studies show that well characterised 3d-4f CCs catalyse numerous organic transformations and useful mechanistic aspects of their catalysis can be obtained. Furthermore, we have shown that by manipulation of the metal ion coordination environment; the nature of the 3d and lanthanide ions and the organic periphery of the ligand can all improve the efficacy of a 3d-4f CC catalyst. All in situ formed and well characterized 3d-4f CCs involved in catalysis are discussed.
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Affiliation(s)
- Kieran Griffiths
- Department of Chemistry, School of Life Sciences, University of Sussex, Brighton BN1 9QJ, UK.
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8
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Chen G, Liang G, Wang Y, Deng P, Zhou H. A homodinuclear cobalt complex for the catalytic asymmetric Michael reaction of β-ketoesters to nitroolefins. Org Biomol Chem 2018; 16:3841-3850. [DOI: 10.1039/c8ob00773j] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
A homodinuclear Co2/aminophenol sulfonamide complex has been developed for the asymmetric Michael reaction.
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Affiliation(s)
- Guanghui Chen
- School of Pharmaceutical Science
- Chongqing Medical University
- Chongqing 400016
- P. R. China
| | - Guojuan Liang
- School of Pharmaceutical Science
- Chongqing Medical University
- Chongqing 400016
- P. R. China
| | - Yiwu Wang
- Pharmaceutical Teaching Laboratory Centre
- Chongqing Medical University
- Chongqing 400016
- P. R. China
| | - Ping Deng
- School of Pharmaceutical Science
- Chongqing Medical University
- Chongqing 400016
- P. R. China
| | - Hui Zhou
- School of Pharmaceutical Science
- Chongqing Medical University
- Chongqing 400016
- P. R. China
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9
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Schmid J, Frey W, Peters R. Polynuclear Enantiopure Salen–Mesoionic Carbene Hybrid Complexes. Organometallics 2017. [DOI: 10.1021/acs.organomet.7b00729] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Juliane Schmid
- Institut für Organische Chemie, Universität Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - Wolfgang Frey
- Institut für Organische Chemie, Universität Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
| | - René Peters
- Institut für Organische Chemie, Universität Stuttgart, Pfaffenwaldring 55, D-70569 Stuttgart, Germany
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10
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Lu Q, Lei K. Crystal structure of bis(2,4-dibromo-6-{( E)[(4-fluorobenzyl)imino]methyl}phenolato-κ 2
N, O) copper(II), C 28H 18Br 4F 2N 2O 2Cu. Z KRIST-NEW CRYST ST 2016. [DOI: 10.1515/ncrs-2015-0200] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
C28H18Br4CuF2N2O2, monoclinic, C2 (no. 5), a = 14.6518(8) Å, b = 9.6738(5) Å, c = 11.1907(6) Å, β = 121.182(8)°, V = 1357.00(17) Å3, Z = 2, R
gt
(F) = 0.0632, wR
ref
(F
2
) = 0.0762, T = 293 K.
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Affiliation(s)
- Qiong Lu
- State Key Lab. Base of Novel Functional Materials and Preparation Science, Institute of Solid Materials Chemistry, Faculty of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, People's Republic of China
| | - KeWei Lei
- State Key Lab. Base of Novel Functional Materials and Preparation Science, Institute of Solid Materials Chemistry, Faculty of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, People's Republic of China
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11
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Xu Y, Yu S, Chen Q, Chen X, Xiao M, Chen L, Yu X, Xu Y, Pu L. Greatly Enhanced Fluorescence by Increasing the Structural Rigidity of an Imine: Enantioselective Recognition of 1,2-Cyclohexanediamine by a Chiral Aldehyde. Chemistry 2016; 22:5963-8. [DOI: 10.1002/chem.201504686] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2015] [Indexed: 12/16/2022]
Affiliation(s)
- Yimang Xu
- Key Laboratory of Green Chemistry and Technology; Ministry of Education; College of Chemistry; Sichuan University; Chengdu 610064 P. R. China
| | - Shanshan Yu
- Key Laboratory of Green Chemistry and Technology; Ministry of Education; College of Chemistry; Sichuan University; Chengdu 610064 P. R. China
| | - Qi Chen
- Key Laboratory of Green Chemistry and Technology; Ministry of Education; College of Chemistry; Sichuan University; Chengdu 610064 P. R. China
| | - Xuemin Chen
- Key Laboratory of Green Chemistry and Technology; Ministry of Education; College of Chemistry; Sichuan University; Chengdu 610064 P. R. China
| | - Meng Xiao
- Key Laboratory of Green Chemistry and Technology; Ministry of Education; College of Chemistry; Sichuan University; Chengdu 610064 P. R. China
| | - Liming Chen
- Key Laboratory of Green Chemistry and Technology; Ministry of Education; College of Chemistry; Sichuan University; Chengdu 610064 P. R. China
| | - Xiaoqi Yu
- Key Laboratory of Green Chemistry and Technology; Ministry of Education; College of Chemistry; Sichuan University; Chengdu 610064 P. R. China
| | - Yong Xu
- Humanwell Healthcare (Group) Co., LTD.; 666 Gaoxin Road, East High-Tech Development Zone, Wuhan Hubei 430075 P. R. China
| | - Lin Pu
- Key Laboratory of Green Chemistry and Technology; Ministry of Education; College of Chemistry; Sichuan University; Chengdu 610064 P. R. China
- Department of Chemistry; University of Virginia; McCormick Rd Charlottesville VA 22904 USA
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12
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13
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A simple complex: ‘on–off–on’ colorimetric and ratiometric fluorescence response towards fluoride ions and its solid state optical properties. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.02.076] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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14
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Walvoord RR, Kozlowski MC. Cinchonidinium acetate as a convenient catalyst for the asymmetric synthesis of cis-stilbenediamines. Tetrahedron Lett 2015; 56:3070-3074. [PMID: 26041941 PMCID: PMC4450089 DOI: 10.1016/j.tetlet.2014.12.105] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Inexpensive and readily available cinchonidinium acetate is an effective catalyst for the syn-selective aza-Henry reaction of arylnitromethanes and aryl imines. The resulting masked cis-stilbenediamine products are produced in excellent diastereoselectivity and good enantioselectivity, and enantiopure material can be achieved via recrystallization. The features of the cinchona catalyst needed for selectivity are discussed, with specific emphasis on formation of a kinetically controlled syn-product without epimerization of the highly acidic α-nitro stereocenter.
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Affiliation(s)
- Ryan R. Walvoord
- Department of Chemistry, Roy and Diana Vagelos Laboratories, University of Pennsylvania, Philadelphia, PA 19104, United States
| | - Marisa C. Kozlowski
- Department of Chemistry, Roy and Diana Vagelos Laboratories, University of Pennsylvania, Philadelphia, PA 19104, United States
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15
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Chiral Bimetallic Lewis Acids. TOP ORGANOMETAL CHEM 2015. [DOI: 10.1007/3418_2015_153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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16
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Wu S, Tang J, Han J, Mao D, Liu X, Gao X, Yu J, Wang L. Design of C2-symmetric salen ligands and their Co(II)- or Yb(III)-complexes, and their role in the reversal of enantioselectivity in the asymmetric Henry reaction. Tetrahedron 2014. [DOI: 10.1016/j.tet.2014.05.085] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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17
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Caricato M, Sharma AK, Coluccini C, Pasini D. Nanostructuring with chirality: binaphthyl-based synthons for the production of functional oriented nanomaterials. NANOSCALE 2014; 6:7165-7174. [PMID: 24848159 DOI: 10.1039/c4nr00801d] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Chirality is a powerful tool for the generation of order, directionality, and, as such, of function, in assembled nanoscale chemical devices. Axially chiral binaphthyls have been widely used in organic synthesis; the stability of the enantiomers enables their use as robust chirality inducers and catalysts in asymmetric reactions, and they are nowadays industrially applied in a variety of organic transformations. Applications of these compounds in the field of nanosciences are more recent, and not yet fully explored. The integration of such a robust class of chiral compounds, capable of efficient transfer of stereochemical information, into functional aggregates and nanoarchitectures is of great current interest. We will discuss preeminent examples of applications of these synthons in several fields of nanoscience, such as reticular chemistry, non-linear optical materials and imaging, and liquid crystals.
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Affiliation(s)
- Marco Caricato
- Department of Chemistry, University of Pavia, Viale Taramelli 10, 27100 Pavia, Italy.
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18
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Basu Baul TS, Kundu S, Höpfl H, Tiekink ER, Linden A. Synthesis, structures, and spectroscopic properties of Hg(II) complexes of bidentate NN and tridentate NNO Schiff-base ligands. J COORD CHEM 2014. [DOI: 10.1080/00958972.2014.901508] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Tushar S. Basu Baul
- Centre for Advanced Studies in Chemistry, North-Eastern Hill University, NEHU Permanent Campus, Shillong, India
| | - Sajal Kundu
- Centre for Advanced Studies in Chemistry, North-Eastern Hill University, NEHU Permanent Campus, Shillong, India
| | - Herbert Höpfl
- Centro de Investigaciones Químicas, Universidad Autónoma del Estado de Morelos, Cuernavaca, Mexico
| | | | - Anthony Linden
- Department of Chemistry, University of Zurich, Zurich, Switzerland
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19
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Wu S, Zhang K, Wang Y, Mao D, Liu X, Yu J, Wang L. A novel Cr3+ turn-on probe based on naphthalimide and BINOL framework. Tetrahedron Lett 2014. [DOI: 10.1016/j.tetlet.2013.11.024] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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20
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Agnes M, Sorrenti A, Pasini D, Wurst K, Amabilino DB. Crystal structure analyses facilitate understanding of synthesis protocols in the preparation of 6,6′-dibromo-substituted BINOL compounds. CrystEngComm 2014. [DOI: 10.1039/c4ce01160k] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
A combination of crystallographic and spectroscopic techniques has been used in order to address thorough purification protocols for a series of atropisomeric 1,1′-binaphthalene-2,2′-diol (BINOL) derivatives to be used as building blocks for chiral nanoscale constructs.
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Affiliation(s)
- Marco Agnes
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC)
- Campus Universitari de Bellaterra
- 08193 Cerdanyola del Vallès, Spain
- Department of Chemistry and INSTM Research Unit
- University of Pavia
| | - Alessandro Sorrenti
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC)
- Campus Universitari de Bellaterra
- 08193 Cerdanyola del Vallès, Spain
| | - Dario Pasini
- Department of Chemistry and INSTM Research Unit
- University of Pavia
- Pavia, Italy
| | - Klaus Wurst
- Institut für Anorganische Chemie
- A-6020 Innsbruck, Austria
| | - David B. Amabilino
- Institut de Ciència de Materials de Barcelona (ICMAB-CSIC)
- Campus Universitari de Bellaterra
- 08193 Cerdanyola del Vallès, Spain
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21
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Bratko I, Gómez M. Polymetallic complexes linked to a single-frame ligand: cooperative effects in catalysis. Dalton Trans 2013; 42:10664-81. [PMID: 23793879 DOI: 10.1039/c3dt50963j] [Citation(s) in RCA: 119] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
In an eco-friendly development, catalysis represents the key approach for converting raw materials into valuable products, particularly convenient for multi-step transformations. Mimicking Nature seems the smartest way to design poly-functional assemblies leading to the design of "synergic" catalysts. This perspective focuses on the advances in the conception of polymetallic catalysts bonded to a single ligand frame.
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Affiliation(s)
- Ielyzaveta Bratko
- Laboratoire Hétérochimie Fondamentale et Appliquée UMR CNRS 5069, Université Paul Sabatier, 118 route de Narbonne, 31062 Toulouse Cedex 9, France
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Abstract
The efficient synthesis of enantioenriched compounds is becoming increasingly important in modern organic, pharmaceutical, and materials chemistry. Recently, chiral cooperative bimetallic catalysts have emerged as a powerful tool to achieve high efficiency and selectivity in asymmetric transformations. This tutorial review highlights strategies and recent advances in cooperative bimetallic catalysts which have been developed for a variety of asymmetric transformations.
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Affiliation(s)
- Jongwoo Park
- University of Florida, Department of Chemistry, Gainesville, Florida, USA
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23
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Gou Y, Liu Y, Zhao XH, Li YG, Chen W. Synthesis and crystal structures of two new Schiff base cobalt(II) and nickel(II) complexes. RUSS J COORD CHEM+ 2012. [DOI: 10.1134/s1070328412120019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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24
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Bhardwaj VK, Hundal MS, Corbella M, Gómez V, Hundal G. Salicylaldimine Schiff bases – Generation of self-assembled and chiral complexes with Ni(II) and Zn(II) ions. An unusual antiferromagnetic interaction in a triply bridged Ni(II) dimer. Polyhedron 2012. [DOI: 10.1016/j.poly.2012.03.029] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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25
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Verga D, Percivalle C, Doria F, Porta A, Freccero M. Protecting group free synthesis of 6-substituted naphthols and binols. J Org Chem 2011; 76:2319-23. [PMID: 21384814 DOI: 10.1021/jo1025892] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A straightforward route for the preparation of 6-substituted naphthols and 6,6'-disubstituted binols (binol = 2,2'-dihydroxy-1,1'-binaphthyl) is presented. The synthesis has been accomplished by a one-step procedure starting from 6-bromo derivatives via direct lithiation with n-BuLi, followed by the addition of several electrophiles. This C-C functionalization has been successfully achieved with iodomethane, 3-methoxybenzaldehyde, benzophenone, methyl-2-methylbenzoate, methylbenzoate, dimethyl carbonate, ethyl 2-chloro-2-oxoacetate, and 2,2-dimethyloxirane (E). This reactivity offers a useful protecting group free synthetic protocol, toward chiral disubstituted 6,6'-binols with configuration retention of the binol moiety.
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Affiliation(s)
- Daniela Verga
- Dipartimento di Chimica Organica, Università di Pavia, V.le Taramelli 10, 27100 Pavia, Italy.
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26
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Coluccini C, Mazzanti A, Pasini D. Locked chromophores as CD and NMR probes for the helical conformation of tetraamidic macrocycles. Org Biomol Chem 2010; 8:1807-15. [DOI: 10.1039/b924400j] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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27
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Huang X, Xu Y, Miao Q, Zong L, Hu H, Cheng Y. Synthesis and properties of chiral helical polymers based on optically active polybinaphthyls. POLYMER 2009. [DOI: 10.1016/j.polymer.2009.04.043] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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28
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Sun J, Yang M, Yuan F, Jia X, Yang X, Pan Y, Zhu C. Catalytic Asymmetric Ring-Opening Reaction ofmeso-Epoxides with Aryl Selenols and Thiols Catalyzed by a Heterobimetallic Gallium-Titanium-Salen Complex. Adv Synth Catal 2009. [DOI: 10.1002/adsc.200800767] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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29
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Chen Z, Yakura K, Matsunaga S, Shibasaki M. Direct Catalytic Asymmetric Mannich-Type Reaction of β-Keto Phosphonate Using a Dinuclear Ni2−Schiff Base Complex. Org Lett 2008; 10:3239-42. [DOI: 10.1021/ol800965t] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Zhihua Chen
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Kenichiro Yakura
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Shigeki Matsunaga
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Masakatsu Shibasaki
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo 113-0033, Japan
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30
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Soki F, Neudörfl JM, Goldfuss B. Homo- vs. heterometallic organoaluminum fencholates: Structures and selectivities. J Organomet Chem 2008. [DOI: 10.1016/j.jorganchem.2008.03.013] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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31
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Coluccini C, Castelluccio A, Pasini D. Chemoselective Functionalization of 3,3′-Substituted BINOL Derivatives. J Org Chem 2008; 73:4237-40. [DOI: 10.1021/jo800315s] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Carmine Coluccini
- Department of Organic Chemistry, University of Pavia, Viale Taramelli, 10, 27100 Pavia, Italy
| | - Antonio Castelluccio
- Department of Organic Chemistry, University of Pavia, Viale Taramelli, 10, 27100 Pavia, Italy
| | - Dario Pasini
- Department of Organic Chemistry, University of Pavia, Viale Taramelli, 10, 27100 Pavia, Italy
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32
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Belokon′ YN, Clegg W, Harrington RW, North M, Young C. In Situ Formation of Heterobimetallic Salen Complexes Containing Titanium and/or Vanadium Ions. Inorg Chem 2008; 47:3801-14. [DOI: 10.1021/ic702451a] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yuri N. Belokon′
- School of Natural Sciences and University Research Centre in Catalysis and Intensified Processing, Bedson Building, Newcastle University, Newcastle upon Tyne, NE1 7RU, U.K. and A. N. Nesmeyanov Institute of Organo-Element Compounds, Russian Academy of Sciences, 117813, Moscow, Vavilov 28, Russian Federation
| | - William Clegg
- School of Natural Sciences and University Research Centre in Catalysis and Intensified Processing, Bedson Building, Newcastle University, Newcastle upon Tyne, NE1 7RU, U.K. and A. N. Nesmeyanov Institute of Organo-Element Compounds, Russian Academy of Sciences, 117813, Moscow, Vavilov 28, Russian Federation
| | - Ross W. Harrington
- School of Natural Sciences and University Research Centre in Catalysis and Intensified Processing, Bedson Building, Newcastle University, Newcastle upon Tyne, NE1 7RU, U.K. and A. N. Nesmeyanov Institute of Organo-Element Compounds, Russian Academy of Sciences, 117813, Moscow, Vavilov 28, Russian Federation
| | - Michael North
- School of Natural Sciences and University Research Centre in Catalysis and Intensified Processing, Bedson Building, Newcastle University, Newcastle upon Tyne, NE1 7RU, U.K. and A. N. Nesmeyanov Institute of Organo-Element Compounds, Russian Academy of Sciences, 117813, Moscow, Vavilov 28, Russian Federation
| | - Carl Young
- School of Natural Sciences and University Research Centre in Catalysis and Intensified Processing, Bedson Building, Newcastle University, Newcastle upon Tyne, NE1 7RU, U.K. and A. N. Nesmeyanov Institute of Organo-Element Compounds, Russian Academy of Sciences, 117813, Moscow, Vavilov 28, Russian Federation
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33
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Wu L, Zheng L, Zong L, Xu J, Cheng Y. Asymmetric addition of phenylacetylene to aldehydes catalyzed by soluble optically active polybinaphthols ligand. Tetrahedron 2008. [DOI: 10.1016/j.tet.2007.12.058] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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34
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Chiral Ti(IV) complexes of hexadentate Schiff bases as precatalysts for aldehyde allylation: unusual additive effect of trimethylsilyl chloride. ACTA ACUST UNITED AC 2008. [DOI: 10.1016/j.tetasy.2008.01.035] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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35
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ZOU XW, ZHENG LF, WU LL, ZONG LL, CHENG YX. Bifunctional Enantioselective Ligands of Chiral BINOL Derivatives for Asymmetric Addition of Alkynylzinc to Aldehydes. CHINESE J CHEM 2008. [DOI: 10.1002/cjoc.200890072] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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36
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Titanium (IV) as an essential promoter in the asymmetric addition of diethylzinc to aldehydes catalyzed by aminonaphthol and imine ligands based on 3-substituted binaphthol. J Organomet Chem 2007. [DOI: 10.1016/j.jorganchem.2007.07.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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37
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Li ZB, Lin J, Sabat M, Hyacinth M, Pu L. Enantioselective fluorescent recognition of chiral acids by cyclohexane-1,2-diamine-based bisbinaphthyl molecules. J Org Chem 2007; 72:4905-16. [PMID: 17530897 PMCID: PMC2536617 DOI: 10.1021/jo0704715] [Citation(s) in RCA: 90] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The cyclohexane-1,2-diamine-based bisbinaphthyl macrocycles (S)-/(R)-5 and their cyclic and acyclic analogues are synthesized. The interactions of these compounds with various chiral acids are studied. Compounds (S)-/(R)-5 exhibit highly enantioselective fluorescent responses and high fluorescent sensitivity toward alpha-hydroxycarboxylic acids and N-protected amino acids. Among these interactions, (S)-mandelic acid (10(-3) M) led to over 20-fold fluorescence enhancement of (S)-5 (1.0 x 10(-5) M in benzene/0.05% DME) at the monomer emission, and (S)-hexahydromandelic acid (10(-3) M) led to over 80-fold fluorescence enhancement. These results demonstrate that (S)-5 is useful as an enantioselective fluorescent sensor for the recognition of the chiral acids. On the basis of the study of the structures of (S)-5 and the previously reported 1,2-diphenylethylenediamine-based bisbinaphthyl macrocycle (S)-4, the large fluorescence enhancement of (S)-5 with a chirality-matched alpha-hydroxycarboxylic acid is attributed to the formation of a structurally rigidified host-guest complex and the further interaction of this complex with the acid to suppress the photoinduced electron-transfer fluorescent quenching caused by the nitrogens in (S)-5.
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38
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Belokon YN, Chusov D, Borkin DA, Yashkina LV, Dmitriev AV, Katayev D, North M. Chiral Ti(IV) complexes of hexadentate Schiff bases as precatalysts for the asymmetric addition of TMSCN to aldehydes and the ring opening of cyclohexene oxide. ACTA ACUST UNITED AC 2006. [DOI: 10.1016/j.tetasy.2006.08.009] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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39
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Asymmetric Michael Reaction of Malonate Derivatives with α,β-Unsaturated Ketones Using Chiral Quaternary Ammonium Salts. B KOREAN CHEM SOC 2006. [DOI: 10.5012/bkcs.2006.27.6.857] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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40
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Qin YC, Pu L. Highly Enantioselective Addition of Diphenylzinc to Aliphatic and Aromatic Aldehydes Catalyzed by a Readily Available H8-Binol Derivative. Angew Chem Int Ed Engl 2006. [DOI: 10.1002/ange.200503206] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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41
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Qin YC, Pu L. Highly Enantioselective Addition of Diphenylzinc to Aliphatic and Aromatic Aldehydes Catalyzed by a Readily Available H8-Binol Derivative. Angew Chem Int Ed Engl 2006; 45:273-7. [PMID: 16315332 DOI: 10.1002/anie.200503206] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Ying-Chuan Qin
- Department of Chemistry, University of Virginia, Charlottesville, VA 22904-4319, USA
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42
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Qin YC, Liu L, Pu L. On-Step Synthesis of a Bifunctional BINOL Ligand for the Highly Enantioselective Cyanation of Aliphatic Aldehydes. Org Lett 2005; 7:2381-3. [PMID: 15932203 DOI: 10.1021/ol050660e] [Citation(s) in RCA: 69] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
[reaction: see text] An efficient one-step synthesis of the optically active bifunctional BINOL ligand (S)-3 has been developed. It was found that (S)-3 in combination with Me2AlCl is a highly enantioselective catalyst for the addition of TMSCN to aliphatic aldehydes of diverse structures and is also among the most practical ones. A remarkable positive nonlinear effect was found for this chiral ligand.
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Affiliation(s)
- Ying-Chuan Qin
- Department of Chemistry, University of Virginia, Charlottesville, Virginia 22904-4319, USA
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43
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Wiznycia AV, Desper J, Levy CJ. Iron(ii) and zinc(ii) monohelical binaphthyl salen complexes. Chem Commun (Camb) 2005:4693-5. [PMID: 16175295 DOI: 10.1039/b508538a] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new chiral binaphthyl salen ligand with rigid polyaromatic sidearms gives monohelical complexes (Fe(II) and Zn(II)) of predetermined handedness.
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Affiliation(s)
- Alexander V Wiznycia
- 111 Willard Hall, Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, USA
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44
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Enantioselective fluorescent recognition of chiral acids by 3- and 3,3′-aminomethyl substituted BINOLs. Tetrahedron 2004. [DOI: 10.1016/j.tet.2004.08.050] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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45
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Synthesis, characterization, and structure of dinuclear copper(I) and silver(I) complexes of ortho-functionalized 1,3-bis(aryl)triazenide ligands. Polyhedron 2003. [DOI: 10.1016/s0277-5387(02)01413-4] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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46
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Dalla Cort A, Mandolini L, Palmieri G, Pasquini C, Schiaffino L. Unprecedented detection of inherent chirality in uranyl–salophen complexes. Chem Commun (Camb) 2003:2178-9. [PMID: 13678189 DOI: 10.1039/b306478f] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In complexes with the uranyl dication salophen ligands are highly puckered. This implies that non-symmetrically substituted uranyl-salophen derivatives exist in principle as a pair of enantiomers. However, due to easy disrotations about the bonds connecting the phenoxide units to the imine carbons, the rate of interconversion between enantiomeric forms of simple, sterically unhindered compounds is extremely fast. Bulky substituents in appropriate positions decrease the interconversion rate and make this novel type of inherent chirality detectable by 1H and 13C NMR.
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47
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Furusho Y, Sohgawa YH, Kihara N, Takata T. Photoreaction of Cinnamate with Nitrogen Monoxide Catalyzed by Metallosalen Complexes. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2002. [DOI: 10.1246/bcsj.75.2025] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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48
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Shibasaki M, Yoshikawa N. Lanthanide complexes in multifunctional asymmetric catalysis. Chem Rev 2002; 102:2187-210. [PMID: 12059266 DOI: 10.1021/cr010297z] [Citation(s) in RCA: 974] [Impact Index Per Article: 44.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Masakatsu Shibasaki
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
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49
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Xu Y, Ohori K, Ohshima T, Shibasaki M. A practical large-scale synthesis of enantiomerically pure 3-[bis(methoxycarbonyl)methyl]cyclohexanone via catalytic asymmetric Michael reaction. Tetrahedron 2002. [DOI: 10.1016/s0040-4020(02)00141-2] [Citation(s) in RCA: 60] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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50
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Pigge F, Zheng Z. The preparation of 1,3,5-tris(1,1′-binaphthoyl)benzene via amine-catalyzed alkyne trimerization. Tetrahedron Lett 2001. [DOI: 10.1016/s0040-4039(01)01768-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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