1
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Jastrzębska K. An efficient alternative to DBU in the oxathiaphospholane (OTP) method for the solid phase synthesis of P-stereodefined phosphorothioate analogs. RSC Adv 2024; 14:21174-21179. [PMID: 38966816 PMCID: PMC11223669 DOI: 10.1039/d4ra02833c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Accepted: 06/23/2024] [Indexed: 07/06/2024] Open
Abstract
This study presents a modified (extended) 1,3,2-oxathiaphospholane (OTP) method for the synthesis of P-stereodefined phosphorothioate analogs in the presence of previously unused organic bases. TBD (5,7-triazabicyclo[4.4.0]dec-5-ene) and Verkade's proazaphosphatrane (2,8,9-trimethyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane) are herein used for the first time as efficient organic bases compared to DBU, which is commonly used in the OTP approach.
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Affiliation(s)
- Katarzyna Jastrzębska
- Centre of Molecular and Macromolecular Studies, Polish Academy of Sciences, Department of Bioorganic Chemistry Sienkiewicza 112 90-363 Łódź Poland
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2
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Nobbs JD, Tay DWP, Yeap YH, Tiong YL, Ye S, Aitipamula S, Wang C, Cheong CB, van Meurs M. Dioxaphosphabicyclooctanes: small caged phosphines from tris(hydroxymethyl)phosphine. Dalton Trans 2023; 52:17954-17965. [PMID: 37982283 DOI: 10.1039/d3dt02577b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2023]
Abstract
Dioxaphosphabicyclo[2.2.2]octanes (L1-L4) have been prepared in a one-pot reaction from tris(hydroxymethyl)phosphine and various α,β-unsaturated ketones. The non-volatile phosphines oxidise very slowly in air. They possess highly upfield 31P chemical shifts (-59 to -70 ppm), small cone angles (121-140°) and a similar electronic parameter to PPh3. Reaction of L1 with [Rh(acac)(CO)2] gave the complex [Rh(acac)(CO)(L1)] with a ν(CO) of 1981.5 cm-1, whereas reaction L1 with [Rh(CO)2Cl]2 gave [Rh(CO)(L1)2Cl] with a ν(CO) of 1979.9 cm-1, remarkably similar to the CO stretching frequencies reported for analogous PPh3 complexes. The cage phosphines were explored as ligands in rhodium catalysed hydroformylation of 1-octene. All of the ligands gave a linear selectivity to n-nonanal of 68%, regardless of the substituents. However the ligand substituents had a significant effect on the catalyst activity, with increased steric bulk around the coordination environment giving a three-fold increase in aldehyde yield. The phosphines undergo ligand subsitution with [Pd(MeCN)2Cl2] forming square planar trans-[Pd(L)2Cl2] complexes. Subsequent reduction with hydrazine furnishes homoleptic tetravalent [Pd(L1)4] which was applied as a catalyst in Suzuki-Miyaura couplings, furnishing the C-C coupled products in moderate yields.
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Affiliation(s)
- James D Nobbs
- Institute of Sustainability for Chemicals, Energy and Environment (ISCE2), Agency for Science, Technology and Research (A*STAR), 1 Pesek Road, Jurong Island, Singapore 627833, Republic of Singapore.
| | - Dillon Wei Peng Tay
- Institute of Sustainability for Chemicals, Energy and Environment (ISCE2), Agency for Science, Technology and Research (A*STAR), 1 Pesek Road, Jurong Island, Singapore 627833, Republic of Singapore.
| | - Yoon Hui Yeap
- Institute of Sustainability for Chemicals, Energy and Environment (ISCE2), Agency for Science, Technology and Research (A*STAR), 1 Pesek Road, Jurong Island, Singapore 627833, Republic of Singapore.
| | - Yong Lun Tiong
- Institute of Sustainability for Chemicals, Energy and Environment (ISCE2), Agency for Science, Technology and Research (A*STAR), 1 Pesek Road, Jurong Island, Singapore 627833, Republic of Singapore.
| | - Suming Ye
- Institute of Sustainability for Chemicals, Energy and Environment (ISCE2), Agency for Science, Technology and Research (A*STAR), 1 Pesek Road, Jurong Island, Singapore 627833, Republic of Singapore.
| | - Srinivasulu Aitipamula
- Institute of Sustainability for Chemicals, Energy and Environment (ISCE2), Agency for Science, Technology and Research (A*STAR), 1 Pesek Road, Jurong Island, Singapore 627833, Republic of Singapore.
| | - Cun Wang
- Institute of Sustainability for Chemicals, Energy and Environment (ISCE2), Agency for Science, Technology and Research (A*STAR), 1 Pesek Road, Jurong Island, Singapore 627833, Republic of Singapore.
| | - Choon Boon Cheong
- Institute of Sustainability for Chemicals, Energy and Environment (ISCE2), Agency for Science, Technology and Research (A*STAR), 1 Pesek Road, Jurong Island, Singapore 627833, Republic of Singapore.
| | - Martin van Meurs
- Institute of Sustainability for Chemicals, Energy and Environment (ISCE2), Agency for Science, Technology and Research (A*STAR), 1 Pesek Road, Jurong Island, Singapore 627833, Republic of Singapore.
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3
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Manick AD, Dutasta JP, Nava P, Dufaud V, Gao G, Chatelet B, Martinez A. Synthesis, Characterizations and Applications of Fluoroazaphosphatranes. Chem Asian J 2022; 17:e202200115. [PMID: 35363422 DOI: 10.1002/asia.202200115] [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: 02/08/2022] [Revised: 03/08/2022] [Indexed: 11/12/2022]
Abstract
Haloazaphosphatranes are the halogenated parents of proazaphosphatranes, also known as Verkade's superbase. While the synthesis of iodo-, bromo- and chloroazaphosphatranes was reported more than thirty years ago by J. G. Verkade, the first synthesis of fluoroazaphosphatranes was only described in 2018 by Stephan et al. Currently, no common and versatile procedure exists to access fluoroazaphosphatranes platform with different structural characteristics. In this report, a new and simple synthesis of this class of compounds was developed based on the nucleophilic attack of the fluoride anion on chloroazaphosphatrane derivatives with good to high isolated yields for the corresponding fluoroazaphosphatranes (70-92%). The scope of the reaction was widened to fluoroazaphosphatranes bearing various substituents and X-ray molecular structures of two of them are reported. The stability of fluoroazaphosphatranes toward nucleophilic solvents like water has been investigated. As they revealed much more robust cations than their chloroazaphosphatrane parents, their chloride salts were tested as organocatalysts for the formation of cyclic carbonates from epoxides and CO2 . Fluoroazaphosphatranes proved to be both efficient and stable catalytic systems for CO2 conversion with catalytic activities similar to those of azaphosphatranes, and no decomposition of the cation was observed at the end of reaction.
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Affiliation(s)
| | - Jean-Pierre Dutasta
- Laboratoire de Chimie, École Normale Supérieure de Lyon, CNRS, 46 allée d'Italie, 69364, Lyon, France
| | - Paola Nava
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
| | - Véronique Dufaud
- Laboratoire de Chimie, Catalyse, Polymères, Procédés, CNRS UMR 5265, Université Claude Bernard Lyon1, CPE Lyon, 43 Bd du 11 novembre 1918, 69616, Villeurbanne cedex, France
| | - Guohua Gao
- Shanghia Key Laboratory of Green Chemistry and Chemical Processes, Department of Chemistry, East China Normal University, Shanghai, P. R. China
| | - Bastien Chatelet
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
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4
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Li C, Manick AD, Dutasta JP, Chatelet B, Martinez A, Bugaut X. Frustrated Behavior of Lewis/Brønsted Pairs inside Molecular Cages. Org Chem Front 2022. [DOI: 10.1039/d2qo00011c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Different endohedrally functionalized cages were designed to investigate the effects of the size and shape of molecular cavities on the frustrated behavior of Lewis/Brønsted acid-base pairs and on catalytic activities....
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5
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Vermersch F, Yazdani S, Junor GP, Grotjahn DB, Jazzar R, Bertrand G. Stable Singlet Carbenes as Organic Superbases. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202111588] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- François Vermersch
- UCSD-CNRS Joint Research Laboratory (IRL 3555) Department of Chemistry and Biochemistry University of California San Diego, La Jolla CA 92093-0358 USA
| | - Sima Yazdani
- UCSD-CNRS Joint Research Laboratory (IRL 3555) Department of Chemistry and Biochemistry University of California San Diego, La Jolla CA 92093-0358 USA
- Department of Chemistry and Biochemistry San Diego State University 5500 Campanile Drive San Diego CA 92182-1030 USA
| | - Glen P. Junor
- UCSD-CNRS Joint Research Laboratory (IRL 3555) Department of Chemistry and Biochemistry University of California San Diego, La Jolla CA 92093-0358 USA
| | - Douglas B. Grotjahn
- Department of Chemistry and Biochemistry San Diego State University 5500 Campanile Drive San Diego CA 92182-1030 USA
| | - Rodolphe Jazzar
- UCSD-CNRS Joint Research Laboratory (IRL 3555) Department of Chemistry and Biochemistry University of California San Diego, La Jolla CA 92093-0358 USA
| | - Guy Bertrand
- UCSD-CNRS Joint Research Laboratory (IRL 3555) Department of Chemistry and Biochemistry University of California San Diego, La Jolla CA 92093-0358 USA
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6
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Vermersch F, Yazdani S, Junor GP, Grotjahn DB, Jazzar R, Bertrand G. Stable Singlet Carbenes as Organic Superbases. Angew Chem Int Ed Engl 2021; 60:27253-27257. [PMID: 34729888 DOI: 10.1002/anie.202111588] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 10/18/2021] [Indexed: 11/10/2022]
Abstract
A simple experimental procedure for scaling carbene Brønsted basicity is described. The results highlight the strong basicity of pyrazol-4-ylidenes, a type of mesoionic carbene, also named cyclic-bentallenes (CBA). They are more basic (pKaH >42.7 in acetonitrile) than the popular proazaphosphatrane Verkade bases, and even the Schwesinger phosphazene superbase P4 (t Bu). The basicity of these compounds can readily be tuned, and they are accessible in multigram quantities. These results open new avenues for carbon centered superbases.
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Affiliation(s)
- François Vermersch
- UCSD-CNRS Joint Research Laboratory (IRL 3555), Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA, 92093-0358, USA
| | - Sima Yazdani
- UCSD-CNRS Joint Research Laboratory (IRL 3555), Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA, 92093-0358, USA.,Department of Chemistry and Biochemistry, San Diego State University, 5500 Campanile Drive, San Diego, CA, 92182-1030, USA
| | - Glen P Junor
- UCSD-CNRS Joint Research Laboratory (IRL 3555), Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA, 92093-0358, USA
| | - Douglas B Grotjahn
- Department of Chemistry and Biochemistry, San Diego State University, 5500 Campanile Drive, San Diego, CA, 92182-1030, USA
| | - Rodolphe Jazzar
- UCSD-CNRS Joint Research Laboratory (IRL 3555), Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA, 92093-0358, USA
| | - Guy Bertrand
- UCSD-CNRS Joint Research Laboratory (IRL 3555), Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, CA, 92093-0358, USA
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7
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Li C, Manick AD, Yang J, Givaudan D, Biletskyi B, Michaud-Chevalier S, Dutasta JP, Hérault D, Bugaut X, Chatelet B, Martinez A. The Chloroazaphosphatrane Motif for Halogen Bonding in Solution. Inorg Chem 2021; 60:11964-11973. [PMID: 34319095 DOI: 10.1021/acs.inorgchem.1c01005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Chloroazaphosphatranes, the corresponding halogenophosphonium cations of the Verkade superbases, were evaluated as a new motif for halogen bonding (XB). Their modulable synthesis allowed for synthetizing chloroazaphosphatranes with various substituents on the nitrogen atoms. The binding constants determined from NMR titration experiments for Cl-, Br-, I-, AcO-, and CN- anions are comparable to those obtained with conventional iodine-based monodentate XB receptors. Remarkably, the protonated azaphosphatrane counterparts display no affinity for anions under the same conditions. The strength of the XB interaction is, to some extent, related to the basicity of the corresponding Verkade superbase. The halogen bonding abilities of this new class of halogen donor motif were also revealed by the Δδ(31P) NMR shift observed in CD2Cl2 solution in the presence of triethylphosphine oxide (TEPO). Thus, chloroazaphosphatranes constitute a new class of halogen bond donors, expanding the repertory of XB motifs mainly based on CAr-I bonds.
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Affiliation(s)
- Chunyang Li
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
| | | | - Jian Yang
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
| | - David Givaudan
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
| | - Bohdan Biletskyi
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
| | | | - Jean-Pierre Dutasta
- Laboratoire de Chimie, École Normale Supérieure de Lyon, CNRS, 46 allée d'Italie, F-69364 Lyon, France
| | - Damien Hérault
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
| | - Xavier Bugaut
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
| | - Bastien Chatelet
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
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8
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Zhang X, Zhang Y, Liang C, Jiang J. Copper-catalyzed P-H insertion reactions of sulfoxonium ylides. Org Biomol Chem 2021; 19:5767-5771. [PMID: 34137421 DOI: 10.1039/d1ob00948f] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
A copper-catalyzed P-H insertion reaction between sulfoxonium ylides and H-phosphorus oxides has been demonstrated, furnishing α-phosphonyl carboxylate derivatives in 41-93% yields. This methodology utilizing bench-stable and thermodynamically stable sulfoxonium ylides as carbene precursors in the presence of the inexpensive and readily available copper catalyst shows advantages such as mild reaction conditions, good functional group compatibility, and easy scale-up, which make this protocol attractive for large-scale chemical processing and processing at the industrial scale.
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Affiliation(s)
- Xinzhi Zhang
- College of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, P. R. China.
| | - Yangyang Zhang
- College of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, P. R. China.
| | - Cuijian Liang
- College of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, P. R. China.
| | - Jun Jiang
- College of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, P. R. China. and Guangxi Key Laboratory of Electrochemical Energy Materials, Nanning, Guangxi 530004, P. R. China
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9
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Saito A, Adachi S, Kumagai N, Shibasaki M. Direct Catalytic Asymmetric Addition of Alkylnitriles to Aldehydes with Designed Nickel-Carbene Complexes. Angew Chem Int Ed Engl 2021; 60:8739-8743. [PMID: 33528875 DOI: 10.1002/anie.202016690] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 01/22/2021] [Indexed: 11/11/2022]
Abstract
A direct catalytic asymmetric addition of acetonitrile to aldehydes that realizes over 90 % ee is the ultimate challenge in alkylnitrile addition chemistry. Herein, we report achieving high enantioselectivity by the strategic use of a sterically demanding NiII pincer carbene complex, which afforded highly enantioenriched β-hydroxynitriles. This highly atom-economical process paves the way for exploiting inexpensive acetonitrile as a promising C2 building block in a practical synthetic toolbox for asymmetric catalysis.
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Affiliation(s)
- Akira Saito
- Institute of Microbial Chemistry, 3-14-23 Kamiosaki, Shinagawa-ku, Tokyo, 141-0021, Japan
| | - Shinya Adachi
- Institute of Microbial Chemistry, 3-14-23 Kamiosaki, Shinagawa-ku, Tokyo, 141-0021, Japan
| | - Naoya Kumagai
- Institute of Microbial Chemistry, 3-14-23 Kamiosaki, Shinagawa-ku, Tokyo, 141-0021, Japan
| | - Masakatsu Shibasaki
- Institute of Microbial Chemistry, 3-14-23 Kamiosaki, Shinagawa-ku, Tokyo, 141-0021, Japan
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10
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Saito A, Adachi S, Kumagai N, Shibasaki M. Direct Catalytic Asymmetric Addition of Alkylnitriles to Aldehydes with Designed Nickel–Carbene Complexes. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202016690] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Akira Saito
- Institute of Microbial Chemistry 3-14-23 Kamiosaki, Shinagawa-ku Tokyo 141-0021 Japan
| | - Shinya Adachi
- Institute of Microbial Chemistry 3-14-23 Kamiosaki, Shinagawa-ku Tokyo 141-0021 Japan
| | - Naoya Kumagai
- Institute of Microbial Chemistry 3-14-23 Kamiosaki, Shinagawa-ku Tokyo 141-0021 Japan
| | - Masakatsu Shibasaki
- Institute of Microbial Chemistry 3-14-23 Kamiosaki, Shinagawa-ku Tokyo 141-0021 Japan
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11
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Shet H, Parmar U, Bhilare S, Kapdi AR. A comprehensive review of caged phosphines: synthesis, catalytic applications, and future perspectives. Org Chem Front 2021. [DOI: 10.1039/d0qo01194k] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Caged phosphines are versatile ligands due to their rigid backbones, exhibiting a range of catalytic activities, as depicted through the given pictorial representation.
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Affiliation(s)
- Harshita Shet
- Department of Chemistry
- Institute of Chemical Technology
- Mumbai 400019
- India
- Institute of Chemical Technology-Indian Oil Odisha Campus
| | | | - Shatrughn Bhilare
- Department of Chemistry
- Institute of Chemical Technology
- Mumbai 400019
- India
| | - Anant R. Kapdi
- Department of Chemistry
- Institute of Chemical Technology
- Mumbai 400019
- India
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12
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Yang J, Manick A, Li C, Bugaut X, Chatelet B, Dufaud V, Hérault D, Martinez A. Azaphosphatranes Catalyzed Strecker Reaction in the Presence of Water. ChemistrySelect 2020. [DOI: 10.1002/slct.202003602] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Jian Yang
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2 Marseille France
| | | | - Chunyang Li
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2 Marseille France
| | - Xavier Bugaut
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2 Marseille France
| | - Bastien Chatelet
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2 Marseille France
| | - Véronique Dufaud
- Laboratoire de Chimie Catalyse Polymères Procédés (C2P2) CNRS Université Claude Bernard Lyon 1, CPE Lyon 43 bd du 11 Novembre 1918 F-69616 France
| | - Damien Hérault
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2 Marseille France
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13
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Umekubo N, Terunuma T, Kwon E, Hayashi Y. Evidence for an enolate mechanism in the asymmetric Michael reaction of α,β-unsaturated aldehydes and ketones via a hybrid system of two secondary amine catalysts. Chem Sci 2020; 11:11293-11297. [PMID: 34094371 PMCID: PMC8162273 DOI: 10.1039/d0sc03359f] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
The key nucleophile was found to be neither an enamine nor an enol, but an enolate in the direct Michael reaction of α,β-unsaturated aldehydes and non-activated ketones catalyzed by two amine catalysts namely diphenylprolinol silyl ether and pyrrolidine. This is a rare example of an enolate from a ketone serving as a key intermediate in the asymmetric organocatalytic reaction involving secondary amine catalysts because the ketone enolates are generally generated using a strong base, and the enamine is a common nucleophile in this type of reaction. The key nucleophile was found to be neither an enamine nor an enol, but an enolate in the direct Michael reaction of α,β-unsaturated aldehydes and non-activated ketones catalyzed by two amine catalysts namely diphenylprolinol silyl ether and pyrrolidine.![]()
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Affiliation(s)
- Nariyoshi Umekubo
- Department of Chemistry, Graduate School of Science, Tohoku University 6-3 Aramaki Aza Aoba, Aoba-ku Sendai 980-8578 Japan
| | - Takahiro Terunuma
- Department of Chemistry, Graduate School of Science, Tohoku University 6-3 Aramaki Aza Aoba, Aoba-ku Sendai 980-8578 Japan
| | - Eunsang Kwon
- Research and Analytical Center for Giant Molecules, Graduate School of Science, Tohoku University Sendai 980-8578 Japan
| | - Yujiro Hayashi
- Department of Chemistry, Graduate School of Science, Tohoku University 6-3 Aramaki Aza Aoba, Aoba-ku Sendai 980-8578 Japan
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14
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Dutasta JP, Martinez A. Encapsulation of Azaphosphatranes and Proazaphosphatranes in Confined Spaces. Chempluschem 2020; 85:977-984. [PMID: 32410370 DOI: 10.1002/cplu.202000204] [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: 03/16/2020] [Revised: 04/30/2020] [Indexed: 01/18/2023]
Abstract
Proazaphosphatranes (also named Verkade's superbases) and their azaphosphatrane conjugated acids have been recently been shown to be confined in either covalent or self-assembled molecular cages, or immobilized in nanopores of hybrid materials. The encapsulation of these phosphorus moieties turns out to strongly affect both their acid-base, catalytic, and recognition properties. The thermodynamics and kinetics of the proton transfer as well as the selectivity and catalytic activities of Verkade's superbases were strongly changed upon their confinement in a hemicryptophane cavity. Moreover, self-assembled cages, including azaphosphatrane moieties, were found to display remarkable anion recognition properties in water. In this Minireview, these new aspects of the chemistry of aza- and proaza-phosphatranes are presented, in order to highlight the great potential of such an approach.
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Affiliation(s)
- Jean-Pierre Dutasta
- Laboratoire de Chimie, École Normale Supérieure de Lyon CNRS, UCLB, 46 allée d'Italie, F-69364, Lyon, France
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15
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Yang J, Chatelet B, Hérault D, Dufaud V, Robert V, Grass S, Lacour J, Vanthuyne N, Jean M, Albalat M, Dutasta J, Martinez A. Enantiopure encaged Verkade's superbases: Synthesis, chiroptical properties, and use as chiral derivatizing agent. Chirality 2019; 32:139-146. [DOI: 10.1002/chir.23156] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Revised: 10/14/2019] [Accepted: 11/04/2019] [Indexed: 11/06/2022]
Affiliation(s)
- Jian Yang
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2 Marseille France
| | - Bastien Chatelet
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2 Marseille France
| | - Damien Hérault
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2 Marseille France
| | - Véronique Dufaud
- Laboratoire de Chimie, Catalyse, Polymères, Procédés CNRS, UMR 5265Université Claude Bernard Lyon1 Villeurbanne cedex France
| | - Vincent Robert
- Laboratoire de Chimie Quantique Institut de Chimie, UMR CNRS 7177Université de Strasbourg Strasbourg France
| | - Stéphane Grass
- Department of Organic Chemistry, Quai Ernest Ansermet 30University of Geneva Geneva Switzerland
| | - Jérôme Lacour
- Department of Organic Chemistry, Quai Ernest Ansermet 30University of Geneva Geneva Switzerland
| | | | - Marion Jean
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2 Marseille France
| | - Muriel Albalat
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2 Marseille France
| | - Jean‐Pierre Dutasta
- Laboratoire de Chimie École Normale Supérieure de Lyon CNRS, UCBL, 46 Allée d'Italie Lyon F‐69364 France
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16
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Matthews AD, Prasad S, Schley ND, Donald KJ, Johnson MW. On Transannulation in Azaphosphatranes: Synthesis and Theoretical Analysis. Inorg Chem 2019; 58:15983-15992. [PMID: 31713428 DOI: 10.1021/acs.inorgchem.9b02467] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
A combined synthetic-theoretical study has been undertaken to determine the factors that influence transannulation in azaphosphatranes. The commonly used proazaphosphatrane P(i-BuNCH2CH2)3N and several of its oxidized congeners are used as model systems. The haloazaphosphatranes of P(i-BuNCH2CH2)3N were synthesized, including a rare fluoroazaphopshatrane, and used as references for computational investigations. Comparisons of the experimental and theoretical observations highlight the flexibility observed in transannulated atranes and the potential for multiple local energetic minima depending on the identity of the equatorial substituents for a given azaphosphatrane. Theoretical calculations also identify the role of the ethylene linker in azaphosphatrane bonding, the influence of transannulation on P-electrophile interactions, and the contribution of electrostatic interactions to transannulation.
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Affiliation(s)
- Adrian D Matthews
- Department of Chemistry , University of Richmond , Richmond , Virginia 23173 , United States
| | - Supreeth Prasad
- Department of Chemistry , University of Richmond , Richmond , Virginia 23173 , United States
| | - Nathan D Schley
- Department of Chemistry , Vanderbilt University , Nashville , Tennessee 37235 , United States
| | - Kelling J Donald
- Department of Chemistry , University of Richmond , Richmond , Virginia 23173 , United States
| | - Miles W Johnson
- Department of Chemistry , University of Richmond , Richmond , Virginia 23173 , United States
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17
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Kumagai N, Shibasaki M. A Thirst for Enantioselectivity in Catalytic Addition of Alkylnitriles. CHEM LETT 2019. [DOI: 10.1246/cl.190609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Naoya Kumagai
- Institute of Microbial Chemistry, 3-14-23 Kamiosaki, Shinagawa-ku, Tokyo 141-0021, Japan
| | - Masakatsu Shibasaki
- Institute of Microbial Chemistry, 3-14-23 Kamiosaki, Shinagawa-ku, Tokyo 141-0021, Japan
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18
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Saito A, Kumagai N, Shibasaki M. Direct Catalytic Asymmetric Addition of Acetonitrile to Aldimines. Org Lett 2019; 21:8187-8190. [DOI: 10.1021/acs.orglett.9b02821] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Akira Saito
- Institute of Microbial Chemistry (BIKAKEN), 3-14-23 Kamiosaki, Shinagawa-ku, Tokyo 141-0021, Japan
| | - Naoya Kumagai
- Institute of Microbial Chemistry (BIKAKEN), 3-14-23 Kamiosaki, Shinagawa-ku, Tokyo 141-0021, Japan
| | - Masakatsu Shibasaki
- Institute of Microbial Chemistry (BIKAKEN), 3-14-23 Kamiosaki, Shinagawa-ku, Tokyo 141-0021, Japan
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19
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Yang J, Chatelet B, Ziarelli F, Dufaud V, Hérault D, Martinez A. Verkade's Superbase as an Organocatalyst for the Strecker Reaction. European J Org Chem 2018. [DOI: 10.1002/ejoc.201801170] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Jian Yang
- Aix Marseille Univ; CNRS, Centrale Marseille; iSm2; Marseille France
| | - Bastien Chatelet
- Aix Marseille Univ; CNRS, Centrale Marseille; iSm2; Marseille France
| | - Fabio Ziarelli
- Aix-Marseille Université; Centrale Marseille; CNRS; 13397 Marseille France
| | - Véronique Dufaud
- Laboratoire de Chimie, Catalyse, Polymères; Procédés CNRS, UMR 5265; Université Claude Bernard Lyon 1; 43 Bd du 11 novembre 1918 69616 Villeurbanne cedex France
| | - Damien Hérault
- Aix Marseille Univ; CNRS, Centrale Marseille; iSm2; Marseille France
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20
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Yang J, Chatelet B, Dufaud V, Hérault D, Michaud-Chevallier S, Robert V, Dutasta JP, Martinez A. Endohedral Functionalized Cage as a Tool to Create Frustrated Lewis Pairs. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201808291] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Jian Yang
- Aix Marseille Univ; CNRS; Centrale Marseille, iSm2; Marseille France
| | - Bastien Chatelet
- Aix Marseille Univ; CNRS; Centrale Marseille, iSm2; Marseille France
| | - Véronique Dufaud
- Laboratoire de Chimie, Catalyse, Polymères, Procédés CNRS, UMR 5265; Université Claude Bernard Lyon1; CPE Lyon; 43 Bd du 11 novembre 1918 69616 Villeurbanne cedex France
| | - Damien Hérault
- Aix Marseille Univ; CNRS; Centrale Marseille, iSm2; Marseille France
| | | | - Vincent Robert
- Laboratoire de Chimie Quantique Institut de Chimie, UMR CNRS 7177; Université de Strasbourg; 4, rue Blaise Pascal 67070 Strasbourg France
| | - Jean-Pierre Dutasta
- Laboratoire de Chimie; École Normale Supérieure de Lyon; CNRS, UCBL; 46 allée d'Italie 69364 Lyon France
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21
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Yang J, Chatelet B, Dufaud V, Hérault D, Michaud-Chevallier S, Robert V, Dutasta JP, Martinez A. Endohedral Functionalized Cage as a Tool to Create Frustrated Lewis Pairs. Angew Chem Int Ed Engl 2018; 57:14212-14215. [DOI: 10.1002/anie.201808291] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Indexed: 12/12/2022]
Affiliation(s)
- Jian Yang
- Aix Marseille Univ; CNRS; Centrale Marseille, iSm2; Marseille France
| | - Bastien Chatelet
- Aix Marseille Univ; CNRS; Centrale Marseille, iSm2; Marseille France
| | - Véronique Dufaud
- Laboratoire de Chimie, Catalyse, Polymères, Procédés CNRS, UMR 5265; Université Claude Bernard Lyon1; CPE Lyon; 43 Bd du 11 novembre 1918 69616 Villeurbanne cedex France
| | - Damien Hérault
- Aix Marseille Univ; CNRS; Centrale Marseille, iSm2; Marseille France
| | | | - Vincent Robert
- Laboratoire de Chimie Quantique Institut de Chimie, UMR CNRS 7177; Université de Strasbourg; 4, rue Blaise Pascal 67070 Strasbourg France
| | - Jean-Pierre Dutasta
- Laboratoire de Chimie; École Normale Supérieure de Lyon; CNRS, UCBL; 46 allée d'Italie 69364 Lyon France
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22
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Matthews AD, Gravalis GM, Schley ND, Johnson MW. Synthesis, Structure, and Reactivity of Palladium Proazaphosphatrane Complexes Invoked in C–N Cross-Coupling. Organometallics 2018. [DOI: 10.1021/acs.organomet.8b00453] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Adrian D. Matthews
- Department of Chemistry, University of Richmond, Richmond, Virginia 23173, United States
| | - Gregory M. Gravalis
- Department of Chemistry, University of Richmond, Richmond, Virginia 23173, United States
| | - Nathan D. Schley
- Department of Chemistry, Vanderbilt University, Nashville, Tennessee 37235, United States
| | - Miles W. Johnson
- Department of Chemistry, University of Richmond, Richmond, Virginia 23173, United States
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23
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Saadat K, Shiri A, Kovačević B. Substituted troponimines: when aromatization of the conjugate acid leads to very strong neutral organic superbases. NEW J CHEM 2018. [DOI: 10.1039/c8nj02349b] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Highly basic 3,6-disubstituted troponimino-scaffolds enable the introduction of new aromatic-stabilizing neutral organic superbase groups.
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Affiliation(s)
- Kayvan Saadat
- Department of Chemistry
- Faculty of Science
- Ferdowsi University of Mashhad
- Mashhad
- Iran
| | - Ali Shiri
- Department of Chemistry
- Faculty of Science
- Ferdowsi University of Mashhad
- Mashhad
- Iran
| | - Borislav Kovačević
- Group for Computational Life Sciences
- Division of Physical Chemistry
- Ruder Boskovic Institute
- 10000 Zagreb
- Croatia
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24
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Chatelet B, Nava P, Clavier H, Martinez A. Synthesis of Gold(I) Complexes Bearing Verkade's Superbases. Eur J Inorg Chem 2017. [DOI: 10.1002/ejic.201700897] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
| | - Paola Nava
- CNRS Centrale Marseille Aix Marseille Univ. Marseille France
| | - Herve Clavier
- CNRS Centrale Marseille Aix Marseille Univ. Marseille France
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25
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Zhang D, Martinez A, Dutasta JP. Emergence of Hemicryptophanes: From Synthesis to Applications for Recognition, Molecular Machines, and Supramolecular Catalysis. Chem Rev 2017; 117:4900-4942. [DOI: 10.1021/acs.chemrev.6b00847] [Citation(s) in RCA: 135] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Dawei Zhang
- Shanghai
Key Laboratory of Green Chemistry and Chemical Processes, School of
Chemistry and Molecular Engineering, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, People’s Republic of China
- Laboratoire
de Chimie, École Normale Supérieure de Lyon, CNRS, UCBL, 46, Allée d’Italie, F-69364 Lyon, France
| | - Alexandre Martinez
- Laboratoire
de Chimie, École Normale Supérieure de Lyon, CNRS, UCBL, 46, Allée d’Italie, F-69364 Lyon, France
- Aix-Marseille University, CNRS, Centrale Marseille, iSm2, Av. Escadrille Normandie-Niemen, F-13397 Marseille, France
| | - Jean-Pierre Dutasta
- Laboratoire
de Chimie, École Normale Supérieure de Lyon, CNRS, UCBL, 46, Allée d’Italie, F-69364 Lyon, France
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26
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Mehlmann P, Mück-Lichtenfeld C, Tan TTY, Dielmann F. Tris(imidazolin-2-ylidenamino)phosphine: A Crystalline Phosphorus(III) Superbase That Splits Carbon Dioxide. Chemistry 2016; 23:5929-5933. [DOI: 10.1002/chem.201604971] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Indexed: 11/10/2022]
Affiliation(s)
- Paul Mehlmann
- Institut für Anorganische und Analytische Chemie; Westfälische Wilhelms-Universität Münster; Corrensstrasse 30 48149 Münster Germany
| | - Christian Mück-Lichtenfeld
- Organisch-Chemisches Institut; Westfälische Wilhelms-Universität Münster; Corrensstrasse 40 48149 Münster Germany
| | - Tristan T. Y. Tan
- Institut für Anorganische und Analytische Chemie; Westfälische Wilhelms-Universität Münster; Corrensstrasse 30 48149 Münster Germany
| | - Fabian Dielmann
- Institut für Anorganische und Analytische Chemie; Westfälische Wilhelms-Universität Münster; Corrensstrasse 30 48149 Münster Germany
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27
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Britvin SN, Rumyantsev AM, Zobnina AE, Padkina MV. Between Adamantane and Atrane: Intrabridgehead Interactions in the Cage-Like Phosphane Related to a Novel Tris(homoadamantane) Ring System. Chemistry 2016; 22:14227-35. [PMID: 27531034 DOI: 10.1002/chem.201601637] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2016] [Indexed: 11/05/2022]
Affiliation(s)
- Sergey N. Britvin
- Department of Crystallography; Saint Petersburg State University; Universitetskaya Nab. 7/9 199034 St. Petersburg Russia
| | - Andrey M. Rumyantsev
- Department of Genetics and Biotechnology; Saint Petersburg State University; Universitetskaya Nab. 7/9 199034 St. Petersburg Russia
| | - Anastasia E. Zobnina
- Department of Genetics and Biotechnology; Saint Petersburg State University; Universitetskaya Nab. 7/9 199034 St. Petersburg Russia
| | - Marina V. Padkina
- Department of Genetics and Biotechnology; Saint Petersburg State University; Universitetskaya Nab. 7/9 199034 St. Petersburg Russia
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28
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Abstract
In contrast to the conventional group transfer polymerization (GTP) using a catalyst of either an anionic nucleophile or a transition-metal compound, the organocatalyzed GTP has to a great extent improved the living characteristics of the polymerization from the viewpoints of synthesizing structurally well-defined acrylic polymers and constructing defect-free polymer architectures. In this article, we describe the organocatalyzed GTP from a relatively personal perspective to provide our colleagues with a perspicuous and systematic overview on its recent progress as well as a reply to the curiosity of how excellently the organocatalysts have performed in this field. The stated perspectives of this review mainly cover five aspects, in terms of the assessment of the livingness of the polymerization, limit and scope of applicable monomers, mechanistic studies, control of the polymer structure, and a new GTP methodology involving the use of tris(pentafluorophenyl)borane and hydrosilane.
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Affiliation(s)
- Yougen Chen
- Institute for Advanced Study Shenzhen University, Nanshan District Shenzhen, Guangdong, 518060, P. R. China. .,Frontier Chemistry Center Faculty of Engineering Hokkaido University, N13 W8, Sapporo, 060-8628, Japan.
| | - Toyoji Kakuchi
- Frontier Chemistry Center Faculty of Engineering Hokkaido University, N13 W8, Sapporo, 060-8628, Japan.,Research Center for Polymer Materials School of Materials Science and Engineering Changchun University of Science and Technology, Weixing Road 7989, Changchun Jilin, 130022, P. R. China
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29
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Zhang D, Jardel D, Peruch F, Calin N, Dufaud V, Dutasta JP, Martinez A, Bibal B. Azaphosphatranes as Hydrogen-Bonding Organocatalysts for the Activation of Carbonyl Groups: Investigation of Lactide Ring-Opening Polymerization. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600080] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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30
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Dutartre M, Bayardon J, Jugé S. Applications and stereoselective syntheses of P-chirogenic phosphorus compounds. Chem Soc Rev 2016; 45:5771-5794. [DOI: 10.1039/c6cs00031b] [Citation(s) in RCA: 233] [Impact Index Per Article: 29.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
This review reports the best stereoselective or asymmetric syntheses, the most efficient P*-building blocks and functionalisation of P-chirogenic compounds, in the light of chiral phosphorus compound applications.
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Affiliation(s)
- Mathieu Dutartre
- Institut de Chimie Moléculaire de l'Université de Bourgogne (ICMUB-StéréochIM)
- UMR CNRS 6302
- 21078 Dijon Cedex
- France
| | - Jérôme Bayardon
- Institut de Chimie Moléculaire de l'Université de Bourgogne (ICMUB-StéréochIM)
- UMR CNRS 6302
- 21078 Dijon Cedex
- France
| | - Sylvain Jugé
- Institut de Chimie Moléculaire de l'Université de Bourgogne (ICMUB-StéréochIM)
- UMR CNRS 6302
- 21078 Dijon Cedex
- France
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31
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Owarzany R, Fijalkowski KJ, Jaroń T, Leszczyński PJ, Dobrzycki Ł, Cyrański MK, Grochala W. Complete Series of Alkali-Metal M(BH3NH2BH2NH2BH3) Hydrogen-Storage Salts Accessed via Metathesis in Organic Solvents. Inorg Chem 2015; 55:37-45. [DOI: 10.1021/acs.inorgchem.5b01688] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Rafał Owarzany
- Faculty of Chemistry, University of Warsaw, ul. Pasteura
1, 02-093 Warsaw, Poland
| | - Karol J. Fijalkowski
- Centre
of New Technologies, University of Warsaw, ul. Zwirki i Wigury 93, 02-089 Warsaw, Poland
| | - Tomasz Jaroń
- Centre
of New Technologies, University of Warsaw, ul. Zwirki i Wigury 93, 02-089 Warsaw, Poland
| | - Piotr J. Leszczyński
- Centre
of New Technologies, University of Warsaw, ul. Zwirki i Wigury 93, 02-089 Warsaw, Poland
| | - Łukasz Dobrzycki
- Faculty of Chemistry, University of Warsaw, ul. Pasteura
1, 02-093 Warsaw, Poland
| | - Michał K. Cyrański
- Faculty of Chemistry, University of Warsaw, ul. Pasteura
1, 02-093 Warsaw, Poland
| | - Wojciech Grochala
- Centre
of New Technologies, University of Warsaw, ul. Zwirki i Wigury 93, 02-089 Warsaw, Poland
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32
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Murray JI, Spivey AC. Aminesvs. N-Oxides as Organocatalysts for Acylation, Sulfonylation and Silylation of Alcohols: 1-MethylimidazoleN-Oxide as an Efficient Catalyst for Silylation of Tertiary Alcohols. Adv Synth Catal 2015. [DOI: 10.1002/adsc.201500773] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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33
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Thammavongsy Z, Khosrowabadi Kotyk JF, Tsay C, Yang JY. Flexibility is Key: Synthesis of a Tripyridylamine (TPA) Congener with a Phosphorus Apical Donor and Coordination to Cobalt(II). Inorg Chem 2015; 54:11505-10. [DOI: 10.1021/acs.inorgchem.5b02133] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Zachary Thammavongsy
- Department
of Chemistry, University of California, Irvine, California 92697, United States
| | | | - Charlene Tsay
- Department
of Chemistry, University of California, Irvine, California 92697, United States
| | - Jenny Y. Yang
- Department
of Chemistry, University of California, Irvine, California 92697, United States
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34
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Alvarado SR, Shortt IA, Fan HJ, Vela J. Assessing Phosphine–Chalcogen Bond Energetics from Calculations. Organometallics 2015. [DOI: 10.1021/acs.organomet.5b00428] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Samuel R. Alvarado
- Department
of Chemistry, Iowa State University, Ames, Iowa 50011, United States
- Ames Laboratory, Ames, Iowa 50011, United States
| | - Ian A. Shortt
- Department of Chemistry, Prairie View A&M University, Prairie View, Texas 77446, United States
| | - Hua-Jun Fan
- Department of Chemistry, Prairie View A&M University, Prairie View, Texas 77446, United States
| | - Javier Vela
- Department
of Chemistry, Iowa State University, Ames, Iowa 50011, United States
- Ames Laboratory, Ames, Iowa 50011, United States
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35
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Yamashita Y, Sato I, Suzuki H, Kobayashi S. Catalytic Asymmetric 1,4-Addition Reactions of Simple Alkylnitriles. Chem Asian J 2015; 10:2143-6. [DOI: 10.1002/asia.201500405] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2015] [Indexed: 11/06/2022]
Affiliation(s)
- Yasuhiro Yamashita
- Department of Chemistry, School of Science; The University of Tokyo; Hongo, Bunkyo-ku, Tokyo Japan
| | - Io Sato
- Department of Chemistry, School of Science; The University of Tokyo; Hongo, Bunkyo-ku, Tokyo Japan
| | - Hirotsugu Suzuki
- Department of Chemistry, School of Science; The University of Tokyo; Hongo, Bunkyo-ku, Tokyo Japan
| | - Shū Kobayashi
- Department of Chemistry, School of Science; The University of Tokyo; Hongo, Bunkyo-ku, Tokyo Japan
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36
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Christmann M, Hu J, Kitamura M, Stoltz B. Tetrahedron reports on organic chemistry. Tetrahedron 2015. [DOI: 10.1016/s0040-4020(15)00744-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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37
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Du GF, Wang Y, Gu CZ, Dai B, He L. Organocatalytic direct difluoromethylation of aldehydes and ketones with TMSCF2H. RSC Adv 2015. [DOI: 10.1039/c5ra04472c] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Organocatalytic direct difluoromethylation of aldehydes and ketones with TMSCF2H.
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Affiliation(s)
- Guang-Fen Du
- School of Chemical Engineering and Technology
- Tianjin University
- Tianjin 300072
- P. R. China
- School of Chemistry and Chemical Engineering
| | - Ying Wang
- School of Chemistry and Chemical Engineering
- Shihezi University
- Xinjiang Uygur Autonomous Region
- P. R. China
| | - Cheng-Zhi Gu
- School of Chemistry and Chemical Engineering
- Shihezi University
- Xinjiang Uygur Autonomous Region
- P. R. China
| | - Bin Dai
- School of Chemistry and Chemical Engineering
- Shihezi University
- Xinjiang Uygur Autonomous Region
- P. R. China
| | - Lin He
- School of Chemistry and Chemical Engineering
- Shihezi University
- Xinjiang Uygur Autonomous Region
- P. R. China
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38
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Blondiaux E, Pouessel J, Cantat T. Carbon Dioxide Reduction to Methylamines under Metal-Free Conditions. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201407357] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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39
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Blondiaux E, Pouessel J, Cantat T. Carbon dioxide reduction to methylamines under metal-free conditions. Angew Chem Int Ed Engl 2014; 53:12186-90. [PMID: 25243949 DOI: 10.1002/anie.201407357] [Citation(s) in RCA: 140] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2014] [Indexed: 11/07/2022]
Abstract
The first metal-free catalysts are reported for the methylation of amines with carbon dioxide. Proazaphosphatrane superbases prove to be highly active catalysts in the reductive functionalization of CO2, in the presence of hydroboranes. The new methodology enables the methylation of N-H bonds in a wide variety of amines, including secondary amines, with increased chemoselectivity.
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Affiliation(s)
- Enguerrand Blondiaux
- CEA, IRAMIS, NIMBE, CNRS UMR 3299, 91191 Gif-sur-Yvette (France) http://iramis.cea.fr/Pisp/thibault.cantat/index.htm
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40
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Chatelet B, Dufaud V, Dutasta JP, Martinez A. Catalytic Activity of an Encaged Verkade’s Superbase in a Base-Catalyzed Diels–Alder Reaction. J Org Chem 2014; 79:8684-8. [DOI: 10.1021/jo501457d] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Bastien Chatelet
- Laboratoire
de Chimie, École Normale Supérieure de Lyon, CNRS, UCBL, 46 allée d’Italie, F-69364 Lyon, France
| | - Véronique Dufaud
- Université de Lyon, Laboratoire de Chimie, Catalyse,
Polymère, Procédés (C2P2), CNRS, Université
Claude Bernard Lyon1, CPE Lyon, 43 Bd du 11 novembre 1918, F-69616 Villeurbanne cedex, France
| | - Jean-Pierre Dutasta
- Laboratoire
de Chimie, École Normale Supérieure de Lyon, CNRS, UCBL, 46 allée d’Italie, F-69364 Lyon, France
| | - Alexandre Martinez
- Laboratoire
de Chimie, École Normale Supérieure de Lyon, CNRS, UCBL, 46 allée d’Italie, F-69364 Lyon, France
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Han Kim S, Jang W, Kim M, Verkade JG, Kim Y. Synergistic Effect of a Bis(proazaphosphatrane) in Mild Palladium-Catalyzed Direct α-Arylations of Nitriles with Aryl Chlorides. European J Org Chem 2014. [DOI: 10.1002/ejoc.201402466] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Chatelet B, Jeanneau E, Dutasta JP, Robert V, Martinez A, Dufaud V. Role of pre-organization around the azaphosphatrane catalyst's active site in the conversion of CO2 to cyclic carbonates. CATAL COMMUN 2014. [DOI: 10.1016/j.catcom.2014.04.004] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Chatelet B, Joucla L, Dutasta JP, Martinez A, Dufaud V. Azaphosphatrane Organocatalysts in Confined Space: Cage Effect in CO2Conversion. Chemistry 2014; 20:8571-4. [DOI: 10.1002/chem.201402058] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2014] [Indexed: 11/05/2022]
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Honey MA, Yamashita Y, Kobayashi S. A cooperative water effect in proazaphosphatrane-catalysed heterocycle synthesis. Chem Commun (Camb) 2014; 50:3288-91. [DOI: 10.1039/c3cc49808e] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Water activated isocyanide is deprotonated by the organosuperbase proazaphosphatrane; no deprotonation of water could be observed.
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Affiliation(s)
- Mark A. Honey
- Department of Chemistry
- School of Science
- The University of Tokyo
- Bunkyo-ku, Japan
| | - Yasuhiro Yamashita
- Department of Chemistry
- School of Science
- The University of Tokyo
- Bunkyo-ku, Japan
| | - Shū Kobayashi
- Department of Chemistry
- School of Science
- The University of Tokyo
- Bunkyo-ku, Japan
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Chatelet B, Gornitzka H, Dufaud V, Jeanneau E, Dutasta JP, Martinez A. Superbases in Confined Space: Control of the Basicity and Reactivity of the Proton Transfer. J Am Chem Soc 2013; 135:18659-64. [DOI: 10.1021/ja409444s] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Bastien Chatelet
- Laboratoire
de Chimie, École Normale Supérieure de
Lyon, CNRS, UCBL, 46 Allée d’Italie, F-69364 Lyon, France
| | - Heinz Gornitzka
- Laboratoire de
Chimie de Coordination du CNRS, 205
Route de Narbonne, BP 44099, F-31077 Toulouse Cedex 4, France
- Université
de Toulouse, UPS, INPT, F-31077 Toulouse Cedex 4, France
| | - Véronique Dufaud
- Laboratoire de
Chimie, Catalyse, Polymère, Procédés (C2P2),
Université de Lyon, CNRS, Université Claude Bernard
Lyon1, CPE Lyon, 43 Boulevard du 11
Novembre 1918, F-69616 Villeurbanne Cedex, France
| | - Erwann Jeanneau
- Centre de Diffractométrie
Henri Longchambon, Universite Claude Bernard Lyon 1, Site CLEA—Bâtiment ISA, 5 Rue de
La Doua, F-69100 Villeurbanne, France
| | - Jean-Pierre Dutasta
- Laboratoire
de Chimie, École Normale Supérieure de
Lyon, CNRS, UCBL, 46 Allée d’Italie, F-69364 Lyon, France
| | - Alexandre Martinez
- Laboratoire
de Chimie, École Normale Supérieure de
Lyon, CNRS, UCBL, 46 Allée d’Italie, F-69364 Lyon, France
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46
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Stoltz B, Motherwell W. Tetrahedron reports on organic chemistry. Tetrahedron 2013. [DOI: 10.1016/s0040-4020(13)01252-0] [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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Gibb JN, Goodman JM. The formation of high-purity isocyanurate through proazaphosphatrane-catalysed isocyanate cyclo-trimerisation: computational insights. Org Biomol Chem 2013; 11:90-7. [PMID: 23172305 DOI: 10.1039/c2ob26547h] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Polyurethane foams are widely used materials and control of their physical properties is a significant challenge. Management of cyclo-trimerisation during the polymerisation process is vital when tailoring the mechanical properties of the foam. Proazaphosphatranes are known to efficiently catalyse the cyclo-trimerisation of organic isocyanates, giving high purity isocyanurate with little uretdione by-product. The mechanism of this catalysis was previously unknown, although some zwitterionic intermediates have been identified spectroscopically. We have investigated a nucleophilic-catalysis reaction pathway involving sequential addition of methyl isocyanate to activated zwitterionic intermediates using density functional theory calculations. Evidence for significant transannulation by the proazaphosphatrane nitrogen was found for all intermediates, offering stabilisation of the phosphonium cation. Steric crowding at the proazaphosphatrane nucleophilic phosphorus gives rise to a preference for direct isocyanurate formation rather than via the uretdione, in sharp contrast to the uncatalysed system which has been found to preferentially proceed via the kinetic uretdione product. The investigations suggest the mechanism of proazaphosphatrane catalysed cyclo-oligomerisation does not proceed via the uretdione product, and hence why little of this impurity is observed experimentally.
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Affiliation(s)
- Jack N Gibb
- Unilever Centre For Molecular Science Informatics, Department of Chemistry, Lensfield Road, Cambridge CB2 1EW, UK
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Masuda K, Nakano J, Yamashita Y, Kobayashi S. Organosuperbase-catalyzed Direct-type Michael Addition Reactions of Sulfonylimidates as Ester Surrogates. ASIAN J ORG CHEM 2013. [DOI: 10.1002/ajoc.201300014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Chatelet B, Joucla L, Dutasta JP, Martinez A, Szeto KC, Dufaud V. Azaphosphatranes as Structurally Tunable Organocatalysts for Carbonate Synthesis from CO2 and Epoxides. J Am Chem Soc 2013; 135:5348-51. [DOI: 10.1021/ja402053d] [Citation(s) in RCA: 155] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Bastien Chatelet
- École Normale Supérieure
de Lyon, CNRS, Université de Lyon, Laboratoire de Chimie, 46 allée d’Italie, 69364 Lyon,
France
| | - Lionel Joucla
- École Normale Supérieure
de Lyon, CNRS, Université de Lyon, Laboratoire de Chimie, 46 allée d’Italie, 69364 Lyon,
France
| | - Jean-Pierre Dutasta
- École Normale Supérieure
de Lyon, CNRS, Université de Lyon, Laboratoire de Chimie, 46 allée d’Italie, 69364 Lyon,
France
| | - Alexandre Martinez
- École Normale Supérieure
de Lyon, CNRS, Université de Lyon, Laboratoire de Chimie, 46 allée d’Italie, 69364 Lyon,
France
| | - Kai C. Szeto
- Université
de Lyon, Laboratoire
de Chimie, Catalyse, Polymère, Procédés (C2P2),
CNRS, Université Claude Bernard Lyon1, CPE Lyon, 43 Bd du 11 Novembre 1918, 69616 Villeurbanne Cedex,
France
| | - Véronique Dufaud
- Université
de Lyon, Laboratoire
de Chimie, Catalyse, Polymère, Procédés (C2P2),
CNRS, Université Claude Bernard Lyon1, CPE Lyon, 43 Bd du 11 Novembre 1918, 69616 Villeurbanne Cedex,
France
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