51
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Shirakawa S, Koga K, Tokuda T, Yamamoto K, Maruoka K. Catalytic Asymmetric Synthesis of 3,3′-Diaryloxindoles as Triarylmethanes with a Chiral All-Carbon Quaternary Center: Phase-Transfer-Catalyzed SNAr Reaction. Angew Chem Int Ed Engl 2014; 53:6220-3. [DOI: 10.1002/anie.201403046] [Citation(s) in RCA: 84] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2014] [Revised: 03/28/2014] [Indexed: 12/30/2022]
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52
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Chiral cobalt(II)-salen-catalyzed Michael addition of amines to β-substituted nitroalkenes. Tetrahedron Lett 2014. [DOI: 10.1016/j.tetlet.2014.03.062] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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53
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Cheng DJ, Yan L, Tian SK, Wu MY, Wang LX, Fan ZL, Zheng SC, Liu XY, Tan B. Highly Enantioselective Kinetic Resolution of Axially Chiral BINAM Derivatives Catalyzed by a Brønsted Acid. Angew Chem Int Ed Engl 2014; 53:3684-7. [DOI: 10.1002/anie.201310562] [Citation(s) in RCA: 108] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2013] [Revised: 01/18/2014] [Indexed: 11/11/2022]
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54
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Cheng DJ, Yan L, Tian SK, Wu MY, Wang LX, Fan ZL, Zheng SC, Liu XY, Tan B. Highly Enantioselective Kinetic Resolution of Axially Chiral BINAM Derivatives Catalyzed by a Brønsted Acid. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201310562] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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55
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Affiliation(s)
- Seiji Shirakawa
- Graduate School of Fisheries Science and Environmental Studies, Nagasaki University
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56
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Yan Q, Liu M, Kong D, Zi G, Hou G. Highly efficient iridium-catalyzed asymmetric hydrogenation of β-acylamino nitroolefins. Chem Commun (Camb) 2014; 50:12870-2. [DOI: 10.1039/c4cc05815a] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A highly Ir-catalyzed enantioselective hydrogenation of β-acylamino nitroolefins is first reported, which provides straightforward access to chiral β-amino nitroalkanes in excellent enantioselectivities (up to >99.9% ee).
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Affiliation(s)
- Qiaozhi Yan
- College of Chemistry
- Beijing Normal University
- Beijing 100875, China
| | - Man Liu
- College of Chemistry
- Beijing Normal University
- Beijing 100875, China
| | - Duanyang Kong
- College of Chemistry
- Beijing Normal University
- Beijing 100875, China
| | - Guofu Zi
- College of Chemistry
- Beijing Normal University
- Beijing 100875, China
| | - Guohua Hou
- College of Chemistry
- Beijing Normal University
- Beijing 100875, China
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57
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Alcaine A, Marqués-López E, Herrera RP. Synthesis of interesting β-nitrohydrazides through a thiourea organocatalysed aza-Michael addition. RSC Adv 2014. [DOI: 10.1039/c3ra47925k] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The synthesis of interesting β-nitrohydrazides, as the target product of our reaction, is reached for the first time under organocatalytic enantioselective conditions.
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Affiliation(s)
- Ana Alcaine
- Laboratorio de Síntesis Asimétrica
- Departamento de Química Orgánica
- Instituto de Síntesis Química y Catálisis Homogénea (ISQCH)
- CSIC-Universidad de Zaragoza
- E-50009 Zaragoza, Spain
| | - Eugenia Marqués-López
- Laboratorio de Síntesis Asimétrica
- Departamento de Química Orgánica
- Instituto de Síntesis Química y Catálisis Homogénea (ISQCH)
- CSIC-Universidad de Zaragoza
- E-50009 Zaragoza, Spain
| | - Raquel P. Herrera
- Laboratorio de Síntesis Asimétrica
- Departamento de Química Orgánica
- Instituto de Síntesis Química y Catálisis Homogénea (ISQCH)
- CSIC-Universidad de Zaragoza
- E-50009 Zaragoza, Spain
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58
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Affiliation(s)
- Chandra Kanta De
- Max‐Planck‐Institut für Kohlenforschung, Kaiser‐Wilhelm‐Platz 1, 45470 Mülheim an der Ruhr (Germany)
| | - Fabio Pesciaioli
- Max‐Planck‐Institut für Kohlenforschung, Kaiser‐Wilhelm‐Platz 1, 45470 Mülheim an der Ruhr (Germany)
| | - Benjamin List
- Max‐Planck‐Institut für Kohlenforschung, Kaiser‐Wilhelm‐Platz 1, 45470 Mülheim an der Ruhr (Germany)
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59
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De CK, Pesciaioli F, List B. Catalytic Asymmetric Benzidine Rearrangement. Angew Chem Int Ed Engl 2013; 52:9293-5. [DOI: 10.1002/anie.201304039] [Citation(s) in RCA: 159] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2013] [Indexed: 01/24/2023]
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60
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Shirakawa S, Tokuda T, Kasai A, Maruoka K. Design of Chiral Bifunctional Quaternary Phosphonium Bromide Catalysts Possessing an Amide Moiety. Org Lett 2013; 15:3350-3. [DOI: 10.1021/ol4013926] [Citation(s) in RCA: 88] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Seiji Shirakawa
- Laboratory of Synthetic Organic Chemistry and Special Laboratory of Organocatalytic Chemistry, Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
| | - Takashi Tokuda
- Laboratory of Synthetic Organic Chemistry and Special Laboratory of Organocatalytic Chemistry, Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
| | - Atsuyuki Kasai
- Laboratory of Synthetic Organic Chemistry and Special Laboratory of Organocatalytic Chemistry, Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
| | - Keiji Maruoka
- Laboratory of Synthetic Organic Chemistry and Special Laboratory of Organocatalytic Chemistry, Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
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61
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Shirakawa S, Kasai A, Tokuda T, Maruoka K. Efficient approach for the design of effective chiral quaternary phosphonium salts in asymmetric conjugate additions. Chem Sci 2013. [DOI: 10.1039/c3sc22130j] [Citation(s) in RCA: 76] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
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62
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Ma S, Wu L, Liu M, Xu X, Huang Y, Wang Y. Highly enantioselective aza-Michael addition reactions of 4-nitrophthalimide with α,β-unsaturated ketones. RSC Adv 2013. [DOI: 10.1039/c3ra41179f] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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63
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Cao D, Chai Z, Zhang J, Ye Z, Xiao H, Wang H, Chen J, Wu X, Zhao G. Thiourea-phosphonium salts from amino acids: cooperative phase-transfer catalysts in the enantioselective aza-Henry reaction. Chem Commun (Camb) 2013; 49:5972-4. [DOI: 10.1039/c3cc42864h] [Citation(s) in RCA: 103] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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64
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Liu XW, Yan Y, Wang YQ, Wang C, Sun J. Highly Enantioselective Reduction of β-Amino Nitroolefins with a Simple N-Sulfinyl Urea as Bifunctional Catalyst. Chemistry 2012; 18:9204-7. [DOI: 10.1002/chem.201201192] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2012] [Indexed: 11/12/2022]
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65
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Wang J, Li P, Choy PY, Chan ASC, Kwong FY. Advances and Applications in Organocatalytic Asymmetric aza-Michael Addition. ChemCatChem 2012. [DOI: 10.1002/cctc.201200135] [Citation(s) in RCA: 138] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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66
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Uraguchi D, Kinoshita N, Nakashima D, Ooi T. Chiral ionic Brønsted acid–achiral Brønsted base synergistic catalysis for asymmetric sulfa-Michael addition to nitroolefins. Chem Sci 2012. [DOI: 10.1039/c2sc20698f] [Citation(s) in RCA: 55] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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67
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Enders D, Nguyen TV. Chiral quaternary phosphonium salts: a new class of organocatalysts. Org Biomol Chem 2012; 10:5327-31. [DOI: 10.1039/c2ob25823d] [Citation(s) in RCA: 107] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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68
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Giacalone F, Gruttadauria M, Agrigento P, Noto R. Low-loading asymmetric organocatalysis. Chem Soc Rev 2011; 41:2406-47. [PMID: 22167174 DOI: 10.1039/c1cs15206h] [Citation(s) in RCA: 287] [Impact Index Per Article: 22.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Asymmetric organocatalysis is now recognized as the third pillar of asymmetric synthesis. Recent years have witnessed increasing interest towards the use of highly active and stereoselective organocatalysts. This critical review documents the advances in the development of chiral organocatalysts which are systematically used in ≤3 mol% loading in all the sub-areas of the field, namely aminocatalysis, Brønsted acids and bases, Lewis acids and bases, hydrogen bond-mediated catalysis, phase transfer and N-heterocyclic carbene catalyses (194 references).
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Affiliation(s)
- Francesco Giacalone
- Dipartimento di Scienze e Tecnologie Molecolari e Biomolecolari (STEMBIO) Sez. Chimica Organica E. Paternò, Università di Palermo, Viale delle Scienze, Ed. 17, 90128, Palermo, Italy
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69
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Chiral Phosphoric Acid Catalyzed Enantioselective Aza-Michael Addition of Aromatic Amines to Nitroolefins. CHINESE JOURNAL OF CATALYSIS 2011. [DOI: 10.1016/s1872-2067(10)60261-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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70
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Beck EM, Hyde AM, Jacobsen EN. Chiral sulfinamide/achiral sulfonic acid cocatalyzed enantioselective protonation of enol silanes. Org Lett 2011; 13:4260-3. [PMID: 21786775 DOI: 10.1021/ol201608a] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The application of chiral sulfinamides and achiral sulfonic acids as a cocatalyst system for enantioselective protonation reactions is described. Structurally simple, easily accessible sulfinamides were found to induce moderate-to-high ee's in the formation of 2-aryl-substituted cycloalkanones from the corresponding trimethylsilyl enol ethers.
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Affiliation(s)
- Elizabeth M Beck
- Department of Chemistry and Chemical Biology, Harvard University, 12 Oxford Street, Cambridge, Massachusetts 02138, USA
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71
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Zhu CL, Zhang FG, Meng W, Nie J, Cahard D, Ma JA. Enantioselective Base-Free Electrophilic Amination of Benzofuran-2(3H)-ones: Catalysis by Binol-Derived P-Spiro Quaternary Phosphonium Salts. Angew Chem Int Ed Engl 2011. [DOI: 10.1002/ange.201100283] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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72
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Zhu CL, Zhang FG, Meng W, Nie J, Cahard D, Ma JA. Enantioselective Base-Free Electrophilic Amination of Benzofuran-2(3H)-ones: Catalysis by Binol-Derived P-Spiro Quaternary Phosphonium Salts. Angew Chem Int Ed Engl 2011; 50:5869-72. [DOI: 10.1002/anie.201100283] [Citation(s) in RCA: 106] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2011] [Revised: 04/06/2011] [Indexed: 11/06/2022]
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73
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Wang L, Shirakawa S, Maruoka K. Asymmetric Neutral Amination of Nitroolefins Catalyzed by Chiral Bifunctional Ammonium Salts in Water-Rich Biphasic Solvent. Angew Chem Int Ed Engl 2011; 50:5327-30. [DOI: 10.1002/anie.201101307] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2011] [Indexed: 11/08/2022]
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74
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Wang L, Shirakawa S, Maruoka K. Asymmetric Neutral Amination of Nitroolefins Catalyzed by Chiral Bifunctional Ammonium Salts in Water-Rich Biphasic Solvent. Angew Chem Int Ed Engl 2011. [DOI: 10.1002/ange.201101307] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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75
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Cai YF, Li L, Luo MX, Yang KF, Lai GQ, Jiang JX, Xu LW. Organocatalytic aza-Michael/retro-aza-Michael reaction: Pronounced chirality amplification in aza-Michael reaction and racemization via retro-aza-Michael reaction. Chirality 2011; 23:397-403. [DOI: 10.1002/chir.20940] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2010] [Accepted: 12/09/2010] [Indexed: 11/09/2022]
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76
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Chen Y, Ying W, Harmata M. Oxidation of 4-methoxyanilines to 1,4-benzoquinones using ceric ammonium nitrate (CAN). Tetrahedron Lett 2011; 52:480-482. [PMID: 21516224 PMCID: PMC3079215 DOI: 10.1016/j.tetlet.2010.11.070] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Treatment of substituted 4-methoxyanilines with ceric ammonium nitrate in a 1:1 mixture of water and acetonitrile resulted in formation of 1,4-benzoquinones in acceptable yields.
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Affiliation(s)
- Yugang Chen
- Department of Chemistry, University of Missouri-Columbia, Columbia, Missouri 65211, USA
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77
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Smith JA, Molesworth PP, Hyland CJ, Ryan JH. Seven-Membered Rings. PROGRESS IN HETEROCYCLIC CHEMISTRY 2011. [DOI: 10.1016/s0959-6380(11)22016-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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78
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Catalytic asymmetric protonation of alpha-amino acid-derived ketene disilyl acetals using P-spiro diaminodioxaphosphonium barfates as chiral proton. J Am Chem Soc 2010; 132:12240-2. [PMID: 20715780 DOI: 10.1021/ja105945z] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Chiral diaminodioxaphosphonium salts have been developed and their unique abilities as a chiral proton have been revealed through the establishment of a highly enantioselective protonation of alpha-amino acid-derived ketene disilyl acetals.
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79
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Hamashima Y, Suzuki S, Tamura T, Somei H, Sodeoka M. Scope and Mechanism of Tandem Aza-Michael Reaction/Enantioselective Protonation Using a Pd-μ-Hydroxo Complex under Mild Conditions Buffered with Amine Salts. Chem Asian J 2010; 6:658-68. [DOI: 10.1002/asia.201000740] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2010] [Indexed: 11/07/2022]
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80
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Lykke L, Monge D, Nielsen M, Jørgensen KA. Asymmetric Organocatalytic Formal Aza-Michael Addition of Ammonia to Nitroalkenes. Chemistry 2010; 16:13330-4. [DOI: 10.1002/chem.201002415] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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81
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He Z, Zhou Q, Wu L, Chen Y. Asymmetric Organocatalytic Tandem Reaction to Chiral Pyrimidinone Derivatives using Urea as Dinitrogen Source. Adv Synth Catal 2010. [DOI: 10.1002/adsc.201000291] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Zhao‐Quan He
- Key Laboratory of Drug‐Targeting and Drug Delivery System of Education Ministry, Department of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, Chengdu 610041, People's Republic of China, Fax: (+86)‐28‐8550‐2609; phone: (+86)‐28‐8550‐2609
| | - Quan Zhou
- Key Laboratory of Drug‐Targeting and Drug Delivery System of Education Ministry, Department of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, Chengdu 610041, People's Republic of China, Fax: (+86)‐28‐8550‐2609; phone: (+86)‐28‐8550‐2609
| | - Li Wu
- Key Laboratory of Drug‐Targeting and Drug Delivery System of Education Ministry, Department of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, Chengdu 610041, People's Republic of China, Fax: (+86)‐28‐8550‐2609; phone: (+86)‐28‐8550‐2609
| | - Ying‐Chun Chen
- Key Laboratory of Drug‐Targeting and Drug Delivery System of Education Ministry, Department of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, Chengdu 610041, People's Republic of China, Fax: (+86)‐28‐8550‐2609; phone: (+86)‐28‐8550‐2609
- State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, People's Republic of China
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82
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Rémond E, Tessier A, Leroux FR, Bayardon J, Jugé S. Efficient synthesis of quaternary and P-stereogenic phosphonium triflates. Org Lett 2010; 12:1568-71. [PMID: 20222685 DOI: 10.1021/ol100304c] [Citation(s) in RCA: 72] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
An efficient and general method for the preparation of achiral and chiral phosphonium salts is reported. This synthesis is based on the quaternization of phosphines and their derivatives with arynes generated in situ from 2-(trimethylsilyl)aryl triflates. This methodology is successfully applied to the synthesis of new valuable P-stereogenic phosphonium triflates.
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Affiliation(s)
- Emmanuelle Rémond
- Institut de Chimie Moléculaire de l'Université de Bourgogne (ICMUB), UMR CNRS 5260, 9 Avenue Alain Savary, BP 47870, 21078 Dijon cedex, France
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83
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Takenaka N, Chen J, Captain B, Sarangthem RS, Chandrakumar A. Helical Chiral 2-Aminopyridinium Ions: A New Class of Hydrogen Bond Donor Catalysts. J Am Chem Soc 2010; 132:4536-7. [DOI: 10.1021/ja100539c] [Citation(s) in RCA: 161] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Norito Takenaka
- Department of Chemistry, University of Miami, 1301 Memorial Drive, Coral Gables, Florida 33146-0431
| | - Jinshui Chen
- Department of Chemistry, University of Miami, 1301 Memorial Drive, Coral Gables, Florida 33146-0431
| | - Burjor Captain
- Department of Chemistry, University of Miami, 1301 Memorial Drive, Coral Gables, Florida 33146-0431
| | | | - Appayee Chandrakumar
- Department of Chemistry, University of Miami, 1301 Memorial Drive, Coral Gables, Florida 33146-0431
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84
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Xu Z, Buechler T, Wheeler K, Wang H. A Three-Component Reaction Based on a Remote-Group-Directed Dynamic Kinetic Aza-Michael Addition: Stereoselective Synthesis of Imidazolidin-4-ones. Chemistry 2010; 16:2972-6. [DOI: 10.1002/chem.200903508] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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85
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Terada M. Chiral Phosphoric Acids as Versatile Catalysts for Enantioselective Carbon–Carbon Bond Forming Reactions. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2010. [DOI: 10.1246/bcsj.20090268] [Citation(s) in RCA: 194] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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86
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Uraguchi D, Ooi T. Development of P-Spiro Chiral Aminophosphonium Salts as a New Class of Versatile Organic Molecular Catalyst. J SYN ORG CHEM JPN 2010. [DOI: 10.5059/yukigoseikyokaishi.68.1185] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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87
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