1
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García‐Urricelqui A, Cózar A, Campano TE, Mielgo A, Palomo C. syn
‐Selective Michael Reaction of α‐Branched Aryl Acetaldehydes with Nitroolefins Promoted by Squaric Amino Acid Derived Bifunctional Brønsted Bases. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100355] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Ane García‐Urricelqui
- Departamento de Química Orgánica I Universidad del País Vasco UPV/EHU Manuel Lardizábal 3 20018 San Sebastián Spain
| | - Abel Cózar
- Departamento de Química Orgánica I Universidad del País Vasco UPV/EHU Manuel Lardizábal 3 20018 San Sebastián Spain
- IKERBASQUE Basque Foundation for Science 48009 Blbao Spain
| | - Teresa E. Campano
- Departamento de Química Orgánica I Universidad del País Vasco UPV/EHU Manuel Lardizábal 3 20018 San Sebastián Spain
| | - Antonia Mielgo
- Departamento de Química Orgánica I Universidad del País Vasco UPV/EHU Manuel Lardizábal 3 20018 San Sebastián Spain
| | - Claudio Palomo
- Departamento de Química Orgánica I Universidad del País Vasco UPV/EHU Manuel Lardizábal 3 20018 San Sebastián Spain
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2
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López R, Palomo C. N,N-Diacylaminals as Emerging Tools in Synthesis: From Peptidomimetics to Asymmetric Catalysis. Chemistry 2021; 27:20-29. [PMID: 32667706 DOI: 10.1002/chem.202002637] [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: 05/31/2020] [Revised: 07/12/2020] [Indexed: 12/26/2022]
Abstract
N,N-Diacylaminals are flexible molecular scaffolds that have commonly been utilized as amide surrogates in peptidomimetics. The singularities of this motif as an N-acyl imine equivalent and as hydrogen-bond donor have recently opened new synthetic opportunities, especially in the field of asymmetric catalysis. This concept article highlights this diverse synthetic potential and provides the elements necessary for further developments.
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Affiliation(s)
- Rosa López
- Departamento de Química Orgánica I, Facultad de Química, Universidad del País Vasco (UPV/EHU), Manuel de Lardizabal 3, 20018, San Sebastián, Spain
| | - Claudio Palomo
- Departamento de Química Orgánica I, Facultad de Química, Universidad del País Vasco (UPV/EHU), Manuel de Lardizabal 3, 20018, San Sebastián, Spain
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3
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Balaji PV, Li Z, Saito A, Kumagai N, Shibasaki M. Direct Catalytic Asymmetric Addition of α‐Fluoronitriles to Aldehydes. Chemistry 2020; 26:15524-15527. [DOI: 10.1002/chem.202004743] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Indexed: 01/24/2023]
Affiliation(s)
| | - Zhao Li
- Institute of Microbial Chemistry 3-14-23 Kamiosaki, Shinagawa-ku Tokyo 141-0021 Japan
| | - Akira Saito
- 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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4
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Balaji PV, Brewitz L, Kumagai N, Shibasaki M. Achiral Trisubstituted Thioureas as Secondary Ligands to Cu
I
Catalysts: Direct Catalytic Asymmetric Addition of α‐Fluoronitriles to Imines. Angew Chem Int Ed Engl 2019; 58:2644-2648. [DOI: 10.1002/anie.201812673] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Indexed: 12/27/2022]
Affiliation(s)
| | - Lennart Brewitz
- 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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5
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Pluta R, Kumagai N, Shibasaki M. Direct Catalytic Asymmetric Aldol Reaction of α‐Alkoxyamides to α‐Fluorinated Ketones. Angew Chem Int Ed Engl 2019; 58:2459-2463. [PMID: 30652398 DOI: 10.1002/anie.201814607] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2018] [Indexed: 11/11/2022]
Affiliation(s)
- Roman Pluta
- 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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6
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Pluta R, Kumagai N, Shibasaki M. Direct Catalytic Asymmetric Aldol Reaction of α‐Alkoxyamides to α‐Fluorinated Ketones. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201814607] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Roman Pluta
- 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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7
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Balaji PV, Brewitz L, Kumagai N, Shibasaki M. Achiral Trisubstituted Thioureas as Secondary Ligands to Cu
I
Catalysts: Direct Catalytic Asymmetric Addition of α‐Fluoronitriles to Imines. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201812673] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
| | - Lennart Brewitz
- 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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8
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Fu Z, Deng N, Su S, Li H, Li R, Zhang X, Liu J, Niu D. Diastereo‐ and Enantioselective Propargylation of 5
H
‐Thiazol‐4‐ones and 5
H
‐Oxazol‐4‐ones as Enabled by Cu/Zn and Cu/Ti Catalysis. Angew Chem Int Ed Engl 2018; 57:15217-15221. [DOI: 10.1002/anie.201809391] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Indexed: 12/30/2022]
Affiliation(s)
- Zhengyan Fu
- Department of EmergencyState Key Laboratory of Biotherapy and Cancer CenterWest China HospitalSchool of Chemical EngineeringSichuan University No. 17 Renmin Nan Road Chengdu 610041 China
| | - Ning Deng
- Department of EmergencyState Key Laboratory of Biotherapy and Cancer CenterWest China HospitalSchool of Chemical EngineeringSichuan University No. 17 Renmin Nan Road Chengdu 610041 China
| | - Sheng‐Nan Su
- Department of EmergencyState Key Laboratory of Biotherapy and Cancer CenterWest China HospitalSchool of Chemical EngineeringSichuan University No. 17 Renmin Nan Road Chengdu 610041 China
| | - Hongyang Li
- School of ScienceXihua University Chengdu 610039 China
| | - Ren‐Zhe Li
- Department of EmergencyState Key Laboratory of Biotherapy and Cancer CenterWest China HospitalSchool of Chemical EngineeringSichuan University No. 17 Renmin Nan Road Chengdu 610041 China
| | - Xia Zhang
- Department of EmergencyState Key Laboratory of Biotherapy and Cancer CenterWest China HospitalSchool of Chemical EngineeringSichuan University No. 17 Renmin Nan Road Chengdu 610041 China
| | - Jie Liu
- Department of EmergencyState Key Laboratory of Biotherapy and Cancer CenterWest China HospitalSchool of Chemical EngineeringSichuan University No. 17 Renmin Nan Road Chengdu 610041 China
| | - Dawen Niu
- Department of EmergencyState Key Laboratory of Biotherapy and Cancer CenterWest China HospitalSchool of Chemical EngineeringSichuan University No. 17 Renmin Nan Road Chengdu 610041 China
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9
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Fu Z, Deng N, Su S, Li H, Li R, Zhang X, Liu J, Niu D. Diastereo‐ and Enantioselective Propargylation of 5
H
‐Thiazol‐4‐ones and 5
H
‐Oxazol‐4‐ones as Enabled by Cu/Zn and Cu/Ti Catalysis. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201809391] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Zhengyan Fu
- Department of EmergencyState Key Laboratory of Biotherapy and Cancer CenterWest China HospitalSchool of Chemical EngineeringSichuan University No. 17 Renmin Nan Road Chengdu 610041 China
| | - Ning Deng
- Department of EmergencyState Key Laboratory of Biotherapy and Cancer CenterWest China HospitalSchool of Chemical EngineeringSichuan University No. 17 Renmin Nan Road Chengdu 610041 China
| | - Sheng‐Nan Su
- Department of EmergencyState Key Laboratory of Biotherapy and Cancer CenterWest China HospitalSchool of Chemical EngineeringSichuan University No. 17 Renmin Nan Road Chengdu 610041 China
| | - Hongyang Li
- School of ScienceXihua University Chengdu 610039 China
| | - Ren‐Zhe Li
- Department of EmergencyState Key Laboratory of Biotherapy and Cancer CenterWest China HospitalSchool of Chemical EngineeringSichuan University No. 17 Renmin Nan Road Chengdu 610041 China
| | - Xia Zhang
- Department of EmergencyState Key Laboratory of Biotherapy and Cancer CenterWest China HospitalSchool of Chemical EngineeringSichuan University No. 17 Renmin Nan Road Chengdu 610041 China
| | - Jie Liu
- Department of EmergencyState Key Laboratory of Biotherapy and Cancer CenterWest China HospitalSchool of Chemical EngineeringSichuan University No. 17 Renmin Nan Road Chengdu 610041 China
| | - Dawen Niu
- Department of EmergencyState Key Laboratory of Biotherapy and Cancer CenterWest China HospitalSchool of Chemical EngineeringSichuan University No. 17 Renmin Nan Road Chengdu 610041 China
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10
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Liu Y, Zhai D, Zhang X, Guan B. Potassium‐Zincate‐Catalyzed Benzylic C−H Bond Addition of Diarylmethanes to Styrenes. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201713165] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Yu‐Feng Liu
- State Key Laboratory and Institute of Elemento-Organic ChemistryCollege of ChemistryNankai University Tianjin 300071 China
| | - Dan‐Dan Zhai
- State Key Laboratory and Institute of Elemento-Organic ChemistryCollege of ChemistryNankai University Tianjin 300071 China
| | - Xiang‐Yu Zhang
- State Key Laboratory and Institute of Elemento-Organic ChemistryCollege of ChemistryNankai University Tianjin 300071 China
| | - Bing‐Tao Guan
- State Key Laboratory and Institute of Elemento-Organic ChemistryCollege of ChemistryNankai University Tianjin 300071 China
- Collaborative Innovation Center of Chemical Science and EngineeringNankai University Tianjin 300071 China
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11
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Yamashita Y, Suzuki H, Sato I, Hirata T, Kobayashi S. Catalytic Direct-Type Addition Reactions of Alkylarenes with Imines and Alkenes. Angew Chem Int Ed Engl 2018; 57:6896-6900. [DOI: 10.1002/anie.201711291] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Revised: 03/13/2017] [Indexed: 12/29/2022]
Affiliation(s)
- Yasuhiro Yamashita
- 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
| | - Io Sato
- Department of Chemistry; School of Science; The University of Tokyo; Hongo Bunkyo-ku Tokyo Japan
| | - Tsubasa Hirata
- 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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12
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Yamashita Y, Suzuki H, Sato I, Hirata T, Kobayashi S. Catalytic Direct-Type Addition Reactions of Alkylarenes with Imines and Alkenes. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201711291] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Yasuhiro Yamashita
- 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
| | - Io Sato
- Department of Chemistry; School of Science; The University of Tokyo; Hongo Bunkyo-ku Tokyo Japan
| | - Tsubasa Hirata
- 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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13
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Liu YF, Zhai DD, Zhang XY, Guan BT. Potassium-Zincate-Catalyzed Benzylic C-H Bond Addition of Diarylmethanes to Styrenes. Angew Chem Int Ed Engl 2018; 57:8245-8249. [PMID: 29394001 DOI: 10.1002/anie.201713165] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2017] [Revised: 02/02/2018] [Indexed: 01/13/2023]
Abstract
Direct functionalization of the benzylic C-H bond of diarylmethanes is an important strategy for the synthesis of diarylmethine-containing compounds. However, the methods developed to date for this purpose require a stoichiometric amount (usually more) of either a strong base or an oxidant. Reported here is the first catalytic benzylic C-H bond addition of diarylmethanes to styrenes and conjugated dienes. A potassium zincate complex, generated from potassium benzyl and zinc amide, acts as a catalyst and displays good activity and chemoselectivity. Considering the atom economy of the reaction and the ready availability of the catalyst, this reaction constitutes a practical, efficient method for diarylalkane synthesis.
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Affiliation(s)
- Yu-Feng Liu
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Dan-Dan Zhai
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Xiang-Yu Zhang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Bing-Tao Guan
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China.,Collaborative Innovation Center of Chemical Science and Engineering, Nankai University, Tianjin, 300071, China
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14
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Yamashita Y, Kobayashi S. Catalytic Carbon-Carbon Bond-Forming Reactions of Weakly Acidic Carbon Pronucleophiles Using Strong Brønsted Bases as Catalysts. Chemistry 2017; 24:10-17. [PMID: 28833781 DOI: 10.1002/chem.201703404] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2017] [Indexed: 11/09/2022]
Abstract
Catalytic carbon-carbon bond-forming reactions of weakly acidic carbon pronucleophiles with N-aryl imines, α,β-unsaturated amides, and others under proton-transfer conditions were developed by designing strongly basic reaction intermediates known as product bases. The reactions proceed smoothly in the presence of a catalytic amount of strong base such as KH or alkaline metal amides. Modification of the metal cations by using chiral macrocyclic crown ethers allowed catalytic asymmetric 1,4-addition reactions to proceed with high enantioselectivities. This concept can be applied to Brønsted-base-catalyzed reactions of a wide range of weakly acidic carbon pronucleophiles.
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Affiliation(s)
- Yasuhiro Yamashita
- Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Shū Kobayashi
- Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
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15
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Ričko S, Meden A, Ivančič A, Perdih A, Štefane B, Svete J, Grošelj U. Organocatalyzed Deracemization of Δ2
-Pyrrolin-4-ones. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201700539] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Sebastijan Ričko
- Faculty of Chemistry and Chemical Technology; University of Ljubljana; Večna pot 113 SI-1000 Ljubljana Slovenia
| | - Anže Meden
- Faculty of Chemistry and Chemical Technology; University of Ljubljana; Večna pot 113 SI-1000 Ljubljana Slovenia
| | - Anže Ivančič
- Faculty of Chemistry and Chemical Technology; University of Ljubljana; Večna pot 113 SI-1000 Ljubljana Slovenia
| | - Andrej Perdih
- National Institute of Chemistry; Hajdrihova 19 Ljubljana Slovenia
| | - Bogdan Štefane
- Faculty of Chemistry and Chemical Technology; University of Ljubljana; Večna pot 113 SI-1000 Ljubljana Slovenia
| | - Jurij Svete
- Faculty of Chemistry and Chemical Technology; University of Ljubljana; Večna pot 113 SI-1000 Ljubljana Slovenia
| | - Uroš Grošelj
- Faculty of Chemistry and Chemical Technology; University of Ljubljana; Večna pot 113 SI-1000 Ljubljana Slovenia
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16
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Saito A, Kumagai N, Shibasaki M. Cu/Pd Synergistic Dual Catalysis: Asymmetric α‐Allylation of an α‐CF
3
Amide. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201702113] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Akira Saito
- Institute of Microbial Chemistry (BIKAKEN) Tokyo 3-14-23 Kamiosaki, Shinagawa-ku Tokyo 141-0021 Japan
| | - Naoya Kumagai
- Institute of Microbial Chemistry (BIKAKEN) Tokyo 3-14-23 Kamiosaki, Shinagawa-ku Tokyo 141-0021 Japan
| | - Masakatsu Shibasaki
- Institute of Microbial Chemistry (BIKAKEN) Tokyo 3-14-23 Kamiosaki, Shinagawa-ku Tokyo 141-0021 Japan
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17
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Saito A, Kumagai N, Shibasaki M. Cu/Pd Synergistic Dual Catalysis: Asymmetric α‐Allylation of an α‐CF
3
Amide. Angew Chem Int Ed Engl 2017; 56:5551-5555. [DOI: 10.1002/anie.201702113] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Revised: 03/24/2017] [Indexed: 11/06/2022]
Affiliation(s)
- Akira Saito
- Institute of Microbial Chemistry (BIKAKEN) Tokyo 3-14-23 Kamiosaki, Shinagawa-ku Tokyo 141-0021 Japan
| | - Naoya Kumagai
- Institute of Microbial Chemistry (BIKAKEN) Tokyo 3-14-23 Kamiosaki, Shinagawa-ku Tokyo 141-0021 Japan
| | - Masakatsu Shibasaki
- Institute of Microbial Chemistry (BIKAKEN) Tokyo 3-14-23 Kamiosaki, Shinagawa-ku Tokyo 141-0021 Japan
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18
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Suzuki H, Igarashi R, Yamashita Y, Kobayashi S. Catalytic Direct-type 1,4-Addition Reactions of Alkylazaarenes. Angew Chem Int Ed Engl 2017; 56:4520-4524. [DOI: 10.1002/anie.201611374] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2016] [Revised: 02/01/2017] [Indexed: 12/20/2022]
Affiliation(s)
- Hirotsugu Suzuki
- Department of Chemistry; School of Science; The University of Tokyo; Hongo, Bunkyo-ku Tokyo Japan
| | - Ryo Igarashi
- Department of Chemistry; School of Science; The University of Tokyo; Hongo, Bunkyo-ku Tokyo Japan
| | - Yasuhiro Yamashita
- 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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19
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Suzuki H, Igarashi R, Yamashita Y, Kobayashi S. Catalytic Direct-type 1,4-Addition Reactions of Alkylazaarenes. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201611374] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Hirotsugu Suzuki
- Department of Chemistry; School of Science; The University of Tokyo; Hongo, Bunkyo-ku Tokyo Japan
| | - Ryo Igarashi
- Department of Chemistry; School of Science; The University of Tokyo; Hongo, Bunkyo-ku Tokyo Japan
| | - Yasuhiro Yamashita
- 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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20
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Lillo VJ, Saá JM. Towards Enzyme-like, Sustainable Catalysis: Switchable, Highly Efficient Asymmetric Synthesis of Enantiopure Biginelli Dihydropyrimidinones or Hexahydropyrimidinones. Chemistry 2016; 22:17182-17186. [PMID: 27669489 DOI: 10.1002/chem.201604433] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Indexed: 11/08/2022]
Abstract
Organocatalysts displaying a network of cooperative hydrogen bonds (NCHB) have been employed in an enzyme-like manner for a direct, switchable synthesis of enantiopure hexahydropyrimidinones (HHPMs) or dihydropyrimidinones (DHPMs), which starts at a common, easily accessible α-ureidosulfone stage. The NCHB organocatalyst exploits all its potential as a pure hydrogen-bond biomimetic catalyst even in the presence of organic bases. This one-pot, diastereo- and enantioselective synthetic procedure has been proven to be robust, scalable, highly efficient, and environmentally benign. A straightforward and truly practical entry to enantiopure HHPMs is reported for the first time.
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Affiliation(s)
- V J Lillo
- Departamento de Química, Universidad de las Islas Baleares, 07122, Palma de Mallorca, Spain
| | - J M Saá
- Departamento de Química, Universidad de las Islas Baleares, 07122, Palma de Mallorca, Spain
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21
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Yamashita Y, Minami K, Saito Y, Kobayashi S. Development of a Simple Adjustable Zinc Acid/Base Hybrid Catalyst for C-C and C-O Bond-Forming and C-C Bond-Cleavage Reactions. Chem Asian J 2016; 11:2372-6. [PMID: 27400735 DOI: 10.1002/asia.201600682] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2016] [Indexed: 11/11/2022]
Abstract
A newly designed zinc Lewis acid/base hybrid catalyst was developed. By adjusting the Lewis acidity of the zinc center, aldol-type additions of 2-picolylamine Schiff base to aldehydes proceeded smoothly to afford syn-aldol adduct equivalents, trans-N,O-acetal adducts, in high yields with high selectivities. NMR experiments, including microchanneled cell for synthesis monitoring (MICCS) NMR analysis, revealed that anti-aldol adducts were formed at the initial stage of the reactions under kinetic control, but the final products were the trans-(syn)-N,O-acetal adducts that were produced through a retro-aldol process under thermodynamic control. In the whole reaction process, the zinc catalyst played three important roles: i) promotion of the aldol process (C-C bond formation), ii) cyclization process to the N,O-acetal product (C-O bond formation), and iii) retro-aldol process from the anti-aldol adduct to the syn-aldol adduct (C-C bond cleavage and C-C bond formation).
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Affiliation(s)
- Yasuhiro Yamashita
- Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Kodai Minami
- Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Yuki Saito
- Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Shū Kobayashi
- Department of Chemistry, School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan.
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22
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Nakatake D, Yazaki R, Ohshima T. Chemoselective Transesterification of Acrylate Derivatives for Functionalized Monomer Synthesis Using a Hard Zinc Alkoxide Generation Strategy. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600737] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Daiki Nakatake
- Graduate school of Pharmaceutical Sciences; Kyushu University; Maidashi Higashi-ku 812-8582 Fukuoka Japan
| | - Ryo Yazaki
- Graduate school of Pharmaceutical Sciences; Kyushu University; Maidashi Higashi-ku 812-8582 Fukuoka Japan
| | - Takashi Ohshima
- Graduate school of Pharmaceutical Sciences; Kyushu University; Maidashi Higashi-ku 812-8582 Fukuoka Japan
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23
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Zhang M, Kumagai N, Shibasaki M. Electrophilic Activation of α,β‐Unsaturated Amides: Catalytic Asymmetric Vinylogous Conjugate Addition of Unsaturated γ‐Butyrolactones. Chemistry 2016; 22:5525-9. [DOI: 10.1002/chem.201600740] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2016] [Indexed: 01/08/2023]
Affiliation(s)
- Ming Zhang
- Institute of Microbial Chemistry (BIKAKEN) 3-14-23 Kamiosaki, Shinagawa-ku Tokyo 141-0021 Japan), Fax: (+81) 3-3441-7589
| | - Naoya Kumagai
- Institute of Microbial Chemistry (BIKAKEN) 3-14-23 Kamiosaki, Shinagawa-ku Tokyo 141-0021 Japan), Fax: (+81) 3-3441-7589
| | - Masakatsu Shibasaki
- Institute of Microbial Chemistry (BIKAKEN) 3-14-23 Kamiosaki, Shinagawa-ku Tokyo 141-0021 Japan), Fax: (+81) 3-3441-7589
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24
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Lin S, Kumagai N, Shibasaki M. Direct Catalytic Asymmetric Mannich-type Reaction of α,β-Unsaturated γ-Butyrolactam with Ketimines. Chemistry 2016; 22:3296-3299. [DOI: 10.1002/chem.201600034] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2016] [Indexed: 11/10/2022]
Affiliation(s)
- Shaoquan Lin
- Institute of Microbial Chemistry (BIKAKEN), Tokyo; 3-14-23 Kamiosaki, Shinagawa-ku Tokyo 141-0021 Japan
| | - Naoya Kumagai
- Institute of Microbial Chemistry (BIKAKEN), Tokyo; 3-14-23 Kamiosaki, Shinagawa-ku Tokyo 141-0021 Japan
| | - Masakatsu Shibasaki
- Institute of Microbial Chemistry (BIKAKEN), Tokyo; 3-14-23 Kamiosaki, Shinagawa-ku Tokyo 141-0021 Japan
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25
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Bao Y, Kumagai N, Shibasaki M. Managing the retro-pathway in direct catalytic asymmetric aldol reactions of thioamides. Chem Sci 2015; 6:6124-6132. [PMID: 30090227 PMCID: PMC6054082 DOI: 10.1039/c5sc02218e] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2015] [Accepted: 07/30/2015] [Indexed: 11/21/2022] Open
Abstract
Thioamides are the preferred pronucleophiles for direct catalytic asymmetric aldol reactions in the context of soft Lewis acid/hard Brønsted base cooperative catalysis. In-depth investigation of this proton-transfer catalysis, which is virtually in equilibrium, revealed that the prominence of the retro-aldol reaction depended on the substrate combination. The retro-aldol reaction is a serious issue in direct aldol reactions because the product distribution, including enantiomers and diastereomers, is governed by thermodynamic parameters, and the aldol products are obtained in much lower stereoselectivity compared with the kinetically controlled process. Herein we report the beneficial effect of an additive with a functional group architecture similar to that of the aldol adduct that suppresses the retro-aldol reaction by competitively binding to the catalyst. Strategic use of the additive led to high stereoselectivity, even when the combination of substrates was prone to the retro-aldol reaction.
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Affiliation(s)
- Youmei Bao
- Institute of Microbial Chemistry (BIKAKEN), Tokyo , 3-14-23 Kamiosaki, Shinagawa-ku , Tokyo 141-0021 , Japan . ;
| | - Naoya Kumagai
- Institute of Microbial Chemistry (BIKAKEN), Tokyo , 3-14-23 Kamiosaki, Shinagawa-ku , Tokyo 141-0021 , Japan . ;
| | - Masakatsu Shibasaki
- Institute of Microbial Chemistry (BIKAKEN), Tokyo , 3-14-23 Kamiosaki, Shinagawa-ku , Tokyo 141-0021 , Japan . ;
- JST , ACT-C , 3-14-23 Kamiosaki, Shinagawa-ku , Tokyo 141-0021 , Japan
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26
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Sun Z, Weidner K, Kumagai N, Shibasaki M. Direct Catalytic Asymmetric Mannich-Type Reaction of α-N3Amide. Chemistry 2015; 21:17574-7. [DOI: 10.1002/chem.201503921] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Indexed: 11/06/2022]
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27
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Van de Vyver S, Román-Leshkov Y. Metalloenzyme-Like Zeolites as Lewis Acid Catalysts for CC Bond Formation. Angew Chem Int Ed Engl 2015; 54:12554-61. [DOI: 10.1002/anie.201503701] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2015] [Indexed: 11/05/2022]
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28
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Van de Vyver S, Román‐Leshkov Y. Metalloenzymartige Zeolithe als Lewis‐Säure‐Katalysatoren für die C‐C‐Bindungsbildung. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201503701] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Stijn Van de Vyver
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139 (USA) http://www.romangroup.mit.edu
| | - Yuriy Román‐Leshkov
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139 (USA) http://www.romangroup.mit.edu
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29
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Lewis JD, Van de Vyver S, Román‐Leshkov Y. Acid–Base Pairs in Lewis Acidic Zeolites Promote Direct Aldol Reactions by Soft Enolization. Angew Chem Int Ed Engl 2015; 54:9835-8. [DOI: 10.1002/anie.201502939] [Citation(s) in RCA: 117] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2015] [Indexed: 11/10/2022]
Affiliation(s)
- Jennifer D. Lewis
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139 (USA) http://www.romangroup.mit.edu
| | - Stijn Van de Vyver
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139 (USA) http://www.romangroup.mit.edu
| | - Yuriy Román‐Leshkov
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139 (USA) http://www.romangroup.mit.edu
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30
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Lewis JD, Van de Vyver S, Román‐Leshkov Y. Acid–Base Pairs in Lewis Acidic Zeolites Promote Direct Aldol Reactions by Soft Enolization. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201502939] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Jennifer D. Lewis
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139 (USA) http://www.romangroup.mit.edu
| | - Stijn Van de Vyver
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139 (USA) http://www.romangroup.mit.edu
| | - Yuriy Román‐Leshkov
- Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139 (USA) http://www.romangroup.mit.edu
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31
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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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32
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Weidner K, Sun Z, Kumagai N, Shibasaki M. Direct Catalytic Asymmetric Aldol Reaction of an α-Azido Amide. Angew Chem Int Ed Engl 2015; 54:6236-40. [DOI: 10.1002/anie.201501607] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2015] [Indexed: 11/12/2022]
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33
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Weidner K, Sun Z, Kumagai N, Shibasaki M. Direct Catalytic Asymmetric Aldol Reaction of an α-Azido Amide. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201501607] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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34
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Lin S, Kawato Y, Kumagai N, Shibasaki M. Catalytic Asymmetric Mannich-Type Reaction ofN-Alkylidene-α-Aminoacetonitrile with Ketimines. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201412377] [Citation(s) in RCA: 11] [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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35
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Lin S, Kawato Y, Kumagai N, Shibasaki M. Catalytic Asymmetric Mannich-Type Reaction ofN-Alkylidene-α-Aminoacetonitrile with Ketimines. Angew Chem Int Ed Engl 2015; 54:5183-6. [DOI: 10.1002/anie.201412377] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2014] [Indexed: 11/09/2022]
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36
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Senda Y, Nakajima K, Nishibayashi Y. Cooperative Catalysis: Enantioselective Propargylic Alkylation of Propargylic Alcohols with Enecarbamates Using Ruthenium/Phosphoramide Hybrid Catalysts. Angew Chem Int Ed Engl 2015; 54:4060-4. [DOI: 10.1002/anie.201411601] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2014] [Revised: 12/23/2014] [Indexed: 11/09/2022]
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37
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Senda Y, Nakajima K, Nishibayashi Y. Cooperative Catalysis: Enantioselective Propargylic Alkylation of Propargylic Alcohols with Enecarbamates Using Ruthenium/Phosphoramide Hybrid Catalysts. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201411601] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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38
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Weidner K, Kumagai N, Shibasaki M. A Designed Amide as an Aldol Donor in the Direct Catalytic Asymmetric Aldol Reaction. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201403118] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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39
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Weidner K, Kumagai N, Shibasaki M. A Designed Amide as an Aldol Donor in the Direct Catalytic Asymmetric Aldol Reaction. Angew Chem Int Ed Engl 2014; 53:6150-4. [DOI: 10.1002/anie.201403118] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2014] [Revised: 03/26/2014] [Indexed: 11/11/2022]
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40
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Yin L, Takada H, Lin S, Kumagai N, Shibasaki M. Direct Catalytic Asymmetric Vinylogous Conjugate Addition of Unsaturated Butyrolactones to α,β-Unsaturated Thioamides. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201402332] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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41
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Yin L, Takada H, Lin S, Kumagai N, Shibasaki M. Direct Catalytic Asymmetric Vinylogous Conjugate Addition of Unsaturated Butyrolactones to α,β-Unsaturated Thioamides. Angew Chem Int Ed Engl 2014; 53:5327-31. [DOI: 10.1002/anie.201402332] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2014] [Indexed: 01/13/2023]
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42
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Diosdado S, López R, Palomo C. Ureidopeptide‐Based Brønsted Bases: Design, Synthesis and Application to the Catalytic Enantioselective Synthesis of β‐Amino Nitriles from (Arylsulfonyl)acetonitriles. Chemistry 2014; 20:6526-31. [DOI: 10.1002/chem.201304877] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2013] [Revised: 02/19/2014] [Indexed: 12/11/2022]
Affiliation(s)
- Saioa Diosdado
- Departamento de Química Orgánica I, Facultad de Química, Universidad del País Vasco, Apdo. 1072, 20080 San Sebastián (Spain)
| | - Rosa López
- Departamento de Química Orgánica I, Facultad de Química, Universidad del País Vasco, Apdo. 1072, 20080 San Sebastián (Spain)
| | - Claudio Palomo
- Departamento de Química Orgánica I, Facultad de Química, Universidad del País Vasco, Apdo. 1072, 20080 San Sebastián (Spain)
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43
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Uesugi S, Li Z, Yazaki R, Ohshima T. Chemoselective Catalytic Conjugate Addition of Alcohols over Amines. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201309755] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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44
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Uesugi S, Li Z, Yazaki R, Ohshima T. Chemoselective Catalytic Conjugate Addition of Alcohols over Amines. Angew Chem Int Ed Engl 2014; 53:1611-5. [DOI: 10.1002/anie.201309755] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2013] [Indexed: 11/10/2022]
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45
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Matsuzawa A, Opie CR, Kumagai N, Shibasaki M. Direct Aldol Strategy in Enantioselective Total Synthesis of Thuggacin B. Chemistry 2013; 20:68-71. [DOI: 10.1002/chem.201304297] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2013] [Indexed: 11/06/2022]
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46
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Diosdado S, Etxabe J, Izquierdo J, Landa A, Mielgo A, Olaizola I, López R, Palomo C. Catalytic Enantioselective Synthesis of Tertiary Thiols From 5H-Thiazol-4-ones and Nitroolefins: Bifunctional Ureidopeptide-Based Brønsted Base Catalysis. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201305644] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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47
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Diosdado S, Etxabe J, Izquierdo J, Landa A, Mielgo A, Olaizola I, López R, Palomo C. Catalytic enantioselective synthesis of tertiary thiols from 5H-thiazol-4-ones and nitroolefins: bifunctional ureidopeptide-based Brønsted base catalysis. Angew Chem Int Ed Engl 2013; 52:11846-51. [PMID: 24105886 DOI: 10.1002/anie.201305644] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2013] [Indexed: 01/09/2023]
Affiliation(s)
- Saioa Diosdado
- Departamento de Química Orgánica I, Facultad de Química, Universidad del País Vasco, Apdo. 1072, 20080 San Sebastián (Spain)
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48
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Torres M, Maisse-François A, Bellemin-Laponnaz S. Highly Recyclable Self-Supported Chiral Catalysts for the Enantioselective α-Hydrazination of β-Ketoesters. ChemCatChem 2013. [DOI: 10.1002/cctc.201300395] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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49
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Matsuo J, Murakami M. 40 Jahre Mukaiyama‐Aldolreaktion: eine Erfolgsgeschichte. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201303192] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Jun‐ichi Matsuo
- Division of Pharmaceutical Sciences, Graduate School of Medical Sciences, Kanazawa University, Kanazawa 920‐1192 (Japan)
| | - Masahiro Murakami
- Department of Synthetic Chemistry and Biological Chemistry, Kyoto University, Katsura, Kyoto 615‐8510 (Japan) http://www.sbchem.kyoto‐u.ac.jp/murakami‐lab/
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50
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Matsuo JI, Murakami M. The Mukaiyama Aldol Reaction: 40 Years of Continuous Development. Angew Chem Int Ed Engl 2013; 52:9109-18. [DOI: 10.1002/anie.201303192] [Citation(s) in RCA: 209] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2013] [Indexed: 11/09/2022]
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