1
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Gondo N, Hyakutake R, Fujimura K, Ueda Y, Nakano K, Tsutsumi R, Yamanaka M, Kawabata T. Catalyst‐Dependent Rate‐Determining Steps in Regiodivergent Vinylogous Aza‐Morita‐Baylis‐Hillman Reactions with
N
‐Ts Imines. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Naruhiro Gondo
- Institute for Chemical Research Kyoto University Gokasho, Uji, Kyoto 611-0011 Japan
| | - Ryuichi Hyakutake
- Institute for Chemical Research Kyoto University Gokasho, Uji, Kyoto 611-0011 Japan
| | - Koki Fujimura
- Institute for Chemical Research Kyoto University Gokasho, Uji, Kyoto 611-0011 Japan
| | - Yoshihiro Ueda
- Institute for Chemical Research Kyoto University Gokasho, Uji, Kyoto 611-0011 Japan
| | - Katsuhiko Nakano
- Department of Chemistry and Research Center for Smart Molecules Rikkyo University 3-34-1 Nishi-ikebukuro Toshima-ku, Tokyo 171-8588 Japan
| | - Ryosuke Tsutsumi
- Department of Chemistry and Research Center for Smart Molecules Rikkyo University 3-34-1 Nishi-ikebukuro Toshima-ku, Tokyo 171-8588 Japan
| | - Masahiro Yamanaka
- Department of Chemistry and Research Center for Smart Molecules Rikkyo University 3-34-1 Nishi-ikebukuro Toshima-ku, Tokyo 171-8588 Japan
| | - Takeo Kawabata
- Institute for Chemical Research Kyoto University Gokasho, Uji, Kyoto 611-0011 Japan
- Department of Pharmaceutical Sciences International University of Health and Welfare 137-1 Enokizu Okawa, Fukuoka 831-8501 Japan
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2
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Schaufelberger F, Ramström O. Activated Self-Resolution and Error-Correction in Catalytic Reaction Networks*. Chemistry 2021; 27:10335-10340. [PMID: 33780566 DOI: 10.1002/chem.202100208] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Indexed: 01/02/2023]
Abstract
Understanding the emergence of function in complex reaction networks is a primary goal of systems chemistry and origin-of-life studies. Especially challenging is to create systems that simultaneously exhibit several emergent functions that can be independently tuned. In this work, a multifunctional complex reaction network of nucleophilic small molecule catalysts for the Morita-Baylis-Hillman (MBH) reaction is demonstrated. The dynamic system exhibited triggered self-resolution, preferentially amplifying a specific catalyst/product set out of a many potential alternatives. By utilizing selective reversibility of the products of the reaction set, systemic thermodynamically driven error-correction could also be introduced. To achieve this, a dynamic covalent MBH reaction based on adducts with internal H-transfer capabilities was developed. By careful tuning of the substituents, rate accelerations of retro-MBH reactions of up to four orders of magnitude could be obtained. This study thus demonstrates how efficient self-sorting of catalytic systems can be achieved through an interplay of several complex emergent functionalities.
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Affiliation(s)
- Fredrik Schaufelberger
- Department of Chemistry, KTH - Royal Institute of Technology Teknikringen 36, 10044 Stockholm (Sweden)
| | - Olof Ramström
- Department of Chemistry, KTH - Royal Institute of Technology Teknikringen 36, 10044 Stockholm (Sweden).,Department of Chemistry, University of Massachusetts Lowell, One University Ave., Lowell, MA, 01854, USA.,Department of Chemistry and Biomedical Sciences, Linnaeus University, 39182, Kalmar, Sweden
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3
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Helberg J, Ampßler T, Zipse H. Pyridinyl Amide Ion Pairs as Lewis Base Organocatalysts. J Org Chem 2020; 85:5390-5402. [DOI: 10.1021/acs.joc.0c00114] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Julian Helberg
- Department of Chemistry, Ludwig-Maximilians-Universität, Butenandtstrasse 5-13, 81377 München, Germany
| | - Torsten Ampßler
- Department of Chemistry, Ludwig-Maximilians-Universität, Butenandtstrasse 5-13, 81377 München, Germany
| | - Hendrik Zipse
- Department of Chemistry, Ludwig-Maximilians-Universität, Butenandtstrasse 5-13, 81377 München, Germany
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4
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Xiao J, Li Q, Shen R, Shimada S, Han L. Phosphonium Phenolate Zwitterion
vs
Phosphonium Ylide: Synthesis, Characterization and Reactivity Study of a Trimethylphosphonium Phenolate Zwitterion. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201901303] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Jing Xiao
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecule of Ministry of Education, School of Chemistry and Chemical EngineeringHunan University of Science and Technology Xiangtan 411201 People's Republic of China
- National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Ibaraki 305-8565 Japan
| | - Qiang Li
- College of Chemistry and Chemical EngineeringLiaocheng University, Liaocheng Shandong 252059 People's Republic of China
| | - Ruwei Shen
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemical EngineeringNanjing Tech University Nanjing 211816 People's Republic of China
| | - Shigeru Shimada
- National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Ibaraki 305-8565 Japan
| | - Li‐Biao Han
- National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Ibaraki 305-8565 Japan
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5
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Affiliation(s)
- Ashim Nandi
- Department of Chemistry Ben-Gurion University of the Negev Beer-Sheva 841051 Israel
| | - Sebastian Kozuch
- Department of Chemistry Ben-Gurion University of the Negev Beer-Sheva 841051 Israel
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6
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Yingcharoen P, Kongtes C, Arayachukiat S, Suvarnapunya K, Vummaleti SVC, Wannakao S, Cavallo L, Poater A, D' Elia V. Assessing the pKa
-Dependent Activity of Hydroxyl Hydrogen Bond Donors in the Organocatalyzed Cycloaddition of Carbon Dioxide to Epoxides: Experimental and Theoretical Study. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201801093] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Prapussorn Yingcharoen
- Department of Materials Science and Engineering, School of Molecular Science and Engineering; Vidyasirimedhi Institute of Science and Technology, (VISTEC); Wang Chan Thailand
| | - Chutima Kongtes
- Department of Materials Science and Engineering, School of Molecular Science and Engineering; Vidyasirimedhi Institute of Science and Technology, (VISTEC); Wang Chan Thailand
| | - Sunatda Arayachukiat
- Department of Materials Science and Engineering, School of Molecular Science and Engineering; Vidyasirimedhi Institute of Science and Technology, (VISTEC); Wang Chan Thailand
| | - Kittipong Suvarnapunya
- Department of Materials Science and Engineering, School of Molecular Science and Engineering; Vidyasirimedhi Institute of Science and Technology, (VISTEC); Wang Chan Thailand
- Department of Immunology, Faculty of Medicine, Siriraj Hospital; Mahidol University; Bangkok 10700 Thailand
| | - Sai V. C. Vummaleti
- King Abdullah University of Science & Technology; KAUST Catalysis Center (KCC); 23955-6900 Thuwal Saudi Arabia
| | - Sippakorn Wannakao
- Department of Materials Science and Engineering, School of Molecular Science and Engineering; Vidyasirimedhi Institute of Science and Technology, (VISTEC); Wang Chan Thailand
| | - Luigi Cavallo
- King Abdullah University of Science & Technology; KAUST Catalysis Center (KCC); 23955-6900 Thuwal Saudi Arabia
| | - Albert Poater
- Institut de Química Computacional i Catàlisi and Departament de Química; Universitat de Girona, c/Maria Aurèlia Capmany 69; 17003 Girona, Catalonia Spain
| | - Valerio D' Elia
- Department of Materials Science and Engineering, School of Molecular Science and Engineering; Vidyasirimedhi Institute of Science and Technology, (VISTEC); Wang Chan Thailand
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7
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Pellissier H. Synthesis of chiral 3-substituted 3-amino-2-oxindoles through enantioselective catalytic nucleophilic additions to isatin imines. Beilstein J Org Chem 2018; 14:1349-1369. [PMID: 29977400 PMCID: PMC6009130 DOI: 10.3762/bjoc.14.114] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Accepted: 05/17/2018] [Indexed: 12/14/2022] Open
Abstract
This review collects the recent developments in the synthesis of chiral 3-substituted 3-amino-2-oxindoles based on enantioselective catalytic nucleophilic additions to isatin imines published since the beginning of 2015.
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Affiliation(s)
- Hélène Pellissier
- Aix-Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
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8
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Maity S, Sar S, Ghorai P. Primary Aminothiourea-Catalyzed Enantioselective Synthesis of Rauhut-Currier Adducts of 3-Arylcyclohexenone with a Tethered Enone on the Aryl Moiety at the Ortho-Position. Org Lett 2018; 20:1707-1711. [PMID: 29558154 DOI: 10.1021/acs.orglett.7b03959] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
An enantioselective synthesis of Rauhut-Currier (RC) adducts from 3-aryl cyclohexenone with a tethered enone moiety at the ortho-position on the aryl group is accomplished. This method provides a wide range of valuable synthetic building blocks having a unique [6-5-6] all-carbon-fused tricyclic skeleton. A primary amine-containing thiourea, a bifunctional organocatalyst, was found to be an efficient catalyst for this transformation. The primary amine counterpart of the catalyst possibly activates the aliphatic enone via dienamine formation (HOMO activation), whereas the thiourea counterpart activates the tethered enone (LUMO activation). Considering the difficulty in achieving an RC reaction of β,β-disubstituted (alkyl and aryl) enones, this method would be significantly rewarding.
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Affiliation(s)
- Sanjay Maity
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal , Bhopal By-pass Road , Bhauri, Bhopal - 462066 , India
| | - Suman Sar
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal , Bhopal By-pass Road , Bhauri, Bhopal - 462066 , India
| | - Prasanta Ghorai
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal , Bhopal By-pass Road , Bhauri, Bhopal - 462066 , India
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9
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Raich L, Santos H, Gomes JC, Rodrigues MT, Galaverna R, Eberlin MN, Coelho F, Rovira C, Moyano A. Can an Alcohol Act As an Acid/Base Catalyst in Water Solution? An Experimental and Theoretical Study of Imidazole Catalysis of the Aqueous Morita–Baylis–Hillman Reaction. ACS Catal 2018. [DOI: 10.1021/acscatal.7b04053] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Lluís Raich
- Secció
de Química Orgànica, Departament de Química Inorgànica
i Orgànica, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Catalonia, Spain
- Institut
de Química Teòrica i Computacional (IQTCUB), Facultat
de Química, Universitat de Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Catalonia, Spain
| | - Hugo Santos
- Secció
de Química Orgànica, Departament de Química Inorgànica
i Orgànica, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Catalonia, Spain
- Laboratory
of Synthesis of Natural Products and Drugs, Institute of Chemistry, University of Campinas, UNICAMP P.O. Box 6154, 13083-970, Campinas, SP, Brazil
| | - Juliana C. Gomes
- Laboratory
of Synthesis of Natural Products and Drugs, Institute of Chemistry, University of Campinas, UNICAMP P.O. Box 6154, 13083-970, Campinas, SP, Brazil
| | - Manoel T. Rodrigues
- Laboratory
of Synthesis of Natural Products and Drugs, Institute of Chemistry, University of Campinas, UNICAMP P.O. Box 6154, 13083-970, Campinas, SP, Brazil
| | - Renan Galaverna
- ThoMSon
Mass Spectrometry Laboratory, Institute of Chemistry, University of Campinas, UNICAMP P.O.
Box 6154, 13083-970, Campinas, SP, Brazil
| | - Marcos N. Eberlin
- ThoMSon
Mass Spectrometry Laboratory, Institute of Chemistry, University of Campinas, UNICAMP P.O.
Box 6154, 13083-970, Campinas, SP, Brazil
| | - Fernando Coelho
- Laboratory
of Synthesis of Natural Products and Drugs, Institute of Chemistry, University of Campinas, UNICAMP P.O. Box 6154, 13083-970, Campinas, SP, Brazil
| | - Carme Rovira
- Secció
de Química Orgànica, Departament de Química Inorgànica
i Orgànica, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Catalonia, Spain
- Institut
de Química Teòrica i Computacional (IQTCUB), Facultat
de Química, Universitat de Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Catalonia, Spain
- Institució Catalana de Recerca i Estudis Avançats (ICREA), Passeig Lluís Companys, 23, 08018 Barcelona, Catalonia, Spain
| | - Albert Moyano
- Secció
de Química Orgànica, Departament de Química Inorgànica
i Orgànica, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Catalonia, Spain
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10
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Chaturvedi AK, Rastogi N. Visible light catalyzed synthesis of quinolines from (aza)-Morita–Baylis–Hillman adducts. Org Biomol Chem 2018; 16:8155-8159. [PMID: 30335122 DOI: 10.1039/c8ob02260g] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A mild and efficient protocol for the synthesis of quinoline scaffolds from (aza)-MBH adducts under visible light catalysis has been established.
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Affiliation(s)
- Atul Kumar Chaturvedi
- Medicinal and Process Chemistry Division
- CSIR-Central Drug Research Institute
- Lucknow 226031
- India
- Academy of Scientific and Innovative Research
| | - Namrata Rastogi
- Medicinal and Process Chemistry Division
- CSIR-Central Drug Research Institute
- Lucknow 226031
- India
- Academy of Scientific and Innovative Research
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11
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Bauer G, Ongari D, Xu X, Tiana D, Smit B, Ranocchiari M. Metal-Organic Frameworks Invert Molecular Reactivity: Lewis Acidic Phosphonium Zwitterions Catalyze the Aldol-Tishchenko Reaction. J Am Chem Soc 2017; 139:18166-18169. [PMID: 29198106 PMCID: PMC5742478 DOI: 10.1021/jacs.7b10928] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
![]()
The
influence of metal–organic frameworks (MOFs) as additives
is herein described for the reaction of n-alkyl aldehydes
in the presence of methylvinylketone and triphenylphosphine. In the
absence of a MOF, the expected Morita–Baylis–Hillman
product, a β-hydroxy enone, is observed. In the presence of
MOFs with UMCM-1 and MOF-5 topologies, the reaction is selective to
Aldol-Tishchenko products, the 1 and 3 n-alkylesters
of 2-alkyl-1,3-diols, which is unprecedented in organocatalysis. The
(3-oxo-2-butenyl)triphenylphosphonium zwitterion, a commonly known
nucleophile, is identified as the catalytic active species. This zwitterion
favors nucleophilic character in solution, whereas once confined within
the framework, it becomes an electrophile yielding Aldol-Tishchenko
selectivity. Computational investigations reveal a structural change
in the phosphonium moiety induced by the steric confinement of the
framework that makes it accessible and an electrophile.
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Affiliation(s)
- Gerald Bauer
- Laboratory for Catalysis and Sustainable Chemistry, Paul Scherrer Institute , CH-5232 Villigen PSI, Switzerland
| | - Daniele Ongari
- Laboratory of Molecular Simulation (LSMO), Institut des Sciences et Ingénierie Chimiques, Valais Ecole Polytechnique Fédérale de Lausanne (EPFL) Rue de l'Industrie 17, CH-1951 Sion, Switzerland
| | - Xiaoying Xu
- Laboratory for Catalysis and Sustainable Chemistry, Paul Scherrer Institute , CH-5232 Villigen PSI, Switzerland
| | - Davide Tiana
- Laboratory of Molecular Simulation (LSMO), Institut des Sciences et Ingénierie Chimiques, Valais Ecole Polytechnique Fédérale de Lausanne (EPFL) Rue de l'Industrie 17, CH-1951 Sion, Switzerland.,School of Chemistry, University College Cork , College Road, Cork, Ireland
| | - Berend Smit
- Laboratory of Molecular Simulation (LSMO), Institut des Sciences et Ingénierie Chimiques, Valais Ecole Polytechnique Fédérale de Lausanne (EPFL) Rue de l'Industrie 17, CH-1951 Sion, Switzerland
| | - Marco Ranocchiari
- Laboratory for Catalysis and Sustainable Chemistry, Paul Scherrer Institute , CH-5232 Villigen PSI, Switzerland
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12
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Pellissier H. Recent developments in the asymmetric organocatalytic Morita−Baylis−Hillman reaction. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.04.008] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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13
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Kenny R, Liu F. Cooperative Trifunctional Organocatalysts for Proficient Proton Transfer Reactions. CHEM REC 2016; 17:535-553. [PMID: 27775874 DOI: 10.1002/tcr.201600106] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2016] [Accepted: 09/12/2016] [Indexed: 02/02/2023]
Abstract
Cooperativity is essential to proficient catalysis, and designing biomimetic, cooperative catalysis is a major avenue to finding new and efficient chemical reactions with practical applications. One challenge in designed cooperative catalysis is to access high catalytic proficiency (large enhancement in both rate and enantioselectivity) as seen in biocatalysis. Here described is an approach of developing and investigating trifunctional organocatalysts with three distinct catalytic functionalities, in order to understand how cooperativity could be organized for enantioselective activation that confers the observed proficiency in a tandem Michael-aldol-proton transfer elimination model reaction. This in future may assist in finding not just cooperative but also regulated catalysis to expand the level of catalytic complexity and efficiency in biomimetic systems.
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Affiliation(s)
- Ryan Kenny
- Department of Chemistry and Biomolecular Sciences, Macquarie University, Sydney, New South Wales, Australia
| | - Fei Liu
- Department of Chemistry and Biomolecular Sciences, Macquarie University, Sydney, New South Wales, Australia
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14
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Deo C, Bogliotti N, Retailleau P, Xie J. Triphenylphosphine Photorelease and Induction of Catalytic Activity from Ruthenium-Arene Complexes Bearing a Photoswitchable o-Tosylamide Azobenzene Ligand. Organometallics 2016. [DOI: 10.1021/acs.organomet.6b00431] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Claire Deo
- PPSM, ENS Cachan,
CNRS, Université Paris-Saclay, 94235 Cachan, France
| | - Nicolas Bogliotti
- PPSM, ENS Cachan,
CNRS, Université Paris-Saclay, 94235 Cachan, France
| | - Pascal Retailleau
- Institut de Chimie des Substances Naturelles,
CNRS UPR 2301, Université Paris-Sud, Université Paris-Saclay, 1, Avenue de la Terrasse, 91198 Gif-sur-Yvette, France
| | - Juan Xie
- PPSM, ENS Cachan,
CNRS, Université Paris-Saclay, 94235 Cachan, France
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15
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Tian X, Zhang S, Zheng L. First Novozym 435 lipase-catalyzed Morita–Baylis–Hillman reaction in the presence of amides. Enzyme Microb Technol 2016; 84:32-40. [DOI: 10.1016/j.enzmictec.2015.12.006] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2015] [Revised: 12/04/2015] [Accepted: 12/15/2015] [Indexed: 11/29/2022]
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16
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Yang B, Shen M, Ji X, Xu Z, Sun H, Jiang B, Li G. Chiral N-Phosphonyl Imines for an Aza-Morita–Baylis–Hillman Reaction via Group-Assisted Purification (GAP) Chemistry. J Org Chem 2016; 81:2488-93. [DOI: 10.1021/acs.joc.6b00049] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Bing Yang
- Institute
of Chemistry and Biomedical Sciences and School of Chemistry and Chemical
Engineering, Nanjing University, Nanjing, 210093 China
| | - Minxing Shen
- Institute
of Chemistry and Biomedical Sciences and School of Chemistry and Chemical
Engineering, Nanjing University, Nanjing, 210093 China
| | - Xiaozhou Ji
- Institute
of Chemistry and Biomedical Sciences and School of Chemistry and Chemical
Engineering, Nanjing University, Nanjing, 210093 China
| | - Ziyan Xu
- Institute
of Chemistry and Biomedical Sciences and School of Chemistry and Chemical
Engineering, Nanjing University, Nanjing, 210093 China
| | - Hao Sun
- Institute
of Chemistry and Biomedical Sciences and School of Chemistry and Chemical
Engineering, Nanjing University, Nanjing, 210093 China
| | - Bo Jiang
- Department
of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas 79409-1061, United States
| | - Guigen Li
- Institute
of Chemistry and Biomedical Sciences and School of Chemistry and Chemical
Engineering, Nanjing University, Nanjing, 210093 China
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17
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Yoshida Y, Sako M, Kishi K, Sasai H, Hatakeyama S, Takizawa S. An enantioselective organocatalyzed aza-Morita-Baylis-Hillman reaction of isatin-derived ketimines with acrolein. Org Biomol Chem 2015. [PMID: 26214279 DOI: 10.1039/c5ob00874c] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
A highly enantioselective aza-Morita-Baylis-Hillman (aza-MBH) reaction of isatin-derived ketimines with acrolein was established using β-isocupreidine (β-ICD) or α-isocupreine (α-ICPN) as a chiral acid-base organocatalyst. The present protocol readily furnished (S) or (R)-aza-MBH adducts with a chiral tetrasubstituted carbon stereogenic center in up to 98% ee.
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Affiliation(s)
- Yasushi Yoshida
- The Institute of Scientific and Industrial Research (ISIR), Osaka University, Mihogaoka, Ibaraki-shi, Osaka 567-0047, Japan.
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18
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Verma P, Verma P, Sunoj RB. The mechanism of the NHC catalyzed aza-Morita–Baylis–Hillman reaction: insights into a new substrate-catalyzed bimolecular pathway. Org Biomol Chem 2014; 12:2176-9. [DOI: 10.1039/c3ob42273a] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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19
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Liu F. The Upside of Downsizing: Asymmetric Trifunctional Organocatalysts as Small Enzyme Mimics for Cooperative Enhancement of Both Rate and Enantioselectivity With Regulation. Chirality 2013; 25:675-83. [DOI: 10.1002/chir.22214] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2013] [Revised: 05/31/2013] [Accepted: 06/05/2013] [Indexed: 11/10/2022]
Affiliation(s)
- Fei Liu
- Department of Chemistry and Biomolecular Sciences Macquarie University Sydney Australia
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