1
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Hasani M, Kalhor HR. Enzyme-Inspired Lysine-Modified Carbon Quantum Dots Performing Carbonylation Using Urea and a Cascade Reaction for Synthesizing 2-Benzoxazolinone. ACS Catal 2021. [DOI: 10.1021/acscatal.1c01276] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Morteza Hasani
- Biochemistry Research Laboratory, Chemistry Department, Sharif University of Technology, P.O. Box 11155-3516, Tehran, Iran
| | - Hamid R. Kalhor
- Biochemistry Research Laboratory, Chemistry Department, Sharif University of Technology, P.O. Box 11155-3516, Tehran, Iran
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2
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Foubelo F, Nájera C, Sansano JM, Yus M. Transition metal-catalyzed reactions of N-sulfinyl imines. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.153104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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3
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Foubelo F, Yus M. Chiral N-tert-Butylsulfinyl Imines: New Discoveries. CHEM REC 2020; 21:1300-1341. [PMID: 33241905 DOI: 10.1002/tcr.202000122] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 10/27/2020] [Indexed: 12/21/2022]
Abstract
In this account the reactions of chiral N-tert-butylsulfinyl imines with organometallic reagents such as organoalkaline (lithium, sodium, potassium and cesium derivatives), organomagnesium, organozinc, organoboron, organoaluminium, organoindium and organosilicon compounds is comprehensively described. The reactivity in all cases is derived to synthetic applications in order to prepare interesting organic nitrogenated molecules, especially in the field of alkaloid compounds.
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Affiliation(s)
- Francisco Foubelo
- Departamento de Química Orgánica and Instituto de Síntesis Orgánica (ISO), Universidad de Alicante, Apdo. 99, 03080, Alicante, Spain.,Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Alicante, Apdo. 99, 03080, Alicante, Spain
| | - Miguel Yus
- Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Alicante, Apdo. 99, 03080, Alicante, Spain
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4
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Hamza A, Sorochkina K, Kótai B, Chernichenko K, Berta D, Bolte M, Nieger M, Repo T, Pápai I. Origin of Stereoselectivity in FLP-Catalyzed Asymmetric Hydrogenation of Imines. ACS Catal 2020. [DOI: 10.1021/acscatal.0c04263] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Andrea Hamza
- Institute of Organic Chemistry, Research Centre for Natural Sciences, Magyar tudósok körútja 2, H-1117 Budapest, Hungary
| | - Kristina Sorochkina
- Department of Chemistry, University of Helsinki, A. I. Virtasen aukio 1, 00014 Helsinki, Finland
| | - Bianka Kótai
- Institute of Organic Chemistry, Research Centre for Natural Sciences, Magyar tudósok körútja 2, H-1117 Budapest, Hungary
| | - Konstantin Chernichenko
- Department of Chemistry, University of Helsinki, A. I. Virtasen aukio 1, 00014 Helsinki, Finland
| | - Dénes Berta
- Institute of Organic Chemistry, Research Centre for Natural Sciences, Magyar tudósok körútja 2, H-1117 Budapest, Hungary
| | - Michael Bolte
- Institute of Inorganic Chemistry, Goethe-University, Max-von-Laue-Strasse 7, D-60438 Frankfurt am Main, Germany
| | - Martin Nieger
- Department of Chemistry, University of Helsinki, A. I. Virtasen aukio 1, 00014 Helsinki, Finland
| | - Timo Repo
- Department of Chemistry, University of Helsinki, A. I. Virtasen aukio 1, 00014 Helsinki, Finland
| | - Imre Pápai
- Institute of Organic Chemistry, Research Centre for Natural Sciences, Magyar tudósok körútja 2, H-1117 Budapest, Hungary
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5
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Achuenu C, Carret S, Poisson J, Berthiol F. Application of Chiral Sulfinamides into Formation and Reduction of Sulfinylketimines to Obtain Valuable α‐Chiral Primary Amines. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000608] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Chukuka Achuenu
- Département de Chimie Moléculaire (SERCO) UMR CNRS‐UGA5250, ICMG FR‐2607 Université Grenoble Alpes 301 Rue de la Chimie, BP 53 38058 Grenoble Cedex 9 France
| | - Sébastien Carret
- Département de Chimie Moléculaire (SERCO) UMR CNRS‐UGA5250, ICMG FR‐2607 Université Grenoble Alpes 301 Rue de la Chimie, BP 53 38058 Grenoble Cedex 9 France
| | - Jean‐François Poisson
- Département de Chimie Moléculaire (SERCO) UMR CNRS‐UGA5250, ICMG FR‐2607 Université Grenoble Alpes 301 Rue de la Chimie, BP 53 38058 Grenoble Cedex 9 France
| | - Florian Berthiol
- Département de Chimie Moléculaire (SERCO) UMR CNRS‐UGA5250, ICMG FR‐2607 Université Grenoble Alpes 301 Rue de la Chimie, BP 53 38058 Grenoble Cedex 9 France
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6
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Cicco L, Salomone A, Vitale P, Ríos-Lombardía N, González-Sabín J, García-Álvarez J, Perna FM, Capriati V. Addition of Highly Polarized Organometallic Compounds to N-tert-Butanesulfinyl Imines in Deep Eutectic Solvents under Air: Preparation of Chiral Amines of Pharmaceutical Interest. CHEMSUSCHEM 2020; 13:3583-3588. [PMID: 32445433 DOI: 10.1002/cssc.202001142] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Indexed: 06/11/2023]
Abstract
Highly polarized organometallic compounds of s-block elements are added smoothly to chiral N-tert-butanesulfinyl imines in the biodegradable d-sorbitol/choline chloride eutectic mixture, thereby granting access to enantioenriched primary amines after quantitatively removing the sulfinyl group. The practicality of the method is further highlighted by proceeding at ambient temperature and under air, with very short reaction times (2 min), enabling the preparation of diastereoisomeric sulfinamides in very good yields (74-98 %) and with a broad substrate scope, and the possibility of scaling up the process. The method is demonstrated in the asymmetric syntheses of both the chiral amine side-chain of (R,R)-Formoterol (96 % ee) and the pharmaceutically relevant (R)-Cinacalcet (98 % ee).
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Affiliation(s)
- Luciana Cicco
- Dipartimento di Farmacia-Scienze del Farmaco, Università di Bari "Aldo Moro", Consorzio C.I.N.M.P.I.S., Via E. Orabona 4, 70125, Bari, Italy
| | - Antonio Salomone
- Dipartimento di Scienze e Tecnologie Biologiche ed Ambientali, Università del Salento, Prov. le Lecce-Monteroni, 73100, Lecce, Italy
| | - Paola Vitale
- Dipartimento di Farmacia-Scienze del Farmaco, Università di Bari "Aldo Moro", Consorzio C.I.N.M.P.I.S., Via E. Orabona 4, 70125, Bari, Italy
| | - Nicolás Ríos-Lombardía
- EntreChem SL, Vivero Ciencias de la Salud, Colegio Santo Domingo de Guzmán, s/n, 33011, Oviedo, Spain
| | - Javier González-Sabín
- EntreChem SL, Vivero Ciencias de la Salud, Colegio Santo Domingo de Guzmán, s/n, 33011, Oviedo, Spain
| | - Joaquín García-Álvarez
- Laboratorio de Compuestos Organometálicos y Catálisis (Unidad Asociada al CSIC), Departamento de Química Orgánica e Inorgánica (IUQOEM), Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universidad de Oviedo, 33071, Oviedo, Spain
| | - Filippo M Perna
- Dipartimento di Farmacia-Scienze del Farmaco, Università di Bari "Aldo Moro", Consorzio C.I.N.M.P.I.S., Via E. Orabona 4, 70125, Bari, Italy
| | - Vito Capriati
- Dipartimento di Farmacia-Scienze del Farmaco, Università di Bari "Aldo Moro", Consorzio C.I.N.M.P.I.S., Via E. Orabona 4, 70125, Bari, Italy
- Dipartimento di Chimica, Istituto di Chimica dei Composti Organometallici (ICCOM)-CNR, Università di Bari "Aldo Moro", Via E. Orabona 4, 70125, Bari, Italy
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7
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Liu Y, Yue X, Li L, Li Z, Zhang L, Pu M, Yang Z, Wang C, Xiao J, Lei M. Asymmetric Induction with a Chiral Amine Catalyzed by a Ru-PNP Pincer Complex: Insight from Theoretical Investigation. Inorg Chem 2020; 59:8404-8411. [PMID: 32491852 DOI: 10.1021/acs.inorgchem.0c00823] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
In this paper, the mechanism of asymmetric amination of a racemic alcohol with Ellman's sulfinamide and the origin of diastereoselectivity catalyzed by a Ru-PNP pincer complex were studied using density functional theory (DFT). The mechanism involves dehydrogenation of the racemic alcohol, C-N coupling, and hydrogen transfer from the catalyst to the in situ formed imine. The calculated results indicate that both the alcohol dehydrogenation and imine hydrogenation are stepwise. The hydride transfer from a Ru hydride complex to the imine is shown to be the chirality-determining step in the whole catalytic cycle. It was found that the diastereoselectivity mainly stems from the hydrogen bonding interactions between the oxygen atom of the sulfinyl moiety and the hydrogen atom of the NH group of the ligand.
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Affiliation(s)
- Yangqiu Liu
- State Key Laboratory of Chemical Resource Engineering, Institute of Computational Chemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, China
| | - Xin Yue
- State Key Laboratory of Chemical Resource Engineering, Institute of Computational Chemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, China
| | - Longfei Li
- College of Pharmaceutical Science, Hebei University, Baoding 071002, China
| | - Zhewei Li
- State Key Laboratory of Chemical Resource Engineering, Institute of Computational Chemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, China
| | - Lin Zhang
- State Key Laboratory of Chemical Resource Engineering, Institute of Computational Chemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, China
| | - Min Pu
- State Key Laboratory of Chemical Resource Engineering, Institute of Computational Chemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, China
| | - Zuoyin Yang
- State Key Laboratory of Chemical Resource Engineering, Institute of Computational Chemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, China
| | - Chao Wang
- Key Laboratory of Surface and Colloid Chemistry, Ministry of Education, and School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China
| | - Jianliang Xiao
- Department of Chemistry, University of Liverpool, Liverpool L69 7ZD, U.K
| | - Ming Lei
- State Key Laboratory of Chemical Resource Engineering, Institute of Computational Chemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, China
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8
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Yang Q, Li S, Wang J(J. Asymmetric Synthesis of Chiral Chromanes by Copper‐Catalyzed Hydroamination of 2
H
‐Chromenes. ChemCatChem 2020. [DOI: 10.1002/cctc.202000601] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Qingjing Yang
- School of Chemistry and Chemical EngineeringHarbin Institute of Technology Harbin 150080 P. R. China
- Department of ChemistrySouthern University of Science and Technology Shenzhen Guangdong 518055 P. R. China
| | - Sifeng Li
- Department of ChemistrySouthern University of Science and Technology Shenzhen Guangdong 518055 P. R. China
| | - Jun (Joelle) Wang
- Department of ChemistrySouthern University of Science and Technology Shenzhen Guangdong 518055 P. R. China
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9
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Molga K, Dittwald P, Grzybowski BA. Computational design of syntheses leading to compound libraries or isotopically labelled targets. Chem Sci 2019; 10:9219-9232. [PMID: 32055308 PMCID: PMC6979321 DOI: 10.1039/c9sc02678a] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2019] [Accepted: 08/09/2019] [Indexed: 01/08/2023] Open
Abstract
Although computer programs for retrosynthetic planning have shown improved and in some cases quite satisfactory performance in designing routes leading to specific, individual targets, no algorithms capable of planning syntheses of entire target libraries - important in modern drug discovery - have yet been reported. This study describes how network-search routines underlying existing retrosynthetic programs can be adapted and extended to multi-target design operating on one common search graph, benefitting from the use of common intermediates and reducing the overall synthetic cost. Implementation in the Chematica platform illustrates the usefulness of such algorithms in the syntheses of either (i) all members of a user-defined library, or (ii) the most synthetically accessible members of this library. In the latter case, algorithms are also readily adapted to the identification of the most facile syntheses of isotopically labelled targets. These examples are industrially relevant in the context of hit-to-lead optimization and syntheses of isotopomers of various bioactive molecules.
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Affiliation(s)
- Karol Molga
- Institute of Organic Chemistry , Polish Academy of Sciences , ul. Kasprzaka 44/52 , Warsaw 01-224 , Poland .
| | - Piotr Dittwald
- Institute of Organic Chemistry , Polish Academy of Sciences , ul. Kasprzaka 44/52 , Warsaw 01-224 , Poland .
| | - Bartosz A Grzybowski
- Institute of Organic Chemistry , Polish Academy of Sciences , ul. Kasprzaka 44/52 , Warsaw 01-224 , Poland .
- IBS Center for Soft and Living Matter and Department of Chemistry , UNIST , 50, UNIST-gil, Eonyang-eup, Ulju-gun , Ulsan , 689-798 , South Korea
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10
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Shinohara R, Kawashima H, Ogawa N, Kobayashi Y. Substitution of Secondary Benzylic Phosphates with Diarylmethyl Anions. Tetrahedron 2019. [DOI: 10.1016/j.tet.2019.03.050] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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11
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Structural Diversity in Ruthenium-Catalyzed Asymmetric Transfer Hydrogenation Reactions. TOP ORGANOMETAL CHEM 2019. [DOI: 10.1007/3418_2019_27] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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12
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Ruiz‐Castañeda M, Carrión MC, Santos L, Manzano BR, Espino G, Jalón FA. A Biphasic Medium Slows Down the Transfer Hydrogenation and Allows a Selective Catalytic Deuterium Labeling of Amines from Imines Mediated by a Ru−H/D+Exchange in D2O. ChemCatChem 2018. [DOI: 10.1002/cctc.201801343] [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)
- Margarita Ruiz‐Castañeda
- Facultad de Ciencias y Tecnologías Químicas-IRICAUniversity of Castilla-La Mancha Avda. C. J. Cela, 10 Ciudad Real 13071 Spain
| | - M. Carmen Carrión
- Facultad de Ciencias y Tecnologías Químicas-IRICAUniversity of Castilla-La Mancha Avda. C. J. Cela, 10 Ciudad Real 13071 Spain
| | - Lucía Santos
- Facultad de Ciencias y Tecnologías Químicas-IRICAUniversity of Castilla-La Mancha Avda. C. J. Cela, 10 Ciudad Real 13071 Spain
| | - Blanca R. Manzano
- Facultad de Ciencias y Tecnologías Químicas-IRICAUniversity of Castilla-La Mancha Avda. C. J. Cela, 10 Ciudad Real 13071 Spain
| | - Gustavo Espino
- Departamento de Química Facultad de CienciasUniversity of Burgos Plaza Misael Bañuelos s/n Burgos 09111 Spain
| | - Félix A. Jalón
- Facultad de Ciencias y Tecnologías Químicas-IRICAUniversity of Castilla-La Mancha Avda. C. J. Cela, 10 Ciudad Real 13071 Spain
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13
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Marx L, Ríos‐Lombardía N, Farnberger JF, Kroutil W, Benítez‐Mateos AI, López‐Gallego F, Morís F, González‐Sabín J, Berglund P. Chemoenzymatic Approaches to the Synthesis of the Calcimimetic Agent Cinacalcet Employing Transaminases and Ketoreductases. Adv Synth Catal 2018; 360:2157-2165. [PMID: 29937706 PMCID: PMC6001662 DOI: 10.1002/adsc.201701485] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Revised: 02/05/2018] [Indexed: 12/16/2022]
Abstract
Several chemoenzymatic routes have been explored for the preparation of cinacalcet, a calcimimetic agent. Transaminases (TAs) and ketoreductases (KREDs) turned out to be useful biocatalysts for the preparation of key optically active precursors. Thus, the asymmetric amination of 1-acetonaphthone yielded an enantiopure (R)-amine, which can be alkylated in one step to yield cinacalcet. Alternatively, the bioreduction of the same ketone resulted in an enantiopure (S)-alcohol, which was easily converted into the previous (R)-amine. In addition, the reduction was efficiently performed with the KRED and its cofactor co-immobilized on the same porous surface. This self-sufficient heterogeneous biocatalyst presented an accumulated total turnover number (TTN) for the cofactor of 675 after 5 consecutive operational cycles. Finally, in a preparative scale synthesis the TA-based approach was performed in aqueous medium and led to enantiopure cinacalcet in two steps and 50% overall yield.
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Affiliation(s)
- Lisa Marx
- KTH Royal Institute of TechnologyDepartment of Industrial BiotechnologySE-106 91StockholmSweden
- EntreChem, S.L.Vivero Ciencias de la SaludSanto Domingo de Guzmán33011OviedoSpain
| | | | - Judith F. Farnberger
- Austrian Centre of Industrial BiotechnologyACIB GmbHc/o University of GrazHarrachgasse 218010GrazAustria
| | - Wolfgang Kroutil
- Institute of ChemistryOrganic and Bioorganic ChemistryUniversity of GrazHarrachgasse 218010GrazAustria
| | - Ana I. Benítez‐Mateos
- Heterogeneous biocatalysis groupCIC biomaGUNEEdificio Empresarial “C”Paseo de Miramón 18220009DonostiaSpain
| | - Fernando López‐Gallego
- Heterogeneous biocatalysis groupCIC biomaGUNEEdificio Empresarial “C”Paseo de Miramón 18220009DonostiaSpain
- IKERBASQUEBasque Foundation for ScienceBilbaoSpain
| | - Francisco Morís
- EntreChem, S.L.Vivero Ciencias de la SaludSanto Domingo de Guzmán33011OviedoSpain
| | | | - Per Berglund
- KTH Royal Institute of TechnologyDepartment of Industrial BiotechnologySE-106 91StockholmSweden
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14
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Matsunami A, Kayaki Y. Upgrading and expanding the scope of homogeneous transfer hydrogenation. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2017.12.078] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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15
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Balgobin SMC, Brookes DJ, Jiang J, Pritchard RG, Wallace TW. Axial stereocontrol in tropos dibenz[c,e]azepines: the individual and cooperative effects of alkyl substituents. Org Biomol Chem 2017; 15:10184-10199. [PMID: 29177299 DOI: 10.1039/c7ob02385e] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
6,7-Dihydro-5H-dibenz[c,e]azepines, a class of secondary amine incorporating a centre-axis chirality relay, can be prepared from N-(2-bromobenzyl)-N-(1-arylalkyl)methanesulfonamides via Pd-catalysed intramolecular direct arylation, and methylated at C(7) via the 5,7-trans diastereoselective addition of methylmagnesium bromide to the derived N-benzylazepinium tetraphenylborate. Using these methods, the 4,5-dimethylated and 4,5,7-trimethylated homologues 13 and 14 were obtained and shown by 1H NMR spectroscopy to be axially biased in opposite senses, as defined by the respective pseudoaxial or pseudoequatorial orientation of the 5-substituent in the preferred conformers, while retaining their tropos nature (the Arrhenius activation energy, EA, for the conformational exchange process in 14 was estimated to be 57 kJ mol-1 using 2D-EXSY NMR spectroscopy at 233-248 K). These results serve to illustrate how substituent effects might be exploited in new designs of bridged biaryl ligand in which tropos dynamics operate in combination with a pre-existing axial stereochemical bias.
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Affiliation(s)
- Sinead M C Balgobin
- School of Chemistry, The University of Manchester, Oxford Road, Manchester M13 9PL, UK.
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16
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Selva E, Sempere Y, Ruiz-Martínez D, Pablo Ó, Guijarro D. Synthesis of Allylic Amines by Asymmetric Transfer Hydrogenation of α,β-Unsaturated N-(tert-Butylsulfinyl)imines. J Org Chem 2017; 82:13693-13699. [DOI: 10.1021/acs.joc.7b02472] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Elisabet Selva
- Departamento de Química
Orgánica, Facultad de Ciencias and Instituto de Síntesis
Orgánica (ISO), Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain
| | - Yeshua Sempere
- Departamento de Química
Orgánica, Facultad de Ciencias and Instituto de Síntesis
Orgánica (ISO), Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain
| | - Débora Ruiz-Martínez
- Departamento de Química
Orgánica, Facultad de Ciencias and Instituto de Síntesis
Orgánica (ISO), Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain
| | - Óscar Pablo
- Departamento de Química
Orgánica, Facultad de Ciencias and Instituto de Síntesis
Orgánica (ISO), Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain
| | - David Guijarro
- Departamento de Química
Orgánica, Facultad de Ciencias and Instituto de Síntesis
Orgánica (ISO), Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain
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17
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Chai H, Liu T, Zheng D, Yu Z. Cooperative N–H and CH2 Skeleton Effects on the Catalytic Activities of Bimetallic Ru(II)–NNN Complexes: Experimental and Theoretical Study. Organometallics 2017. [DOI: 10.1021/acs.organomet.7b00682] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Huining Chai
- Dalian Institute
of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
| | - Tingting Liu
- Dalian Institute
of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
| | - Daoyuan Zheng
- Dalian Institute
of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
| | - Zhengkun Yu
- Dalian Institute
of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, People’s Republic of China
- State Key Laboratory of Organometallic
Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin Road, Shanghai 200032, People’s Republic of China
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18
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Liu T, Chai H, Wang L, Yu Z. Exceptionally Active Assembled Dinuclear Ruthenium(II)-NNN Complex Catalysts for Transfer Hydrogenation of Ketones. Organometallics 2017. [DOI: 10.1021/acs.organomet.7b00356] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Tingting Liu
- Dalian
Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan
Road, Dalian, Liaoning 116023, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Huining Chai
- Dalian
Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan
Road, Dalian, Liaoning 116023, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Liandi Wang
- Dalian
Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan
Road, Dalian, Liaoning 116023, China
| | - Zhengkun Yu
- Dalian
Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan
Road, Dalian, Liaoning 116023, China
- State
Key Laboratory of Organometallic Chemistry, Shanghai Institute of
Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin Road, Shanghai 200032, China
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19
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Foubelo F, Yus M. Recent advances in the use of chiral aldimines in asymmetric synthesis. Russ Chem Bull 2017. [DOI: 10.1007/s11172-016-1496-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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20
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Pan HJ, Zhang Y, Shan C, Yu Z, Lan Y, Zhao Y. Asymmetric Transfer Hydrogenation of Imines using Alcohol: Efficiency and Selectivity are Influenced by the Hydrogen Donor. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201604025] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Hui-Jie Pan
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 Singapore 117543 Singapore
| | - Yao Zhang
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 Singapore 117543 Singapore
| | - Chunhui Shan
- School of Chemistry and Chemical Engineering; Chongqing University; Chongqing 400030 P.R. China
| | - Zhaoyuan Yu
- School of Chemistry and Chemical Engineering; Chongqing University; Chongqing 400030 P.R. China
| | - Yu Lan
- School of Chemistry and Chemical Engineering; Chongqing University; Chongqing 400030 P.R. China
| | - Yu Zhao
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 Singapore 117543 Singapore
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21
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Pan HJ, Zhang Y, Shan C, Yu Z, Lan Y, Zhao Y. Asymmetric Transfer Hydrogenation of Imines using Alcohol: Efficiency and Selectivity are Influenced by the Hydrogen Donor. Angew Chem Int Ed Engl 2016; 55:9615-9. [DOI: 10.1002/anie.201604025] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Revised: 06/14/2016] [Indexed: 11/10/2022]
Affiliation(s)
- Hui-Jie Pan
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 Singapore 117543 Singapore
| | - Yao Zhang
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 Singapore 117543 Singapore
| | - Chunhui Shan
- School of Chemistry and Chemical Engineering; Chongqing University; Chongqing 400030 P.R. China
| | - Zhaoyuan Yu
- School of Chemistry and Chemical Engineering; Chongqing University; Chongqing 400030 P.R. China
| | - Yu Lan
- School of Chemistry and Chemical Engineering; Chongqing University; Chongqing 400030 P.R. China
| | - Yu Zhao
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 Singapore 117543 Singapore
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22
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Hydrogenation and Transfer Hydrogenation Promoted by Tethered Ru−S Complexes: From Cooperative Dihydrogen Activation to Hydride Abstraction/Proton Release from Dihydrogen Surrogates. Chemistry 2016; 22:10009-16. [DOI: 10.1002/chem.201600386] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2016] [Indexed: 11/07/2022]
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23
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Wills M. Imino Transfer Hydrogenation Reductions. Top Curr Chem (Cham) 2016; 374:14. [DOI: 10.1007/s41061-016-0013-7] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Accepted: 02/13/2016] [Indexed: 10/22/2022]
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24
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Adamkiewicz A, Mlynarski J. Diastereoselective Hydrosilylation of N
-(tert
-Butylsulfinyl)imines Catalyzed by Zinc Acetate. European J Org Chem 2016. [DOI: 10.1002/ejoc.201501318] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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25
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Chai H, Wang Q, Liu T, Yu Z. Diruthenium(ii)–NNN pincer complex catalysts for transfer hydrogenation of ketones. Dalton Trans 2016; 45:17843-17849. [DOI: 10.1039/c6dt03620a] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A strategy to construct highly efficient diruthenium(ii)–NNN pincer complex catalysts was established for the transfer hydrogenation of ketones.
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Affiliation(s)
- Huining Chai
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- P. R. China
| | - Qingfu Wang
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- P. R. China
| | - Tingting Liu
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- P. R. China
| | - Zhengkun Yu
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- P. R. China
- State Key Laboratory of Organometallic Chemistry
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26
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Pan HJ, Ng TW, Zhao Y. Iron-catalyzed transfer hydrogenation of imines assisted by an iron-based Lewis acid. Org Biomol Chem 2016; 14:5490-3. [DOI: 10.1039/c5ob02119g] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An iron-catalyzed transfer hydrogenation of N-aryl and N-alkyl imines using isopropanol as the hydrogen donor is reported for the first time.
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Affiliation(s)
- Hui-Jie Pan
- Department of Chemistry
- National University of Singapore
- Republic of Singapore
| | - Teng Wei Ng
- Department of Chemistry
- National University of Singapore
- Republic of Singapore
| | - Yu Zhao
- Department of Chemistry
- National University of Singapore
- Republic of Singapore
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27
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Chakrabarti K, Paul B, Maji M, Roy BC, Shee S, Kundu S. Bifunctional Ru(ii) complex catalysed carbon–carbon bond formation: an eco-friendly hydrogen borrowing strategy. Org Biomol Chem 2016; 14:10988-10997. [DOI: 10.1039/c6ob02010k] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Bifunctional Ru(ii) complex (0.1 mol%) catalysed one-pot β-alkylation of secondary alcohols with primary alcohols and double alkylation of cyclopentanol were carried out successfully following the atom economical borrowing hydrogen methodology.
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Affiliation(s)
- Kaushik Chakrabarti
- Department of Chemistry
- Indian Institute of Technology Kanpur
- Kanpur 208016
- India
| | - Bhaskar Paul
- Department of Chemistry
- Indian Institute of Technology Kanpur
- Kanpur 208016
- India
| | - Milan Maji
- Department of Chemistry
- Indian Institute of Technology Kanpur
- Kanpur 208016
- India
| | - Bivas Chandra Roy
- Department of Chemistry
- Indian Institute of Technology Kanpur
- Kanpur 208016
- India
| | - Sujan Shee
- Department of Chemistry
- Indian Institute of Technology Kanpur
- Kanpur 208016
- India
| | - Sabuj Kundu
- Department of Chemistry
- Indian Institute of Technology Kanpur
- Kanpur 208016
- India
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28
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Liu T, Chen LY, Sun Z. Asymmetric Reduction of tert-Butanesulfinyl Ketimines by N-Heterocyclic Carbene Boranes. J Org Chem 2015; 80:11441-6. [DOI: 10.1021/acs.joc.5b02084] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Tao Liu
- College of Chemistry and
Chemical Engineering, Shanghai University of Engineering Science, 333 Longteng Road, Shanghai, China
| | - Ling-yan Chen
- College of Chemistry and
Chemical Engineering, Shanghai University of Engineering Science, 333 Longteng Road, Shanghai, China
| | - Zhihua Sun
- College of Chemistry and
Chemical Engineering, Shanghai University of Engineering Science, 333 Longteng Road, Shanghai, China
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29
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Chai H, Liu T, Wang Q, Yu Z. Substituent Effect on the Catalytic Activity of Ruthenium(II) Complexes Bearing a Pyridyl-Supported Pyrazolyl-Imidazolyl Ligand for Transfer Hydrogenation of Ketones. Organometallics 2015. [DOI: 10.1021/acs.organomet.5b00727] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Huining Chai
- Dalian
Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan
Road, Dalian, Liaoning 116023, People’s Republic of China
| | - Tingting Liu
- Dalian
Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan
Road, Dalian, Liaoning 116023, People’s Republic of China
| | - Qingfu Wang
- Dalian
Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan
Road, Dalian, Liaoning 116023, People’s Republic of China
| | - Zhengkun Yu
- Dalian
Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan
Road, Dalian, Liaoning 116023, People’s Republic of China
- State
Key Laboratory of Organometallic Chemistry, Shanghai Institute of
Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin Road, Shanghai 200032, People’s Republic of China
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30
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Foubelo F, Yus M. Catalytic Asymmetric Transfer Hydrogenation of Imines: Recent Advances. CHEM REC 2015; 15:907-24. [DOI: 10.1002/tcr.201500203] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2015] [Indexed: 11/06/2022]
Affiliation(s)
- Francisco Foubelo
- Departamento de Química Orgánica; Facultad de Ciencias and Centro de Innovación en Química Avanzada (ORFEO-CINQA); Universidad de Alicante; Apdo. 99 03080 Alicante Spain
| | - Miguel Yus
- Departamento de Química Orgánica; Facultad de Ciencias and Centro de Innovación en Química Avanzada (ORFEO-CINQA); Universidad de Alicante; Apdo. 99 03080 Alicante Spain
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31
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Affiliation(s)
- Dong Wang
- ISM, Université de Bordeaux, 351 Cours de la Libération, 33405 Talence Cedex, France
| | - Didier Astruc
- ISM, Université de Bordeaux, 351 Cours de la Libération, 33405 Talence Cedex, France
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32
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Menéndez-Pedregal E, Vaquero M, Lastra E, Gamasa P, Pizzano A. Highly Enantioselective Hydrogenation ofN-Aryl Imines Derived from Acetophenones by Using Ru-Pybox Complexes under Hydrogenation or Transfer Hydrogenation Conditions in Isopropanol. Chemistry 2014; 21:549-53. [DOI: 10.1002/chem.201405276] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2014] [Indexed: 11/10/2022]
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33
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Pablo Ó, Guijarro D, Yus M. Microwave-Enhanced Asymmetric Transfer Hydrogenation ofN-(tert-Butylsulfinyl)imines. European J Org Chem 2014. [DOI: 10.1002/ejoc.201402884] [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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34
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Oldenhuis NJ, Dong VM, Guan Z. From racemic alcohols to enantiopure amines: Ru-catalyzed diastereoselective amination. J Am Chem Soc 2014; 136:12548-51. [PMID: 25170560 PMCID: PMC4160272 DOI: 10.1021/ja5058482] [Citation(s) in RCA: 108] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
![]()
A commercially available ruthenium(II)
PNP-type pincer catalyst
(Ru-Macho) promotes the formation of α-chiral tert-butanesulfinylamines from racemic secondary alcohols and Ellman’s
chiral tert-butanesulfinamide via a hydrogen borrowing
strategy. The formation of α-chiral tert-butanesulfinylamines
occurs in yields ranging from 31% to 89% with most examples giving
>95:5 dr.
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Affiliation(s)
- Nathan J Oldenhuis
- Department of Chemistry, 1102 Natural Sciences II, University of California , Irvine, California 92697-2025, United States
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35
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Dai X, Cahard D. Enantioselective Synthesis of α-Trifluoromethyl Arylmethylamines by Ruthenium-Catalyzed Transfer Hydrogenation Reaction. Adv Synth Catal 2014. [DOI: 10.1002/adsc.201301115] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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36
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Muñoz Robles V, Vidossich P, Lledós A, Ward TR, Maréchal JD. Computational Insights on an Artificial Imine Reductase Based on the Biotin–Streptavidin Technology. ACS Catal 2014. [DOI: 10.1021/cs400921n] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Victor Muñoz Robles
- Departament
de Química, Universitat Autònoma de Barcelona, Edifici
C.n., 08193 Cerdanyola
del Vallés, Barcelona, Spain
| | - Pietro Vidossich
- Departament
de Química, Universitat Autònoma de Barcelona, Edifici
C.n., 08193 Cerdanyola
del Vallés, Barcelona, Spain
| | - Agustí Lledós
- Departament
de Química, Universitat Autònoma de Barcelona, Edifici
C.n., 08193 Cerdanyola
del Vallés, Barcelona, Spain
| | - Thomas R. Ward
- Department
of Chemistry, University of Basel, Spitalstrasse 51, CH-4056 Basel, Switzerland
| | - Jean-Didier Maréchal
- Departament
de Química, Universitat Autònoma de Barcelona, Edifici
C.n., 08193 Cerdanyola
del Vallés, Barcelona, Spain
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37
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Paul CE, Rodríguez-Mata M, Busto E, Lavandera I, Gotor-Fernández V, Gotor V, García-Cerrada S, Mendiola J, de Frutos Ó, Collado I. Transaminases Applied to the Synthesis of High Added-Value Enantiopure Amines. Org Process Res Dev 2014. [DOI: 10.1021/op4003104] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Caroline E. Paul
- Departamento
de Química Orgánica e Inorgánica, Instituto Universitario de Biotecnología de Asturias, University of Oviedo, C/Julián Clavería 8, Oviedo 33006, Spain
| | - María Rodríguez-Mata
- Departamento
de Química Orgánica e Inorgánica, Instituto Universitario de Biotecnología de Asturias, University of Oviedo, C/Julián Clavería 8, Oviedo 33006, Spain
| | - Eduardo Busto
- Departamento
de Química Orgánica e Inorgánica, Instituto Universitario de Biotecnología de Asturias, University of Oviedo, C/Julián Clavería 8, Oviedo 33006, Spain
| | - Iván Lavandera
- Departamento
de Química Orgánica e Inorgánica, Instituto Universitario de Biotecnología de Asturias, University of Oviedo, C/Julián Clavería 8, Oviedo 33006, Spain
| | - Vicente Gotor-Fernández
- Departamento
de Química Orgánica e Inorgánica, Instituto Universitario de Biotecnología de Asturias, University of Oviedo, C/Julián Clavería 8, Oviedo 33006, Spain
| | - Vicente Gotor
- Departamento
de Química Orgánica e Inorgánica, Instituto Universitario de Biotecnología de Asturias, University of Oviedo, C/Julián Clavería 8, Oviedo 33006, Spain
| | - Susana García-Cerrada
- Centro de Investigación
Lilly S.A., Avda. de la Industria
30, Alcobendas-Madrid 28108, Spain
| | - Javier Mendiola
- Centro de Investigación
Lilly S.A., Avda. de la Industria
30, Alcobendas-Madrid 28108, Spain
| | - Óscar de Frutos
- Centro de Investigación
Lilly S.A., Avda. de la Industria
30, Alcobendas-Madrid 28108, Spain
| | - Iván Collado
- Centro de Investigación
Lilly S.A., Avda. de la Industria
30, Alcobendas-Madrid 28108, Spain
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38
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Pablo Ó, Guijarro D, Yus M. Synthesis of Nitrogenated Heterocycles by Asymmetric Transfer Hydrogenation of N-(tert-Butylsulfinyl)haloimines. J Org Chem 2013; 78:9181-9. [DOI: 10.1021/jo4014386] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Óscar Pablo
- Departamento de Química
Orgánica, Facultad de Ciencias and Instituto de Síntesis
Orgánica (ISO), Universidad de Alicante, Apartado 99, 03080 Alicante, Spain
| | - David Guijarro
- Departamento de Química
Orgánica, Facultad de Ciencias and Instituto de Síntesis
Orgánica (ISO), Universidad de Alicante, Apartado 99, 03080 Alicante, Spain
| | - Miguel Yus
- Departamento de Química
Orgánica, Facultad de Ciencias and Instituto de Síntesis
Orgánica (ISO), Universidad de Alicante, Apartado 99, 03080 Alicante, Spain
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39
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Du W, Wu P, Wang Q, Yu Z. Ruthenium(II) Complex Catalysts Bearing a Pyridyl-Based Benzimidazolyl–Benzotriazolyl Ligand for Transfer Hydrogenation of Ketones. Organometallics 2013. [DOI: 10.1021/om400298c] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Wangming Du
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, Liaoning
116023, People’s Republic of China
| | - Ping Wu
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, Liaoning
116023, People’s Republic of China
| | - Qingfu Wang
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, Liaoning
116023, People’s Republic of China
| | - Zhengkun Yu
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, Liaoning
116023, People’s Republic of China
- State Key Laboratory of Organometallic
Chemistry, Shanghai Institute of
Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin Road, Shanghai 200032, People’s Republic of
China
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40
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Guijarro D, Pablo Ó, Yus M. Synthesis of γ-, δ-, and ε-lactams by asymmetric transfer hydrogenation of N-(tert-butylsulfinyl)iminoesters. J Org Chem 2013; 78:3647-54. [PMID: 23535067 DOI: 10.1021/jo400164y] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Highly enantiomerically enriched γ- and δ-lactams have been prepared by a simple and very efficient procedure that involves the asymmetric transfer hydrogenation of N-(tert-butylsulfinyl)iminoesters followed by desulfinylation of the nitrogen atom and spontaneous cyclization to the desired lactams during the basic workup procedure. Five- and six-membered ring lactams bearing aromatic, heteroaromatic, and aliphatic substituents have been obtained in very high yields and ee's up to >99%. A slight modification of the procedure also allowed the preparation of ε-lactams in good yields and very high enantioselectivities. Both enantiomers of the final lactams could be prepared with equal efficiency by changing the absolute configuration of the sulfinyl chiral auxiliary.
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Affiliation(s)
- David Guijarro
- Departamento de Química Orgánica, Facultad de Ciencias and Instituto de Síntesis Orgánica, Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain.
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41
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Collados JF, Toledano E, Guijarro D, Yus M. Microwave-Assisted Solvent-Free Synthesis of Enantiomerically Pure N-(tert-Butylsulfinyl)imines. J Org Chem 2012; 77:5744-50. [DOI: 10.1021/jo300919x] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Juan F. Collados
- Departamento de Química Orgánica, Facultad
de Ciencias and Instituto de Síntesis Orgánica (ISO), Universidad de Alicante, Apdo. 99, 03080 Alicante,
Spain
| | - Estefanía Toledano
- Departamento de Química Orgánica, Facultad
de Ciencias and Instituto de Síntesis Orgánica (ISO), Universidad de Alicante, Apdo. 99, 03080 Alicante,
Spain
| | - David Guijarro
- Departamento de Química Orgánica, Facultad
de Ciencias and Instituto de Síntesis Orgánica (ISO), Universidad de Alicante, Apdo. 99, 03080 Alicante,
Spain
| | - Miguel Yus
- Departamento de Química Orgánica, Facultad
de Ciencias and Instituto de Síntesis Orgánica (ISO), Universidad de Alicante, Apdo. 99, 03080 Alicante,
Spain
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42
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Chiral β-Amino Alcohols as Ligands for the Ruthenium-Catalyzed Asymmetric Transfer Hydrogenation of N-Phosphinyl Ketimines. APPLIED SCIENCES-BASEL 2012. [DOI: 10.3390/app2010001] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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