1
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Wang L, Lv J, Zhang Y, Yang D. Asymmetric magnesium catalysis for important chiral scaffold synthesis. Org Biomol Chem 2024; 22:4778-4800. [PMID: 38809153 DOI: 10.1039/d4ob00521j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2024]
Abstract
Magnesium catalysts are widely used in catalytic asymmetric reactions, and a series of catalytic strategies have been developed in recent years. Herein, in this review, we have tried to summarize asymmetric magnesium catalysis for the synthesis of important chiral scaffolds. Several important optically active motifs that are present in classic chiral ligands or natural products synthesized by Mg(II) catalytic methods are briefly discussed. Moreover, the representative mechanisms for different magnesium catalytic strategies, including in situ generated magnesium catalysts, are also shown in relation to synthetic routes for obtaining these important chiral scaffolds.
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Affiliation(s)
- Linqing Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, Lanzhou, 730000, China.
| | - Jiaming Lv
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, Lanzhou, 730000, China.
| | - Yongshuo Zhang
- Scientific Research and Innovation Expert Studio of China Inspection and Certification Group Liaoning Co., Ltd, Dalian, 116039, China
| | - Dongxu Yang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou University, Lanzhou, 730000, China.
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2
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Montiège O, Rouzier F, Lhoste J, Gaulon-Nourry C, Castanet AS, Chany AC. Rhodium(I)-Catalyzed O-H Insertions on O-Protected α-Diazo-β-Hydroxyesters. J Org Chem 2024; 89:3194-3201. [PMID: 38349765 DOI: 10.1021/acs.joc.3c02652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2024]
Abstract
The X-H insertion reaction constitutes a powerful tool to create diversity through the diazo decomposition of diazocarbonyl compounds. However, until now, X-H insertion on α-diazo-β-aryl-β-hydroxyester scaffolds, readily prepared by aldol-type addition, remained a challenge for the organic chemist. We report herein the first O-H insertions on O-protected α-diazo-β-aryl-β-hydroxyesters, providing straightforward access to a wide range of α,β-dioxygenated esters through modulation of the alcohol and of the aryl substituent. The key feature to achieving this transformation is the use of Rh(I) catalysts, which proved to be crucial to favor the targeted O-H insertion product over the competing 1,2-H and 1,2-Ar migration products. Overall, 32 O-H insertion products have been prepared, in moderate to good yields, with a diastereoisomeric ratio up to 7.5:1 in favor of the syn diastereoisomer.
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Affiliation(s)
- Ophélie Montiège
- Institut des Molécules et Matériaux du Mans, IMMM-UMR 6283 CNRS, Le Mans Université, Avenue Olivier Messiaen, 72085 Cedex 9 Le Mans, France
| | - Florian Rouzier
- Institut des Molécules et Matériaux du Mans, IMMM-UMR 6283 CNRS, Le Mans Université, Avenue Olivier Messiaen, 72085 Cedex 9 Le Mans, France
| | - Jérôme Lhoste
- Institut des Molécules et Matériaux du Mans, IMMM-UMR 6283 CNRS, Le Mans Université, Avenue Olivier Messiaen, 72085 Cedex 9 Le Mans, France
| | - Catherine Gaulon-Nourry
- Institut des Molécules et Matériaux du Mans, IMMM-UMR 6283 CNRS, Le Mans Université, Avenue Olivier Messiaen, 72085 Cedex 9 Le Mans, France
| | - Anne-Sophie Castanet
- Institut des Molécules et Matériaux du Mans, IMMM-UMR 6283 CNRS, Le Mans Université, Avenue Olivier Messiaen, 72085 Cedex 9 Le Mans, France
| | - Anne-Caroline Chany
- Institut des Molécules et Matériaux du Mans, IMMM-UMR 6283 CNRS, Le Mans Université, Avenue Olivier Messiaen, 72085 Cedex 9 Le Mans, France
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3
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Zhong Z, Ma TK, White AJP, Bull JA. Synthesis of Pyrazolesulfoximines Using α-Diazosulfoximines with Alkynes. Org Lett 2024; 26:1178-1183. [PMID: 38306458 PMCID: PMC10877601 DOI: 10.1021/acs.orglett.3c04274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 01/26/2024] [Accepted: 02/01/2024] [Indexed: 02/04/2024]
Abstract
Sulfoximines and pyrazoles are both important motifs in medicinal compounds. Here we report the synthesis and reactivity of sulfoximine diazo compounds as new reagents for the incorporation of sulfoximines. The use of N-silyl sulfoximines enabled formation of monosubstituted diazo compounds. Their application is demonstrated in a [3 + 2] cycloaddition with alkynes to form pyrazole sulfoximines in a new combination of these important chemotypes. Further derivatization of the pyrazole sulfoximines is demonstrated, including silyl deprotection to form unprotected pyrazolesulfoximines.
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Affiliation(s)
- Zhenhao Zhong
- Department of Chemistry, Imperial College London, Molecular Sciences Research
Hub, White City Campus, Wood Lane, London W12
0BZ, U.K.
| | - Tsz-Kan Ma
- Department of Chemistry, Imperial College London, Molecular Sciences Research
Hub, White City Campus, Wood Lane, London W12
0BZ, U.K.
| | - Andrew J. P. White
- Department of Chemistry, Imperial College London, Molecular Sciences Research
Hub, White City Campus, Wood Lane, London W12
0BZ, U.K.
| | - James A. Bull
- Department of Chemistry, Imperial College London, Molecular Sciences Research
Hub, White City Campus, Wood Lane, London W12
0BZ, U.K.
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4
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Riuttamäki S, Bannykh A, Pihko PM. Carboxylate Catalysis: A Catalytic O-Silylative Aldol Reaction of Aldehydes and Ethyl Diazoacetate. J Org Chem 2023; 88:14396-14403. [PMID: 37768196 PMCID: PMC10594658 DOI: 10.1021/acs.joc.3c01304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Indexed: 09/29/2023]
Abstract
A mild catalytic variant of the aldol reaction between ethyl diazoacetate and aldehydes is described using a combination of N,O-bis(trimethylsilyl)acetamide and catalytic tetramethylammonium pivalate as catalyst. The reaction proceeds rapidly at ambient temperature to afford the O-silylated aldol products in good to excellent yield, and the acetamide byproducts can be removed by simple filtration.
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Affiliation(s)
| | | | - Petri M. Pihko
- Department of Chemistry and
NanoScience Center, University of Jyväskylä, P.O.B. 35, Jyväskylä FI-40014, Finland
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5
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Wang L, Gao F, Zhang X, Peng T, Xu Y, Wang R, Yang D. Concerted Enantioselective [2+2] Cycloaddition Reaction of Imines Mediated by a Magnesium Catalyst. J Am Chem Soc 2023; 145:610-625. [PMID: 36538490 DOI: 10.1021/jacs.2c11284] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Enantioselective [2 + 2] cyclization between an imine and a carbon-carbon double bond is a versatile strategy to build chiral azetidines. However, α-branched allenoates have never been successfully applied in [2 + 2] cyclization reactions with imines, as they always undergo Kwon's [4 + 2] annulation in previous catalytic methods. Herein, a simple in situ generated magnesium catalyst was employed to successfully achieve the enantioselective [2 + 2] cyclization reaction of DPP-imines and α-branched allenoates for the first time. Insightful experiments including KIE experiments, controlled experiments, Hammett plot analysis, and 31P NMR studies of initial intermediates indicate that the current [2 + 2] cyclization of imine most likely involves an asynchronous concerted transition state. Further mechanistic investigations by combining kinetic studies, ESI experiments, 31P NMR studies of coordination complexes, and controlled experiments on reaction rates under different catalyst loading amounts provided the coordination details for this [2 + 2] cyclization reaction between DPP-imines and α-branched allenoates. This new approach was applied to the synthesis of various chiral aza-heterocycles, including the enantioselective synthesis of the key intermediate of a lipid-lowering agent Ezetimibe.
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Affiliation(s)
- Linqing Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Science, Lanzhou University, Lanzhou 730000, P. R. China.,Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou 730000, P. R. China
| | - Feiyun Gao
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Science, Lanzhou University, Lanzhou 730000, P. R. China.,Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou 730000, P. R. China
| | - Xiaoyong Zhang
- Institute of Systems and Physical Biology, Shenzhen Bay Laboratory, Shenzhen 518055, P. R. China
| | - Tianyu Peng
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Science, Lanzhou University, Lanzhou 730000, P. R. China.,Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou 730000, P. R. China
| | - Yingfan Xu
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Science, Lanzhou University, Lanzhou 730000, P. R. China.,Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou 730000, P. R. China
| | - Rui Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Science, Lanzhou University, Lanzhou 730000, P. R. China.,Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou 730000, P. R. China
| | - Dongxu Yang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Science, Lanzhou University, Lanzhou 730000, P. R. China.,Research Unit of Peptide Science, Chinese Academy of Medical Sciences, 2019RU066, Lanzhou 730000, P. R. China
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6
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A tandem asymmetric oxidation-oxa-Michael sequence for dearomatization of β-naphthols. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2021.12.075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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7
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Trost BM, Zhang G, Xu M, Qi X. ProPhenol Derived Ligands to Simultaneously Coordinate a Main-Group Metal and a Transition Metal: Application to a Zn-Cu Catalyzed Reaction. Chemistry 2021; 28:e202104268. [PMID: 34902190 DOI: 10.1002/chem.202104268] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Indexed: 11/05/2022]
Abstract
A new bifunctional ligand bearing chiral N-heterocyclic carbene (NHC) and prolinol moieties is presented. Utilizing the designed ligand, an in situ formed Cu/Zn hetero-bimetallic complex unlocks the asymmetric allylic alkylation reactions of allyl phosphates with zinc keto-homoenolates, leading to the formation of various γ-vinyl ketones with good regio- and enantio-selectivity. DF sT calculation supports that the chelation of allyl phosphates with catalyst promotes the SN 2' addition and the ligand-substrate steric interactions account for the stereoselective outcome.
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Affiliation(s)
- Barry M Trost
- Department of Chemistry, Stanford University, Stanford, California, 94035-5080, United States
| | - Guoting Zhang
- Department of Chemistry, Stanford University, Stanford, California, 94035-5080, United States
| | - Minghao Xu
- Department College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
| | - Xiaotian Qi
- Department College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
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8
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Jamshaid S, Devkota S, Lee YR. Catalyst- and Substituent-Controlled Regio- and Stereoselective Synthesis of Indolyl Acrylates by Lewis-Acid-Catalyzed Direct Functionalization of 3-Formylindoles with Diazo Esters. Org Lett 2021; 23:2140-2146. [PMID: 33650877 DOI: 10.1021/acs.orglett.1c00277] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
A facile and efficient In(OTf)3- and BF3·OEt2-catalyzed direct transformation of 3-formylindoles with diazo esters has been developed for synthesizing diverse and functionalized indolyl acrylates. This one-pot protocol furnishes various (Z)-α-hydroxy-β-indolyl acrylates, (E)-β-(2-alkoxy-2-oxoethoxy)-α-indolyl acrylates, and (Z)-3-hydroxy-2-indolyl acrylates by a catalyst- and substituent-controlled, regio- and stereoselective cascade reaction. The protocol has several advantages, including low loading of the catalyst, mild reaction conditions, broad scope, and high functional group tolerance. The synthesized compounds can be further converted into diversely functionalized materials.
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Affiliation(s)
- Sana Jamshaid
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Shreedhar Devkota
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Yong Rok Lee
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
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9
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Li D, Zhang M, Yang Y, Peng T, Yang D, Gao W, Wang R. Desymmetrization Process by Mg(II)-Catalyzed Intramolecular Vinylogous Michael Reaction. Org Lett 2020; 22:9229-9233. [DOI: 10.1021/acs.orglett.0c03417] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Dan Li
- School of Pharmaceutical Sciences, Capital Medical University, Beijing 100069, China
| | - Minmin Zhang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, Lanzhou University, Lanzhou 730000, China
| | - Yuling Yang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, Lanzhou University, Lanzhou 730000, China
| | - Tianyu Peng
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, Lanzhou University, Lanzhou 730000, China
| | - Dongxu Yang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, Lanzhou University, Lanzhou 730000, China
| | - Wei Gao
- School of Pharmaceutical Sciences, Capital Medical University, Beijing 100069, China
| | - Rui Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, Lanzhou University, Lanzhou 730000, China
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10
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Li D, Yang Y, Zhang M, Wang L, Xu Y, Yang D, Wang R. Activation of allylic esters in an intramolecular vinylogous kinetic resolution reaction with synergistic magnesium catalysts. Nat Commun 2020; 11:2559. [PMID: 32444612 PMCID: PMC7244749 DOI: 10.1038/s41467-020-16486-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Accepted: 05/05/2020] [Indexed: 11/29/2022] Open
Abstract
Kinetic resolution (KR) of racemic starting materials is a powerful and practical alternative to prepare valuable enantiomerically enriched compounds. A magnesium-catalyzed kinetic resolution based on a designed intramolecular vinylogous Michael reaction is disclosed. Here we show a synergistic catalytic strategy based on the development of chiral ligands. Substrates containing linear allylic ester structures are designed and synthesized to construct key [6.6.5]-tricyclic chiral skeletons via this kinetic resolution process. Detailed mechanistic studies reveal a rational mechanism for the current intramolecular vinylogous KR reaction. The desired direct intramolecular asymmetric vinylogous Michael reaction of linear allylic esters is realized in high efficiency and enantioselectivity with the synergistic catalytic system. Kinetic resolution allows to obtain enantioenriched compounds from racemic mixtures. Here, the authors report a synergistic magnesium catalyst promoting kinetic resolution of an intramolecular vinylogous Michael reaction to access [6.6.5]-tricyclic chiral skeletons.
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Affiliation(s)
- Dan Li
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, Institute of Drug Design & Synthesis, School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Yuling Yang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, Institute of Drug Design & Synthesis, School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Minmin Zhang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, Institute of Drug Design & Synthesis, School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Linqing Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, Institute of Drug Design & Synthesis, School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Yingfan Xu
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, Institute of Drug Design & Synthesis, School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Dongxu Yang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, Institute of Drug Design & Synthesis, School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China.
| | - Rui Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, Institute of Drug Design & Synthesis, School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China.
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11
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Van Craen D, Flynn IG, Carta V, Flood AH. Bimetallic Bis-anion Cascade Complexes of Magnesium in Nonaqueous Solution. Inorg Chem 2020; 59:5939-5948. [DOI: 10.1021/acs.inorgchem.9b03710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- David Van Craen
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405-7102, United States
| | - Ian G. Flynn
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405-7102, United States
| | - Veronica Carta
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405-7102, United States
| | - Amar H. Flood
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405-7102, United States
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12
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Trost BM, Hung C(J, Mata G. Zweikernige Metall‐ProPhenol‐Katalysatoren: Entwicklung und Anwendungen in der Synthese. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201909692] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Barry M. Trost
- Department of ChemistryStanford University 333 Campus Drive Stanford CA 94305 USA
| | - Chao‐I (Joey) Hung
- Department of ChemistryStanford University 333 Campus Drive Stanford CA 94305 USA
| | - Guillaume Mata
- Department of ChemistryStanford University 333 Campus Drive Stanford CA 94305 USA
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13
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González-Granda S, Costin TA, Sá MM, Gotor-Fernández V. Stereoselective Bioreduction of α-diazo-β-keto Esters. MOLECULES (BASEL, SWITZERLAND) 2020; 25:molecules25040931. [PMID: 32093093 PMCID: PMC7070278 DOI: 10.3390/molecules25040931] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 02/13/2020] [Accepted: 02/14/2020] [Indexed: 01/01/2023]
Abstract
Diazo compounds are versatile reagents in chemical synthesis and biology due to the tunable reactivity of the diazo functionality and its compatibility with living systems. Much effort has been made in recent years to explore their accessibility and synthetic potential; however, their preparation through stereoselective enzymatic asymmetric synthesis has been scarcely reported in the literature. Alcohol dehydrogenases (ADHs, also called ketoreductases, KREDs) are powerful redox enzymes able to reduce carbonyl compounds in a highly stereoselective manner. Herein, we have developed the synthesis and subsequent bioreduction of nine α-diazo-β-keto esters to give optically active α-diazo-β-hydroxy esters with potential applications as chiral building blocks in chemical synthesis. Therefore, the syntheses of prochiral α-diazo-β-keto esters bearing different substitution patterns at the adjacent position of the ketone group (N3CH2, ClCH2, BrCH2, CH3OCH2, NCSCH2, CH3, and Ph) and in the alkoxy portion of the ester functionality (Me, Et, and Bn), were carried out through the diazo transfer reaction to the corresponding β-keto esters in good to excellent yields (81–96%). After performing the chemical reduction of α-diazo-β-keto esters with sodium borohydride and developing robust analytical conditions to monitor the biotransformations, their bioreductions were exhaustively studied using in-house made Escherichia coli overexpressed and commercially available KREDs. Remarkably, the corresponding α-diazo-β-hydroxy esters were obtained in moderate to excellent conversions (60 to >99%) and high selectivities (85 to >99% ee) after 24 h at 30 °C. The best biotransformations in terms of conversion and enantiomeric excess were successfully scaled up to give the expected chiral alcohols with almost the same activity and selectivity values observed in the enzyme screening experiments.
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Affiliation(s)
- Sergio González-Granda
- Organic and Inorganic Chemistry Department, University of Oviedo, Avenida Julián Clavería 8, 33006 Oviedo, Spain;
| | - Taíssa A. Costin
- Chemistry Department, Universidade Federal de Santa Catarina, Florianópolis, SC 88040-900, Brazil;
| | - Marcus M. Sá
- Chemistry Department, Universidade Federal de Santa Catarina, Florianópolis, SC 88040-900, Brazil;
- Correspondence: (M.M.S.); (V.G.-F.)
| | - Vicente Gotor-Fernández
- Organic and Inorganic Chemistry Department, University of Oviedo, Avenida Julián Clavería 8, 33006 Oviedo, Spain;
- Correspondence: (M.M.S.); (V.G.-F.)
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14
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Wu W, Wang Y, Guo J, Cai L, Chen Y, Huang Y, Peng Y. Asymmetric acyl-Mannich reaction of isoquinolines with α-(diazomethyl)phosphonate and diazoacetate catalyzed by chiral Brønsted acids. Chem Commun (Camb) 2020; 56:11235-11238. [DOI: 10.1039/d0cc03201h] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
α-Diazo-β-isoquinoline derivatives were obtained in excellent yields and enantioselectivities by asymmetric acyl-Mannich reaction of (diazomethyl)phosphonate or diazoacetate with isoquinolines.
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Affiliation(s)
- Wei Wu
- Key Laboratory of Applied Chemistry of Chongqing Municipality
- School of Chemistry and Chemical Engineering
- Southwest University
- Chongqing 400715
- China
| | - Yan Wang
- Key Laboratory of Applied Chemistry of Chongqing Municipality
- School of Chemistry and Chemical Engineering
- Southwest University
- Chongqing 400715
- China
| | - Jing Guo
- Key Laboratory of Applied Chemistry of Chongqing Municipality
- School of Chemistry and Chemical Engineering
- Southwest University
- Chongqing 400715
- China
| | - Liu Cai
- Key Laboratory of Applied Chemistry of Chongqing Municipality
- School of Chemistry and Chemical Engineering
- Southwest University
- Chongqing 400715
- China
| | - Yuan Chen
- Key Laboratory of Applied Chemistry of Chongqing Municipality
- School of Chemistry and Chemical Engineering
- Southwest University
- Chongqing 400715
- China
| | - Yanmin Huang
- College of Chemistry and Life Science
- Guangxi Teachers Education University
- Nanning 530001
- China
| | - Yungui Peng
- Key Laboratory of Applied Chemistry of Chongqing Municipality
- School of Chemistry and Chemical Engineering
- Southwest University
- Chongqing 400715
- China
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15
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Trost BM, Hung C(J, Mata G. Dinuclear Metal‐ProPhenol Catalysts: Development and Synthetic Applications. Angew Chem Int Ed Engl 2019; 59:4240-4261. [DOI: 10.1002/anie.201909692] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Indexed: 12/16/2022]
Affiliation(s)
- Barry M. Trost
- Department of ChemistryStanford University 333 Campus Drive Stanford CA 94305 USA
| | - Chao‐I (Joey) Hung
- Department of ChemistryStanford University 333 Campus Drive Stanford CA 94305 USA
| | - Guillaume Mata
- Department of ChemistryStanford University 333 Campus Drive Stanford CA 94305 USA
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16
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Li D, Wang L, Yang Y, Zhang M, Peng T, Yang D, Wang R. Construction of Optically Active 2H‐ and 3H‐Pyrroles by Cyclization and Chirality Maintaining1,5‐Ester Shift Reactions. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900481] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Dan Li
- Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical SciencesLanzhou University Lanzhou 730000 People's Republic of China
| | - Linqing Wang
- Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical SciencesLanzhou University Lanzhou 730000 People's Republic of China
| | - Yuling Yang
- Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical SciencesLanzhou University Lanzhou 730000 People's Republic of China
| | - Minmin Zhang
- Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical SciencesLanzhou University Lanzhou 730000 People's Republic of China
| | - Tianyu Peng
- Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical SciencesLanzhou University Lanzhou 730000 People's Republic of China
| | - Dongxu Yang
- Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical SciencesLanzhou University Lanzhou 730000 People's Republic of China
| | - Rui Wang
- Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical SciencesLanzhou University Lanzhou 730000 People's Republic of China
- State Key Laboratory for Oxo Synthesis and Selective Oxidation Lanzhou Institute of Chemical Physics Chinese Academy of Sciences Lanzhou 730000 People's Republic of China
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17
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Li D, Wang L, Zhu H, Bai L, Yang Y, Zhang M, Yang D, Wang R. Catalytic Asymmetric Reactions of α-Isocyanoacetates and meso-Aziridines Mediated by an in-Situ-Generated Magnesium Catalytic Method. Org Lett 2019; 21:4717-4720. [DOI: 10.1021/acs.orglett.9b01599] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Dan Li
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Linqing Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Haiyong Zhu
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Lutao Bai
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Yuling Yang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Minmin Zhang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Dongxu Yang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
| | - Rui Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, School of Basic Medical Sciences, Lanzhou University, Lanzhou 730000, China
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China
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18
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Rong MY, Yang L, Nie J, Zhang FG, Ma JA. Construction of Chiral β-Trifluoromethyl Alcohols Enabled by Catalytic Enantioselective Aldol-Type Reaction of CF3CHN2. Org Lett 2019; 21:4280-4283. [DOI: 10.1021/acs.orglett.9b01468] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Meng-Yu Rong
- Department of Chemistry, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, and Tianjin Collaborative Innovation Center of Chemical Science & Engineering, Tianjin University, Tianjin 300072, P. R. of China
| | - Lijun Yang
- Department of Chemistry, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, and Tianjin Collaborative Innovation Center of Chemical Science & Engineering, Tianjin University, Tianjin 300072, P. R. of China
| | - Jing Nie
- Department of Chemistry, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, and Tianjin Collaborative Innovation Center of Chemical Science & Engineering, Tianjin University, Tianjin 300072, P. R. of China
| | - Fa-Guang Zhang
- Department of Chemistry, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, and Tianjin Collaborative Innovation Center of Chemical Science & Engineering, Tianjin University, Tianjin 300072, P. R. of China
| | - Jun-An Ma
- Department of Chemistry, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, and Tianjin Collaborative Innovation Center of Chemical Science & Engineering, Tianjin University, Tianjin 300072, P. R. of China
- State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, P. R. of China
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19
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Dutta NB, Sharma S, Chetry RL, Baishya G. A Green Protocol for the Synthesis of
α
‐Diazo‐
β
‐hydroxyesters and One‐Pot Conversion to
β
‐Keto‐Esters and Imidazo[1,2‐
a
]pyridine‐3‐carboxylates. ChemistrySelect 2019. [DOI: 10.1002/slct.201900872] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Nibedita Baruah Dutta
- Natural Products Chemistry Group, Chemical Science & Technology DivisionCSIR-North East Institute of Science and Technology Jorhat 785006 India
- Rain Forest Research Institute Jorhat 785001
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad Uttar Pradesh 201002 India
| | - Suraj Sharma
- Natural Products Chemistry Group, Chemical Science & Technology DivisionCSIR-North East Institute of Science and Technology Jorhat 785006 India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad Uttar Pradesh 201002 India
| | - Rudra Lal Chetry
- Natural Products Chemistry Group, Chemical Science & Technology DivisionCSIR-North East Institute of Science and Technology Jorhat 785006 India
| | - Gakul Baishya
- Natural Products Chemistry Group, Chemical Science & Technology DivisionCSIR-North East Institute of Science and Technology Jorhat 785006 India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad Uttar Pradesh 201002 India
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20
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21
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Gupta AK, Yin X, Mukherjee M, Desai AA, Mohammadlou A, Jurewicz K, Wulff WD. Catalytic Asymmetric Epoxidation of Aldehydes with Two VANOL-Derived Chiral Borate Catalysts. Angew Chem Int Ed Engl 2019; 58:3361-3367. [PMID: 30556933 DOI: 10.1002/anie.201809511] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Revised: 12/13/2018] [Indexed: 12/15/2022]
Abstract
A highly diastereo- and enantioselective method for the epoxidation of aldehydes with α-diazoacetamides has been developed with two different borate ester catalysts of VANOL. Both catalytic systems are general for aromatic, aliphatic, and acetylenic aldehydes, giving high yields and inductions for nearly all cases. One borate ester catalyst has two molecules of VANOL and the other only one VANOL. Catalysts generated from BINOL and VAPOL are ineffective catalysts. An application is shown for access to the side-chain of taxol.
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Affiliation(s)
- Anil K Gupta
- Department of Chemistry, Michigan State University, East Lansing, MI, 48824, USA
| | - Xiaopeng Yin
- Department of Chemistry, Michigan State University, East Lansing, MI, 48824, USA
| | - Munmun Mukherjee
- Department of Chemistry, Michigan State University, East Lansing, MI, 48824, USA
| | - Aman A Desai
- Department of Chemistry, Michigan State University, East Lansing, MI, 48824, USA
| | - Aliakbar Mohammadlou
- Department of Chemistry, Michigan State University, East Lansing, MI, 48824, USA
| | - Kelsee Jurewicz
- Department of Chemistry, Michigan State University, East Lansing, MI, 48824, USA
| | - William D Wulff
- Department of Chemistry, Michigan State University, East Lansing, MI, 48824, USA
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22
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Gupta AK, Yin X, Mukherjee M, Desai AA, Mohammadlou A, Jurewicz K, Wulff WD. Catalytic Asymmetric Epoxidation of Aldehydes with Two VANOL-Derived Chiral Borate Catalysts. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201809511] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Anil K. Gupta
- Department of Chemistry; Michigan State University; East Lansing MI 48824 USA
| | - Xiaopeng Yin
- Department of Chemistry; Michigan State University; East Lansing MI 48824 USA
| | - Munmun Mukherjee
- Department of Chemistry; Michigan State University; East Lansing MI 48824 USA
| | - Aman A. Desai
- Department of Chemistry; Michigan State University; East Lansing MI 48824 USA
| | | | - Kelsee Jurewicz
- Department of Chemistry; Michigan State University; East Lansing MI 48824 USA
| | - William D. Wulff
- Department of Chemistry; Michigan State University; East Lansing MI 48824 USA
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23
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Ray SK, Sadhu MM, Biswas RG, Unhale RA, Singh VK. A General Catalytic Route to Enantioenriched Isoindolinones and Phthalides: Application in the Synthesis of (S)-PD 172938. Org Lett 2019; 21:417-422. [DOI: 10.1021/acs.orglett.8b03597] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Sumit K. Ray
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal, MP - 462 066, India
| | - Milon M. Sadhu
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal, MP - 462 066, India
| | - Rayhan G. Biswas
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal, MP - 462 066, India
| | - Rajshekhar A. Unhale
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal, MP - 462 066, India
| | - Vinod K. Singh
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, UP - 208 016, India
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24
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Wang L, Yang D, Li D, Zhu H, Wang P, Liu X, Bai L, Wang R. Diversiform Reactivity of Naphthols in Asymmetric Dearomatization or O-Alkylation Reactions with Aziridines. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201801041] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Linqing Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou, 730000 People's Republic of China
| | - Dongxu Yang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou, 730000 People's Republic of China
| | - Dan Li
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou, 730000 People's Republic of China
| | - Haiyong Zhu
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou, 730000 People's Republic of China
| | - Pengxin Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou, 730000 People's Republic of China
| | - Xihong Liu
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou, 730000 People's Republic of China
| | - Lutao Bai
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou, 730000 People's Republic of China
| | - Rui Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou, 730000 People's Republic of China
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25
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Wang L, Yang D, Li D, Liu X, Wang P, Wang K, Zhu H, Bai L, Wang R. The Important Role of the Byproduct Triphenylphosphine Oxide in the Magnesium(II)-Catalyzed Enantioselective Reaction of Hemiacetals and Phosphorus Ylides. Angew Chem Int Ed Engl 2018; 57:9088-9092. [DOI: 10.1002/anie.201804177] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Indexed: 01/02/2023]
Affiliation(s)
- Linqing Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou 730000 P. R. China
| | - Dongxu Yang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou 730000 P. R. China
| | - Dan Li
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou 730000 P. R. China
| | - Xihong Liu
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou 730000 P. R. China
| | - Pengxin Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou 730000 P. R. China
| | - Kezhou Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou 730000 P. R. China
| | - Haiyong Zhu
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou 730000 P. R. China
| | - Lutao Bai
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou 730000 P. R. China
| | - Rui Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou 730000 P. R. China
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26
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Wang L, Yang D, Li D, Liu X, Wang P, Wang K, Zhu H, Bai L, Wang R. The Important Role of the Byproduct Triphenylphosphine Oxide in the Magnesium(II)-Catalyzed Enantioselective Reaction of Hemiacetals and Phosphorus Ylides. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201804177] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Linqing Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou 730000 P. R. China
| | - Dongxu Yang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou 730000 P. R. China
| | - Dan Li
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou 730000 P. R. China
| | - Xihong Liu
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou 730000 P. R. China
| | - Pengxin Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou 730000 P. R. China
| | - Kezhou Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou 730000 P. R. China
| | - Haiyong Zhu
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou 730000 P. R. China
| | - Lutao Bai
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou 730000 P. R. China
| | - Rui Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou 730000 P. R. China
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27
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BURTOLOSO ANTONIOC, MOMO PATRÍCIAB, NOVAIS GRAZIELEL. Traditional and New methods for the Preparation of Diazocarbonyl Compounds. ACTA ACUST UNITED AC 2018; 90:859-893. [DOI: 10.1590/0001-3765201820170768] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Accepted: 11/16/2017] [Indexed: 12/14/2022]
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28
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Zhang ZF, Yang XC, Lu HJ, Wang MC. Enantioselective Direct Synthesis of syn
- and anti
-α,β-Dihydroxy γ-Keto Esters Using a Dinuclear Zinc-AzePhenol Complex. European J Org Chem 2018. [DOI: 10.1002/ejoc.201701695] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Zhao-Fei Zhang
- College of Chemistry and Molecular Engineering; Zhengzhou University; No. 75, Daxue Street 450052 Zhengzhou City Henan Province P. R. China
| | - Xiao-Chao Yang
- College of Chemistry and Molecular Engineering; Zhengzhou University; No. 75, Daxue Street 450052 Zhengzhou City Henan Province P. R. China
| | - Hui-Jie Lu
- College of Chemistry and Molecular Engineering; Zhengzhou University; No. 75, Daxue Street 450052 Zhengzhou City Henan Province P. R. China
| | - Min-Can Wang
- College of Chemistry and Molecular Engineering; Zhengzhou University; No. 75, Daxue Street 450052 Zhengzhou City Henan Province P. R. China
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29
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Qi W, Xie X, Zhong T, Zhang X. Highly efficient and chemoselective direct aldol reaction of acyldiazomethane with aldehydes promoted by MgI 2 etherate. CHINESE CHEM LETT 2018. [DOI: 10.1016/j.cclet.2017.04.019] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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30
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Unhale RA, Sadhu MM, Ray SK, Biswas RG, Singh VK. A chiral Brønsted acid-catalyzed highly enantioselective Mannich-type reaction of α-diazo esters with in situ generated N-acyl ketimines. Chem Commun (Camb) 2018; 54:3516-3519. [DOI: 10.1039/c8cc01436a] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
A chiral phosphoric acid-catalyzed asymmetric Mannich-type reaction of α-diazo esters with in situ generated N-acyl ketimines, derived from 3-aryl-3-hydroxyisoindolinones has been demonstrated. The reaction proceeds smoothly under mild reaction conditions.
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Affiliation(s)
- Rajshekhar A. Unhale
- Department of Chemistry
- Indian Institute of Science Education and Research Bhopal
- Bhopal
- India
| | - Milon M. Sadhu
- Department of Chemistry
- Indian Institute of Science Education and Research Bhopal
- Bhopal
- India
| | - Sumit K. Ray
- Department of Chemistry
- Indian Institute of Science Education and Research Bhopal
- Bhopal
- India
| | - Rayhan G. Biswas
- Department of Chemistry
- Indian Institute of Science Education and Research Bhopal
- Bhopal
- India
| | - Vinod K. Singh
- Department of Chemistry
- Indian Institute of Science Education and Research Bhopal
- Bhopal
- India
- Department of Chemistry
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31
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Yamashita Y, Yasukawa T, Yoo WJ, Kitanosono T, Kobayashi S. Catalytic enantioselective aldol reactions. Chem Soc Rev 2018; 47:4388-4480. [DOI: 10.1039/c7cs00824d] [Citation(s) in RCA: 165] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Recent developments in catalytic asymmetric aldol reactions have been summarized.
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Affiliation(s)
- Yasuhiro Yamashita
- Department of Chemistry
- School of Science
- The University of Tokyo
- Bunkyo-ku
- Japan
| | - Tomohiro Yasukawa
- Department of Chemistry
- School of Science
- The University of Tokyo
- Bunkyo-ku
- Japan
| | - Woo-Jin Yoo
- Department of Chemistry
- School of Science
- The University of Tokyo
- Bunkyo-ku
- Japan
| | - Taku Kitanosono
- Department of Chemistry
- School of Science
- The University of Tokyo
- Bunkyo-ku
- Japan
| | - Shū Kobayashi
- Department of Chemistry
- School of Science
- The University of Tokyo
- Bunkyo-ku
- Japan
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32
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He R, Liu P, Huo X, Zhang W. Ir/Zn Dual Catalysis: Enantioselective and Diastereodivergent α-Allylation of Unprotected α-Hydroxy Indanones. Org Lett 2017; 19:5513-5516. [DOI: 10.1021/acs.orglett.7b02577] [Citation(s) in RCA: 65] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Rui He
- School of Chemistry and Chemical
Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, P. R. China
| | - Penglin Liu
- School of Chemistry and Chemical
Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, P. R. China
| | - Xiaohong Huo
- School of Chemistry and Chemical
Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, P. R. China
| | - Wanbin Zhang
- School of Chemistry and Chemical
Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, P. R. China
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33
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Balou J, Khalilzadeh MA, Zareyee D. KF/Nano-clinoptilolite Catalyzed Aldol-Type Reaction of Aldehydes with Ethyl Diazoacetate. Catal Letters 2017. [DOI: 10.1007/s10562-017-2158-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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34
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Wang K, Wang L, Liu X, Li D, Zhu H, Wang P, Liu Y, Yang D, Wang R. Development of Biligands Magnesium Catalysis in Asymmetric Conjugate Reactions of C3-Pyrrolyl-Oxindoles. Org Lett 2017; 19:4351-4354. [DOI: 10.1021/acs.orglett.7b02044] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Kezhou Wang
- School of Life Sciences,
Key Laboratory of Preclinical Study for New Drugs of Gansu Province,
School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Linqing Wang
- School of Life Sciences,
Key Laboratory of Preclinical Study for New Drugs of Gansu Province,
School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Xihong Liu
- School of Life Sciences,
Key Laboratory of Preclinical Study for New Drugs of Gansu Province,
School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Dan Li
- School of Life Sciences,
Key Laboratory of Preclinical Study for New Drugs of Gansu Province,
School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Haiyong Zhu
- School of Life Sciences,
Key Laboratory of Preclinical Study for New Drugs of Gansu Province,
School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Pengxin Wang
- School of Life Sciences,
Key Laboratory of Preclinical Study for New Drugs of Gansu Province,
School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Yuyang Liu
- School of Life Sciences,
Key Laboratory of Preclinical Study for New Drugs of Gansu Province,
School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Dongxu Yang
- School of Life Sciences,
Key Laboratory of Preclinical Study for New Drugs of Gansu Province,
School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Rui Wang
- School of Life Sciences,
Key Laboratory of Preclinical Study for New Drugs of Gansu Province,
School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China
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35
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Li D, Wang K, Wang L, Wang Y, Wang P, Liu X, Yang D, Wang R. Magnesium Catalysis Mediated Tetrazoles in Desymmetrization Reaction of Aziridines. Org Lett 2017; 19:3211-3214. [DOI: 10.1021/acs.orglett.7b01333] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Dan Li
- Key Laboratory of Preclinical
Study for New Drugs of Gansu Province, Lanzhou University, Lanzhou 730000, China
| | - Kezhou Wang
- Key Laboratory of Preclinical
Study for New Drugs of Gansu Province, Lanzhou University, Lanzhou 730000, China
| | - Linqing Wang
- Key Laboratory of Preclinical
Study for New Drugs of Gansu Province, Lanzhou University, Lanzhou 730000, China
| | - Yuan Wang
- Key Laboratory of Preclinical
Study for New Drugs of Gansu Province, Lanzhou University, Lanzhou 730000, China
| | - Pengxin Wang
- Key Laboratory of Preclinical
Study for New Drugs of Gansu Province, Lanzhou University, Lanzhou 730000, China
| | - Xin Liu
- Key Laboratory of Preclinical
Study for New Drugs of Gansu Province, Lanzhou University, Lanzhou 730000, China
| | - Dongxu Yang
- Key Laboratory of Preclinical
Study for New Drugs of Gansu Province, Lanzhou University, Lanzhou 730000, China
| | - Rui Wang
- Key Laboratory of Preclinical
Study for New Drugs of Gansu Province, Lanzhou University, Lanzhou 730000, China
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36
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Du F, Zhou J, Peng Y. Asymmetric Reaction of α-Diazomethylphosphonates with α-Ketoesters To Access Optically Active α-Diazo-β-hydroxyphosphonate Derivatives. Org Lett 2017; 19:1310-1313. [DOI: 10.1021/acs.orglett.7b00128] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Fei Du
- Key Laboratory of Applied
Chemistry of Chongqing Municipality, School of Chemistry and Chemical
Engineering, Southwest University, Chongqing 400715, P.R. China
| | - Jiao Zhou
- Key Laboratory of Applied
Chemistry of Chongqing Municipality, School of Chemistry and Chemical
Engineering, Southwest University, Chongqing 400715, P.R. China
| | - Yungui Peng
- Key Laboratory of Applied
Chemistry of Chongqing Municipality, School of Chemistry and Chemical
Engineering, Southwest University, Chongqing 400715, P.R. China
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37
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Abstract
This review updates the major progress in the field of enantioselective transformations promoted by chiral magnesium catalysts, covering the literature since 2007, illustrating the power of these green catalysts to promote many types of reactions.
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38
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Li D, Yang D, Wang L, Liu X, Jiang X, Wang R. MgII
-Catalyzed Desymmetrization Reaction of meso
-Aziridines with Hydroxylamines: Synthesis of Novel Chiral 1,2-Diamine Skeletons. Chemistry 2016; 22:17141-17144. [DOI: 10.1002/chem.201603898] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Indexed: 11/10/2022]
Affiliation(s)
- Dan Li
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; Lanzhou University; Lanzhou 730000 P. R. China
| | - Dongxu Yang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; Lanzhou University; Lanzhou 730000 P. R. China
| | - Linqing Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; Lanzhou University; Lanzhou 730000 P. R. China
| | - Xihong Liu
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; Lanzhou University; Lanzhou 730000 P. R. China
| | - Xianxing Jiang
- School of Pharmaceutical Sciences; Sun Yat-sen University; Guangzhou 510006 P. R. China
| | - Rui Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; Lanzhou University; Lanzhou 730000 P. R. China
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39
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Huo X, He R, Zhang X, Zhang W. An Ir/Zn Dual Catalysis for Enantio- and Diastereodivergent α-Allylation of α-Hydroxyketones. J Am Chem Soc 2016; 138:11093-6. [PMID: 27548761 DOI: 10.1021/jacs.6b06156] [Citation(s) in RCA: 232] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
An Ir/Zn dual catalysis has been developed for the enantio- and diastereodivergent α-allylation of unprotected α-hydroxyketones under mild conditions, in the absence of any additional base. The cooperative action of a chiral iridium complex derived from phosphoramidites and a chiral Zn-ProPhenol complex is most likely responsible for its high reactivity, excellent enantioselectivity (up to >99% ee), and good diastereoselectivity (up to >20:1 dr). All four product stereoisomers could be prepared from the same set of starting materials and under identical conditions by simple selection of appropriate catalyst combinations.
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Affiliation(s)
- Xiaohong Huo
- School of Pharmacy and ‡School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University , Shanghai 200240, P. R. China
| | - Rui He
- School of Pharmacy and ‡School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University , Shanghai 200240, P. R. China
| | - Xiao Zhang
- School of Pharmacy and ‡School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University , Shanghai 200240, P. R. China
| | - Wanbin Zhang
- School of Pharmacy and ‡School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University , Shanghai 200240, P. R. China
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40
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Du F, Yin L, Ning Y, Peng Y. Catalytic Asymmetric Synthesis of Phosphoryl-1,4-dihydropyridazinesviaan Enantioselective Allylic Alkylation/1,3-Dipolar Cycloaddition/Rearrangement Reaction Sequence. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201600353] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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41
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Wang L, Yang D, Li D, Wang P, Wang K, Wang J, Jiang X, Wang R. MgII-Mediated Catalytic Asymmetric Dearomatization (CADA) Reaction of β-Naphthols with Dialkyl Acetylenedicarboxylates. Chemistry 2016; 22:8483-7. [DOI: 10.1002/chem.201601399] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2016] [Indexed: 11/10/2022]
Affiliation(s)
- Linqing Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou 730000 P. R. China
| | - Dongxu Yang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou 730000 P. R. China
| | - Dan Li
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou 730000 P. R. China
| | - Pengxin Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou 730000 P. R. China
| | - Kezhou Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou 730000 P. R. China
| | - Jie Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou 730000 P. R. China
| | - Xianxing Jiang
- School of Pharmaceutical Sciences; Sun Yat-sen University; Guangzhou 510006 P. R. China
| | - Rui Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou 730000 P. R. China
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42
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Affiliation(s)
- Liang Hong
- School
of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006 China
| | - Wangsheng Sun
- Key
Laboratory of Preclinical Study for New Drugs of Gansu Province, Lanzhou University, Lanzhou, 730000 China
| | - Dongxu Yang
- Key
Laboratory of Preclinical Study for New Drugs of Gansu Province, Lanzhou University, Lanzhou, 730000 China
| | - Guofeng Li
- Key
Laboratory of Preclinical Study for New Drugs of Gansu Province, Lanzhou University, Lanzhou, 730000 China
| | - Rui Wang
- School
of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006 China
- Key
Laboratory of Preclinical Study for New Drugs of Gansu Province, Lanzhou University, Lanzhou, 730000 China
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43
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Wang L, Li D, Yang D, Wang K, Wang J, Wang P, Su W, Wang R. Catalytic Asymmetric Ring-Opening Reactions of Aziridines with 3-Aryl-Oxindoles. Chem Asian J 2016; 11:691-5. [DOI: 10.1002/asia.201501369] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2015] [Revised: 01/05/2016] [Indexed: 11/11/2022]
Affiliation(s)
- Linqing Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou 730000 China
| | - Dan Li
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou 730000 China
| | - Dongxu Yang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou 730000 China
| | - Kezhou Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou 730000 China
| | - Jie Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou 730000 China
| | - Pengxin Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou 730000 China
| | - Wu Su
- Guangdong Key Laboratory of Nanomedicine; Institute of Biomedicine and Biotechnology; Shenzhen Institutes of Advanced Technology; Chinese Academy of Sciences, Shenzhen; Guangdong 518055 China
| | - Rui Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province; School of Basic Medical Sciences; Lanzhou University; Lanzhou 730000 China
- State Key Laboratory of Chiroscience; Department of Applied Biology and Chemical Technology; The Hong Kong Polytechnic University, Kowloon; Hong Kong P. R. China
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44
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Li D, Wang Y, Wang L, Wang J, Wang P, Wang K, Lin L, Liu D, Jiang X, Yang D. Simple magnesium catalyst mediated γ-butyrolactams in desymmetrization of meso-aziridines. Chem Commun (Camb) 2016; 52:9640-3. [DOI: 10.1039/c6cc02877b] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
The first α-sp2-carbon of carbonyl compounds attacked catalytic desymmetrization reaction of aziridines is disclosed by employing a simple in situ generated magnesium catalyst.
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Affiliation(s)
- Dan Li
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province
- Lanzhou University
- Lanzhou
- China
| | - Yijie Wang
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- China
| | - Linqing Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province
- Lanzhou University
- Lanzhou
- China
| | - Jie Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province
- Lanzhou University
- Lanzhou
- China
| | - Pengxin Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province
- Lanzhou University
- Lanzhou
- China
| | - Kezhou Wang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province
- Lanzhou University
- Lanzhou
- China
| | - Li Lin
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province
- Lanzhou University
- Lanzhou
- China
| | - Dongsheng Liu
- Department of Chemistry
- Tsinghua University
- Beijing 100084
- China
| | - Xianxing Jiang
- School of Pharmaceutical Sciences
- Sun Yat-sen University
- Guangzhou 510006
- China
| | - Dongxu Yang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province
- Lanzhou University
- Lanzhou
- China
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45
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Zhang B, Han F, Wang L, Li D, Yang D, Yang X, Yang J, Li X, Zhao D, Wang R. Catalytic Asymmetric Michael Reaction of 5H-Oxazol-4-Ones with α,β-Unsaturated Acyl Imidazoles. Chemistry 2015; 21:17234-8. [DOI: 10.1002/chem.201503105] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2015] [Revised: 10/02/2015] [Indexed: 12/24/2022]
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46
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Wang L, Yang D, Li D, Liu X, Zhao Q, Zhu R, Zhang B, Wang R. Catalytic Asymmetric [3 + 2] Cyclization Reactions of 3-Isothiocyanato Oxindoles and Alkynyl Ketones Via an in Situ Generated Magnesium Catalyst. Org Lett 2015; 17:4260-3. [DOI: 10.1021/acs.orglett.5b02052] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Linqing Wang
- School of Life Sciences,
Key Laboratory of Preclinical Study for New Drugs of Gansu Province,
School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Dongxu Yang
- School of Life Sciences,
Key Laboratory of Preclinical Study for New Drugs of Gansu Province,
School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Dan Li
- School of Life Sciences,
Key Laboratory of Preclinical Study for New Drugs of Gansu Province,
School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Xihong Liu
- School of Life Sciences,
Key Laboratory of Preclinical Study for New Drugs of Gansu Province,
School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Qian Zhao
- School of Life Sciences,
Key Laboratory of Preclinical Study for New Drugs of Gansu Province,
School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Ranran Zhu
- School of Life Sciences,
Key Laboratory of Preclinical Study for New Drugs of Gansu Province,
School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Bangzhi Zhang
- School of Life Sciences,
Key Laboratory of Preclinical Study for New Drugs of Gansu Province,
School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Rui Wang
- School of Life Sciences,
Key Laboratory of Preclinical Study for New Drugs of Gansu Province,
School of Basic Medical Sciences, Lanzhou University, Lanzhou, 730000, China
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47
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Ford A, Miel H, Ring A, Slattery CN, Maguire AR, McKervey MA. Modern Organic Synthesis with α-Diazocarbonyl Compounds. Chem Rev 2015; 115:9981-10080. [PMID: 26284754 DOI: 10.1021/acs.chemrev.5b00121] [Citation(s) in RCA: 1093] [Impact Index Per Article: 121.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
| | - Hugues Miel
- Almac Discovery Ltd. , David Keir Building, Stranmillis Road, Belfast BT9 5AG, United Kingdom
| | | | | | | | - M Anthony McKervey
- Almac Sciences Ltd. , Almac House, 20 Seagoe Industrial Estate, Craigavon BT63 5QD, United Kingdom
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48
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Trost BM, Hung CI(J, Koester DC, Miller Y. Development of Non-C2-symmetric ProPhenol Ligands. The Asymmetric Vinylation of N-Boc Imines. Org Lett 2015. [DOI: 10.1021/acs.orglett.5b01755] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Barry M. Trost
- Department of Chemistry, Stanford University, Stanford, California 94305-5080, United States
| | - Chao-I (Joey) Hung
- Department of Chemistry, Stanford University, Stanford, California 94305-5080, United States
| | - Dennis C. Koester
- Department of Chemistry, Stanford University, Stanford, California 94305-5080, United States
| | - Yan Miller
- Department of Chemistry, Stanford University, Stanford, California 94305-5080, United States
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49
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Yang D, Wang L, Kai M, Li D, Yao X, Wang R. Application of a CC Bond-Forming Conjugate Addition Reaction in Asymmetric Dearomatization of β-Naphthols. Angew Chem Int Ed Engl 2015; 54:9523-7. [DOI: 10.1002/anie.201503056] [Citation(s) in RCA: 91] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2015] [Revised: 06/03/2015] [Indexed: 12/19/2022]
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50
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Yang D, Wang L, Kai M, Li D, Yao X, Wang R. Application of a CC Bond-Forming Conjugate Addition Reaction in Asymmetric Dearomatization of β-Naphthols. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201503056] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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