51
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Ponra S, Majumdar KC. Brønsted acid-promoted synthesis of common heterocycles and related bio-active and functional molecules. RSC Adv 2016. [DOI: 10.1039/c5ra27069c] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
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52
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Song XR, Qiu YF, Liu XY, Liang YM. Recent advances in the tandem reaction of azides with alkynes or alkynols. Org Biomol Chem 2016; 14:11317-11331. [DOI: 10.1039/c6ob01965j] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Over the past few decades, the development of versatile methodologies to employ azides as aminating agents for the formation of nitrogen-containing compounds has attracted significant attention in synthetic chemistry.
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Affiliation(s)
- Xian-Rong Song
- Institute of Organic Chemistry
- Jiangxi Science & Technology Normal University
- Key Laboratory of Organic Chemistry
- Nanchang 330013
- China
| | - Yi-Feng Qiu
- State Key Laboratory of Applied Organic Chemistry
- Lanzhou University
- Lanzhou 730000
- China
| | - Xue-Yuan Liu
- State Key Laboratory of Applied Organic Chemistry
- Lanzhou University
- Lanzhou 730000
- China
| | - Yong-Min Liang
- State Key Laboratory of Applied Organic Chemistry
- Lanzhou University
- Lanzhou 730000
- China
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53
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Gold-Catalyzed Synthesis of Nitrogen Heterocyclic Compounds via Hydroamination Reactions. ACTA ACUST UNITED AC 2015. [DOI: 10.1007/7081_2015_5001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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54
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Goodwin JA, Ballesteros CF, Aponick A. Diastereoselective Synthesis of Protected 1,3-Diols by Catalytic Diol Relocation. Org Lett 2015; 17:5574-7. [DOI: 10.1021/acs.orglett.5b02725] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Justin A. Goodwin
- Department of Chemistry,
Center for Heterocyclic Compounds, University of Florida, Gainesville, Florida 32611, United States
| | - Carl F. Ballesteros
- Department of Chemistry,
Center for Heterocyclic Compounds, University of Florida, Gainesville, Florida 32611, United States
| | - Aaron Aponick
- Department of Chemistry,
Center for Heterocyclic Compounds, University of Florida, Gainesville, Florida 32611, United States
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55
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Uruvakili A, Gangadhararao G, Kumara Swamy KC. Gold(I) catalysed sequential dehydrative cyclisation/intermolecular [4 + 2] cycloaddition of alkynyldienols onto activated alkynes/alkenes: a facile route to substituted norbornadienes/norbornenes. Org Biomol Chem 2015; 13:10060-71. [PMID: 26335651 DOI: 10.1039/c5ob01458a] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
One-pot synthesis of highly substituted norbornadienes/norbornenes via gold-catalysed dehydrative cyclisation of alkynyldienols, followed by intermolecular [4 + 2] cycloaddition of in situ generated cyclopentadiene and activated alkynes/alkenes is described. The precursors, alkynyldienols, are obtained via sequential Sonogashira cross-coupling of 3-bromoenals, alkyne addition and reduction. Yields of the enynals and multisubstituted norbornadienes in all the cases are good to excellent.
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Affiliation(s)
- Anasuyamma Uruvakili
- School of Chemistry, University of Hyderabad, Hyderabad-500046, Telangana, India.
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56
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Gold catalysis: Experimental mechanistic insights into the anellation of phenols with 1,3-dienes. J Organomet Chem 2015. [DOI: 10.1016/j.jorganchem.2015.05.034] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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57
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Barker G, Johnson DG, Young PC, Macgregor SA, Lee AL. Chirality Transfer in Gold(I)-Catalysed Direct Allylic Etherifications of Unactivated Alcohols: Experimental and Computational Study. Chemistry 2015; 21:13748-57. [PMID: 26248980 PMCID: PMC4586480 DOI: 10.1002/chem.201501607] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2015] [Indexed: 11/05/2022]
Abstract
Gold(I)-catalysed direct allylic etherifications have been successfully carried out with chirality transfer to yield enantioenriched, γ-substituted secondary allylic ethers. Our investigations include a full substrate-scope screen to ascertain substituent effects on the regioselectivity, stereoselectivity and efficiency of chirality transfer, as well as control experiments to elucidate the mechanistic subtleties of the chirality-transfer process. Crucially, addition of molecular sieves was found to be necessary to ensure efficient and general chirality transfer. Computational studies suggest that the efficiency of chirality transfer is linked to the aggregation of the alcohol nucleophile around the reactive π-bound Au-allylic ether complex. With a single alcohol nucleophile, a high degree of chirality transfer is predicted. However, if three alcohols are present, alternative proton transfer chain mechanisms that erode the efficiency of chirality transfer become competitive.
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Affiliation(s)
- Graeme Barker
- Institute of Chemical Sciences, Heriot-Watt University, Edinburgh EH14 4AS (UK)
| | - David G Johnson
- Institute of Chemical Sciences, Heriot-Watt University, Edinburgh EH14 4AS (UK)
| | - Paul C Young
- Institute of Chemical Sciences, Heriot-Watt University, Edinburgh EH14 4AS (UK)
| | - Stuart A Macgregor
- Institute of Chemical Sciences, Heriot-Watt University, Edinburgh EH14 4AS (UK).
| | - Ai-Lan Lee
- Institute of Chemical Sciences, Heriot-Watt University, Edinburgh EH14 4AS (UK).
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58
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Mi Y, Zhou T, Wang KP, Lee D, Xia Y. Mechanistic Understanding of the Divergent Cyclizations ofo-Alkynylbenzaldehyde Acetals and Thioacetals Catalyzed by Metal Halides. Chemistry 2015; 21:17256-68. [DOI: 10.1002/chem.201502469] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2015] [Indexed: 11/06/2022]
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59
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Zhdanko A, Maier ME. Explanation of “Silver Effects” in Gold(I)-Catalyzed Hydroalkoxylation of Alkynes. ACS Catal 2015. [DOI: 10.1021/acscatal.5b01493] [Citation(s) in RCA: 63] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Alexander Zhdanko
- Institut für Organische
Chemie, Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
| | - Martin E. Maier
- Institut für Organische
Chemie, Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
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60
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Han YP, Song XR, Qiu YF, Hao XH, Wang J, Wu XX, Liu XY, Liang YM. Lewis Acid Mediated Tandem Reaction of Propargylic Alcohols with Hydroxylamine Hydrochloride To Give α,β-Unsaturated Amides and Alkenyl Nitriles. J Org Chem 2015; 80:9200-7. [DOI: 10.1021/acs.joc.5b01633] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Ya-Ping Han
- State Key Laboratory of Applied
Organic Chemistry, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Xian-Rong Song
- State Key Laboratory of Applied
Organic Chemistry, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Yi-Feng Qiu
- State Key Laboratory of Applied
Organic Chemistry, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Xin-Hua Hao
- State Key Laboratory of Applied
Organic Chemistry, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Jia Wang
- State Key Laboratory of Applied
Organic Chemistry, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Xin-Xing Wu
- State Key Laboratory of Applied
Organic Chemistry, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Xue-Yuan Liu
- State Key Laboratory of Applied
Organic Chemistry, Lanzhou University, Lanzhou 730000, People’s Republic of China
| | - Yong-Min Liang
- State Key Laboratory of Applied
Organic Chemistry, Lanzhou University, Lanzhou 730000, People’s Republic of China
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61
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Iron oxide-silver magnetic nanoparticles as simple heterogeneous catalysts for the direct inter/intramolecular nucleophilic substitution of π-activated alcohols with electron-deficient amines. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.06.028] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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62
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Alcaide B, Almendros P, Luna A, Soriano E. An Alternative to Precious Metals: Hg(ClO4)2·3H2O as a Cheap and Water-Tolerant Catalyst for the Cycloisomerization of Allenols. J Org Chem 2015; 80:7050-7. [PMID: 26079496 DOI: 10.1021/acs.joc.5b00887] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Benito Alcaide
- Grupo
de Lactamas y Heterociclos Bioactivos, Departamento de Química
Orgánica I, Unidad Asociada al CSIC, Facultad de Química, Universidad Complutense de Madrid, 28040 Madrid, Spain
| | - Pedro Almendros
- Instituto de Química Orgánica General, CSIC, Juan de la Cierva 3, 28006 Madrid, Spain
| | - Amparo Luna
- Grupo
de Lactamas y Heterociclos Bioactivos, Departamento de Química
Orgánica I, Unidad Asociada al CSIC, Facultad de Química, Universidad Complutense de Madrid, 28040 Madrid, Spain
| | - Elena Soriano
- Instituto de Química Orgánica General, CSIC, Juan de la Cierva 3, 28006 Madrid, Spain
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63
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Chan PWH, Teo WT, Koh SWY, Lee BR, Ayers BJ, Ma DL, Leung CH. Silver Triflate Catalyzed Cyclopropyl Carbinol Rearrangement for Benzo[b]oxepine and 2H-Chromene Synthesis. European J Org Chem 2015. [DOI: 10.1002/ejoc.201500374] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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64
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Christmann M, Hu J, Kitamura M, Stoltz B. Tetrahedron reports on organic chemistry. Tetrahedron 2015. [DOI: 10.1016/s0040-4020(15)00744-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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65
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Morita N, Yasuda A, Shibata M, Ban S, Hashimoto Y, Okamoto I, Tamura O. Gold(I)/(III)-Catalyzed Synthesis of Cyclic Ethers; Valency-Controlled Cyclization Modes. Org Lett 2015; 17:2668-71. [PMID: 25996633 DOI: 10.1021/acs.orglett.5b01046] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Strategic use of oxophilic (hard) gold(III) and π-philic (soft) gold(I) catalysts provides access to two types of cyclic ethers from propargylic alcohols. Thus, heating propargylic alcohols with an oxophilic gold(III) catalyst (AuBr3) results in cyclization to afford cyclic ethers bearing an acetylenic moiety, due to coordination of gold(III) to the oxygen of the propargylic hydroxyl group. On the other hand, propargylic alcohols with a π-philic gold(I) catalyst (Ph3PAuNTf2) induces Meyer-Schuster rearrangement to afford α,β-unsaturated ketones, which undergo gold(III)-catalyzed intramolecular oxa-Michael addition to afford cyclic ethers bearing a carbonyl group, due to coordination of gold(III) to the oxygen of the carbonyl group.
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Affiliation(s)
- Nobuyoshi Morita
- Showa Pharmaceutical University, Machida, Tokyo, 194-8543, Japan
| | - Arisa Yasuda
- Showa Pharmaceutical University, Machida, Tokyo, 194-8543, Japan
| | - Motohiro Shibata
- Showa Pharmaceutical University, Machida, Tokyo, 194-8543, Japan
| | - Shintaro Ban
- Showa Pharmaceutical University, Machida, Tokyo, 194-8543, Japan
| | | | - Iwao Okamoto
- Showa Pharmaceutical University, Machida, Tokyo, 194-8543, Japan
| | - Osamu Tamura
- Showa Pharmaceutical University, Machida, Tokyo, 194-8543, Japan
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66
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Liu Y, Wang X, Wang Y, Du C, Shi H, Jin S, Jiang C, Xiao J, Cheng M. Gold(I)-Catalyzed Synthesis of Unsymmetrical Ethers Using Alcohols as Alkylating Reagents. Adv Synth Catal 2015. [DOI: 10.1002/adsc.201401097] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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67
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Sota Y, Yamamoto M, Murai M, Uenishi J, Uemura M. Gold(I)-catalyzed asymmetric desymmetrization of meso-alkynyl diols and kinetic resolution of the corresponding DL-diols: effects of celite filtration and silver salts. Chemistry 2015; 21:4398-404. [PMID: 25643908 DOI: 10.1002/chem.201405889] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2014] [Indexed: 11/09/2022]
Abstract
The asymmetric desymmetrization of meso-2-alkynylbenzenediols through the use of a combination of axially chiral diphosphine(AuCl)2 precatalysts and silver salt co-catalysts gave optically active isochromene compounds with high enantioselectivities in good yields. The corresponding DL-diol isomers underwent efficient kinetic resolution to give the cyclized isochromenes and recovered diols with high enantioselectivities under similar conditions. The high reactivity and selectivity in the desymmetrization of the meso-diols is independent of the combination of axially chiral diphosphine(AuCl)2 precatalyst and silver salt co-catalyst, whereas the corresponding tricarbonylchromium complexes of alkynylbenzenediols were affected by the combination of the diphosphine(AuCl)2 and silver salt. The reactivity was largely dependent on the nature of the gold(I) species.
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Affiliation(s)
- Yumi Sota
- Kyoto Pharmaceutical University, Yamashina, Kyoto 607-8412 (Japan)
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68
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Webster S, Young PC, Barker G, Rosair GM, Lee AL. Dehydrative thiolation of allenols: indium vs gold catalysis. J Org Chem 2015; 80:1703-18. [PMID: 25522131 DOI: 10.1021/jo502648w] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Intermolecular additions of thiols to allenols via formal S(N)2' selectivity to produce functionalized dienes are described. Although this dehydrative reaction was initially developed using gold(I) catalysis, indium(III) proves to be a far superior catalyst in terms of selectivity and substrate scope.
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Affiliation(s)
- S Webster
- Institute of Chemical Sciences, Heriot-Watt University , Edinburgh EH14 4AS, United Kingdom
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69
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Goodwin JA, Aponick A. Regioselectivity in the Au-catalyzed hydration and hydroalkoxylation of alkynes. Chem Commun (Camb) 2015; 51:8730-41. [DOI: 10.1039/c5cc00120j] [Citation(s) in RCA: 130] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The issue of regioselectivity in the Au-catalyzed hydration and hydroalkoxylation of alkynes is a perpetual challenge that essentially remains an unsolved problem with respect to general solutions.
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Affiliation(s)
- Justin A. Goodwin
- Department of Chemistry
- Center for Heterocyclic Compounds
- University of Florida
- Gainesville
- USA
| | - Aaron Aponick
- Department of Chemistry
- Center for Heterocyclic Compounds
- University of Florida
- Gainesville
- USA
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70
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Grammatikopoulou M, Thysiadis S, Sarli V. Gold-catalyzed spiro-N,O-ketal synthesis. Org Biomol Chem 2015; 13:1169-78. [DOI: 10.1039/c4ob02050b] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient method for the synthesis of spiro-N,O-ketals with 5- and 6-membered rings was developed via a gold-catalyzed spiroamidoketalization of alkynyl amidoalcohols under mild conditions.
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Affiliation(s)
- M. Grammatikopoulou
- Faculty of Chemistry
- Aristotle University of Thessaloniki
- University Campus
- 54124 Thessaloniki
- Greece
| | - S. Thysiadis
- Faculty of Chemistry
- Aristotle University of Thessaloniki
- University Campus
- 54124 Thessaloniki
- Greece
| | - V. Sarli
- Faculty of Chemistry
- Aristotle University of Thessaloniki
- University Campus
- 54124 Thessaloniki
- Greece
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71
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Ytterbium(III) triflate catalyzed annulation of propargylic 1,4-diols with aryl sulfonamides to give highly substituted pyrrole derivatives. Tetrahedron Lett 2014. [DOI: 10.1016/j.tetlet.2014.10.042] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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72
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Grau A, Baeza A, Serrano E, García-Martínez J, Nájera C. Mesoporous Metal Complex-Silica Aerogels for Environmentally Friendly Amination of Allylic Alcohols. ChemCatChem 2014. [DOI: 10.1002/cctc.201402599] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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73
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Iqbal A, Sahraoui EH, Leeper FJ. Gold(I)-catalysed synthesis of a furan analogue of thiamine pyrophosphate. Beilstein J Org Chem 2014; 10:2580-5. [PMID: 25383130 PMCID: PMC4222410 DOI: 10.3762/bjoc.10.270] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2014] [Accepted: 10/16/2014] [Indexed: 11/25/2022] Open
Abstract
An analogue of thiamine having a furan ring in place of the thiazolium ring has been synthesised by a short and efficient route, involving gold(I)-catalysed cyclisation of an alkynyl alcohol to form the furan ring. The furan analogue of thiamine diphosphate (ThDP) was also made and tested for binding to and inhibition of pyruvate decarboxylase (PDC) from Zymomonas mobilis (overexpressed in E. coli with a N-terminal His-tag). It is a very strong inhibitor, with a K i value of 32.5 pM. It was also shown that the furan analogue of thiamine can be functionalised at the C-2 position, which will allow access to mimics of reaction intermediates of various ThDP-dependent enzymes.
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Affiliation(s)
- Amjid Iqbal
- University of Cambridge, Department of Chemistry, Lensfield Road, Cambridge, CB2 1EW, U.K
| | - El-Habib Sahraoui
- University of Cambridge, Department of Chemistry, Lensfield Road, Cambridge, CB2 1EW, U.K
| | - Finian J Leeper
- University of Cambridge, Department of Chemistry, Lensfield Road, Cambridge, CB2 1EW, U.K
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74
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An JH, Yun H, Shin S, Shin S. Gold-Catalyzed Regioselective Meyer-Schuster Rearrangement and Ring Expansion Cascade Leading to α-Hydroxy-α-vinylcyclopentanones. Adv Synth Catal 2014. [DOI: 10.1002/adsc.201400569] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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75
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Palisse A, Kirsch SF. Synthesis of Furans through Silver-Catalyzed Propargyl-Claisen Rearrangement Followed by Cyclocondensation. European J Org Chem 2014. [DOI: 10.1002/ejoc.201402983] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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76
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Song DH, Ryu JS. Synthesis of 3,4,5-Trisubstituted Isoxazoles through Gold-Catalyzed Cascade Cyclization-Oxidative Alkynylation and Cyclization-Fluorination of 2-Alkynone O-Methyloximes. B KOREAN CHEM SOC 2014. [DOI: 10.5012/bkcs.2014.35.9.2635] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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77
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Herkert L, Green SLJ, Barker G, Johnson DG, Young PC, Macgregor SA, Lee AL. Gold(I)-catalysed direct thioetherifications using allylic alcohols: an experimental and computational study. Chemistry 2014; 20:11540-8. [PMID: 25080400 PMCID: PMC4517163 DOI: 10.1002/chem.201403293] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2014] [Indexed: 01/11/2023]
Abstract
A gold(I)-catalysed direct thioetherification reaction between allylic alcohols and thiols is presented. The reaction is generally highly regioselective (S(N)2'). This dehydrative allylation procedure is very mild and atom economical, producing only water as the by-product and avoiding any unnecessary waste/steps associated with installing a leaving or activating group on the substrate. Computational studies are presented to gain insight into the mechanism of the reaction. Calculations indicate that the regioselectivity is under equilibrium control and is ultimately dictated by the thermodynamic stability of the products.
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Affiliation(s)
- Lorena Herkert
- Institute of Chemical Sciences, Heriot-Watt UniversityEdinburgh, EH14 4AS (UK) E-mail:
| | - Samantha L J Green
- Institute of Chemical Sciences, Heriot-Watt UniversityEdinburgh, EH14 4AS (UK) E-mail:
| | - Graeme Barker
- Institute of Chemical Sciences, Heriot-Watt UniversityEdinburgh, EH14 4AS (UK) E-mail:
| | - David G Johnson
- Institute of Chemical Sciences, Heriot-Watt UniversityEdinburgh, EH14 4AS (UK) E-mail:
| | - Paul C Young
- Institute of Chemical Sciences, Heriot-Watt UniversityEdinburgh, EH14 4AS (UK) E-mail:
| | - Stuart A Macgregor
- Institute of Chemical Sciences, Heriot-Watt UniversityEdinburgh, EH14 4AS (UK) E-mail:
| | - Ai-Lan Lee
- Institute of Chemical Sciences, Heriot-Watt UniversityEdinburgh, EH14 4AS (UK) E-mail:
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78
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Mothe SR, Novianti ML, Ayers BJ, Chan PWH. Silver-Catalyzed Tandem Hydroamination/Hydroarylation of 1-(2-Allylamino)phenyl-4-hydroxy-but-2-yn-1-ones to 1′-Allylspiro[indene-1,2′-indolin]-3′-ones. Org Lett 2014; 16:4110-3. [DOI: 10.1021/ol501809p] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Srinivasa Reddy Mothe
- Division of Chemistry and
Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Maria Laurentia Novianti
- Division of Chemistry and
Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Benjamin James Ayers
- Division of Chemistry and
Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Philip Wai Hong Chan
- Division of Chemistry and
Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
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79
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Zhdanko A, Maier ME. Explanation of Counterion Effects in Gold(I)-Catalyzed Hydroalkoxylation of Alkynes. ACS Catal 2014. [DOI: 10.1021/cs500446d] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Alexander Zhdanko
- Institut für Organische
Chemie, Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
| | - Martin E. Maier
- Institut für Organische
Chemie, Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
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80
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Zhang X, Teo WT, Rao W, Ma DL, Leung CH, Chan PWH. Synthesis of highly substituted indene derivatives by Brønsted acid catalyzed Friedel–Crafts reaction of homoallylic alcohols. Tetrahedron Lett 2014. [DOI: 10.1016/j.tetlet.2014.05.027] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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81
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Sun N, Xie X, Liu Y. Gold-Catalyzed Cascade Reactions of Furan-ynes with External Nucleophiles Consisting of a 1,2-Rearrangement: Straightforward Synthesis of Multi-Substituted Benzo[b]furans. Chemistry 2014; 20:7514-9. [DOI: 10.1002/chem.201400112] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2014] [Revised: 03/18/2014] [Indexed: 11/05/2022]
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82
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Hack D, Loh CCJ, Hartmann JM, Raabe G, Enders D. Merging gold and organocatalysis: a facile asymmetric synthesis of annulated pyrroles. Chemistry 2014; 20:3917-21. [PMID: 24590817 PMCID: PMC4238261 DOI: 10.1002/chem.201400407] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2014] [Indexed: 11/16/2022]
Abstract
The combination of cinchona-alkaloid-derived primary amine and Au(I) -phosphine catalysts allowed the selective C-H functionalization of two adjacent carbon atoms of pyrroles under mild reaction conditions. This sequential dual activation provides seven-membered-ring-annulated pyrrole derivatives in excellent yields and enantioselectivities.
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Affiliation(s)
- Daniel Hack
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen (Germany), Fax: (+49) 241-809-2127
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83
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Gualandi A, Mengozzi L, Wilson CM, Cozzi PG. Synergy, Compatibility, and Innovation: Merging Lewis Acids with Stereoselective Enamine Catalysis. Chem Asian J 2014; 9:984-95. [DOI: 10.1002/asia.201301549] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2013] [Indexed: 01/03/2023]
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84
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Alcaide B, Almendros P, Quirós MT. Gold/Acid-Co-catalyzed Direct Microwave-Assisted Synthesis of Fused Azaheterocycles from Propargylic Hydroperoxides. Chemistry 2014; 20:3384-93. [DOI: 10.1002/chem.201304509] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2013] [Indexed: 12/13/2022]
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85
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Yuan W, Tang X, Wei Y, Shi M. Gold-Catalyzed Cycloisomerization of Yne-Vinylidenecyclopropanes: A Three-Carbon Synthon for [3+2] Cycloadditions. Chemistry 2014; 20:3198-204. [DOI: 10.1002/chem.201304579] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2013] [Indexed: 11/11/2022]
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86
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Teo WT, Rao W, Ng CJH, Koh SWY, Chan PWH. Gold-Catalyzed Benzannulation of 5-Hydroxy-3-oxoalk-6-ynoate Esters to o-Phenolic Esters. Org Lett 2014; 16:1248-51. [DOI: 10.1021/ol5002363] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Wan Teng Teo
- Division of Chemistry and
Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Weidong Rao
- Division of Chemistry and
Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Charmaine Jia Huan Ng
- Division of Chemistry and
Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Shaun Wei Yong Koh
- Division of Chemistry and
Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
| | - Philip Wai Hong Chan
- Division of Chemistry and
Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore
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87
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Susanti D, Ng LLR, Chan PWH. Silica Gel-Mediated Hydroamination/Semipinacol Rearrangement of 2-Alkylaminophenylprop-1-yn-3-ols: Synthesis of 2-Oxindoles from Alkynes and 1-(2-Aminophenyl) Ketones. Adv Synth Catal 2014. [DOI: 10.1002/adsc.201300911] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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88
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Zhdanko A, Maier ME. The Mechanism of Gold(I)-Catalyzed Hydroalkoxylation of Alkynes: An Extensive Experimental Study. Chemistry 2014; 20:1918-30. [DOI: 10.1002/chem.201303795] [Citation(s) in RCA: 91] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2013] [Revised: 11/25/2013] [Indexed: 11/07/2022]
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89
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Paioti PHS, Aponick A. Gold-Catalyzed Transformation of Unsaturated Alcohols. Top Curr Chem (Cham) 2014; 357:63-94. [DOI: 10.1007/128_2014_590] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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90
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Manna SK, Panda G. Synthesis of enantiomerically enriched indolines and tetrahydroisoquinolines from (S)-amino acid-derived chiral carbocations: an easy access to (3S,4R)-demethoxy-3-isopropyl diclofensine. Org Biomol Chem 2014; 12:8318-24. [DOI: 10.1039/c4ob00922c] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Enantiomerically enriched indolines and tetrahydroisoquinolines were synthesized in high yields from easily accessible (S)-amino acid-derived chiral carbocations.
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Affiliation(s)
- Sudipta Kumar Manna
- Medicinal and Process Chemistry Division
- CSIR-Central Drug Research Institute
- Lucknow 226031, India
| | - Gautam Panda
- Medicinal and Process Chemistry Division
- CSIR-Central Drug Research Institute
- Lucknow 226031, India
- Academy of Scientific and Innovative Research
- New Delhi 110001, India
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91
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Jeyabharathi C, Karthik PE, Phani KLN. Stable gold nanoparticles synthesis using but-2-yne-1,4-diol – a simple approach. RSC Adv 2014. [DOI: 10.1039/c3ra44384a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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92
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Yang YF, Li LH, He YT, Luo JY, Liang YM. Gold(I)-catalyzed rearrangement of alkynylaziridine indoles for the synthesis of spiro-tetrahydro-β-carbolines. Tetrahedron 2014. [DOI: 10.1016/j.tet.2013.11.084] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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93
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Nakamura I, Terada M. Heterocyclic Synthesis by π-Acidic Metal Catalyzed Reactions via N-O Bond Cleavage. HETEROCYCLES 2014. [DOI: 10.3987/rev-13-791] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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94
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95
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Biswas S, Dahlstrand C, Watile RA, Kalek M, Himo F, Samec JSM. Atom-efficient gold(I)-chloride-catalyzed synthesis of α-sulfenylated carbonyl compounds from propargylic alcohols and aryl thiols: substrate scope and experimental and theoretical mechanistic investigation. Chemistry 2013; 19:17939-50. [PMID: 24272980 PMCID: PMC4524420 DOI: 10.1002/chem.201302485] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2013] [Revised: 09/13/2013] [Indexed: 01/17/2023]
Abstract
Gold(I)-chloride-catalyzed synthesis of α-sulfenylated carbonyl compounds from propargylic alcohols and aryl thiols showed a wide substrate scope with respect to both propargylic alcohols and aryl thiols. Primary and secondary aromatic propargylic alcohols generated α-sulfenylated aldehydes and ketones in 60-97% yield. Secondary aliphatic propargylic alcohols generated α-sulfenylated ketones in yields of 47-71%. Different gold sources and ligand effects were studied, and it was shown that gold(I) chloride gave the highest product yields. Experimental and theoretical studies demonstrated that the reaction proceeds in two separate steps. A sulfenylated allylic alcohol, generated by initial regioselective attack of the aryl thiol on the triple bond of the propargylic alcohol, was isolated, evaluated, and found to be an intermediate in the reaction. Deuterium labeling experiments showed that the protons from the propargylic alcohol and aryl thiol were transferred to the 3-position, and that the hydride from the alcohol was transferred to the 2-position of the product. Density functional theory (DFT) calculations showed that the observed regioselectivity of the aryl thiol attack towards the 2-position of propargylic alcohol was determined by a low-energy, five-membered cyclic protodeauration transition state instead of the strained, four-membered cyclic transition state found for attack at the 3-position. Experimental data and DFT calculations supported that the second step of the reaction is initiated by protonation of the double bond of the sulfenylated allylic alcohol with a proton donor coordinated to gold(I) chloride. This in turn allows for a 1,2-hydride shift, generating the final product of the reaction.
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Affiliation(s)
- Srijit Biswas
- Department of Chemistry, BMC, Uppsala UniversityBox 576, 75123, Uppsala (Sweden), Fax: (+46) 018-471-3818 E-mail:
| | - Christian Dahlstrand
- Department of Chemistry, BMC, Uppsala UniversityBox 576, 75123, Uppsala (Sweden), Fax: (+46) 018-471-3818 E-mail:
| | - Rahul A Watile
- Department of Chemistry, BMC, Uppsala UniversityBox 576, 75123, Uppsala (Sweden), Fax: (+46) 018-471-3818 E-mail:
| | - Marcin Kalek
- Department of Organic Chemistry, Stockholm University10691, Stockholm, Sweden E-mail:
| | - Fahmi Himo
- Department of Organic Chemistry, Stockholm University10691, Stockholm, Sweden E-mail:
| | - Joseph S M Samec
- Department of Chemistry, BMC, Uppsala UniversityBox 576, 75123, Uppsala (Sweden), Fax: (+46) 018-471-3818 E-mail:
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96
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Tomás-Mendivil E, Toullec PY, Borge J, Conejero S, Michelet V, Cadierno V. Water-Soluble Gold(I) and Gold(III) Complexes with Sulfonated N-Heterocyclic Carbene Ligands: Synthesis, Characterization, and Application in the Catalytic Cycloisomerization of γ-Alkynoic Acids into Enol-Lactones. ACS Catal 2013. [DOI: 10.1021/cs4009144] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Eder Tomás-Mendivil
- Laboratorio de Compuestos Organometálicos y
Catálisis (Unidad Asociada al CSIC), Departamento
de Química Orgánica e Inorgánica, Instituto Universitario de Química Organometálica
“Enrique Moles”, Facultad de Química, Universidad de Oviedo, Julián Clavería 8, E-33006 Oviedo, Spain
| | - Patrick Y. Toullec
- ChimieParisTech, Laboratoire Charles Friedel, ENSCP, UMR 7223, 11 rue P. et M. Curie, F-75231 Paris Cedex 05, France
| | - Javier Borge
- Departamento
de Química Física y Analítica, Facultad
de Química, Universidad de Oviedo, Julián Clavería 8, E-33006 Oviedo, Spain
| | - Salvador Conejero
- Departamento de Química Inorgánica, Instituto de Investigaciones Químicas (IIQ), CSIC, Universidad de Sevilla, Avda. Américo Vespucio 49, E-41092 Sevilla, Spain
| | - Véronique Michelet
- ChimieParisTech, Laboratoire Charles Friedel, ENSCP, UMR 7223, 11 rue P. et M. Curie, F-75231 Paris Cedex 05, France
| | - Victorio Cadierno
- Laboratorio de Compuestos Organometálicos y
Catálisis (Unidad Asociada al CSIC), Departamento
de Química Orgánica e Inorgánica, Instituto Universitario de Química Organometálica
“Enrique Moles”, Facultad de Química, Universidad de Oviedo, Julián Clavería 8, E-33006 Oviedo, Spain
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97
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Saito K, Kajiwara Y, Akiyama T. Chiral Copper(II) Phosphate Catalyzed Enantioselective Synthesis of Isochromene Derivatives by Sequential Intramolecular Cyclization and Asymmetric Transfer Hydrogenation ofo-Alkynylacetophenones. Angew Chem Int Ed Engl 2013; 52:13284-8. [DOI: 10.1002/anie.201308303] [Citation(s) in RCA: 88] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2013] [Indexed: 11/11/2022]
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98
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Chiral Copper(II) Phosphate Catalyzed Enantioselective Synthesis of Isochromene Derivatives by Sequential Intramolecular Cyclization and Asymmetric Transfer Hydrogenation ofo-Alkynylacetophenones. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201308303] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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99
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Murai M, Sota Y, Onohara Y, Uenishi J, Uemura M. Gold(I)-Catalyzed Asymmetric Induction of Planar Chirality by Intramolecular Nucleophilic Addition to Chromium-Complexed Alkynylarenes: Asymmetric Synthesis of Planar Chiral (1H-Isochromene and 1,2-Dihydroisoquinoline)chromium Complexes. J Org Chem 2013; 78:10986-95. [DOI: 10.1021/jo401893f] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Masato Murai
- Kyoto Pharmaceutical University, Yamashina, Kyoto 607-8412, Japan
| | - Yumi Sota
- Kyoto Pharmaceutical University, Yamashina, Kyoto 607-8412, Japan
| | - Yu̅ki Onohara
- Kyoto Pharmaceutical University, Yamashina, Kyoto 607-8412, Japan
| | - Jun’ichi Uenishi
- Kyoto Pharmaceutical University, Yamashina, Kyoto 607-8412, Japan
| | - Motokazu Uemura
- Kyoto Pharmaceutical University, Yamashina, Kyoto 607-8412, Japan
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100
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