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Zhao J, Ji S, Guo C, Li H, Dong J, Guo P, Wang D, Li Y, Toste FD. A heterogeneous iridium single-atom-site catalyst for highly regioselective carbenoid O–H bond insertion. Nat Catal 2021. [DOI: 10.1038/s41929-021-00637-7] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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2
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Ren Z, Musaev DG, Davies HML. Influence of Aryl Substituents on the Alignment of Ligands in the Dirhodium Tetrakis(1,2,2‐Triarylcyclopropane‐ carboxylate) Catalysts. ChemCatChem 2020. [DOI: 10.1002/cctc.202001206] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Zhi Ren
- Department of Chemistry Emory University 1515 Dickey Drive Atlanta GA 30322 USA
| | - Djamaladdin G. Musaev
- Cherry L. Emerson Center for Scientific Computation Emory University 1515 Dickey Drive Atlanta GA 30322 USA
| | - Huw M. L. Davies
- Department of Chemistry Emory University 1515 Dickey Drive Atlanta GA 30322 USA
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Davies HML. Finding Opportunities from Surprises and Failures. Development of Rhodium-Stabilized Donor/Acceptor Carbenes and Their Application to Catalyst-Controlled C-H Functionalization. J Org Chem 2019; 84:12722-12745. [PMID: 31525891 PMCID: PMC7232105 DOI: 10.1021/acs.joc.9b02428] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Catalyst-controlled C-H functionalization by means of the C-H insertion chemistry of rhodium carbenes has become a powerful synthetic method. The key requirements for the development of this chemistry are donor/acceptor carbenes and the chiral dirhodium tetracarboxylate catalysts. This perspective will describe the stages involved in developing this chemistry and illustrate the scope of the donor/acceptor carbene C-H functionalization.
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Affiliation(s)
- Huw M L Davies
- Department of Chemistry , Emory University , 1515 Dickey Drive , Atlanta , Georgia 30322 , Unites States
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4
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Aldajaei JT, Keeffe JR, Swift CA, Gronert S. Are Copper(I) Carbenes Capable Intermediates for Cyclopropanations? The Case for Ylide Intermediates. Chemistry 2015; 21:12702-8. [DOI: 10.1002/chem.201501550] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2015] [Indexed: 12/19/2022]
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5
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Adly FG, Ghanem A. Chiral Dirhodium(II) Carboxylates and Carboxamidates as Effective Chemzymes in Asymmetric Synthesis of Three-Membered Carbocycles. Chirality 2014; 26:692-711. [DOI: 10.1002/chir.22347] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2014] [Accepted: 05/07/2014] [Indexed: 02/06/2023]
Affiliation(s)
- Frady G. Adly
- Chirality program, Faculty of ESTEM; University of Canberra; ACT Australia
| | - Ashraf Ghanem
- Chirality program, Faculty of ESTEM; University of Canberra; ACT Australia
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6
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Reactions of Indoles with Metal-Bound Carbenoids. ADVANCES IN HETEROCYCLIC CHEMISTRY 2013. [DOI: 10.1016/b978-0-12-408100-0.00002-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register]
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7
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8
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Collins SG, O'Sullivan OCM, Kelleher PG, Maguire AR. Design and synthesis of stable α-diazo-β-oxo sulfoxides. Org Biomol Chem 2013; 11:1706-25. [DOI: 10.1039/c3ob27061k] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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9
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Doyle MP, Dyatkin AB, Protopopova MN, Yang CI, Miertschin CS, Winchester WR, Simonsen SH, Lynch V, Ghosh R. Enhanced enantiocontrol in catalytic metal carbene transformations with dirhodium (II) tetrakis[methyl 2-oxooxazolidin-4(S)-carboxylate], Rh2(4S-MEOX)4. ACTA ACUST UNITED AC 2010. [DOI: 10.1002/recl.19951140407] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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10
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Hansen J, Li B, Dikarev E, Autschbach J, Davies HML. Combined Experimental and Computational Studies of Heterobimetallic Bi−Rh Paddlewheel Carboxylates as Catalysts for Metal Carbenoid Transformations. J Org Chem 2009; 74:6564-71. [DOI: 10.1021/jo900998s] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jo̷rn Hansen
- Department of Chemistry, Emory University, 440 Atwood Hall, 1515 Dickey Drive, Atlanta, Georgia 30322
| | - Bo Li
- Department of Chemistry, University at Albany, State University of New York, Albany, New York 12222
| | - Evgeny Dikarev
- Department of Chemistry, University at Albany, State University of New York, Albany, New York 12222
| | - Jochen Autschbach
- Department of Chemistry, University at Buffalo, State University of New York, Buffalo, New York 14260-3000
| | - Huw M. L. Davies
- Department of Chemistry, Emory University, 440 Atwood Hall, 1515 Dickey Drive, Atlanta, Georgia 30322
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11
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Hansen J, Autschbach J, Davies HML. Computational Study on the Selectivity of Donor/Acceptor-Substituted Rhodium Carbenoids. J Org Chem 2009; 74:6555-63. [DOI: 10.1021/jo9009968] [Citation(s) in RCA: 155] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jørn Hansen
- Department of Chemistry, Emory University, 440 Atwood Hall, 1515 Dickey Drive, Atlanta, Georgia 30322
| | - Jochen Autschbach
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York 14260
| | - Huw M. L. Davies
- Department of Chemistry, Emory University, 440 Atwood Hall, 1515 Dickey Drive, Atlanta, Georgia 30322
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Abstract
The design and use of chiral dirhodium(II) paddlewheel complexes as catalysts for asymmetric metal carbenoid and metal nitrenoid reactions, and as Lewis acids have become areas of considerable interest during the past two decades. The metal carbenoid chemistry is especially versatile, encompassing transformations such as C-H insertions, cyclopropanations and ylide formation. A number of different classes of dirhodium(II) catalysts have been found to be broadly effective in this chemistry. This review will highlight that many of these catalysts have higher symmetry than the individual chiral ligands themselves. An introduction of theoretical aspects concerning the structure and symmetry of chiral dirhodium(II) complexes will be given followed by an overview of the major classes of catalysts developed to date. Some representative examples of the synthetic potential of these catalysts will also be discussed.
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Affiliation(s)
- Jørn Hansen
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York, 14260-3000
| | - Huw M. L. Davies
- Department of Chemistry, University at Buffalo, The State University of New York, Buffalo, New York, 14260-3000
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Tomilov YV, Dokitchev VA, Dzhemilev UM, Nefedov OM. Catalytic decomposition of diazomethane as a general method for the methylenation of chemical compounds. RUSSIAN CHEMICAL REVIEWS 2007. [DOI: 10.1070/rc1993v062n09abeh000048] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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14
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Portada T, Roje M, Raza Z, Čaplar V, Žinić M, Šunjić V. Chiral Macrocyclic Bis(oxazoline) CuI Complexes – Structure/Stereoselectivity Relationships in Catalytic Cyclopropanations. European J Org Chem 2007. [DOI: 10.1002/ejoc.200600827] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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15
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Müller P, Baud C, Ené D, Motallebi S, Doyle MP, Brandes BD, Dyatkin AB, See MM. Enantioselectivity andcis/trans-Selectivity in Dirhodium(II)-Catalyzed addition of diazoacetates to olefins. Helv Chim Acta 2004. [DOI: 10.1002/hlca.19950780217] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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16
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Müller P, Polleux P. Enantioselective Formation of Bicyclic Lactones by Rhodium-Catalyzed Intramolecular CH-insertion reactions. Helv Chim Acta 2004. [DOI: 10.1002/hlca.19940770307] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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17
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Doyle MP, Winchester WR, Protopopova MN, Müller P, Bernardinelli G, Ene D, Motallebi S. Tetrakis[(4S)-4-phenyloxazolidin-2-one]dirhodium(II) and Its Catalytic Applications for Metal Carbene Transformations. Helv Chim Acta 2004. [DOI: 10.1002/hlca.19930760606] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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18
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Müller P, Fernandez D. Carbenoid Reactions in Rhodium(II)-Catalyzed Decomposition of Iodonium Ylides. Helv Chim Acta 2004. [DOI: 10.1002/hlca.19950780417] [Citation(s) in RCA: 77] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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19
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Padwa A, Flick AC, Leverett CA, Stengel T. Rhodium(II)-Catalyzed Aziridination of Allyl-Substituted Sulfonamides and Carbamates. J Org Chem 2004; 69:6377-86. [PMID: 15357598 DOI: 10.1021/jo048990k] [Citation(s) in RCA: 127] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Several unsaturated sulfonamides underwent intramolecular aziridination when treated with PhI(OAc)(2), MgO, and catalytic Rh(2)(OAc)(4) to give bicyclic aziridines in excellent yield. Treatment of the resulting azabicyclic sulfonamides in methanol in the presence of p-TsOH resulted in exclusive opening of the aziridine ring at the most substituted position affording six- and seven-membered ring products in high yield. In contrast, the intramolecular aziridination of several cycloalkenyl-substituted carbamates did not require a Rh(II) catalyst and proceeded via an iminoiodinane intermediate. The resulting tricyclic aziridines underwent ring opening when treated with various nucleophiles to give anti-derived products as expected for nucleophilic attack at the three-membered ring. The iodine(III)-mediated reaction of a 3-indolyl-substituted carbamate, however, required a Rh(II) catalyst. The expected aziridine was not observed, but rather simultaneous spirocyclization of C(3) and stereoselective syn-acylation at C(2) occurred to give compound 41, whose structure was unequivocally established by an X-ray crystallographic study. The reaction proceeds in a stepwise manner via a metal-free zwitterionic intermediate which is attacked by a nucleophilic reagent on the same side of the amide anion. Related reactions occurred with both a 2-indolyl- and 3-benzofuranyl-substituted carbamate but with lower stereoselectivity.
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Affiliation(s)
- Albert Padwa
- Department of Chemistry, Emory University, Atlanta, Georgia 30322, USA.
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20
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Davies HML, Beckwith REJ. Catalytic enantioselective C-H activation by means of metal-carbenoid-induced C-H insertion. Chem Rev 2003; 103:2861-904. [PMID: 12914484 DOI: 10.1021/cr0200217] [Citation(s) in RCA: 1325] [Impact Index Per Article: 63.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Huw M L Davies
- Department of Chemistry, State University of New York at Buffalo, Buffalo, NY 14260-3000, USA
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21
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Michon C, Djukic JP, Ratkovic Z, Collin JP, Pfeffer M, de Cian A, Fischer J, Heiser D, Dötz KH, Nieger M. Polynuclear Organometallic Helices by Means of Novel Coupling Reactions of Cyclomanganated Complexes with Aryl-Substituted Diazoalkanes: Syntheses of New Manganospiralenes and Appended (η5-fluoren-9-yl)M(CO)3 Complexes (M = Mn, Re). Organometallics 2002. [DOI: 10.1021/om020116z] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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22
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Singh UP, Babbar P, Hassler B, Nishiyama H, Brunner H. Optically active pyrazolylborate: synthesis, characterization and uses in enantioselective cyclopropanation reaction. ACTA ACUST UNITED AC 2002. [DOI: 10.1016/s1381-1169(02)00075-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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23
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Estevan F, Herbst K, Lahuerta P, Barberis M, Pérez-Prieto J. Chiral Dirhodium(II) Catalysts with Orthometalated Aryl Phosphine Ligands: Synthesis and Application for Enantioselective C−H Insertion of α-Diazo Ketones. Organometallics 2001. [DOI: 10.1021/om0010060] [Citation(s) in RCA: 55] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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24
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Baratta W, Herrmann WA, Kratzer RM, Rigo P. Half-Sandwich Ruthenium(II) Catalysts for C−C Coupling Reactions between Alkenes and Diazo Compounds. Organometallics 2000. [DOI: 10.1021/om0003537] [Citation(s) in RCA: 62] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Walter Baratta
- Dipartimento di Scienze e Tecnologie Chimiche, Università di Udine, Via Cotonificio 108, I-33100 Udine, Italy, and Anorganisch-chemisches Institut, Technische Universität München, Lichtenbergstrasse 4, D-85747 Garching, Germany
| | - Wolfgang A. Herrmann
- Dipartimento di Scienze e Tecnologie Chimiche, Università di Udine, Via Cotonificio 108, I-33100 Udine, Italy, and Anorganisch-chemisches Institut, Technische Universität München, Lichtenbergstrasse 4, D-85747 Garching, Germany
| | - Roland M. Kratzer
- Dipartimento di Scienze e Tecnologie Chimiche, Università di Udine, Via Cotonificio 108, I-33100 Udine, Italy, and Anorganisch-chemisches Institut, Technische Universität München, Lichtenbergstrasse 4, D-85747 Garching, Germany
| | - Pierluigi Rigo
- Dipartimento di Scienze e Tecnologie Chimiche, Università di Udine, Via Cotonificio 108, I-33100 Udine, Italy, and Anorganisch-chemisches Institut, Technische Universität München, Lichtenbergstrasse 4, D-85747 Garching, Germany
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25
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Doyle MP, Hu W, Chapman B, Marnett AB, Peterson CS, Vitale JP, Stanley SA. Enantiocontrolled Macrocycle Formation by Catalytic Intramolecular Cyclopropanation. J Am Chem Soc 2000. [DOI: 10.1021/ja9945414] [Citation(s) in RCA: 54] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Michael P. Doyle
- Contribution from the Department of Chemistry, The University of Arizona, Tucson, Arizona 85721
| | - Wenhao Hu
- Contribution from the Department of Chemistry, The University of Arizona, Tucson, Arizona 85721
| | - Brant Chapman
- Contribution from the Department of Chemistry, The University of Arizona, Tucson, Arizona 85721
| | - Alan B. Marnett
- Contribution from the Department of Chemistry, The University of Arizona, Tucson, Arizona 85721
| | - Chad S. Peterson
- Contribution from the Department of Chemistry, The University of Arizona, Tucson, Arizona 85721
| | - Justin P. Vitale
- Contribution from the Department of Chemistry, The University of Arizona, Tucson, Arizona 85721
| | - Sarah A. Stanley
- Contribution from the Department of Chemistry, The University of Arizona, Tucson, Arizona 85721
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27
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L. Davies HM. Dirhodium Tetra(N-arylsulfonylprolinates) as Chiral Catalysts For Asymmetric Transformations of Vinyl- and Aryldiazoacetates. European J Org Chem 1999. [DOI: 10.1002/(sici)1099-0690(199910)1999:10<2459::aid-ejoc2459>3.0.co;2-r] [Citation(s) in RCA: 122] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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28
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Chiral biferrocene-based bis(oxazolines): Ligands for Cu(I)-catalyzed asymmetric cyclopropanations of ene-diazoacetates. Tetrahedron 1999. [DOI: 10.1016/s0040-4020(99)00542-6] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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29
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Park SW, Son JH, Kim SG, Ahn KH. Ru(II)-catalyzed asymmetric cyclopropanation using chiral diphenylphosphino(oxazolinyl)quinoline ligands. ACTA ACUST UNITED AC 1999. [DOI: 10.1016/s0957-4166(99)00190-1] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Affiliation(s)
- Paul Müller
- Département de Chimie Organique, Université de Genève, 30 Quai Ernest Ansermet, CH‐1211 Geneva, Switzerland
| | - Daniel Fernandez
- Département de Chimie Organique, Université de Genève, 30 Quai Ernest Ansermet, CH‐1211 Geneva, Switzerland
| | - Patrice Nury
- Département de Chimie Organique, Université de Genève, 30 Quai Ernest Ansermet, CH‐1211 Geneva, Switzerland
| | - Jean‐Claude Rossier
- Département de Chimie Organique, Université de Genève, 30 Quai Ernest Ansermet, CH‐1211 Geneva, Switzerland
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33
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Doyle MP, Forbes DC. Recent Advances in Asymmetric Catalytic Metal Carbene Transformations. Chem Rev 1998; 98:911-936. [PMID: 11848918 DOI: 10.1021/cr940066a] [Citation(s) in RCA: 1071] [Impact Index Per Article: 41.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Michael P. Doyle
- Department of Chemistry, University of Arizona, Tucson, Arizona 85721
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34
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Sheehan SM, Padwa A, Snyder JP. Dirhodium(II) Tetracarboxylate carbenoids as catalytic intermediates. Tetrahedron Lett 1998. [DOI: 10.1016/s0040-4039(97)10667-0] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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35
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Asymmetric carbene transformations. ACTA ACUST UNITED AC 1998. [DOI: 10.1016/s1874-5156(97)80011-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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36
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Nishiyama H. Chiral Bis(oxazolinyl)pyridine (Pybox) ligands for asymmetric transition metal catalysis. ACTA ACUST UNITED AC 1998. [DOI: 10.1016/s1874-5156(97)80008-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
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37
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Starmans WA, Thijs L, Zwanenburg B. Novel chiral dirhodium catalysts derived from aziridine and azetidine carboxylic acid for intermolecular cyclopropanation reactions with methyl phenyldiazoacetate. Tetrahedron 1998. [DOI: 10.1016/s0040-4020(97)10322-2] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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38
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Manitto P, Monti D, Speranza G. Rhodium(II)-Catalyzed Decomposition of 1-Diazo-4-(1- or 2-naphthyl)-2-butanones as a New Route to Rearranged Pimarane and Abietane Skeleta. Synthesis of Umbrosone. J Org Chem 1997. [DOI: 10.1021/jo970631k] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Paolo Manitto
- Dipartimento di Chimica Organica e Industriale, Università di Milano, and Centro di Studio per le Sostanze Organiche Naturali, CNR, via Venezian 21, I-20133 Milano, Italy
| | - Diego Monti
- Dipartimento di Chimica Organica e Industriale, Università di Milano, and Centro di Studio per le Sostanze Organiche Naturali, CNR, via Venezian 21, I-20133 Milano, Italy
| | - Giovanna Speranza
- Dipartimento di Chimica Organica e Industriale, Università di Milano, and Centro di Studio per le Sostanze Organiche Naturali, CNR, via Venezian 21, I-20133 Milano, Italy
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39
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40
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Synthesis and evaluation of a novel dirhodium tetraprolinate catalyst containing bridging prolinate ligands. Tetrahedron Lett 1997. [DOI: 10.1016/s0040-4039(97)00897-6] [Citation(s) in RCA: 39] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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41
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Prein M, Manley PJ, Padwa A. Site selectivity in the rhodium(II)-catalyzed reaction of α-diazoimides. Ligand and substituent effects. Tetrahedron 1997. [DOI: 10.1016/s0040-4020(97)00479-1] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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42
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Denmark SE, Stavenger RA, Faucher AM, Edwards JP. Cyclopropanation with Diazomethane and Bis(oxazoline)palladium(II) Complexes. J Org Chem 1997; 62:3375-3389. [PMID: 11671727 DOI: 10.1021/jo970044z] [Citation(s) in RCA: 208] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Studies toward the development of an enantioselective diazomethane-based cyclopropanation reagent derived from bis(oxazoline)palladium(II) complexes are reported. Several simple palladium chelates, 2 and 7, in addition to the novel carbon-bound complexes 15 were synthesized and evaluated in the cyclopropanation of various electron-deficient olefins. The X-ray crystal structure of aryl-bis(oxazoline)palladium complex 15c is described. Although all catalysts efficiently affected cyclopropanation, all products were racemic. An intriguing relationship between substitution on the oxazoline ring, particularly the commonly-derivatized 4-position, and catalyst efficiency was discovered. The results are rationalized by either partial or complete bis(oxazoline) decomplexation during the course of the reaction.
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Affiliation(s)
- Scott E. Denmark
- Roger Adams Laboratory, Department of Chemistry, University of Illinois, Urbana, Illinois 61801
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43
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Kappe C. Ammonium ylide versus carbonyl ylide formation in the rhodium(II)-catalyzed decomposition of diazoacetylureas. Generation and X-ray structure of a stable five-membered N-acyl ammonium ylide. Tetrahedron Lett 1997. [DOI: 10.1016/s0040-4039(97)00618-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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44
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Bulugahapitiya P, Landais Y, Parra-Rapado L, Planchenault D, Weber V. A Stereospecific Access to Allylic Systems Using Rhodium(II)−Vinyl Carbenoid Insertion into Si−H, O−H, and N−H Bonds. J Org Chem 1997. [DOI: 10.1021/jo961952j] [Citation(s) in RCA: 100] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | - Yannick Landais
- Institut de Chimie Organique, Université de Lausanne, Collège Propédeutique, 1015 Lausanne-Dorigny, Switzerland
| | - Liliana Parra-Rapado
- Institut de Chimie Organique, Université de Lausanne, Collège Propédeutique, 1015 Lausanne-Dorigny, Switzerland
| | - Denis Planchenault
- Institut de Chimie Organique, Université de Lausanne, Collège Propédeutique, 1015 Lausanne-Dorigny, Switzerland
| | - Valéry Weber
- Institut de Chimie Organique, Université de Lausanne, Collège Propédeutique, 1015 Lausanne-Dorigny, Switzerland
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Hagen M, Lünig U. Concave Reagents,22. Cyclopropanation of Alkenes with Ethyl Diazoacetate: Copper(I) Complexes of Concave 1,10-Phenanthrolines as Diastereoselective Catalysts. ACTA ACUST UNITED AC 1997. [DOI: 10.1002/cber.19971300215] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Landais Y, Parra-Rapado L, Planchenault D, Weber V. Mechanism of metal-carbenoid insertion into the SiH bond. Tetrahedron Lett 1997. [DOI: 10.1016/s0040-4039(96)02285-x] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Buck RT, Doyle MP, Drysdale MJ, Ferris L, Forbes DC, Haigh D, Moody CJ, Pearson ND, Zhou QL. Asymmetric rhodium carbenoid insertion into the SiH bond. Tetrahedron Lett 1996. [DOI: 10.1016/0040-4039(96)01679-6] [Citation(s) in RCA: 61] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Prein M, Padwa A. Ligand-dependent site selectivity in the Rh(II)-catalyzed decomposition of a glycine-derived diazo acetoacetamide. Tetrahedron Lett 1996. [DOI: 10.1016/0040-4039(96)01577-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Aggarwal VK, Abdel-Rahman H, Fan L, Jones RVH, Standen MCH. A Novel Catalytic Cycle for the Synthesis of Epoxides Using Sulfur Ylides. Chemistry 1996. [DOI: 10.1002/chem.19960020819] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Asymmetric copper-catalysed alkene cyclopropanation and aziridination using tartrate-derived bis-oxazoline ligands. Tetrahedron Lett 1996. [DOI: 10.1016/0040-4039(96)01320-2] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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