1
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Bernal MJ, Martín M, Sola E. Allenyl to Alkenylcarbyne Tautomerization at the Ru–Si Bond of Ru(κP,P,Si) Pincer Complexes. Organometallics 2015. [DOI: 10.1021/om501238d] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- María J. Bernal
- Instituto de Síntesis
Química y Catálisis Homogénea (ISQCH), CSIC-Universidad de Zaragoza, Zaragoza E-50009, Spain
| | - Marta Martín
- Instituto de Síntesis
Química y Catálisis Homogénea (ISQCH), CSIC-Universidad de Zaragoza, Zaragoza E-50009, Spain
| | - Eduardo Sola
- Instituto de Síntesis
Química y Catálisis Homogénea (ISQCH), CSIC-Universidad de Zaragoza, Zaragoza E-50009, Spain
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2
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Liu G, Zheng L, Shao M, Zhang H, Qiao W, Wang X, Liu B, Zhao H, Wang J. A six-coordinated cationic ruthenium carbyne complex with liable pyridine ligands: synthesis, structure, catalytic investigation, and DFT study on initiation mechanism. Tetrahedron 2014. [DOI: 10.1016/j.tet.2014.05.060] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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3
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Shao M, Zheng L, Qiao W, Wang J, Wang J. A Unique Ruthenium Carbyne Complex: A Highly Thermo-endurable Catalyst for Olefin Metathesis. Adv Synth Catal 2012. [DOI: 10.1002/adsc.201200119] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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4
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Vaquero M, Vargas S, Suárez A, Garcı́a-Garrido SE, Álvarez E, Mancera M, Pizzano A. Synthesis, Characterization, and Reactivity of Ruthenium Bis-Allyl Complexes with Chiral Phosphine-Phosphite Ligands. Organometallics 2012. [DOI: 10.1021/om300018s] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Mónica Vaquero
- Instituto de Investigaciones Quı́micas
(IIQ), Consejo Superior de Investigaciones Científicas and Universidad de Sevilla, Avda Américo Vespucio
No. 49, Isla de la Cartuja, 41092 Sevilla, Spain
| | - Sergio Vargas
- Instituto de Investigaciones Quı́micas
(IIQ), Consejo Superior de Investigaciones Científicas and Universidad de Sevilla, Avda Américo Vespucio
No. 49, Isla de la Cartuja, 41092 Sevilla, Spain
| | - Andrés Suárez
- Instituto de Investigaciones Quı́micas
(IIQ), Consejo Superior de Investigaciones Científicas and Universidad de Sevilla, Avda Américo Vespucio
No. 49, Isla de la Cartuja, 41092 Sevilla, Spain
| | - Sergio E. Garcı́a-Garrido
- Departamento
de Quı́mica Orgánica e Inorgánica, Instituto de Quı́mica Organometálica “Enrique
Moles” (Unidad Asociada al CSIC), Universidad de Oviedo, 33006 Oviedo, Spain
| | - Eleuterio Álvarez
- Instituto de Investigaciones Quı́micas
(IIQ), Consejo Superior de Investigaciones Científicas and Universidad de Sevilla, Avda Américo Vespucio
No. 49, Isla de la Cartuja, 41092 Sevilla, Spain
| | - Manuel Mancera
- Departamento de
Quı́mica Orgánica y Farmacéutica, Facultad de Farmacia, Universidad de Sevilla, 41012 Sevilla, Spain
| | - Antonio Pizzano
- Instituto de Investigaciones Quı́micas
(IIQ), Consejo Superior de Investigaciones Científicas and Universidad de Sevilla, Avda Américo Vespucio
No. 49, Isla de la Cartuja, 41092 Sevilla, Spain
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5
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Bolaño T, Esteruelas MA, Oñate E. Osmium–carbon multiple bonds: Reduction and C–C coupling reactions. J Organomet Chem 2011. [DOI: 10.1016/j.jorganchem.2011.04.029] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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6
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Castro-Rodrigo R, Esteruelas MA, López AM, Mozo S, Oñate E. C−H Bond Activation Reactions in π-Allene−Osmium−Triisopropylphosphine Complexes with Cyclopentadienyl or Hydridotris(pyrazolyl)borate Ligands: Formation of Isopropenyldiisopropylphosphine versus Hydride−Alkenylcarbyne Derivatives. Organometallics 2010. [DOI: 10.1021/om100568r] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Ruth Castro-Rodrigo
- Departamento de Química Inorgánica, Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Miguel A. Esteruelas
- Departamento de Química Inorgánica, Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Ana M. López
- Departamento de Química Inorgánica, Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Silvia Mozo
- Departamento de Química Inorgánica, Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Enrique Oñate
- Departamento de Química Inorgánica, Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
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7
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Cadierno V, García-Garrido SE, Gimeno J, Nebra N. Atom-economic transformations of propargylic alcohols catalyzed by the 16-electron allyl-ruthenium(II) complex [Ru(η3-2-C3H4Me)(CO)(dppf)][SbF6] (dppf=1,1′-bis(diphenylphosphino)ferrocene). Inorganica Chim Acta 2010. [DOI: 10.1016/j.ica.2009.05.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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8
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Chen J, He G, Sung HHY, Williams ID, Lin Z, Jia G. Rhenium Carbyne and η2-Vinyl Complexes from One-Pot Reactions of ReH5(PMe2Ph)3 with Terminal Alkynes. Organometallics 2010. [DOI: 10.1021/om100122a] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Jiangxi Chen
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Guomei He
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Herman Ho-Yung Sung
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Ian Duncan Williams
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Zhenyang Lin
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Guochen Jia
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
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9
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Lozano-Vila AM, Monsaert S, Bajek A, Verpoort F. Ruthenium-Based Olefin Metathesis Catalysts Derived from Alkynes. Chem Rev 2010; 110:4865-909. [PMID: 20392041 DOI: 10.1021/cr900346r] [Citation(s) in RCA: 175] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Ana M. Lozano-Vila
- Department of Inorganic and Physical Chemistry, Laboratory of Organometallic Chemistry and Catalysis, Ghent University, Krijgslaan 281 (S-3), 9000 Ghent, Belgium, Liaoning Provincial Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials, Liaoning University, Shenyang 110036, People’s Republic of China, and College of Chemistry, Liaoning University, Shenyang 110036, People’s Republic of China
| | - Stijn Monsaert
- Department of Inorganic and Physical Chemistry, Laboratory of Organometallic Chemistry and Catalysis, Ghent University, Krijgslaan 281 (S-3), 9000 Ghent, Belgium, Liaoning Provincial Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials, Liaoning University, Shenyang 110036, People’s Republic of China, and College of Chemistry, Liaoning University, Shenyang 110036, People’s Republic of China
| | - Agata Bajek
- Department of Inorganic and Physical Chemistry, Laboratory of Organometallic Chemistry and Catalysis, Ghent University, Krijgslaan 281 (S-3), 9000 Ghent, Belgium, Liaoning Provincial Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials, Liaoning University, Shenyang 110036, People’s Republic of China, and College of Chemistry, Liaoning University, Shenyang 110036, People’s Republic of China
| | - Francis Verpoort
- Department of Inorganic and Physical Chemistry, Laboratory of Organometallic Chemistry and Catalysis, Ghent University, Krijgslaan 281 (S-3), 9000 Ghent, Belgium, Liaoning Provincial Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials, Liaoning University, Shenyang 110036, People’s Republic of China, and College of Chemistry, Liaoning University, Shenyang 110036, People’s Republic of China
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10
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Affiliation(s)
- Victorio Cadierno
- Departamento de Química Orgánica e Inorgánica, Instituto Universitario de Química Organometálica “Enrique Moles” (Unidad Asociada al CSIC), Facultad de Química, Universidad de Oviedo, E-33071 Oviedo, Spain
| | - José Gimeno
- Departamento de Química Orgánica e Inorgánica, Instituto Universitario de Química Organometálica “Enrique Moles” (Unidad Asociada al CSIC), Facultad de Química, Universidad de Oviedo, E-33071 Oviedo, Spain
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11
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Pino-Chamorro JA, Bustelo E, Puerta MC, Valerga P. Allenylidene/Alkenylcarbyne Synthesis and Reactivity in Ruthenium Complexes with Monodentate Phosphine Ligands. Organometallics 2009. [DOI: 10.1021/om801125f] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Jose Angel Pino-Chamorro
- Departamento de Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica, Facultad de Ciencias, Universidad de Cádiz, 11510 Puerto Real (Cádiz), Spain
| | - Emilio Bustelo
- Departamento de Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica, Facultad de Ciencias, Universidad de Cádiz, 11510 Puerto Real (Cádiz), Spain
| | - M. Carmen Puerta
- Departamento de Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica, Facultad de Ciencias, Universidad de Cádiz, 11510 Puerto Real (Cádiz), Spain
| | - Pedro Valerga
- Departamento de Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica, Facultad de Ciencias, Universidad de Cádiz, 11510 Puerto Real (Cádiz), Spain
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12
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Puerta MC, Valerga P, Palacios MD. Formation of a coordinated 2-aminoethylidene ligand and its rearrangement by deprotonation into a phosphinoallyl ligand containing a pyrrolidin-2-yl ring. Inorg Chem 2008; 47:8598-600. [PMID: 18729354 DOI: 10.1021/ic801302z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The activation of 1,1-diphenyl-2-propyn-1-ol by the metallic fragment [(eta (5)-C 5Me 5)Ru(dippae)] (+) {dippae = 1,2-bis[(diisopropylphosphanyl)amino]ethane}, followed by dehydration, produces a cationic complex that, by deprotonation and rearrangement, leads to a neutral complex with a phosphinoallyl ligand containing a pyrrolidin-2-yl ring.
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Affiliation(s)
- M Carmen Puerta
- Departamento de CMIM y Química Inorgánica, Facultad de Ciencias, Universidad de Cádiz, Campus del Río San Pedro, Puerto Real 11510, Spain
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13
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Bustelo E, Jiménez-Tenorio M, Puerta MC, Valerga P. γ-Substituted Vinylidene, Chroman-2-ylidene, and Hexahydrochromen-2-ylidene from Ruthenium Allenylidene/Alkenylcarbyne Complexes. Organometallics 2007. [DOI: 10.1021/om700431n] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Emilio Bustelo
- Departamento de Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica, Facultad de Ciencias, Universidad de Cádiz, Apartado 40, 11510 Puerto Real (Cádiz), Spain
| | - Manuel Jiménez-Tenorio
- Departamento de Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica, Facultad de Ciencias, Universidad de Cádiz, Apartado 40, 11510 Puerto Real (Cádiz), Spain
| | - M. Carmen Puerta
- Departamento de Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica, Facultad de Ciencias, Universidad de Cádiz, Apartado 40, 11510 Puerto Real (Cádiz), Spain
| | - Pedro Valerga
- Departamento de Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica, Facultad de Ciencias, Universidad de Cádiz, Apartado 40, 11510 Puerto Real (Cádiz), Spain
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14
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Bolaño T, Castarlenas R, Esteruelas MA, Oñate E. Sequential and Selective Hydrogenation of the Cα−Cβ and M−Cα Double Bonds of an Allenylidene Ligand Coordinated to Osmium: New Reaction Patterns between an Allenylidene Complex and Alcohols. J Am Chem Soc 2007; 129:8850-9. [PMID: 17580869 DOI: 10.1021/ja071972a] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Complex [OsH(=C=C=CPh2)(CH3CN)2(PiPr3)2]BF4 (1) reacts with primary and secondary alcohols to give the corresponding dehydrogenated alcohols and the hydride-carbene derivative [OsH(=CHCH=CPh2)(CH3CN)2(PiPr3)2]BF4 (2), as a result of hydrogen transfer reactions from the alcohols to the Calpha-Cbeta double bond of the allenylidene ligand of 1. The reactions with phenol and t-butanol, which do not contain any beta-hydrogen, afford the alkoxy-hydride-carbyne complexes [OsH(OR)(CCH=CPh2)(CH3CN)(PiPr3)2]BF4 (R = Ph (3), tBu (4)), as a consequence of the 1,3-addition of the O-H bond of the alcohols to the metallic center and the Cbeta atom of the allenylidene of 1. On the basis of the reactions of 1 with these tertiary alcohols, deuterium labeling experiments, and DFT calculations, the mechanism of the hydrogenation is proposed. In acetonitrile under reflux, the Os-C double bond of 2 undergoes hydrogenation to give 1,1-diphenylpropene and [Os{CH2CH(CH3)PiPr2(CH3CN)3(PiPr3)]BF4 (11), containing a metalated phosphine ligand. This reaction is a first-order process with activation parameters of DeltaH = 89.0 +/- 6.3 kJ mol-1 and DeltaS = -43.5 +/- 9.6 J mol-1 K-1. The X-ray structures of 2 and 3 are also reported.
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Affiliation(s)
- Tamara Bolaño
- Departamento de Química InorgAnica, Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
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15
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Herndon JW. The chemistry of the carbon–transition metal double and triple bond: Annual survey covering the year 2005. Coord Chem Rev 2007. [DOI: 10.1016/j.ccr.2006.11.002] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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16
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Caskey SR, Stewart MH, Ahn YJ, Johnson MJA, Rowsell JLC, Kampf JW. Synthesis, Structure, and Reactivity of Four-, Five-, and Six-Coordinate Ruthenium Carbyne Complexes. Organometallics 2007. [DOI: 10.1021/om061192v] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Stephen R. Caskey
- Department of Chemistry, University of Michigan, 930 N. University Avenue, Ann Arbor, Michigan 48109-1055, and Department of Chemistry & Biochemistry, Oberlin College, 119 Woodland Street, Oberlin, Ohio 44074-1097
| | - Michael H. Stewart
- Department of Chemistry, University of Michigan, 930 N. University Avenue, Ann Arbor, Michigan 48109-1055, and Department of Chemistry & Biochemistry, Oberlin College, 119 Woodland Street, Oberlin, Ohio 44074-1097
| | - Yi Joon Ahn
- Department of Chemistry, University of Michigan, 930 N. University Avenue, Ann Arbor, Michigan 48109-1055, and Department of Chemistry & Biochemistry, Oberlin College, 119 Woodland Street, Oberlin, Ohio 44074-1097
| | - Marc J. A. Johnson
- Department of Chemistry, University of Michigan, 930 N. University Avenue, Ann Arbor, Michigan 48109-1055, and Department of Chemistry & Biochemistry, Oberlin College, 119 Woodland Street, Oberlin, Ohio 44074-1097
| | - Jesse L. C. Rowsell
- Department of Chemistry, University of Michigan, 930 N. University Avenue, Ann Arbor, Michigan 48109-1055, and Department of Chemistry & Biochemistry, Oberlin College, 119 Woodland Street, Oberlin, Ohio 44074-1097
| | - Jeff W. Kampf
- Department of Chemistry, University of Michigan, 930 N. University Avenue, Ann Arbor, Michigan 48109-1055, and Department of Chemistry & Biochemistry, Oberlin College, 119 Woodland Street, Oberlin, Ohio 44074-1097
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17
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Lu XL, Yu X, Lou J. Recent Advances in Dppf‐Containing (Cp/Cp∗)Ru and (Arene)Ru(II) Complexes: Structure, Reactivity, Catalysis, and Electrochemistry (2000–2005). ACTA ACUST UNITED AC 2007. [DOI: 10.1080/15533170601028231] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Xiu Lian Lu
- a Pharmaceutical Department , College of Life Science, China Institute of Metrology , Hangzhou, Zhejiang, China
| | - Xiaoping Yu
- a Pharmaceutical Department , College of Life Science, China Institute of Metrology , Hangzhou, Zhejiang, China
| | - Ji‐Dong Lou
- a Pharmaceutical Department , College of Life Science, China Institute of Metrology , Hangzhou, Zhejiang, China
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18
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Ojo WS, Pétillon FY, Schollhammer P, Talarmin J, Muir KW. A Bridging Side-on Allenylidene Dimolybdenum Complex without Carbonyl Stabilization. Organometallics 2006. [DOI: 10.1021/om060663a] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Wilfried-Solo Ojo
- UMR CNRS 6521, Chimie, Electrochimie Moléculaires et Chimie Analytique, UFR Sciences et Techniques, Université de Bretagne Occidentale, CS 93837, 29238 Brest-Cedex 3, France, and Chemistry Department, University of Glasgow, Glasgow G12 8QQ, U.K
| | - François Y. Pétillon
- UMR CNRS 6521, Chimie, Electrochimie Moléculaires et Chimie Analytique, UFR Sciences et Techniques, Université de Bretagne Occidentale, CS 93837, 29238 Brest-Cedex 3, France, and Chemistry Department, University of Glasgow, Glasgow G12 8QQ, U.K
| | - Philippe Schollhammer
- UMR CNRS 6521, Chimie, Electrochimie Moléculaires et Chimie Analytique, UFR Sciences et Techniques, Université de Bretagne Occidentale, CS 93837, 29238 Brest-Cedex 3, France, and Chemistry Department, University of Glasgow, Glasgow G12 8QQ, U.K
| | - Jean Talarmin
- UMR CNRS 6521, Chimie, Electrochimie Moléculaires et Chimie Analytique, UFR Sciences et Techniques, Université de Bretagne Occidentale, CS 93837, 29238 Brest-Cedex 3, France, and Chemistry Department, University of Glasgow, Glasgow G12 8QQ, U.K
| | - Kenneth W. Muir
- UMR CNRS 6521, Chimie, Electrochimie Moléculaires et Chimie Analytique, UFR Sciences et Techniques, Université de Bretagne Occidentale, CS 93837, 29238 Brest-Cedex 3, France, and Chemistry Department, University of Glasgow, Glasgow G12 8QQ, U.K
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19
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Beach NJ, Walker JM, Jenkins HA, Spivak GJ. Ruthenium vinylidene and carbyne complexes containing a multifunctional tridentate ligand with a PNN donor set. J Organomet Chem 2006. [DOI: 10.1016/j.jorganchem.2006.06.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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20
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Bustelo E, Jiménez-Tenorio M, Puerta MC, Valerga P. Ruthenium Allenylidene/Alkenylcarbyne Complexes Triggering Keto−Enol Tautomerism: An Alternative Approach to γ-Keto Vinylidenes from Simple Ketones and 1,3-Dicarbonyl Compounds. Organometallics 2006. [DOI: 10.1021/om060453y] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Emilio Bustelo
- Departamento de Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica, Facultad de Ciencias, Universidad de Cádiz, Apartado 40, 11510 Puerto Real (Cádiz), Spain
| | - Manuel Jiménez-Tenorio
- Departamento de Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica, Facultad de Ciencias, Universidad de Cádiz, Apartado 40, 11510 Puerto Real (Cádiz), Spain
| | - M. Carmen Puerta
- Departamento de Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica, Facultad de Ciencias, Universidad de Cádiz, Apartado 40, 11510 Puerto Real (Cádiz), Spain
| | - Pedro Valerga
- Departamento de Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica, Facultad de Ciencias, Universidad de Cádiz, Apartado 40, 11510 Puerto Real (Cádiz), Spain
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21
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Castarlenas R, Vovard C, Fischmeister C, Dixneuf PH. Allenylidene-to-Indenylidene Rearrangement in Arene−Ruthenium Complexes: A Key Step to Highly Active Catalysts for Olefin Metathesis Reactions. J Am Chem Soc 2006; 128:4079-89. [PMID: 16551117 DOI: 10.1021/ja0579762] [Citation(s) in RCA: 96] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The allenylidene-ruthenium complexes [(eta6-arene)RuCl(=C=C=CR2)(PR'3)]OTf (R2 = Ph; fluorene, Ph, Me; PR'3 = PCy3, P(i)Pr3, PPh3) (OTf = CF3SO3) on protonation with HOTf at -40 C are completely transformed into alkenylcarbyne complexes [(eta6-p-cymene)RuCl([triple bond]CCH=CR2)(PR3)](OTf)2. At -20 degrees C the latter undergo intramolecular rearrangement of the allenylidene ligand, with release of HOTf, into the indenylidene group in derivatives [(eta6-arene)RuCl(indenylidene)(PR3)]OTf. The in situ-prepared indenylidene-ruthenium complexes are efficient catalyst precursors for ring-opening metathesis polymerization of cyclooctene and cyclopentene, reaching turnover frequencies of nearly 300 s(-1) at room temperature. Isolation of these derivatives improves catalytic activity for the ring-closing metathesis of a variety of dienes and enynes. A mechanism based on the initial release of arene ligand and the in situ generation of the active catalytic species RuCl(OTf)(=CH2)(PR3) is proposed.
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Affiliation(s)
- Ricardo Castarlenas
- Institut de Chimie de Rennes, UMR 6509 CNRS-Université de Rennes, Organométalliques et Catalyse, Campus de Beaulieu, 35042 Rennes, France
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