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Tse SKS, Sung HHY, Williams ID, Jia G. Vinylidene, allenylidene, cyclic oxycarbene, and η 2-alkyne complexes from reactions of (η 5-C 5Me 5)OsCl(PPh 3) 2 with alkynes and alkynols. CAN J CHEM 2021. [DOI: 10.1139/cjc-2020-0320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Reactions of Cp*OsCl(PPh3)2 (Cp* = pentamethylcyclopentadienyl) with alkynes and alkynols are described. Treatment of Cp*OsCl(PPh3)2 with phenylacetylene and trimethylsilylacetylene gave the vinylidene complexes Cp*OsCl(=C=CHPh)(PPh3) and Cp*OsCl(=C=CH2)(PPh3), respectively. Treatment of Cp*OsCl(PPh3)2 with the internal alkyne dimethyl acetylenedicarboxylate produced the η2-alkyne complex Cp*OsCl(η2-MeO2C≡CCO2Me)(PPh3). Treatment of Cp*OsCl(PPh3)2 with the propargylic alcohol HC≡CC(OH)Ph2 gave the osmium allenylidene complex Cp*OsCl(=C = C=CPh2)(PPh3). The outcomes of the reactions of Cp*OsCl(PPh3)2 with ω-alkynols HC≡C(CH2)nOH are dependent on the length of the -(CH2)n- linker. The reaction with 3-butyn-1-ol produced the cyclic oxycarbene complex Cp*OsCl{=C(CH2)3O}(PPh3) exclusively. The reactions with 4-pentyn-1-ol produced a mixture of the hydroxyalkyl vinylidene complex Cp*OsCl{=C=CH(CH2)3OH}(PPh3) and the cyclic oxycarbene complex Cp*OsCl{=C(CH2)4O}(PPh3) in about 10:1 molar ratio. The reaction with 5-hexyn-1-ol gave exclusively the hydroxyalkyl vinylidene complex Cp*OsCl{=C=CH(CH2)4OH}(PPh3).
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Affiliation(s)
- Sunny Kai San Tse
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
- 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
- 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
- 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
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
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Ruan W, Yang T, Shi C, Bai W, Sung HHY, Williams ID, Lin Z, Jia G. Substituent Effect on the Reactions of OsCl2(PPh3)3 with o-Ethynylphenyl Carbonyl Compounds. Organometallics 2020. [DOI: 10.1021/acs.organomet.9b00810] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Wenqing Ruan
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Tilong Yang
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Chuan Shi
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Wei Bai
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Herman H. Y. Sung
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
| | - Ian D. 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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Albertin G, Antoniutti S, Castro J, Sibilla F. Pentamethylcyclopentadienyl osmium complexes that contain diazoalkane, dioxygen and allenylidene ligands: preparation and reactivity. Dalton Trans 2019; 48:3116-3131. [PMID: 30768111 DOI: 10.1039/c9dt00223e] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Diazoalkane complexes [Os(η5-C5Me5)(N2CAr1Ar2)(PPh3){P(OR)3}]BPh4 (1, 2) [R = Me (1), Et (2); Ar1 = Ar2 = Ph (a); Ar1 = Ph, Ar2 = p-tolyl (b); Ar1Ar2 = C12H8 (fluorenyl) (c)] were prepared by reacting bromo-compounds OsBr(η5-C5Me5)(PPh3){P(OR)3} with an excess of diazoalkane in ethanol. The treatment of diazoalkane complexes 1 and 2 with acetylene under mild conditions (1 atm, RT) led to dipolar (3 + 2) cycloaddition affording 3H-pyrazole derivatives [Os(η5-C5Me5)(η1-[upper bond 1 start]N[double bond, length as m-dash]NC(C12H8)CH[double bond, length as m-dash]C[upper bond 1 end]H)(PPh3){P(OR)3}]BPh4 (6, 7) [R = Me (6), Et (7)] whereas reactions with terminal alkynes R1C[triple bond, length as m-dash]CH (R1 = Ph, p-tolyl, COOMe) gave vinylidene derivatives [Os(η5-C5Me5){[double bond, length as m-dash]C[double bond, length as m-dash]C(H)R1}(PPh3){P(OR)3}]BPh4 (8b-d, 9b-d) [R = Me (8), Et (9); R1 = Ph (b), p-tolyl (c), COOMe (d)]. Exposure to air of dichloromethane solutions of complexes 1 and 2 produced dioxygen derivatives [Os(η5-C5Me5)(η2-O2)(PPh3){P(OR)3}]BPh4 (10, 11) [R = Me (10), Et (11)]. Allenylidene [Os][double bond, length as m-dash]C[double bond, length as m-dash]C[double bond, length as m-dash]CR1R2 (12-14) [R1 = R2 = Ph (12, 13); R1 = Ph, R2 = Me (14)], vinylvinylidene [Os][double bond, length as m-dash]C[double bond, length as m-dash]C(H)C(Ph)[double bond, length as m-dash]CH2 (15) and 3-hydroxyvinylidene [Os][double bond, length as m-dash]C[double bond, length as m-dash]C(H)C(H)R2(OH) (16, 17) [R2 = Ph (16), H (17)] derivatives were also prepared. The vinylidene complex [Os(η5-C5Me5)([double bond, length as m-dash]C[double bond, length as m-dash]CH2)(PPh3){P(OMe)3}]BPh4 (8a) reacted with PPh3 to afford the alkenylphosphonium derivative [Os(η5-C5Me5){η1-C(H)[double bond, length as m-dash]C(H)PPh3}(PPh3){P(OMe)3}]BPh4 (18) whereas vinylidene complexes 8 and 9 reacted with water leading to the hydrolysis of the alkyne and the formation of carbonyl complexes [Os(η5-C5Me5)(CO)(PPh3){P(OR)3}]BPh4 (19, 20). The complexes were characterised by spectroscopic data (IR and NMR) and by X-ray crystal structure determination of [Os(η5-C5Me5){[double bond, length as m-dash]C[double bond, length as m-dash]C(H)p-tolyl}(PPh3){P(OEt)3}]BPh4 (9c), [Os(η5-C5Me5)(η2-O2)(PPh3){P(OMe)3}]BPh4 (10) and [Os(η5-C5Me5)(CO)(PPh3){P(OMe)3}]BPh4 (19).
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Affiliation(s)
- Gabriele Albertin
- Dipartimento di Scienze Molecolari e Nanosistemi, Università Ca' Foscari Venezia, Via Torino 155, 30172 Venezia Mestre, Italy.
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Clayton HS. Crystal structure of dibromido-carbonyl-(η 6- p-cymene)osmium(II), C 11H 14Br 2OOs. Z KRIST-NEW CRYST ST 2018. [DOI: 10.1515/ncrs-2017-0227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
C11H14Br2OOs, monoclinic, P21/c (no. 14), a = 10.3844(5) Å, b = 6.7833(3) Å, c = 19.0379(9) Å, β = 102.143(2)°, V = 1311.03(11) Å3, Z = 4, R
gt(F) = 0.0258, wR
ref(F
2) = 0.0582, T = 173(2) K.
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Affiliation(s)
- Hadley S. Clayton
- Chemistry Department , University of South Africa , Pretoria , 0003, South Africa
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Albertin G, Antoniutti S, Botter A, Castro J. Preparation of Hydride-Ethylene Complexes of Osmium. Z Anorg Allg Chem 2016. [DOI: 10.1002/zaac.201500766] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Albertin G, Antoniutti S, Forcolin M, Gasparato D. Preparation of half-sandwich diazoalkane complexes of osmium. Polyhedron 2016. [DOI: 10.1016/j.poly.2015.11.021] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Müller AL, Wadepohl H, Gade LH. Bis(pyridylimino)isoindolato (BPI) Osmium Complexes: Structural Chemistry and Reactivity. Organometallics 2015. [DOI: 10.1021/acs.organomet.5b00080] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Astrid L. Müller
- Anorganisch-Chemisches
Institut, Universität Heidelberg, Im Neuenheimer Feld 276, 69120 Heidelberg, Germany
| | - Hubert Wadepohl
- Anorganisch-Chemisches
Institut, Universität Heidelberg, Im Neuenheimer Feld 276, 69120 Heidelberg, Germany
| | - Lutz H. Gade
- Anorganisch-Chemisches
Institut, Universität Heidelberg, Im Neuenheimer Feld 276, 69120 Heidelberg, Germany
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Albertin G, Antoniutti S, Bortoluzzi M, Botter A, Castro J. Reactivity of vinylidene complexes of ruthenium with hydrazines and hydroxylamines. Dalton Trans 2015; 44:3439-46. [DOI: 10.1039/c4dt03464c] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Reaction of vinylidene complexes of Ru with hydrazines and hydroxylamines affords nitrile derivatives and amine or water. A reaction path based on 15N NMR studies and DFT calculations is proposed.
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Affiliation(s)
- Gabriele Albertin
- Dipartimento di Scienze Molecolari e Nanosistemi
- Università Ca’ Foscari Venezia
- 30123 Venezia
- Italy
| | - Stefano Antoniutti
- Dipartimento di Scienze Molecolari e Nanosistemi
- Università Ca’ Foscari Venezia
- 30123 Venezia
- Italy
| | - Marco Bortoluzzi
- Dipartimento di Scienze Molecolari e Nanosistemi
- Università Ca’ Foscari Venezia
- 30123 Venezia
- Italy
| | - Alessandra Botter
- Dipartimento di Scienze Molecolari e Nanosistemi
- Università Ca’ Foscari Venezia
- 30123 Venezia
- Italy
| | - Jesús Castro
- Departamento de Química Inorgánica
- Universidade de Vigo
- Facultade de Química
- Edificio de Ciencias Experimentais
- 36310 Vigo
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Albertin G, Antoniutti S, Bortoluzzi M, Botter A, Castro J. Preparation of pyranylidene complexes of ruthenium. Dalton Trans 2015; 44:7411-8. [DOI: 10.1039/c5dt00418g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Dimerization of alkylpropiolate on the half-sandwich fragment [Ru(η5-C5H5)(PPh3){P(OMe)3}]+ affords pyranylidene derivatives.
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Affiliation(s)
- Gabriele Albertin
- Dipartimento di Scienze Molecolari e Nanosistemi
- Università Ca’ Foscari Venezia
- 30123 Venezia
- Italy
| | - Stefano Antoniutti
- Dipartimento di Scienze Molecolari e Nanosistemi
- Università Ca’ Foscari Venezia
- 30123 Venezia
- Italy
| | - Marco Bortoluzzi
- Dipartimento di Scienze Molecolari e Nanosistemi
- Università Ca’ Foscari Venezia
- 30123 Venezia
- Italy
| | - Alessandra Botter
- Dipartimento di Scienze Molecolari e Nanosistemi
- Università Ca’ Foscari Venezia
- 30123 Venezia
- Italy
| | - Jesús Castro
- Departamento de Química Inorgánica
- Universidade de Vigo
- Facultade de Química
- Edificio de Ciencias Experimentais
- 36310 Vigo
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10
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Herndon JW. The chemistry of the carbon-transition metal double and triple bond: Annual survey covering the year 2011. Coord Chem Rev 2013. [DOI: 10.1016/j.ccr.2013.05.011] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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11
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Talavera M, Bolaño S, Bravo J, Castro J, Garcı́a-Fontán S, Hermida-Ramón JM. Nucleophilic Attack in Methoxycarbenes: Heterolytic Cleavage of the Carbon (sp3)–Oxygen Bond versus Aminolysis. Organometallics 2013. [DOI: 10.1021/om400565c] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- M. Talavera
- Departamento de Quı́mica
Inorgánica and ‡Departamento
de Quı́mica Fı́sica, Universidad de Vigo, Campus Universitario, E-36310
Vigo, Spain
| | - S. Bolaño
- Departamento de Quı́mica
Inorgánica and ‡Departamento
de Quı́mica Fı́sica, Universidad de Vigo, Campus Universitario, E-36310
Vigo, Spain
| | - J. Bravo
- Departamento de Quı́mica
Inorgánica and ‡Departamento
de Quı́mica Fı́sica, Universidad de Vigo, Campus Universitario, E-36310
Vigo, Spain
| | - J. Castro
- Departamento de Quı́mica
Inorgánica and ‡Departamento
de Quı́mica Fı́sica, Universidad de Vigo, Campus Universitario, E-36310
Vigo, Spain
| | - S. Garcı́a-Fontán
- Departamento de Quı́mica
Inorgánica and ‡Departamento
de Quı́mica Fı́sica, Universidad de Vigo, Campus Universitario, E-36310
Vigo, Spain
| | - J. M. Hermida-Ramón
- Departamento de Quı́mica
Inorgánica and ‡Departamento
de Quı́mica Fı́sica, Universidad de Vigo, Campus Universitario, E-36310
Vigo, Spain
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Batuecas M, Esteruelas MA, Garcı́a-Yebra C, Oñate E. Osmium-Centered Oxetylidene: Formation and Cleavage. Organometallics 2012. [DOI: 10.1021/om3011323] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- María Batuecas
- Departamento de
Quı́mica Inorgánica-Instituto de Sı́ntesis
Quı́mica y Catálisis Homogénea (ISQCH), Universidad de Zaragoza-CSIC, 50009
Zaragoza, Spain
| | - Miguel A. Esteruelas
- Departamento de
Quı́mica Inorgánica-Instituto de Sı́ntesis
Quı́mica y Catálisis Homogénea (ISQCH), Universidad de Zaragoza-CSIC, 50009
Zaragoza, Spain
| | - Cristina Garcı́a-Yebra
- Departamento de
Quı́mica Inorgánica-Instituto de Sı́ntesis
Quı́mica y Catálisis Homogénea (ISQCH), Universidad de Zaragoza-CSIC, 50009
Zaragoza, Spain
| | - Enrique Oñate
- Departamento de
Quı́mica Inorgánica-Instituto de Sı́ntesis
Quı́mica y Catálisis Homogénea (ISQCH), Universidad de Zaragoza-CSIC, 50009
Zaragoza, Spain
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Albertin G, Antoniutti S, Castro J. Preparation and reactivity of half-sandwich hydrazine complexes of ruthenium and osmium. J Organomet Chem 2012. [DOI: 10.1016/j.jorganchem.2011.09.011] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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