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Benedetti M, De Castro F, Lamacchia V, Pacifico C, Natile G, Fanizzi FP. Insertion of terminal alkyne into Pt-N bond of the square planar [PtI 2(Me 2phen)] complex. Dalton Trans 2017; 46:15819-15826. [PMID: 29099524 DOI: 10.1039/c7dt03644b] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The reactivity of [PtX2(Me2phen)] complexes (X = Cl, Br, I; Me2phen = 2,9-dimethyl-1,10-phenanthroline) with terminal alkynes has been investigated. Although the dichlorido species [PtCl2(Me2phen)] exhibits negligible reactivity, the bromido and iodido derivatives lead in short time to the formation of five-coordinate Pt(ii) complexes of the type [PtX2(Me2phen)(η2-CH[triple bond, length as m-dash]CR)] (X = Br, I; R = Ph, n-Bu), in equilibrium with the starting reagents. Similar to analogous complexes with simple acetylene, the five coordinate species can also undergo dissociation of an halido ligand and formation of the transient square-planar cationic species [PtX(Me2phen)(η2-CH[triple bond, length as m-dash]CR)]+. This latter can further evolve to give an unusual, sparingly soluble square planar product where the former terminal alkyne is converted into a :C[double bond, length as m-dash]C(H)(R) moiety with the α-carbon bridging the Pt(ii) core with one of the two N-donors of coordinated Me2phen. The final product [PtX2{κ2-N,C-(Z)-N[combining low line]1-N10-C[combining low line][double bond, length as m-dash]C(H)(R)}] (N1-N10 = 2,9-dimethyl-1,10-phenanthroline; X = Br, I) contains a Pt-N-C-C-N-C six-membered chelate ring in a square planar Pt(ii) coordination environment.
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Affiliation(s)
- Michele Benedetti
- Dipartimento di Scienze e Tecnologie Biologiche ed Ambientali, Università del Salento, Via Monteroni, I-73100 Lecce, Italy.
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Cucciolito ME, D’Amora A, Vitagliano A. Catalytic Hydroalkylation of Olefins by Stabilized Carbon Nucleophiles Promoted by Dicationic Platinum(II) and Palladium(II) Complexes. Organometallics 2010. [DOI: 10.1021/om1006787] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Maria E. Cucciolito
- Dipartimento di Chimica “Paolo Corradini”, Università di Napoli “Federico II”, Complesso Universitario di Monte S. Angelo, Via Cintia, I-80126 Napoli, Italy
| | - Angela D’Amora
- Dipartimento di Chimica “Paolo Corradini”, Università di Napoli “Federico II”, Complesso Universitario di Monte S. Angelo, Via Cintia, I-80126 Napoli, Italy
| | - Aldo Vitagliano
- Dipartimento di Chimica “Paolo Corradini”, Università di Napoli “Federico II”, Complesso Universitario di Monte S. Angelo, Via Cintia, I-80126 Napoli, Italy
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Mas-Ballesté R, Champkin PA, Clegg W, González-Duarte P, Lledós A, Ujaque G. Unusual C−H Allylic Activation in the {PtII(cod)} Fragment Bonded to a {Pt2(μ-S)2} Core. Organometallics 2004. [DOI: 10.1021/om034312x] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Rubén Mas-Ballesté
- Departament de Química, Universitat Autònoma de Barcelona, E-08193 Bellaterra, Barcelona, Spain, and School of Natural Sciences (Chemistry), University of Newcastle, Newcastle upon Tyne NE1 7RU, U.K
| | - Paul A. Champkin
- Departament de Química, Universitat Autònoma de Barcelona, E-08193 Bellaterra, Barcelona, Spain, and School of Natural Sciences (Chemistry), University of Newcastle, Newcastle upon Tyne NE1 7RU, U.K
| | - William Clegg
- Departament de Química, Universitat Autònoma de Barcelona, E-08193 Bellaterra, Barcelona, Spain, and School of Natural Sciences (Chemistry), University of Newcastle, Newcastle upon Tyne NE1 7RU, U.K
| | - Pilar González-Duarte
- Departament de Química, Universitat Autònoma de Barcelona, E-08193 Bellaterra, Barcelona, Spain, and School of Natural Sciences (Chemistry), University of Newcastle, Newcastle upon Tyne NE1 7RU, U.K
| | - Agustí Lledós
- Departament de Química, Universitat Autònoma de Barcelona, E-08193 Bellaterra, Barcelona, Spain, and School of Natural Sciences (Chemistry), University of Newcastle, Newcastle upon Tyne NE1 7RU, U.K
| | - Gregori Ujaque
- Departament de Química, Universitat Autònoma de Barcelona, E-08193 Bellaterra, Barcelona, Spain, and School of Natural Sciences (Chemistry), University of Newcastle, Newcastle upon Tyne NE1 7RU, U.K
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Bandoli G, Dolmella A, Di Masi NG, Fanizzi FP, Maresca L, Natile G. Sequential Deprotonation of Olefins in the Coordination Sphere of Platinum(II): Occurrence and Synthetic Aspects. Organometallics 2002. [DOI: 10.1021/om020279n] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Giuliano Bandoli
- Dipartimento Farmaco-Chimico, Università di Bari, via E. Orabona, 4, I-70125 Bari, Italy, Dipartimento di Scienze e Tecnologie Biologiche ed Ambientali, Università di Lecce, Via Monteroni, I-73100 Lecce, Italy, Consortium CARSO, Cancer Research Center, I-70010 Valenzano-Bari, Italy, and Dipartimento di Scienze Farmaceutiche, Università di Padova, via Marzolo 5, I-35131 Padova, Italy
| | - Alessandro Dolmella
- Dipartimento Farmaco-Chimico, Università di Bari, via E. Orabona, 4, I-70125 Bari, Italy, Dipartimento di Scienze e Tecnologie Biologiche ed Ambientali, Università di Lecce, Via Monteroni, I-73100 Lecce, Italy, Consortium CARSO, Cancer Research Center, I-70010 Valenzano-Bari, Italy, and Dipartimento di Scienze Farmaceutiche, Università di Padova, via Marzolo 5, I-35131 Padova, Italy
| | - Nicola G. Di Masi
- Dipartimento Farmaco-Chimico, Università di Bari, via E. Orabona, 4, I-70125 Bari, Italy, Dipartimento di Scienze e Tecnologie Biologiche ed Ambientali, Università di Lecce, Via Monteroni, I-73100 Lecce, Italy, Consortium CARSO, Cancer Research Center, I-70010 Valenzano-Bari, Italy, and Dipartimento di Scienze Farmaceutiche, Università di Padova, via Marzolo 5, I-35131 Padova, Italy
| | - Francesco P. Fanizzi
- Dipartimento Farmaco-Chimico, Università di Bari, via E. Orabona, 4, I-70125 Bari, Italy, Dipartimento di Scienze e Tecnologie Biologiche ed Ambientali, Università di Lecce, Via Monteroni, I-73100 Lecce, Italy, Consortium CARSO, Cancer Research Center, I-70010 Valenzano-Bari, Italy, and Dipartimento di Scienze Farmaceutiche, Università di Padova, via Marzolo 5, I-35131 Padova, Italy
| | - Luciana Maresca
- Dipartimento Farmaco-Chimico, Università di Bari, via E. Orabona, 4, I-70125 Bari, Italy, Dipartimento di Scienze e Tecnologie Biologiche ed Ambientali, Università di Lecce, Via Monteroni, I-73100 Lecce, Italy, Consortium CARSO, Cancer Research Center, I-70010 Valenzano-Bari, Italy, and Dipartimento di Scienze Farmaceutiche, Università di Padova, via Marzolo 5, I-35131 Padova, Italy
| | - Giovanni Natile
- Dipartimento Farmaco-Chimico, Università di Bari, via E. Orabona, 4, I-70125 Bari, Italy, Dipartimento di Scienze e Tecnologie Biologiche ed Ambientali, Università di Lecce, Via Monteroni, I-73100 Lecce, Italy, Consortium CARSO, Cancer Research Center, I-70010 Valenzano-Bari, Italy, and Dipartimento di Scienze Farmaceutiche, Università di Padova, via Marzolo 5, I-35131 Padova, Italy
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