Unexpected thiol-induced [2 + 2] coupling reaction using a doubly alkynyl bridging diplatinum complex as a precursor
- Berenguer, J.R. 1
- Forniés, J. 2
- Lalinde, E. 1
- Martínez, F. 2
- Sánchez, Luis . 2
- Serrano, B. 1
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1
Universidad de La Rioja
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2
Instituto de Nanociencia y Materiales de Aragón
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ISSN: 0276-7333
Año de publicación: 1998
Volumen: 17
Número: 9
Páginas: 1640-1642
Tipo: Artículo
beta Ver similares en nube de resultadosOtras publicaciones en: Organometallics
Resumen
Treatment of the dinuclear doubly alkynyl bridged diplatinum complex [trans-Pt(μ-η<sup>1</sup>:η<sup>2</sup>-C≡CR)-(C 6F5)(PPh3)]2 (2; R = CEtMeOH) with HSPh leads to the formation of the novel thiolate cyclobutene-diylidene heterobridged diplatinum complex {cis-(PPh3)-(C6F 5)Pt[μ-..-C..-(CEtMeOH)..-C(C=CEtMe)](μ-SPh)-Pt(C 6F5)(PPh3)} (3), which is formed by an unexpected net [2 + 2] cycloaddition reaction. This is the first example of a homobinuclear complex containing a cyclic C4(=CR′R″)R unsaturated bridging ligand.