Treatment of tetrakis(tripheny1phosphine)platinum with elemental selenium (red or vitreous) in toluene solution under reflux yields an insoluble solid. This dissolves in dichloromethane with reaction, eventually to form a I : I mixture of [PtCl,(PPh,)J and the new compound [Pt(Se,CH,) (PPh,)J, which
Synthesis and characterization of platinum – selenium derivatives: X-ray structure oftrans-Pt(PEt3)2(SePh)2
✍ Scribed by Martin D. Rudd; Sergey V. Lindeman
- Publisher
- Springer
- Year
- 2007
- Tongue
- English
- Weight
- 297 KB
- Volume
- 37
- Category
- Article
- ISSN
- 1572-8854
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As(SirBuMe,), (1) was prepared by the salt-elimination reaction between (Na/K), As and 'BuMe,SiCI. Mixing LiAs(SiMe,), with Ph,SiCl (1:l) yielded As(SiMe,),(SiPh,) (2) in a good crystalline yield. Reaction of 2 (1:I) with Et,Ga gave the expected Lewis acid-base adduct Et,Ga \* As(SiMe,),(SiPh,) (3).
## Reactions of PhAsCl 2 with BrMg(CH 2 ) n MgBr (n = 4 or 5) in THF gave phenylarsacycloalkanes as colourless oily liquids which could be distilled under vacuum. Treatment of PhAs C (CH 2 ) n with MCl 2 (RCN) 2 (M = Pd or Pt; R = Ph or Me) afforded mononuclear complexes, [MCl 2 {PhAs C (CH 2 ) n