Monomere [Bis(diphenylphosphino)methan]platin-acetylid-Komplexe [1] / Monomeric [Bis(diphenylphosphino)methan]platinum Acetylide Complexes [1]
2014
Sebald, Angelika | Wrackmeyer, Bernd
The reaction of [dppmPtCl₂] (dppm = bis(diphenylphosphino)methane) with bis(alkynyl)-dimethylstannanes leads to monomeric complexes [dppmPt(C≡C−R)₂], 2 (R = H, CH₃, C₄H₉ᵗ, C₆H₅) in >90% yield. Rearrangement of 2 into the dimeric complexes 3, trans,trans- [Pt₂(C≡C−R)₄(dppm)₂] is catalyzed by traces of various phosphanes. All products are characterized by ¹H, ¹³C, ³¹P and ¹⁹⁵Pt NMR spectroscopy.
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