The Versatile Behavior of Platinum Alkyne Complexes towards XeF₂: Formation of Fluorovinyl and Fluorido Complexes

Abstract

Reactions of platinum(0) tolane complexes, bearing a chelating ligand with P and N donor atoms, with the electrophilic fluorinating agent XeF give facile access to platinum(II) β-fluorovinyl fluorido complexes. A series of new platinum(II) β-fluorovinyl complexes have been synthesized and were structurally characterized. Further oxidation with XeF led to ortho-metalated platinum(IV) fluorido compounds. Additional reactions of platinum(0) tolane complexes, bearing a chelating P,P donor ligand, with XeF led to a variety of fluorido and fluorovinyl complexes.

Stabilisierung von Lewis‐azidem AuF3 mithilfe eines N‐heterocyclischen Carbens: Herstellung und Charakterisierung von [AuF3(SIMes)]

“…[1] Der Fluoridoligand in trans-Position zum Carbenliganden scheint schwächer an das Gold(III)-Zentralatom gebunden zu sein als die beiden anderen Fluoratome,w as Chancen fürd ie Entwicklung von Fluorierungsreaktionen erçffnet. [37] Danksagung Wird anken dem Graduiertenkolleg "Fluor als Schlüsselelement", gefçrdert von der Deutschen Forschungsgemeinschaft (GRK 1582). Dem Soroban High-Performance Computing System der Freien UniversitätB erlin sei fürR echenressourcen gedankt.…”

A C^N Cycloplatinated(II) Fluorido Complex: Photophysical Studies and Csp3‒F Bond Formation

“…The bond length of Pt-F is 2.042 Å, in the typical range of tetracoordinated platinum fluorido complexes. [23][24][25][26][27][28] The platinum adopts a distorted-square-planar coordination geometry with angles ranging from 81.38 to 98.88°; the maximum deviation from the mean plane through PtCNPF is 0.018 Å. The fluorido ligand involves hydrogen bonding interactions with co-crystallized CH2Cl2 solvent 43 (1.950 Å, Figure 2), H 6 of ppy ligand 42 (2.306 Å), and one hydrogen from PPh3 (2.209 Å) of the vicinal molecule.…”

“…16 Our groups have been actively studying cycloplatinated complexes due to their intriguing photophysical and biological properties. [17][18][19][20][21][22] Some Pt(II) [23][24][25][26][27][28] and Pt(IV) [29][30][31][32][33][34][35][36][37] fluoride complexes are known in literature, however, cycloplatinated complexes bearing a Pt-F bond are unprecendented. [38][39][40] To the best of our knowledge, only one report discussed the halide effect on the photophysical properties of Pt(IV) complexes involving all the F, Cl, Br, and I ligands.…”

Synthesis of Monofluoroalkenes: A Leap Forward

“…Braun and co-workers studied the peculiar behavior of platinum-alkyne complexes with XeF 2 , which gave 2-fluorovinylplatinum(II) complexes (Scheme 231); 220 increasing the amount of XeF 2 from 1 to 2 equivalents gave platinum(IV) complexes.…”