Reagent-dependent formation of C-C and C-F bonds in Pt complexes: an unexpected twist in the electrophilic fluorination chemistry.
Cyclometalated platinum(II) complexes (C-P)Pt(Aryl)py undergo oxidative addition reaction upon treatment with electrophilic fluorination reagents, XeF(2) or N-fluoro-2,4,6-trimethylpyridinium tetrafluoroborate, giving eventually products of C-C coupling. However, when aryl = mesityl, the two reagents give completely different products: the N-F salt still favors the C-C coupling reaction while XeF(2) gives the unprecedented benzylic fluorination of one of the ortho-methyl groups of the mesityl ligand.
Kaspi
Ariela W
AW
School of Chemistry, The Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv 69978, Israel.
Goldberg
Israel
I
Vigalok
Arkadi
A
D018360:Crystallography, X-Ray; D005461:Fluorine / Q000737:chemistry*; D054879:Halogenation; D007202:Indicators and Reagents / Q000138:chemical synthesis / Q000737:chemistry; D008958:Models, Molecular; D015394:Molecular Structure; D009944:Organoplatinum Compounds / Q000138:chemical synthesis* / Q000737:chemistry*; D013237:Stereoisomerism
D007202:Indicators and Reagents; D009944:Organoplatinum Compounds; D005461:Fluorine