The cis influence of a series of anionic ligands X and Y has been evaluated through the magnitude of the Pt–P coupling constants for compounds of formula trans-[PtXY(PPh3)2]. The order of decreasing cis influence was found to be I > Cl > SePh ~ SPh ~ SEt > NO3 > AcO ~ NO2 > H > Me > Ph > mtc (mtc = N,N-dimethylmonothiocarbamato-S); moreover, the cis influences of the various ligands was found to be additive. The X-ray structures of three representative compounds (t-4: X = Cl, Y = NO3; t-5: X = Cl, Y = AcO; t-12: X = Y = NO2) have also been determined.
cis Influence in trans-Pt(PPh3)2 complexes / L. Rigamonti, C.P.M. Manassero, M. Rusconi, M. Manassero, A. Pasini. - In: DALTON TRANSACTIONS. - ISSN 1477-9226. - 2009:7(2009), pp. 1206-1213.
cis Influence in trans-Pt(PPh3)2 complexes
L. RigamontiPrimo
;C.P.M. ManasseroPenultimo
;M. ManasseroPenultimo
;A. PasiniUltimo
2009
Abstract
The cis influence of a series of anionic ligands X and Y has been evaluated through the magnitude of the Pt–P coupling constants for compounds of formula trans-[PtXY(PPh3)2]. The order of decreasing cis influence was found to be I > Cl > SePh ~ SPh ~ SEt > NO3 > AcO ~ NO2 > H > Me > Ph > mtc (mtc = N,N-dimethylmonothiocarbamato-S); moreover, the cis influences of the various ligands was found to be additive. The X-ray structures of three representative compounds (t-4: X = Cl, Y = NO3; t-5: X = Cl, Y = AcO; t-12: X = Y = NO2) have also been determined.
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