67407-89-0Relevant academic research and scientific papers
Synthesis and reactivity of a platinum(II) complex with a chelating dehydro(arylboronic anhydride) ligand. Transmetalation of arylboronic acid
Pantcheva, Ivayla,Osakada, Kohtaro
, p. 1735 - 1741 (2008/10/09)
The reaction of ArB(OH)2 (Ar = C6H4OMe-4, Ph, C6H4COMe-4) with PtI2(dppe) in THF in the presence of Ag2O and H2O at room temperature produced a Pt complex with a chelating dehydro(arylboronic anhydride) ligand, Pt(OBArOBArO)(dppe) (1a, Ar = C6H4OMe-4; 1b, Ar = Ph; 1c, Ar = C6H4COMe-4). The complexes were characterized by NMR spectroscopy and X-ray crystallography. Reactions of protonic acids, such as HCl, CF3COOH, and CH3COOH, with 1a yielded complexes with chloro and carboxylate ligands, PtX2(dppe) (2, X = Cl; 3, X = OCOCF3; 4, X = OCOMe). The complexes 1a - c react with arylboronic acids bearing the same aryl group as the ligands of the complexes to form diarylplatinum complexes, PtAr2(dppe) (5a, Ar = C6H 4OMe-4; 5b, Ar = Ph; 5c, Ar = C6H4COMe-4), respectively. Reactions of 4-MeCOC6H4B(OH)2 with Ib and of PhB(OH)2 with 1c in 2:1 molar ratios form mixtures of three diarylplatinum complexes in a statistical ratio.
UEBER DEN MECHANISMUS DER LICHT-INDUZIERTEN ELIMINIERUNG DES BIPHENYL-SYSTEMS AUS cis-BIS(PHENYL)PLATIN(II)-VERBINDUNGEN
Klotzbuecher, Rainer,Brune, Hans Albert
, p. 399 - 407 (2007/10/02)
We report the light-induced reductive elimination of the biphenyl system from compounds of the types bis(phenyl)2-1,2-bis(diphenylphosphano)ethan>platinum(II), bis(phenyl)2-cis-1,2-bis(diphenylphosphano)ethene>platinum(II) and bis(phenyl)2-1,2-bis(diphenylphosphano)benzene>platinum(II) with substituents in the platinum-bound phenyl rings.The elimination proceeds via a concerted reaction mechanism without any observable free radical involvement.
