182953-47-5Relevant academic research and scientific papers
1,1-Phosphaboration of CC and CC bonds at gold
Theulier, Cyril A.,García-Rodeja, Yago,Saffon-Merceron, Nathalie,Miqueu, Karinne,Bouhadir, Ghenwa,Bourissou, Didier
, p. 347 - 350 (2021)
The phosphine-borane iPr2P(o-C6H4)BFXyl2 (Fxyl = 3,5-(F3C)2C6H3) was found to react with gold(i) alkynyl and vinyl complexes via an original 1,1-phosphaboration process. Zwitterionic complexes resulting from Au to B transmetallation have been authenticated as key intermediates. X-ray diffraction analyses show that the alkynyl-borate moiety remains pendant while the vinyl-borate is side-on coordinated to gold. According to DFT calculations, the phosphaboration then proceeds in a trans stepwise manner via decoordination of the phosphine, followed by anti nucleophilic attack to the π-CC bond activated by gold. The boron center acts as a relay and tether for the organic group. This journal is
Photophysical properties and crystal structures of luminescent phenylethynylgold(I) complexes of alkyl and aryl isocyanides
Xiao, Hong,Cheung, Kung-Kai,Che, Chi-Ming
, p. 3699 - 3704 (2007/10/03)
Several phenylethynylgold(I) complexes were prepared by treating C-Ph)>> with 2,5-diisocyano-2,5-dimethylhexane (L1), (1,8-diisocyano-p-menthane (L2) and 2,6-dimethylphenyl isocyanide in dichloromethane.The intermolecular Au...Au separations established by X-ray crystal analyses are 3.329(4), 3.565(2) and 3.485(3) Angstroem for the crystals of CPh)(CNC6H3Me2-2,6)>, CPh)>2L1> and CPh)>2L2>respectively.These gold(I) complexes have long-lived and emissive 3(??*) excited states in fluid solutions at room temperature.The photoredox properties of CPh)(CNC6H3Me2-2,6)> have been studied by Stern-Volmer quenching experiments, and its excited-state redox potential Edeg(Au+-Au0*) is -1.62(1) V νs. saturated sodium chloride calomel electrode.
