Premium
Coordination Compounds of Coinage Metals with Vinylidenebis(diphenyl‐phosphane) and Its Disulfide and Their Reactivity towards Nucleophiles
Author(s) -
Fernández Eduardo J.,
Gimeno M. Concepción,
Jones Peter G.,
Laguna Antonio,
LópezdeLuzuriaga José M.,
Olmos Elena
Publication year - 1997
Publication title -
chemische berichte
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 0009-2940
DOI - 10.1002/cber.19971301026
Subject(s) - chemistry , nucleophile , denticity , ligand (biochemistry) , crystal structure , reactivity (psychology) , stereochemistry , medicinal chemistry , crystallography , catalysis , organic chemistry , medicine , biochemistry , receptor , alternative medicine , pathology
Vinylidenebis(diphenylphosphane) reacts with gold(I) or gold(III) compounds to give dinuclear {[{Au(C 6 F 5 )] 2 [(PPh 2 ) 2 CCH 2 {] or [Au{PPh 2 C(CH 2 )Ph 2 P)] 2 (ClO 4 ) 2 ] or mononuclear complexes ([Au(C 6 F 5 ) 3 (PPh 2 C(CH 2 )Ph 2 P)]}, respectively. The latter reacts with gold(I) or silver(I) compounds to afford dinuclear [[Au(C 6 F 5 ) 3 [PPh 2 C(CH 2 )Ph 2 P}AuX], XCl or C 6 F 5 ) or trinuclear species {[{Au(C 6 F 5 ) 3 {PPh 2 C(CH 2 )Ph 2 P{] 2 M]ClO 4 , MAu or Ag}. No addition of nucleophiles to the CC double bond is observed in these complexes, which contain the diphosphane acting as bridging or monodentate ligand. (SPPh 2 ) 2 CCH 2 reacts with AgClO 4 to give [Ag{SPPh 2 C(CH 2 )Ph 2 PS}] 2 ‐(ClO 4 ) 2 or[Ag[PPh 2 C(CH 2 )Ph 2 P] 2 ]ClO 4 . The crystal structure of [Au(C 6 F 5 ) 3 {PPh 2 C(CH 2 )Ph 2 P}Au(C 6 F 5 )] has been established by X‐ray crystallography, and confirms the expected square planar and linear geometry for the Au 111 and Au 1 centres, respectively.