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From Diphosphane to Diphosphodiide Gold( III ) Derivatives of 1,2‐Diphosphinobenzene
Author(s) -
Blanco M. Carmen,
Fernández Eduardo J.,
Olmos M. Elena,
Pérez Javier,
Laguna Antonio
Publication year - 2006
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.200501438
Subject(s) - iminium , chemistry , phosphide , ring (chemistry) , intramolecular force , reagent , triphenylphosphine , medicinal chemistry , bicyclic molecule , derivative (finance) , pnictogen , crystal structure , stereochemistry , combinatorial chemistry , crystallography , metal , organic chemistry , ion , physics , catalysis , superconductivity , quantum mechanics , financial economics , economics
Treatment of 1,2‐diphosphinobenzene with [Au(C 6 F 5 ) 3 (tht)] leads to the diphosphane derivative [{Au(C 6 F 5 ) 3 }(1,2‐PH 2 C 6 H 4 PH 2 )] ( 1 ), which further reacts with other pentafluorophenylgold( III ) reagents in the presence of acetylacetonate as deprotonating agent to afford phosphane–phosphide complexes. The noncyclic PPN[{Au(C 6 F 5 ) 3 } 2 (1,2‐PHC 6 H 4 PH 2 )] ( 2 ; PPN=bis(triphenylphosphine)iminium) has been shown to be a useful starting material for the synthesis of higher nuclearity cyclic or noncyclic diphosphide or even diphosphodiide derivatives through similar reactions. The crystal structures of the trinuclear anionic NBu 4 [{Au(C 6 F 5 ) 3 }(1,2‐PHC 6 H 4 PH){Au(C 6 F 5 ) 2 Cl}{μ‐Au(C 6 F 5 ) 2 }] ( 3 ) and the hexanuclear [{Au(C 6 F 5 ) 3 }(1,2‐PC 6 H 4 P){Au(C 6 F 5 ) 3 }{μ‐M(dppe)M} 2 ] (M=Au ( 12 ), Ag ( 13 )) have been established by X‐ray diffraction methods, the last complexes having a bicyclic ring containing three intramolecular interactions between the M I centres.