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Übergangsmetall‐Silyl‐Komplexe, 36 Zur Frage von Gold‐Gold‐Wechselwirkungen bei Ph 2 P[CH 2 ] 1(2) PPh 2 verbrückten zweikernigen Gold‐Silyl‐Komplexen
Author(s) -
Piana Hermann,
Wagner Herbert,
Schubert Ulrich
Publication year - 1991
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.19911240110
Subject(s) - chemistry , silylation , medicinal chemistry , transition metal , metal , aryl , stereochemistry , crystallography , catalysis , organic chemistry , alkyl
Transition‐Metal Silyl Complexes, 36 1) . — On the Question of Gold‐Gold Interactions in Ph 2 P[CH 2 ] t(2) PPh 2 ‐Bridged Dinuclear Gold Silyl Complexes Dinuclear silyl gold complexes of the type dppm(AuSiR 3 ) 2 ( 1 ) or dppe(AuSiR 3 ) 2 ( 2 ) are prepared by the reaction of dppm‐(AuCl) 2 or dppe(AuCl) 2 with two equivalents of LiSi(aryl) 3 or LiSi(SiMe 3 ) 3 The complex dppe[AuSi(SiMe 3 ) 3 ] 2 ( 2 c ) exhibits crystallographic inversion symmetry, and therefore the distance between both gold atoms is a maximum. In dppm‐(AuSiPh 3 ) 2 ( 1b ) a gold‐gold interaction between both gold atoms is observed [Au — Au 316.80(3) pm].