1989
DOI: 10.1002/cber.19891220203
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Übergangsmetall‐Silyl‐Komplexe, 26. Gold(I)‐Silyl‐Komplexe

Abstract: 223Komplexe des Typs LAu-SiR3 mit L = PR; oder PhNC und SiR3 = Si(ar~l)~, Si(SiMe,), oder SiPhzMe wurden durch Umsetzung von L-Au-CI mit LiSiR3 dargestellt. Ihre Stabilitat sinkt in Abhingigkeit von L und R in der Reihenfolge R;P-Au-Si(aryl)3 > R;P-Au-Si(SiMe,), > R;P-Au-SiPhzMe x PhNC-Au-SiR3.Umsetzung von R;P-Au-CH3 oder R;P-Au-OAc rnit HSiR, ergibt keine Silyl-Komplexe, bei Verwendung chlorierter Silane, HSi-R2CI, lindet lediglich CHJCI-bzw. OAc/Cl-Austausch statt. Das MoBbauer-Spektrum von MePhzP-Au-SiPh3 … Show more

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Cited by 54 publications
(18 citation statements)
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“…O u r stu d ies w ere m ore su ccessfu l w hen w o rk ing w ith the sm a lle r te rtiary p h o sp h in es, and the trim e th y lp h o sp h in e h o m o lo g u e co u ld finally be cry stallized : (P h 2M e P )A u S iP h 3 is also a m on o m er [ 11], an d it is o n ly the partially h alo g en ated anion [C lA u S iP h^]-w hich features auro p h ilic bon d in g w h en asso cia te d w ith the [(P h3P )2A u ]+ cation [ 12]. //z rra m o le cu la r A u -A u contacts are observed in (d p p m )(A u S iP h 3)2 [13].…”
Section: Resultsmentioning
confidence: 97%
“…O u r stu d ies w ere m ore su ccessfu l w hen w o rk ing w ith the sm a lle r te rtiary p h o sp h in es, and the trim e th y lp h o sp h in e h o m o lo g u e co u ld finally be cry stallized : (P h 2M e P )A u S iP h 3 is also a m on o m er [ 11], an d it is o n ly the partially h alo g en ated anion [C lA u S iP h^]-w hich features auro p h ilic bon d in g w h en asso cia te d w ith the [(P h3P )2A u ]+ cation [ 12]. //z rra m o le cu la r A u -A u contacts are observed in (d p p m )(A u S iP h 3)2 [13].…”
Section: Resultsmentioning
confidence: 97%
“…SiR}(NCAr)] (L) [7], while parameters associated with the atoms I and Ag (3) or Au (4) are to be found in Table 4. The Au-Si distance in 4 may be compared with the 2.356(2) Å in [Au(SiR 3 )(PMePh 2 )] [22]; Ag-Si-containing compounds were not found in the Cambridge Crystallographic Data Base [23]. The Li-I distances (see Table 4) in 3 and 4 are very short with the Li(2)-I distance being close to the value (2.54 Å ) reported for the gaseous molecule [Li(l-I)] 2 [24] and are much shorter than Li-I (bridging or terminal) distances found in solvated lithium iodide (e.g., 2.822(6) and 2.840(6) Å in [LiI(NEt 3 )] 4 [25], 2.75(3) and 2.67(3) Å in [LiI(pmdeta)] [26]).…”
Section: The 3-sila-b-diketiminatotris(triphenylphosphine)-copper(i)-mentioning
confidence: 99%
“…Most of the gold-silicon compounds whose molecular structures have been reported so far were obtained by reacting phosphine-gold(I) chlorides with triorganosilyl lithium salts [70,71,73]. Typical examples are (MePh 2 P)AuSiPh 3 74, (MePh 2 P)AuSi (SiMe 3 ) 3 75 and (Me 3 P)AuSiPh 3 76 (Figure 4.23a), whose crystals contain discrete molecules with an Au-Si bond of about 2.36 Å and almost linear P-Au-Si fragments (Table 4.4).…”
Section: Gold-silicon Compoundsmentioning
confidence: 99%