1999
DOI: 10.1039/a902139f
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A new synthetic route to ligands of the general composition R2PCH2ER′2 (E = P, As) and some rhodium complexes derived thereof

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Cited by 31 publications
(39 citation statements)
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“…In contrast, carbon-linked varieties are predominantly functionalised at phosphorus [41][42][43][44][45][46][47][48][49][50][51][52][53][54][55][56][57], with backbone functionalisation being far less widely studied [58][59][60][61][62][63][64]. This is due to the synthetic methods widely utilised (Eqs.…”
Section: Introductionmentioning
confidence: 88%
“…In contrast, carbon-linked varieties are predominantly functionalised at phosphorus [41][42][43][44][45][46][47][48][49][50][51][52][53][54][55][56][57], with backbone functionalisation being far less widely studied [58][59][60][61][62][63][64]. This is due to the synthetic methods widely utilised (Eqs.…”
Section: Introductionmentioning
confidence: 88%
“…Im Zusammenhang mit unseren Arbeiten über Metallkomplexe mit funktionalisierten Phosphanen, die als hemilabile Chelatliganden fungieren [2,3], haben wir in jüngster Zeit zunächst Phosphino(stibino)methane [4] und danach auch die ersten Vertreter von Arsino(phosphino)methanen mit ausschließlich Alkylgruppen an den Donoratomen hergestellt [5] und in orientierenden Studien ihre Koordinationsfähigkeit gegenüber Rhodium(I) [5,6] und Palladium(II) untersucht [7]. Die vorliegende Arbeit beschreibt die Ausdehnung dieser Studien und stellt vor allem die ersten Zweikernkomplexe des Rhodiums vom "A-frame"-Typ mit Arsino(phosphino)methanen als Brückenliganden vor.…”
Section: Imunclassified
“…In diesem Fall (d.h. bei einer trans-Stellung P-Rh-CH 3 ) wäre eine wesentlich größere 13 C-31 P-Kopplungskonstante als 10. 5 Hz für das Signal des CH 3 -Kohlenstoffatoms im 13 C-NMR-Spektrum zu erwarten [17]. Wahrscheinlicher ist eine Konfiguration, bei der die Methylgruppe und das Iodid trans-ständig sind oder bei der die AstBu 2 -und die PiPr 2 -Einheit ihre Plätze getauscht haben.…”
Section: Neutrale Und Kationische Rhodiumkomplexe Mit R 2 Asch 2 Piprunclassified
“…[1,2] While the methane derivatives R 2 PCH 2 ERЈ 2 were prepared from the stannylated phosphanes R 2 PCH 2 SnRЈЈ 3 by metalation with MeLi or PhLi in the presence of tetramethylethylenediamine followed by treatment with RЈ 2 PCl or RЈ 2 AsCl, [1] the corresponding disubstituted ethanes R 2 PCH 2 CH 2 ERЈ 2 were obtained in a one-pot reaction from the cyclic sulfate C 2 H 4 O 2 SO 2 by stepwise addition of RЈ 2 ELi and R 2 PLi, respectively. The latter method is also suitable for the preparation of chiral bidentate P,P donors of the general composition R 2 PCH 2 CH(Me)PPh 2 and R 2 PCH 2 CH 2 CH(Me)-PPh 2 where the substituent R is a bulky alkyl or cycloalkyl group such as iPr, tBu, or C 6 H 11 .…”
Section: Introductionmentioning
confidence: 99%
“…[2,3] In the initial phase of these studies, we tested the coordination properties of the new ligands toward rhodium(I) and isolated a series of square-planar and half-sandwichtype complexes including [Rh(η 4 -C 8 H 12 )(κ 2 -RPh 2 PCH(Me)CH 2 PCy 2 )]PF 6 [3] and [(η 6 -C 6 H 5 R)Rh(κ 2 -Cy 2 PCH 2 PiPr 2 )]PF 6 (R ϭ H, Me). [1] In this paper we report the synthesis of a series of ruthenium(II) compounds with both Ph 2 PCH 2 CH 2 PR 2 and Ph 2 PCH 2 CH 2 AstBu 2 as chelating ligands and η 3 -2-methallyl, pentachlorphenolate, and acetylacetonates as ancillary bidentate units. Some preliminary results of this work have already been communicated.…”
Section: Introductionmentioning
confidence: 99%