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Rhodium(I) and Rhodium(III) Complexes Formed by Coordination and CH Activation of Bulky Functionalized Phosphanes by Giuseppe Canepa; Carsten D. Brandt; Kerstin Ilg; Justin Wolf; Helmut Werner is a Chemistry article available to read on EtoBox.

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## Abstract The reaction of [{RhCl(C~8~H~14~)~2~}~2~] (2) with __i__Pr~2~PCH~2~CH~2~C~6~H~5~ (L^1^) led, via the isolated dimer [{RhCl(C~8~H~14~)(L^1^)}~2~] (3), to a mixture of three products 4 a–c, of which the dinuclear complex [{RhCl(L^1^)~2~}~2~] (4 a) was characterized by Xray crystallography. The mixture of 4a–c reacts with CO, ethene, and phenylacetylene to give the square‐planar compounds __trans__‐[RhCl(L)(L^1^)~2~] (L=CO (5), C~2~H~4~ (6), CCHPh (9)). The corresponding allenylidene(chloro) complex __trans__‐[RhCl(CCCPh~2~)(L^1^)~2~] (11), obtained from 4 a–c and HCCC(OH)Ph~2~ via __trans__‐[RhCl{CCHC(OH)Ph~2~}(L^1^)~2~] (10), could be converted stepwise to the related hydroxo, cationic aqua, and cationic acetone derivatives 12—14, respectively. Treatment of 2 and [{RhCl(C~2~H~4~)~2~}~2~] (7) with two equivalents of __t__Bu~2~PCH~2~CH~2~C~6~H~5~ (L^2^) gave the dimers [{RhCl(C~8~H~14~)(L^2^)}~2~] (15) and [{RhCl(C~2~H~4~)(L^2^)}~2~] (16), which both react with L^2^ in the molar ratio of 1:2 to afford the five‐coordinate aryl(hydrido)rhodium(III) complex [RhHCl(C~6~H~4~CH~2~CH~2~P__t__Bu~2~‐__κ__^2^__C__,__P__)(L^2^)] (17) by CH activation. The course of the reacti

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Author

Giuseppe Canepa; Carsten D. Brandt; Kerstin Ilg; Justin Wolf; Helmut Werner

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Ltd.; Wiley (ISSN 0947-6539)

Published

2003

Language

EN

Field

Chemistry (Physical Sciences)