Synthesis and structure of the {(2-phosphinoethyl)silyl}-tris(tertiary phosphine)iridium(I) complex Ir{η2-Me2Si(CH2)2PPh 2}(PMe3)3

Masaaki Okazaki; Hiromi Tobita; Hiroshi Ogino

doi:10.1021/om9601312

Synthesis and structure of the {(2-phosphinoethyl)silyl}-tris(tertiary phosphine)iridium(I) complex Ir{η²-Me₂Si(CH₂)₂PPh ₂}(PMe₃)₃

Masaaki Okazaki, Hiromi Tobita, Hiroshi Ogino

SCI - Chemistry

Research output: Contribution to journal › Article › peer-review

25 Citations (Scopus)

Abstract

The hydridomethyl(silyl)iridium(III) complex Ir{η²-Me₂Si(CH₂)₂PPh ₂}(PMe₃)₂ (2) reacted quantitatively with PMe₃ at 60 °C to give the {(2-phosphinoethyl)silyl}tris(tertiary phosphine)iridium(I) complex Ir{η²-Me₂Si(CH₂)₂PPh ₂}(PMe₃)₃ (3) as reddish orange crystals through the reductive elimination of methane. X-ray crystal structure analysis revealed that 3 adopts a slightly distorted five-coordinate, trigonal-bipyramidal geometry with the silyl ligand occupying an axial site. Complex 3 generates the 16e silyliridium(I) complex Ir{η²-Me₂Si(CH₂)₂PPh ₂}(PMe₃)₂ (A) easily at room temperature.

Original language	English
Pages (from-to)	2790-2793
Number of pages	4
Journal	Organometallics
Volume	15
Issue number	12
DOIs	https://doi.org/10.1021/om9601312
Publication status	Published - 1996 Jun 11

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Organic Chemistry
Inorganic Chemistry

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title = "Synthesis and structure of the {(2-phosphinoethyl)silyl}-tris(tertiary phosphine)iridium(I) complex Ir{η2-Me2Si(CH2)2PPh 2}(PMe3)3",

abstract = "The hydridomethyl(silyl)iridium(III) complex Ir{η2-Me2Si(CH2)2PPh 2}(PMe3)2 (2) reacted quantitatively with PMe3 at 60 °C to give the {(2-phosphinoethyl)silyl}tris(tertiary phosphine)iridium(I) complex Ir{η2-Me2Si(CH2)2PPh 2}(PMe3)3 (3) as reddish orange crystals through the reductive elimination of methane. X-ray crystal structure analysis revealed that 3 adopts a slightly distorted five-coordinate, trigonal-bipyramidal geometry with the silyl ligand occupying an axial site. Complex 3 generates the 16e silyliridium(I) complex Ir{η2-Me2Si(CH2)2PPh 2}(PMe3)2 (A) easily at room temperature.",

author = "Masaaki Okazaki and Hiromi Tobita and Hiroshi Ogino",

year = "1996",

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doi = "10.1021/om9601312",

language = "English",

volume = "15",

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journal = "Organometallics",

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T1 - Synthesis and structure of the {(2-phosphinoethyl)silyl}-tris(tertiary phosphine)iridium(I) complex Ir{η2-Me2Si(CH2)2PPh 2}(PMe3)3

AU - Okazaki, Masaaki

AU - Tobita, Hiromi

AU - Ogino, Hiroshi

PY - 1996/6/11

Y1 - 1996/6/11

N2 - The hydridomethyl(silyl)iridium(III) complex Ir{η2-Me2Si(CH2)2PPh 2}(PMe3)2 (2) reacted quantitatively with PMe3 at 60 °C to give the {(2-phosphinoethyl)silyl}tris(tertiary phosphine)iridium(I) complex Ir{η2-Me2Si(CH2)2PPh 2}(PMe3)3 (3) as reddish orange crystals through the reductive elimination of methane. X-ray crystal structure analysis revealed that 3 adopts a slightly distorted five-coordinate, trigonal-bipyramidal geometry with the silyl ligand occupying an axial site. Complex 3 generates the 16e silyliridium(I) complex Ir{η2-Me2Si(CH2)2PPh 2}(PMe3)2 (A) easily at room temperature.

AB - The hydridomethyl(silyl)iridium(III) complex Ir{η2-Me2Si(CH2)2PPh 2}(PMe3)2 (2) reacted quantitatively with PMe3 at 60 °C to give the {(2-phosphinoethyl)silyl}tris(tertiary phosphine)iridium(I) complex Ir{η2-Me2Si(CH2)2PPh 2}(PMe3)3 (3) as reddish orange crystals through the reductive elimination of methane. X-ray crystal structure analysis revealed that 3 adopts a slightly distorted five-coordinate, trigonal-bipyramidal geometry with the silyl ligand occupying an axial site. Complex 3 generates the 16e silyliridium(I) complex Ir{η2-Me2Si(CH2)2PPh 2}(PMe3)2 (A) easily at room temperature.

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Synthesis and structure of the {(2-phosphinoethyl)silyl}-tris(tertiary phosphine)iridium(I) complex Ir{η²-Me₂Si(CH₂)₂PPh ₂}(PMe₃)₃

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