A cyclopropenylidene approach to tricarbide complexes: Synthesis and structure of [M(CO)5{μ2-C3(OCH2CH 3)}Fe(CO)2(Cp)] (M = Cr, Mo, W)

Michael S. Morton; John P. Selegue; Alberto Carrillo

doi:10.1021/om9606810

A cyclopropenylidene approach to tricarbide complexes: Synthesis and structure of [M(CO)₅{μ₂-C₃(OCH₂CH ₃)}Fe(CO)₂(Cp)] (M = Cr, Mo, W)

Michael S. Morton, John P. Selegue, Alberto Carrillo

Chemistry

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

11 Scopus citations

Abstract

The diethoxycyclopropenylidene complexes [M(CO)₅{C₃-C₃(OCH₂CH ₃)₂}] (M = Cr, Mo, W)react with K[Fe(CO)₂(Cp)] to give the bimetallic cyclopropenylidene complexes [M(CO)₅{μ₂-C₃(OCH₂CH ₃)}Fe(CO)₂(Cp)], but the second ethoxide is not displaced by excess K[Fe(CO)₂(Cp)]. Spectroscopic evidence (¹H NMR, ¹³C NMR, and IR) as well as a X-ray crystal structure determination of [Cr(CO)₅{μ₂-C₃(OCH₂CH ₃)}Fe(CO)₂ (Cp)] suggests that the central C₃ ring has a great deal of cyclopropenium character.

Original language	English
Pages (from-to)	4664-4666
Number of pages	3
Journal	Organometallics
Volume	15
Issue number	22
DOIs	https://doi.org/10.1021/om9606810
State	Published - Oct 29 1996

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Organic Chemistry
Inorganic Chemistry

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title = "A cyclopropenylidene approach to tricarbide complexes: Synthesis and structure of [M(CO)5{μ2-C3(OCH2CH 3)}Fe(CO)2(Cp)] (M = Cr, Mo, W)",

abstract = "The diethoxycyclopropenylidene complexes [M(CO)5{C3-C3(OCH2CH 3)2}] (M = Cr, Mo, W)react with K[Fe(CO)2(Cp)] to give the bimetallic cyclopropenylidene complexes [M(CO)5{μ2-C3(OCH2CH 3)}Fe(CO)2(Cp)], but the second ethoxide is not displaced by excess K[Fe(CO)2(Cp)]. Spectroscopic evidence (1H NMR, 13C NMR, and IR) as well as a X-ray crystal structure determination of [Cr(CO)5{μ2-C3(OCH2CH 3)}Fe(CO)2 (Cp)] suggests that the central C3 ring has a great deal of cyclopropenium character.",

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T1 - A cyclopropenylidene approach to tricarbide complexes

T2 - Synthesis and structure of [M(CO)5{μ2-C3(OCH2CH 3)}Fe(CO)2(Cp)] (M = Cr, Mo, W)

AU - Morton, Michael S.

AU - Selegue, John P.

AU - Carrillo, Alberto

PY - 1996/10/29

Y1 - 1996/10/29

N2 - The diethoxycyclopropenylidene complexes [M(CO)5{C3-C3(OCH2CH 3)2}] (M = Cr, Mo, W)react with K[Fe(CO)2(Cp)] to give the bimetallic cyclopropenylidene complexes [M(CO)5{μ2-C3(OCH2CH 3)}Fe(CO)2(Cp)], but the second ethoxide is not displaced by excess K[Fe(CO)2(Cp)]. Spectroscopic evidence (1H NMR, 13C NMR, and IR) as well as a X-ray crystal structure determination of [Cr(CO)5{μ2-C3(OCH2CH 3)}Fe(CO)2 (Cp)] suggests that the central C3 ring has a great deal of cyclopropenium character.

AB - The diethoxycyclopropenylidene complexes [M(CO)5{C3-C3(OCH2CH 3)2}] (M = Cr, Mo, W)react with K[Fe(CO)2(Cp)] to give the bimetallic cyclopropenylidene complexes [M(CO)5{μ2-C3(OCH2CH 3)}Fe(CO)2(Cp)], but the second ethoxide is not displaced by excess K[Fe(CO)2(Cp)]. Spectroscopic evidence (1H NMR, 13C NMR, and IR) as well as a X-ray crystal structure determination of [Cr(CO)5{μ2-C3(OCH2CH 3)}Fe(CO)2 (Cp)] suggests that the central C3 ring has a great deal of cyclopropenium character.

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A cyclopropenylidene approach to tricarbide complexes: Synthesis and structure of [M(CO)₅{μ₂-C₃(OCH₂CH ₃)}Fe(CO)₂(Cp)] (M = Cr, Mo, W)

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