Co-ordinatively unsaturated acetylene complexes of molybdenum and tungsten: Reactions of [MCl(CF3C=CCF3)2(η5-C 5H5)] (M = Mo or W) with octacarbonyldicobalt leading to binuclear metallacyclopentadiene complexes

Jack L. Davidson

doi:10.1039/DT9830001667

Co-ordinatively unsaturated acetylene complexes of molybdenum and tungsten: Reactions of [MCl(CF₃C=CCF₃)₂(η⁵-C ₅H₅)] (M = Mo or W) with octacarbonyldicobalt leading to binuclear metallacyclopentadiene complexes

Jack L. Davidson

School of Engineering & Physical Sciences

Research output: Contribution to journal › Article

Abstract

Reactions of [MCl(CF₃C=CCF₃)₂(?⁵-C ₅H₅)] (M = Mo or W) with [Co₂(CO)₈] gave the bis(µ-alkyne) complexes [MCo(CO)₃(µ-CF₃C=CCF₃) ₂(?⁵-C₅H₅)] and small amounts of the complexes [M(CO)₂{?³-C₄(CF₃) ₃CF₂CO}(?⁵-C₅H₅)]. The former react with CO to give metallacyclopentadiene derivatives [MCo(CO)₄{C₄(CF₃)₄}(? ⁵-C₅H₅)] as a result of CO addition to the metal whereas reactions with PEt₃ give carbonyl substitution products [MoCo(CO)₂(PEt₃)(µ-CF₃C=CCF ₃)₂(?⁵-C₅H₅)] and [WCo(CO)(PEt₃)₂(µ-CF₃C=CCF₃) ₂(?⁵-C₅H₅)].

Original language	English
Pages (from-to)	1667-1670
Number of pages	4
Journal	Journal of the Chemical Society, Dalton Transactions
Issue number	8
DOIs	https://doi.org/10.1039/DT9830001667
Publication status	Published - 1983

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@article{5bb1c09379df45a885303dc40bbca089,

title = "Co-ordinatively unsaturated acetylene complexes of molybdenum and tungsten: Reactions of [MCl(CF3C=CCF3)2(η5-C 5H5)] (M = Mo or W) with octacarbonyldicobalt leading to binuclear metallacyclopentadiene complexes",

abstract = "Reactions of [MCl(CF3C=CCF3)2(?5-C 5H5)] (M = Mo or W) with [Co2(CO)8] gave the bis(µ-alkyne) complexes [MCo(CO)3(µ-CF3C=CCF3) 2(?5-C5H5)] and small amounts of the complexes [M(CO)2{?3-C4(CF3) 3CF2CO}(?5-C5H5)]. The former react with CO to give metallacyclopentadiene derivatives [MCo(CO)4{C4(CF3)4}(? 5-C5H5)] as a result of CO addition to the metal whereas reactions with PEt3 give carbonyl substitution products [MoCo(CO)2(PEt3)(µ-CF3C=CCF 3)2(?5-C5H5)] and [WCo(CO)(PEt3)2(µ-CF3C=CCF3) 2(?5-C5H5)].",

author = "Davidson, {Jack L.}",

year = "1983",

doi = "10.1039/DT9830001667",

language = "English",

pages = "1667--1670",

journal = "Journal of the Chemical Society, Dalton Transactions",

issn = "1472-7773",

number = "8",

}

Co-ordinatively unsaturated acetylene complexes of molybdenum and tungsten : Reactions of [MCl(CF₃C=CCF₃)₂(η⁵-C ₅H₅)] (M = Mo or W) with octacarbonyldicobalt leading to binuclear metallacyclopentadiene complexes. / Davidson, Jack L.

In: Journal of the Chemical Society, Dalton Transactions, No. 8, 1983, p. 1667-1670.

Research output: Contribution to journal › Article

TY - JOUR

T1 - Co-ordinatively unsaturated acetylene complexes of molybdenum and tungsten

T2 - Reactions of [MCl(CF3C=CCF3)2(η5-C 5H5)] (M = Mo or W) with octacarbonyldicobalt leading to binuclear metallacyclopentadiene complexes

AU - Davidson, Jack L.

PY - 1983

Y1 - 1983

N2 - Reactions of [MCl(CF3C=CCF3)2(?5-C 5H5)] (M = Mo or W) with [Co2(CO)8] gave the bis(µ-alkyne) complexes [MCo(CO)3(µ-CF3C=CCF3) 2(?5-C5H5)] and small amounts of the complexes [M(CO)2{?3-C4(CF3) 3CF2CO}(?5-C5H5)]. The former react with CO to give metallacyclopentadiene derivatives [MCo(CO)4{C4(CF3)4}(? 5-C5H5)] as a result of CO addition to the metal whereas reactions with PEt3 give carbonyl substitution products [MoCo(CO)2(PEt3)(µ-CF3C=CCF 3)2(?5-C5H5)] and [WCo(CO)(PEt3)2(µ-CF3C=CCF3) 2(?5-C5H5)].

AB - Reactions of [MCl(CF3C=CCF3)2(?5-C 5H5)] (M = Mo or W) with [Co2(CO)8] gave the bis(µ-alkyne) complexes [MCo(CO)3(µ-CF3C=CCF3) 2(?5-C5H5)] and small amounts of the complexes [M(CO)2{?3-C4(CF3) 3CF2CO}(?5-C5H5)]. The former react with CO to give metallacyclopentadiene derivatives [MCo(CO)4{C4(CF3)4}(? 5-C5H5)] as a result of CO addition to the metal whereas reactions with PEt3 give carbonyl substitution products [MoCo(CO)2(PEt3)(µ-CF3C=CCF 3)2(?5-C5H5)] and [WCo(CO)(PEt3)2(µ-CF3C=CCF3) 2(?5-C5H5)].

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U2 - 10.1039/DT9830001667

DO - 10.1039/DT9830001667

M3 - Article

SP - 1667

EP - 1670

JO - Journal of the Chemical Society, Dalton Transactions

JF - Journal of the Chemical Society, Dalton Transactions

SN - 1472-7773

IS - 8

ER -