Observation of linkage isomerization in W(CO)5(2,5-dihydrofuran)

Ronit Elgamiel; Ilan Huppert; Eli Lancry; Yafit Yerucham; Richard H. Schultz

doi:10.1021/om000105a

Observation of linkage isomerization in W(CO)₅(2,5-dihydrofuran)

Ronit Elgamiel, Ilan Huppert, Eli Lancry, Yafit Yerucham, Richard H. Schultz

Department of Chemistry

Bar-Ilan University

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

12 Scopus citations

Abstract

UV photolysis of a cyclohexane solution of W(CO)₆ in the presence of 2,5-dihydrofuran (DHF) yields W(CO)₅(η¹(O)-DHF) with a bimolecular rate constant on the order of 10⁷ L mol^-1 s^-1. Time-resolved IR (TRIR) absorption spectroscopy is used to monitor the consequent intramolecular isomerization to W(CO)₅(η²-(C,C)-DHF), which occurs with a rate constant on the order of 1-10 s^-1 at 20-60 °C; activation parameters for the isomerization are determined to be ΔH^‡ = 17.3 ± 0.3 kcal/mol and ΔS^‡ = 0.9 ± 0.9 eu.

Original language	English
Pages (from-to)	2237-2239
Number of pages	3
Journal	Organometallics
Volume	19
Issue number	12
DOIs	https://doi.org/10.1021/om000105a
State	Published - 12 Jun 2000

Access to Document

10.1021/om000105a

Cite this

@article{6cb0a6a7c66c46cd9d25380ce990d0db,

title = "Observation of linkage isomerization in W(CO)5(2,5-dihydrofuran)",

abstract = "UV photolysis of a cyclohexane solution of W(CO)6 in the presence of 2,5-dihydrofuran (DHF) yields W(CO)5(η1(O)-DHF) with a bimolecular rate constant on the order of 107 L mol-1 s-1. Time-resolved IR (TRIR) absorption spectroscopy is used to monitor the consequent intramolecular isomerization to W(CO)5(η2-(C,C)-DHF), which occurs with a rate constant on the order of 1-10 s-1 at 20-60 °C; activation parameters for the isomerization are determined to be ΔH‡ = 17.3 ± 0.3 kcal/mol and ΔS‡ = 0.9 ± 0.9 eu.",

author = "Ronit Elgamiel and Ilan Huppert and Eli Lancry and Yafit Yerucham and Schultz, \{Richard H.\}",

year = "2000",

month = jun,

day = "12",

doi = "10.1021/om000105a",

language = "אנגלית",

volume = "19",

pages = "2237--2239",

journal = "Organometallics",

issn = "0276-7333",

publisher = "American Chemical Society",

number = "12",

}

TY - JOUR

T1 - Observation of linkage isomerization in W(CO)5(2,5-dihydrofuran)

AU - Elgamiel, Ronit

AU - Huppert, Ilan

AU - Lancry, Eli

AU - Yerucham, Yafit

AU - Schultz, Richard H.

PY - 2000/6/12

Y1 - 2000/6/12

N2 - UV photolysis of a cyclohexane solution of W(CO)6 in the presence of 2,5-dihydrofuran (DHF) yields W(CO)5(η1(O)-DHF) with a bimolecular rate constant on the order of 107 L mol-1 s-1. Time-resolved IR (TRIR) absorption spectroscopy is used to monitor the consequent intramolecular isomerization to W(CO)5(η2-(C,C)-DHF), which occurs with a rate constant on the order of 1-10 s-1 at 20-60 °C; activation parameters for the isomerization are determined to be ΔH‡ = 17.3 ± 0.3 kcal/mol and ΔS‡ = 0.9 ± 0.9 eu.

AB - UV photolysis of a cyclohexane solution of W(CO)6 in the presence of 2,5-dihydrofuran (DHF) yields W(CO)5(η1(O)-DHF) with a bimolecular rate constant on the order of 107 L mol-1 s-1. Time-resolved IR (TRIR) absorption spectroscopy is used to monitor the consequent intramolecular isomerization to W(CO)5(η2-(C,C)-DHF), which occurs with a rate constant on the order of 1-10 s-1 at 20-60 °C; activation parameters for the isomerization are determined to be ΔH‡ = 17.3 ± 0.3 kcal/mol and ΔS‡ = 0.9 ± 0.9 eu.

UR - https://www.scopus.com/pages/publications/0033700613

U2 - 10.1021/om000105a

DO - 10.1021/om000105a

M3 - ???researchoutput.researchoutputtypes.contributiontojournal.article???

AN - SCOPUS:0033700613

SN - 0276-7333

VL - 19

SP - 2237

EP - 2239

JO - Organometallics

JF - Organometallics

IS - 12

ER -

Observation of linkage isomerization in W(CO)₅(2,5-dihydrofuran)

Abstract

Access to Document

Other files and links

Fingerprint

Cite this