Linkage Isomerization Reactions of M(CO)₂L Complexes (M = (⁵-C₅H₅)Mn, (⁵-C₅H₅)Re, or (⁶-C₆H₆)Cr; L=2,3-Dihydrofuran): A Step-Scan FTIR and DFT Study

abstract

• The linkage isomers, M(CO)2-(1-(O)-2,3 DHF) and M(CO)2-(2-(C,C)-2,3 DHF) [M = (5- C5H5)Mn, (5-C5H5)Re, (6-C6H6)Cr; DHF = dihydrofuran] are formed upon photolysis of the parent M(CO)3 complexes in the presence of 2,3-DHF. The rearrangement of the oxygen bound to the thermodynamically favored bound complex is followed on the millisecond to microsecond time scale using step-scan FTIR. The rate of the isomerization reaction increases in the order Re < Mn < Cr primarily due to a decrease in the activation enthalpy. The experimental data along with theoretical calculations suggest that the rearrangement proceeds intramolecularly in which the metal migrates from one functional group to another. 2008 American Chemical Society.

authors

• Bengali, Ashfaq
• Hall, Michael

published proceedings

• ORGANOMETALLICS

author list (cited authors)

• Bengali, A. A., Hall, M. B., & Wu, H.

citation count

• 12

complete list of authors

• Bengali, Ashfaq A||Hall, Michael B||Wu, Hong

publication date

• November 2008

publisher

• American Chemical Society (ACS)  Publisher

published in

• Organometallics  Journal

keywords

• 34 Chemical Sciences
• 3402 Inorganic Chemistry

Digital Object Identifier (DOI)

• 10.1021/om800457d

start page

• 5826

end page

• 5829

volume

• 27

issue

• 22

URL

• https://doi.org/10.1021/om800457d