Transition metal activation and functionalization of C-H bonds. Progress report, June 1, 1983-May 31, 1986
This project has been directed towards the investigation of the fundamental thermodynamic and kinetic factors that influence carbon-hydrogen bond activation at homogeneous transition metal centers. The major accomplishments of this past three years have been: (1) to identify a new transition metal complex capable of activating both arene and alkane C-H bonds, (2) to quantitatively evaluate the stability of the hydrido aryl and hydrido alkyl complexes towards reductive elimination, (3) to measure the kinetic selectivity of the reactive intermediate towards alkane and arene C-H bonds, (4) to quantitatively determine the thermodynamics of alkane and arene oxidative addition, (5) to demonstrate that arenes are activated by way of formation of an eta/sup 2/-arene complex, (6) to quantitatively determine the kinetic and thermodynamic preference for intra vs intermolecular activation of arene and alkane C-H bonds, (7) to measure isotope effects for the oxidative addition/reductive elimination pathways as a means of confirming the proposed mechanism of reaction, and (8) to formulate a unified theory of C-H bond activation that applies to other transition metal complexes. The specific complexes involved in these studies are derivatives of the formulation (C/sub 5/Me/sub 5/)Rh(PMe/sub 3/)(R)H and (C/sub 5/Me/sub 5/)Rh(PMe/sub 2/R) (R)H.
- Research Organization:
- Rochester Univ., NY (USA)
- DOE Contract Number:
- AC02-83ER13095
- OSTI ID:
- 5344975
- Report Number(s):
- DOE/ER/13095-2; ON: DE86015416
- Country of Publication:
- United States
- Language:
- English
Similar Records
Transition metal activation and functionalization of C-H bonds. Progress report, June 1, 1984-May 31, 1985
Transition metal activation and functionalization of carbon-hydrogen bonds: Progress report, December 1, 1988--November 30, 1989
Related Subjects
ORGANIC
PHYSICAL AND ANALYTICAL CHEMISTRY
ALKANES
CHEMICAL ACTIVATION
THERMODYNAMICS
AROMATICS
BENZENE
SOLVENT PROPERTIES
DEUTERIUM
ISOTOPE EFFECTS
PROPANE
RHODIUM COMPLEXES
COMPLEXES
HYDROCARBONS
HYDROGEN ISOTOPES
ISOTOPES
LIGHT NUCLEI
NUCLEI
ODD-ODD NUCLEI
ORGANIC COMPOUNDS
STABLE ISOTOPES
TRANSITION ELEMENT COMPLEXES
400301* - Organic Chemistry- Chemical & Physicochemical Properties- (-1987)
400302 - Organic Chemistry- Isotope Effects- (-1987)