Transition metal activation and functionalization of C-H bonds: Progress report, December 1, 1987-November 30, 1988
This project is directed towards the continued investigation of the fundamental thermodynamic and kinetic factors that influence carbon-hydrogen bond activation at homogeneous transition metal centers. The project is also directed towards the conversion of hydrocarbons into functionalized products of potential use to chemical industry. Goals will be 1) to identify new transition metal complexes capable of activating arene and alkane C-H bonds, 2) to quantitatively evaluate the kinetic and thermodynamic stability of these complexes, and 3) to examine routes for functionalization of the activated hydrocarbons. Specific complexes involved are derivatives of the formulation (C/sub 5/Me/sub 5/)Rh(PR/sub 3/)(R)H, Fe(PMe/sub 3/)/sub 2/(CNR)/sub 3/, Ru(PR/sub 3/)/sub 4/(R)H, and Rh(CNR)/sub 3/H. Functionalization will focus upon isocyanide and acetylene insertion reactions. New compounds that activate hydrocarbon C-H bonds include HRe(PR/sub 3/)/sub 5/, HRe(PR/sub 3/)/sub 2/(CNR)/sub 3/, CpRe(PR/sub 3/)H/sub 4/, CpRe(PR/sub 3/)/sub 2/H/sub 2/, (/eta//sup 6/-C/sub 6/H/sub 6/)Re(PPh/sub 3/)/sub 2/H, and MnH/sub 3/(dmpe)/sub 2/. The latter complex is found to be an /eta//sup 2/-dihydrogen complex. The new complexes RhCl(P(i-Pr)/sub 3/)/sub 2/(CNCH/sub 2/CMe/sub 3/) and (trispyrazolylborate)Rh(CNR)/sub 2/ are shown to be active for the activation and functionalization of aromatic C-H bonds. 10 figs., 1 tab.
- Research Organization:
- Rochester Univ., NY (USA). Dept. of Chemistry
- DOE Contract Number:
- FG02-86ER13569
- OSTI ID:
- 7144016
- Report Number(s):
- DOE/ER/13569-2; ON: DE88014626
- Country of Publication:
- United States
- Language:
- English
Similar Records
Transition metal activation and functionalization of C-H (carbon-hydrogen) bonds: Progress report for period June 1, 1986-November 30, 1987
[Transition metal activation and functionalization of carbon-hydrogen bonds]. Progress report, December 1, 1992--November 30, 1993
Related Subjects
400201* -- Chemical & Physicochemical Properties
ACETYLENE
ALKYNES
AROMATICS
CARBON
CATALYTIC EFFECTS
CHEMICAL ACTIVATION
CHEMICAL BONDS
CHEMICAL REACTION KINETICS
CHEMICAL REACTION YIELD
COMPLEXES
CYANIDES
DOCUMENT TYPES
ELEMENTS
ENERGY
FREE ENERGY
HYDROCARBONS
HYDROGEN
IRON COMPLEXES
KINETICS
METALS
MOLECULAR STRUCTURE
NONMETALS
ORGANIC COMPOUNDS
PHYSICAL PROPERTIES
PROGRESS REPORT
RADIATION EFFECTS
REACTION KINETICS
RHENIUM COMPLEXES
RHODIUM COMPLEXES
RUTHENIUM COMPLEXES
SPECIFICITY
THERMODYNAMIC PROPERTIES
THERMODYNAMICS
TRANSITION ELEMENT COMPLEXES
TRANSITION ELEMENTS
YIELDS