Introduction and Technical and Scientific Accomplishments

4

Evaluation of Reductive Carbonylation as a Route to Distorted Semi-Bridging Carbonyl Complexes

4

Synthesis of Novel Organoditantalum Complexes

5

Reactivity of Ditantalum Complexes

5

Scheme 1

7

Intermolecular Vinylic C-H bond Reactivity of Organoditantalum Complexes

8

This reaction is the first example of intermolecular C-H activation by a metal-metal multiple bond.

8

Synthesis of New Ditantalum Complexes: Hydrogen Addition to a Metal-Metal Double Bond

9

Migratory CO Insertion into Metal Alkyls:  Generation of Enolate and Acyl Groups

11

Significance to Fossil Energy Program

12

Highlight Accomplishments

13

Articles and Presentations

14

Invited Publications

15

Recent Presentations Invited

15