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Timothy F. Jamison

 


Timothy F. Jamison

Timothy F. Jamison
Associate Professor of Chemistry


Room: 18-492
(617) 253-2135
Fax: (617) 258-7500
tfj@mit.edu
Admin. Assistant: Kevin Herwig
Tel: (617) 253-1830

Jamison Research Group

B. S. University of California, Berkeley 1990
Ph. D. Harvard University 1997


Research Summary
The theme of our research is the discovery and application of new reactions for organic synthesis, and in a broader sense, selectivity is our fundamental interest. Many of the transformations we target are based on common structural motifs or functional group patterns present in molecules provided to us by Nature, while others have their origins in unexpected products we have obtained in the course of other experiments.

Several of the reactions under investigation can be classified as "multi-component coupling" processes, in which catalysts of various types promote the assembly of three (or more) molecules in a selective fashion. Another aim of these projects is that the starting materials and reagents be easily prepared (or purchased) and that the products be useful "building blocks" or important carbocyclic or heterocyclic ring systems. Examples of these methods include enantioselective synthesis of allylic alcohols and allylic amines from alkynes, aldehydes (or imines, respectively), and organoboron reagents, catalyzed by Ni(0)-phosphine complexes, as well as catalytic three-component assembly of tetrahydrofurans.

In order to test the utility of these methods in specific contexts, we are employing them in the synthesis of several natural products that had originally suggested their development. In addition to terpestacin, acutiphycin, absinthin, waihoensene, and several amphidinolides, significant effort in the group is also directed toward the efficient synthesis of "ladder" polyether natural products, such as yessotoxin.

Recent Publications
Miller, K. M.; Huang, W.-S.; Jamison, T. F. "Catalytic Asymmetric Reductive Coupling of Alkynes and Aldehydes: Enantioselective Synthesis of Allylic Alcohols and α-Hydroxy Ketones," J. Am. Chem. Soc. 2003, 125, in press.

Patel, S. J.; Jamison, T. F. “Catalytic Three-Component Coupling of Alkynes, Imines, and Organoboron Reagents," Angew. Chem. Int. Ed. 2003, 42, in press.

Colby, E. A.; Jamison, T. F. “P-Chiral, Monodentate Ferrocenyl Phosphines, Novel Ligands for Asymmetric Catalysis.” J. Org. Chem. 2003, 68, 156-166.

Skaggs, A. J.; Lin, E. Y.; Jamison, T. F. "Cobalt Cluster-Containing Carbonyl Ylides for Catalytic, Three-Component Assembly of Oxygen Heterocycles," Org. Lett. 2002, 4, 2277-2280.

Huang, W.-S.; Chan, J.; Jamison, T. F. "Highly Selective Catalytic Intermolecular Reductive Coupling of Alkynes and Aldehydes," Org. Lett. 2000, 2, 4221-4223.

 

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