Author

Brooke Raven

Date Approved

2009

Degree Type

Open Access Senior Honors Thesis

Department or School

Chemistry

Abstract

Indolizidine and pyrrolizidine alkaloids are large classes of natural products whose members have a variety of interesting biological activities. In order to access a number of these compounds, we have developed a synthetic strategy that which allows for variation of structural features including size of the bicyclic core (indolizidine vs. pyrrolizidine), oxidation at C6 and/or C7, and saturation versus unsaturation at C1-C2. To that end, our recent efforts have focused on a method to assemble the indolizidine or pyrrolizidine alkaloid skeleton in a manner that will allow for further functionalization. The key step in this process is a novel intramolecular reductive coupling reaction to form the B ring.

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