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Accessing Medicinally-Relevant Scaffolds Via Organocatalyzed Cascade Reactions, Joshua Hadley Jones
Accessing Medicinally-Relevant Scaffolds Via Organocatalyzed Cascade Reactions, Joshua Hadley Jones
Dissertations, Theses, and Capstone Projects
The field of asymmetric catalysis embodies the efforts of chemists to mimic the stereoselectivity routinely achieved by biological systems. Asymmetric organocatalysis, a sub-field of asymmetric catalysis, is broadly based on the catalytic activity of non-transition metal, small molecules that transmit chirality to substrates. This dissertation describes experimental work towards the construction of versatile, medicinally-relevant molecular scaffolds using chiral, diarylprolinol silyl ether organocatalysts. Specifically, these catalysts were used in 1-pot, iminium-enamine catalyzed cascade reactions to functionalize α,β-unsaturated aldehydes. A comprehensive review of iminium and enamine organocatalysis is provided, including its development towards iminium-enamine cascade reactions. This review provides background for the …