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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Multi component and cycloaddition reactions of methyleneaziridines

Twin, Heather Clare January 2002 (has links)
No description available.
2

Total Synthesis of (+)-Discodermolide by Catalytic Stereoselective Borylation Reactions

Yu, Zhiyong January 2014 (has links)
Thesis advisor: James P. Morken / (+)-Discodermolide is a marine natural product and is one of the most potent microtubule stabilizers in human cell lines. Because of its unique linear structure and important properties, a number of total syntheses of (+)-discodermolide and its derivatives have been reported. Herein, an efficient, highly convergent, and stereocontrolled total synthesis is presented (Chapter 2). The synthesis relied on the development of three catalytic and stereoselective processes: platinum-catalyzed asymmetric diene diboration, nickel-catalyzed diastereoselective hydroboration of chiral dienes (Chapter 1), and nickel-catalyzed borylative diene-aldehyde coupling (see Chapter 4). Combination of these reactions allows preparation of the target in a short sequence. Moreover, the development of rhodium-catalyzed asymmetric hydroformylation (Chapter 3) makes this approach the first Roche ester free (+)-discodermolide synthesis. / Thesis (PhD) — Boston College, 2014. / Submitted to: Boston College. Graduate School of Arts and Sciences. / Discipline: Chemistry.

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