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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.
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Showing 1 to 4 of 4 (0.078 seconds)| 1 |
Investigating the biosynthesis of polyacetylenes: synthesis of deuterated linoleic acids & mechanism studies of DMDS addition to 1,4-enynesZhu, Lizhi 10 October 2003 (has links)
No description available.
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Triterpene Carboxylic Acids as Cortisol Lowering Agents and Synthesis of Hexadeuterated Beta-IononeMogg, Trevor 13 September 2012 (has links)
In part one, betulinic acid (1) was isolated from the American Sycamore (Platanus occidentalis) in 1.6% yield, while ursolic acid (3) was isolated from Fuji and McIntosh apple peels in 1.0% and 0.8% crude yields, respectively. Oleanolic (4) and dehydrocanophyllic (6) acids were previously available, along with several analogs. Additional analogs of 1, 3 and 4 were prepared, including 9 new compounds, for a total of 51 compounds. Compounds were initially screened for cortisol lowering properties in vitro using a fish head kidney cell assay. Platanic acid (43) was selected for in vivo study in rats, along with 1 and a blend of Platanus occidentalis and Souroubea sympetela. No significant cortisol lowering was observed in vivo. In part two, β-ionone-d6 (75) was synthesized in 6.5% yield from ethyl 2-oxo-cyclohexane carboxylate (77). Total deuterium incorporation was 99.85%, with 0.03% d0 analog. 75 was converted to retinoic acid-d6 (93) in 2.2% yield.
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Triterpene Carboxylic Acids as Cortisol Lowering Agents and Synthesis of Hexadeuterated Beta-IononeMogg, Trevor January 2012 (has links)
In part one, betulinic acid (1) was isolated from the American Sycamore (Platanus occidentalis) in 1.6% yield, while ursolic acid (3) was isolated from Fuji and McIntosh apple peels in 1.0% and 0.8% crude yields, respectively. Oleanolic (4) and dehydrocanophyllic (6) acids were previously available, along with several analogs. Additional analogs of 1, 3 and 4 were prepared, including 9 new compounds, for a total of 51 compounds. Compounds were initially screened for cortisol lowering properties in vitro using a fish head kidney cell assay. Platanic acid (43) was selected for in vivo study in rats, along with 1 and a blend of Platanus occidentalis and Souroubea sympetela. No significant cortisol lowering was observed in vivo. In part two, β-ionone-d6 (75) was synthesized in 6.5% yield from ethyl 2-oxo-cyclohexane carboxylate (77). Total deuterium incorporation was 99.85%, with 0.03% d0 analog. 75 was converted to retinoic acid-d6 (93) in 2.2% yield.
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Lipid-based Oxidative Protein Modifications in GlaucomaAnnangudi Palani, Suresh Babu January 2006 (has links)
No description available.
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