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Articles 1 - 3 of 3
Full-Text Articles in Chemistry
Novel Approaches For The Synthesis Of C-5 Modified Pyrimidine Nucleosides, Yong Liang
Novel Approaches For The Synthesis Of C-5 Modified Pyrimidine Nucleosides, Yong Liang
FIU Electronic Theses and Dissertations
The antiviral or anticancer activities of C-5 modified pyrimidine nucleoside analogues validate the need for the development of their syntheses. In the first half of this dissertation, I explore the Pd-catalyzed cross-coupling reaction of allylphenylgermanes with aryl halides in the presence of SbF5/TBAF to give various biaryls by transferring multiple phenyl groups, which has also been applied to the 5-halo pyrimidine nucleosides for the synthesis of 5-aryl derivatives. To avoid the use of organometallic reagents, I developed Pd-catalyzed direct arylation of 5-halo pyrimidine nucleosides. It was discovered that 5-aryl pyrimidine nucleosides could be synthesized by Pd-catalyzed direct arylation …
Synthesis Of A Pbtx-2 Photoaffinity And Fluorescent Probe And An Alternative Synthetic Route To Photoaffinity Probes, Ryan T. Cassell
Synthesis Of A Pbtx-2 Photoaffinity And Fluorescent Probe And An Alternative Synthetic Route To Photoaffinity Probes, Ryan T. Cassell
FIU Electronic Theses and Dissertations
A natural phenomenon characterized by dense aggregations of unicellular photosynthetic marine organisms has been termed colloquially as red tides because of the vivid discoloration of the water. The dinoflagellate Karenia brevis is the cause of the Florida red tide bloom.
K. brevis produces the brevetoxins, a potent suite of neurotoxins responsible for substantial amounts of marine mammal and fish mortalities. When consumed by humans, the toxin causes Neurotoxic Shellfish Poisoning (NSP). The native function of brevetoxin within the organism has remained mysterious since its discovery. There is a need to identify factors which contribute to and regulate toxin production within …
Application Of Biomarkers And Compound Specific Stable Isotopes For The Assessment Of Hydrology As A Driver Of Organic Matter Dynamics In The Everglades Ecosystem, Ding He
FIU Electronic Theses and Dissertations
The Everglades is a sub-tropical coastal wetland characterized among others by its hydrological features and deposits of peat. Formation and preservation of organic matter in soils and sediments in this wetland ecosystem is critical for its sustainability and hydrological processes are important divers in the origin, transport and fate of organic matter. With this in mind, organic matter dynamics in the greater Florida Everglades was studied though various organic geochemistry techniques, especially biomarkers, bulk and compound specific δ13C and δD isotope analysis. The main objectives were focused on how different hydrological regimes in this ecosystem control organic matter …