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Organocatalyzed Synthesis Of Epoxides From Chalcones Utilizing Amino Acids, Sabrina N. Kegeler Apr 2018

Organocatalyzed Synthesis Of Epoxides From Chalcones Utilizing Amino Acids, Sabrina N. Kegeler

Master's Theses

The epoxide functional group is important throughout the chemical and pharmaceutical industries, as well as in nature. In the chemical industry, epoxides are present in resins and fragrances. In the pharmaceutical industry, epoxide-containing compounds are used as intermediates in the manufacturing of drugs. In nature, many natural products contain epoxide groups and are used for medicinal purposes, and for models to create synthetic molecules.

One approach to epoxide synthesis involves the use of an alkene precursor, a base, and an oxidizing agent. This is where my investigations began. The first step was to optimize the epoxidation reaction, examining substrate scope ...


Novel Amino Acid And Ethanolamine Derivatives As Potential Tumor Imaging Agents For Positron Emission Tomography, Limin Wang Dec 2010

Novel Amino Acid And Ethanolamine Derivatives As Potential Tumor Imaging Agents For Positron Emission Tomography, Limin Wang

Publicly Accessible Penn Dissertations

Malignant tumors can be detected with high sensitivity and specificity by imaging their increased metabolic rate for glucose, amino acids and fatty acids. Positron emission tomography (PET) with glucose analog [18F]FDG, which utilizes increased glucose metabolism, has become a routine clinical test for diagnosis, staging and restaging a variety of cancers. Despite the tremendous success of PET-FDG, there are some well-known limitations of [18F]FDG such as high cerebral uptake, uptake in inflammatory tissues, high excretion through urinary tract and low or negligent uptake in certain type of tumors. Decades of nuclear medicine research have lead to development of ...