Versatile diamondoids : applications in bioorganic chemistry

Ghisaidoobe, A.B.T.

The exploitation of the unusual hydrophobic properties of diamondoid derivatives has been the primary goal of the research described in this Thesis. 1-Adamantaneacetic acid was used as a protective group in the solution-phase synthesis of (phosphorothioate) oligonucleotides. Pioneered by de Koning et al. a Solution-Phase Extraction Method (SPEM) amendable to scale-up was developed for the preparation of DNA and phosphorthioate oligonucleotide fragments. This approach utilizes extractive work-up procedures as the only tool in the isolation of oligonucleotides. Next, the design and synthesis of diamoniod decorated iminosugars as potential inhibitors of glycoside proccesing enzymes are described. Several libraries of natural iminosugars such as deoxynojirimycin and castanospermine decorated with an N-pentyloxy spacer were prepared. These iminosugar derivatives were evaluated as inhibitors of the enzymes involved in glucosylcramide metabolism, namely glucosylceramide synthase, beta...Show moreThe exploitation of the unusual hydrophobic properties of diamondoid derivatives has been the primary goal of the research described in this Thesis. 1-Adamantaneacetic acid was used as a protective group in the solution-phase synthesis of (phosphorothioate) oligonucleotides. Pioneered by de Koning et al. a Solution-Phase Extraction Method (SPEM) amendable to scale-up was developed for the preparation of DNA and phosphorthioate oligonucleotide fragments. This approach utilizes extractive work-up procedures as the only tool in the isolation of oligonucleotides. Next, the design and synthesis of diamoniod decorated iminosugars as potential inhibitors of glycoside proccesing enzymes are described. Several libraries of natural iminosugars such as deoxynojirimycin and castanospermine decorated with an N-pentyloxy spacer were prepared. These iminosugar derivatives were evaluated as inhibitors of the enzymes involved in glucosylcramide metabolism, namely glucosylceramide synthase, beta-glucocerebrosidase and beta-glucosidase.Show less

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Versatile diamondoids : applications in bioorganic chemistry

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