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Showing 1 to 10 of 10 for “"Benzyl ether"”.
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Tetrazine-Triggered Bioorthogonal Decaging Reactions for Prodrug Activation
… reaction. Work towards three linkers (carbonate, ether and carbamate benzyl ether) is described. The carbamate benzyl ether linker was shown to be both synthetically accessible and stable, which was not the case for the other linkers. Therefore, the tetrazine-triggered decaging of a TCO-carbamate …
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Synthetic Alkyl Glycolipids as Therapeutic Agents: Their Synthesis as Potential iNKT Cell Stimulators and their Anti- Microbial Properties
… of KRN7000 was successfully synthesised. A benzyl ether protected analogue of KRN7000, containing a 1,4- disubstituted 1,23-triazole moiety was also synthesised by a copper catalysed azide alkyne cycloaddition. Preliminary investigations into a new class of rigid macrocyclic L-serinyl …
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GRAPHENE-BASED SEMICONDUCTOR AND METALLIC NANOSTRUCTURED MATERIALS
… of iron acetylacetonate in benzyl ether. The shape control was achieved by tuning the mole ratio between the oleic acid and the oleyamine. The structural, morphological and physical properties of graphene-based nanocomposites described herein were studied using standard …
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Supramolecular Assemblies: Dendrimers, Linear Arrays, and Polypseudorotaxanes
… formed between the suitably sized crown ethers and dipyridinium salts (paraquats) or dibenzylammonium ions is a viable synthetic strategy to construct non-covalent systems because of their selectivity and strong hydrogen bonding ability. We describe the syntheses and characterization of …
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CONVENIENT ETHERIFICATION USING TRICHLOROACETIMIDATES AND SYNTHESIS OF AMINOSTEROID SHIP INHIBITORS
… Alcohols are often protected as corresponding benzyl ether, which can then be removed when desired to reveal the alcohol functional group. Classic methodology for protection of alcohols as benzyl ethers requires harsh conditions utilizing strong acids and bases, which functions well for simple …
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Studies in synthetic carbohydrate chemistry: Part 1. Nitromethane cyclization of sugar polyaldehydes with a view to the synthesis of nitrocyclodextrins. Part 2. Approaches to the synthesis of 2-(R)-fluoro-daunosamine, a carbohydrate moiety for an antitumor drug.
… derived by periodate oxidation from methyl 4,6-O-benzylidene-alpha-D-glucopyranoside, phenyl 4',6'-O-benzylidene-alpha-maltoside, and 6-deoxy-beta-cyclodextrin incorporate nitromethine functionalities by base-catalyzed reaction with nitromethane according to the general principle of nitroalkane …
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Synthetic routes to hydroxyaucanebobonic acids and their derivatives
… was carried out on the O-tetrahydropyranyl ethers of prop-2-en1-ol, pent-4-en-1-ol, pent-4-en-2-ol, but-3-en-2-ol and pent-1-en-3-ol but in most cases a complex product mixture was obtained. However, 2-(3-[2 –tetrahydropranyloxy]propyl)-1,3,2-dioxaborinane was identified as the major …
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Synthetic Studies Towards the Crisamicins
… bromination of acetate 2.33a, naphthol 2.56 or benzyl ether 2.6 were unsuccessful. An alternative approach for the preparation of 7-acetyltriflate 2.7 involved the preparation of 2-acetylcarbamate 2.74 from carbamate 2.64 via a directed ortho-metalation, followed by reaction of the derived …
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Metal-catalyzed reactions.
… of a variety of directing groups showed that ethers might be suitable as directing groups, without causing the disproportionation of the catecholborane. Benzyl ether-directable reactions were feasible and occurred without disproportionation of the catecholborane. The reaction occurred via a …
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Reacciones de litiación selectiva en aril bencil éteres: aplicación a la síntesis de compuestos oxigenados funcionalizados
Esta Tesis está centrada en el desarrollo de nuevas metodologías en Síntesis Orgánica mediante la utilización de compuestos organometálicos. El hilo conductor es la -litiación selectiva de distintos aril bencil éteres, demostrándose que los intermedios organolíticos así generados pueden mantenerse …