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Showing 1 to 6 of 6 for “"Favorskii"”.
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A study of the Favorskii rearrangement.
Massachusetts Institute of Technology. Dept. of Chemistry. Thesis. 1965. Ph.D.
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LIGHT-DRIVEN STRATEGIES FOR THE GENERATION OF N-OXAZOLIDINONE RADICALS AND THE SYNTHESIS OF NON-STEROIDAL ANTI-INFLAMMATORY DRUGS
… systems; and (B) the application of the photo-Favorskii rearrangement as a key step in the synthesis of active pharmaceutical ingredients (APIs) under continuous and scalable reaction conditions. In particular, Chapter 1 provides an overall introduction to the main topics encountered in this …
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Contraction-Expansion Protocols.
… The two steps involved are a palladium-catalyzed Favorskii contraction and a <em>cis</em>-divinyl cyclopropanone rearrangement. Progress towards these goals is reported.</p>
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Total syntheses of (±)-dracephalone A and (±)-dracocequinones A and B, progress towards a total synthesis of cassiabudanols A and B, and synthetic studies towards total synthesis of N-oxy-diketopiperazine containing natural products.
… wherein stereoselective ring contraction under Favorskii conditions was used as the key step from (R)-14-hydroxycarvone derivative. Initial challenges were associated with the scalable preparation of (R)-14-hydroxycarvone. Screening of cyclobutane fragmentation revealed SnCl4 as the most …
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The Total Synthesis of (-)-Prezizaene, (-)-Prezizanol, and Other Perzizanoid Sesquiterpenes
… rearrangement of a 3a,6-ethanoindene-diol. Favorskii rearrangement of (+)-pulegone and ozonolysis furnished ethyl 5-methyl-2-oxo-cyclopentane carboxylate which was annelated with methyl vinyl ketone to give a mixture of diastereomeric hydrindenones. Hydrogenation to ethyl …
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New Strategies for the Synthesis of Amines, Ethers and Small Strained Rings
… is described. Last, a base-mediated quasi-Favorskii reaction induces a ring-contraction of the alpha,alpha-dichlorocyclobutanol ring under mild reaction conditions to the corresponding highly substituted cyclopropane product. Overall, these five methods significantly contribute to …