Stereospecific synthesis of a new class of aminocyclitol with the conduramine D-2 configuration |
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| Authors: | Latif Kelebekli Ertan ?ahin Yunus Kara Metin Balci |
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| Institution: | a Department of Chemistry, Atatürk University, 25240 Erzurum, Turkey
b Department of Chemistry, Middle East Technical University, 06531 Ankara, Turkey |
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| Abstract: | A new aminocyclitol derived from bicyclo4.2.01,6]octane was synthesized starting from cyclooctatetraene. Photooxygenation of trans-7,8-diacetoxy-bicyclo4.2.0]octa-2,4-diene afforded a bicyclic endoperoxide. Reduction of the endoperoxide with thiourea followed by a palladium-catalyzed ionization/cyclization reaction gave an oxazolidinone derivative. Oxidation of the double bond in the oxazolidinone with KMnO4 followed by acetylation gave the oxazolidinone-tetraacetate whose exact configuration was determined by X-ray diffraction analysis. Hydrolysis of the oxazolidinone ring and removal of the acetate groups furnished the desired aminocyclitol. |
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| Keywords: | Cyclitols Aminocyclitol Endoperoxide Bicyclic aliphatic compounds Oxidation X-ray analysis |
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