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Synthetic studies towards daphniyunnine B: Construction of AC bicyclic skeleton with two vicinal all carbon quaternary stereocenters |
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| Authors: | Haiyu Sun Guangmiao Wu Xingang Xie |
| Institution: | State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering,; Lanzhou University, Lanzhou 730000, China |
| Abstract: | The AC bicyclic skeleton of daphniyunnine B with the required 3 stereocenters (C4, C5 and C8) was accomplished in a concise route which featured two Claisen-type rearrangement reactions to construct the required vicinal all carbon quaternary stereocenters (C5 and C8) and an intramolecular iodocyclization reaction to assemble the cis-confused bicyclic lactam. |
| Keywords: | Daphniyunnine B Vicinal quaternary stereocenters Claisen rearrangement Intramolecular iodo-amidation reaction |
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