ChemInform Abstract: Diastereoselective
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S. Pierau; H. M. R. Hoffmann
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Article
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2010
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John Wiley and Sons
⚖ 33 KB
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Diastereoselective Synthesis of Methylated α-Methoxy-8oxabicyclo[3.2.1]oct-6-en-3-ones. Contrathermodynamic Introduction of Methoxy Group by Low Temperature [4 + 3] Cycloaddition. -α,α-Dimethoxysilyl enol ethers (I) and (V) undergo a catalyzed [4 + 3] cycloaddition with furans and cyclopentadiene (I