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Chemoenzymatic synthesis of alpha(1)- and alpha-acetoxylated cyclic ketones
Date
2004-06-07
Author
Tanyeli, Cihangir
Turkut, E
Akhmedov, M
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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alpha,beta-Unsaturated and saturated cyclic ketones were selectively oxidized at the alpha'- and alpha-positions using Mn(OAc)(3) and Pb(OAc)(4), respectively, resulting in high chemical yields. The resultant racemic alpha'- and alpha-acetoxylated substrates were resolved into corresponding enantiomerically enriched alpha'- and alpha-hydroxylated and acetoxylated compounds with 96-98% ee via PLE hydrolysis. The absolute configurations of alpha'-acetoxy-alpha,beta-unsaturated cyclic ketones were determined by transforming them into the corresponding saturated alpha-acetoxy cyclic ketones of known absolute configuration.
Subject Keywords
Physical and Theoretical Chemistry
,
Inorganic Chemistry
,
Organic Chemistry
,
Catalysis
URI
https://hdl.handle.net/11511/41844
Journal
TETRAHEDRON-ASYMMETRY
DOI
https://doi.org/10.1016/j.tetasy.2004.04.019
Collections
Department of Chemistry, Article