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- W1979416045 abstract "A very efficient and straightforward synthesis of novel chiral α-acetylenic ketones of type 3 has been developed. Starting from commercially available l-(−)-serine 4, and through the Garner's aldehyde 5, ethynyloxazolidine 2 was formed in good overall yield. Condensation of the corresponding lithium acetylide 7 with different aliphatic and aromatic aldehydes 5 and 8a–h at low temperatures yielded the respective propargylic alcohols 9a–i. Subsequent mild oxidation of 9a–i with 10-I-4-iodinane oxide (IBX) 12 afforded chiral α-acetylenic ketones 3a–i almost quantitatively." @default.
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- W1979416045 date "1999-08-01" @default.
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- W1979416045 title "A highly efficient and straightforward stereoselective synthesis of novel chiral α-acetylenic ketones" @default.
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- W1979416045 doi "https://doi.org/10.1016/s0957-4166(99)00357-2" @default.
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