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Synthesis Of 2',3'-dideoxy-2'-monofluoromethyl Azanucleosides.

Xiao-Long Qiup, F. Qing
Published 2005 · Chemistry, Medicine

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(2S,4S)-Methyl-N-tert-butoxycarbonyl-4-monofluoromethylpyroglutamate 6 was synthesized via a key dehydrofluorination followed by hydrogenation. Compound 6 was converted to (5S,3S)-N-benzyloxycarbonyl-5-tert-butyldimethylsilyloxymethyl-3-monofluoromethyl-2-pyrrolidone 12 over four steps in 62% yield, which was used as a precursor for the synthesis of 2',3'-dideoxy-2'-monofluoromethyl azanucleosides 17-18.
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