Apio fluoroneplanocin A (apio F-NPA, 3) and its uracil analogue 4 have been designed and asymmetrically synthesized starting from D-ribose. Introduction of fluoro group into vinylic position of 5 was accomplished successfully over 5 steps employing key reactions such as iodination according to an addition-elimination reaction mechanism, stereo- and regioselective reduction of alpha,beta-unsaturated ketone, and electrophilic fluorination. This methodology can be adapted to the synthesis of fluoro compounds extensively.
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http://dx.doi.org/10.1080/15257770701508000 | DOI Listing |
Nucleosides Nucleotides Nucleic Acids
March 2008
College of Pharmacy and Research Institute for Drug Development, Pusan National University, Busan, Korea.
Apio fluoroneplanocin A (apio F-NPA, 3) and its uracil analogue 4 have been designed and asymmetrically synthesized starting from D-ribose. Introduction of fluoro group into vinylic position of 5 was accomplished successfully over 5 steps employing key reactions such as iodination according to an addition-elimination reaction mechanism, stereo- and regioselective reduction of alpha,beta-unsaturated ketone, and electrophilic fluorination. This methodology can be adapted to the synthesis of fluoro compounds extensively.
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