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Synthesis of (+)-Ipalbidine Based on 6-exo-trig Radical Cyclization of a β-Amino Radical.
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- Author(s) / Creator(s)
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N-Boc (S)-proline was converted into (2S)-2-[(phenylselanyl)methyl]pyrrolidine which was
alkylated on nitrogen with 2-bromo-1-(4-methoxyphenyl)ethan-1-one. Reaction with
vinyllithium, 6-exo-trigonal radical cyclization (Bu3SnH, AIBN, PhMe, 110 °C), dehydration
(P2O5, H3PO4) and demethylation (BBr3) gave (+)-ipalbidine with ee >99%. -
- Date created
- 2015-01-01
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- Subjects / Keywords
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- Type of Item
- Article (Draft / Submitted)