Ring Closing Metathesis for the Asymmetric Synthesis of (S)-Homopipecolic Acid, (S)-Homoproline and (S)-Coniine
- 1 July 2002
- journal article
- letter
- Published by Georg Thieme Verlag KG in Synlett
- Vol. 2002 (07) , 1146-1148
- https://doi.org/10.1055/s-2002-32580
Abstract
Diastereoselective conjugate addition of lithium (S)-N-allyl-N-α-methylbenzylamide to α,β-unsaturated esters or Weinreb amides, followed by ring closing metathesis is used to afford the cyclic β-amino acids (S)-homopipecolic acid and (S)-homoproline and the amine (S)-coniine in high ee.Keywords
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