Preparation of enantiomeric pure (−)-(3R,4S)-1-benzyl-3,4-epoxypiperidine and enriched (−)-(R)-1-Benzyl-3-hydroxy-1,2,3,6-tetrahydropyridine by kinetic separation of (±)-1-benzyl-3,4-epoxypiperidine under the action of chiral lithium amides
Preparation of enantiomeric pure (−)-(3R,4S)-1-benzyl-3,4-epoxypiperidine and enriched (−)-(R)-1-Benzyl-3-hydroxy-1,2,3,6-tetrahydropyridine by kinetic separation of (±)-1-benzyl-3,4-epoxypiperidine under the action of chiral lithium amides
作者:Sedef Karabiyikoglu、Alexandre V. Brethomé、Thomas Palacin、Robert S. Paton、Stephen P. Fletcher
DOI:10.1039/d0sc00377h
日期:——
Enantiomerically enriched allyl halides are rare due to their configurational lability. Here we report stable piperidine-based allylchloride enantiomers. These allylchlorides can be produced via kinetic resolution, and undergo highly enantiospecific catalyst-free substitution reactions with C, N, O and S-based nucleophiles. DFT calculations and experiments with deuterium-labelled chloro-tetrahydropyridine