
Tetrahedron Letters p. 7613 - 7616 (1992)
Update date:2022-08-05
Topics:
Hale, Karl J.
Delisser, Vern M.
Manaviazar, Soraya
A convenient asymmetric synthesis of both (3R)-and (3S)-piperazic acids has been developed that is based on electrophilic hydrazination of a chiral bromovaleryl carboximide enolate with di-tert-butyl azodicarboxylate, followed by subsequent intramolecular
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Doi:10.1039/J19670001098
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(2014)