An efficient enantiomeric three step synthesis of β-amino acids (esters)

Autor: M.‐J. Wu, Lendon N. Pridgen, Mohamed K. Mokhallalati
Rok vydání: 1993
Předmět:
Zdroj: Tetrahedron Letters. 34:47-50
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)60054-0
Popis: Ethyl tributylstannylacetate was reacted with (R)-2-aryl or alkyl-1,3-oxazolidines 6 under very specific (ZnCl2/Et2O·BF3, 0.5 equiv each) Lewis Acid catalysed conditions to yield (1R, 1′R)-N-2′-hydroxy-1′-phenylethyl-1-aryl or alkyl-2-carboethoxyethylamine 8 in 91–99% de. The amino alcohol products 8 were converted to aromatic and aliphatic β-amino esters 9, useful precursors to β-lactams.
Databáze: OpenAIRE