Tetrahedron Letters p. 6197 - 6200 (1996)
Update date:2022-09-26
Topics:
Galvez, Nicanor
Moreno-Manas, Marcial
Vallribera, Adelina
Molins, Elies
Cabrero, Araceli
The Co(II) complexes of (4R) and (4S)-3-acetoacetyl-4-benzyloxazolidin-2-ones are alkylated diastereoselectively with diphenylmethyl, 9-fluorenyl, and 1-adamantyl bromide. The resulting products are converted into enantiopure α-substituted glycines. Similar results are obtained by alkylation of the free acetoacetyloxazolidinones under Co(II)-catalysis.
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(2011)
