Journal of the Chemical Society. Perkin transactions I p. 1 - 2 (1995)
Update date:2022-08-17
Topics:
D'Souza, Alice A.
Motevalli, Majid
Robinson, Andrew J.
Wyatt, Peter B.
Amidoalkylation of the lithium enolate of (4S,5R)-4-methyl-5-phenyl-3-(phenylacetyl)oxazolidin-2-one 5 by 1-(N-benzyloxycarbonylaminomethyl)benzotriazole 2c, followed by cleavage of the oxazolidinone chiral auxiliary and of the N-benzyloxycarbonyl group, gave (R)-(+)-3-amino-2-phenylpropanoic acid 1, the absolute configuration of which was determined by X-ray crystallography on the salt 8 with (1S)-(+)-camphor-10-sulfonic acid.
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