Tetrahedron Letters p. 6707 - 6710 (1990)
Update date:2022-08-04
Topics:
Gunda, Tamas E.
Vieth, Siegfried
Koever, Katalin E.
Sztaricskai, Ferenc
The aldimines derived from (1S,2S)-2-amino-1-phenyl-1,3-propanediols as chiral starting materials were used to prepare cis-β-lactams (3, 4) via the Staudinger-reaction.High diastereoselectivity was reached only with large silyl protecting groups.The 6 oxazine derivative was obtained when using butyryl chloride as ketene precursor.
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