Tetrahedron Asymmetry p. 3789 - 3799 (1997)
Update date:2022-09-26
Topics:
Gittins, Catrin A.
North, Michael
The sparteine induced asymmetric addition of organolithium reagents to α,β-unsaturated imines has been used to prepare non-racemic α-amino acids and their derivatives. The effect of various protecting groups for the nitrogen atom was investigated and p-methoxyphenyl derivatives were found to give the best enantiomeric excess whilst trimethylsilyl protected imines were the most versatile for subsequent manipulation.
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