| Asymmetric alkylations of a sultam-derived glycinate equivalent: practical preparation of enantiomerically pure α-amino acids | Tetrahedron Letters |  | | 1989 | 199 | 0 |
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| Asymmetric alkylation of N-acylsultams: a general route to enantiomerically pure, crystalline C(α,α)-disubstituted carboxylic acid derivatives | Tetrahedron Letters | | | 1989 | 215 | 0 |
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