Tetrahedron Letters p. 7749 - 7752 (2002)
Update date:2022-09-26
Topics:
Córdova, Armando
Barbas III, Carlos F
The first (S)-2-methoxymethylpyrrolidine (SMP)-catalyzed direct asymmetric Mannich-type reactions of unmodified aldehydes with N-PMP-protected α-imino ethyl glyoxylate are described. The reaction proceeded in a highly anti-selective manner (dr up to 19:1) with enantioselectivities between 74 and 92%.
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