(+)-O,O′-Di-pivaloyl-D-tartaric acid is a chiral protonating agent (CPA).[1]
Altre note
Reagent for the "deracemization" of carbonyl compounds by enantio-selective protonation of enamines or Li-enolates [2][3][4]; Synthesis of optically active α-amino acids [5]
Enantioselective protonations: fundamental insights and new concepts.
Duhamel L, et al.
Tetrahedron Asymmetry, 15(23) (2004)
Deracemization by enantioselective protonation. A new method for the enantiomeric enrichment of. alpha.-amino acids.
L. Duhamel, J.-C. Plaquevent
Journal of the American Chemical Society, 100, 7415-7415 (1978)
Deracemisation par protonation enantioselective.
L. Duhamel, J.-C. Plaquevent
Tetrahedron Letters, 2285-2285 (1977)
L. Duhamel
Bulletin de la Societe Chimique De France, II, 421-421 (1984)
Ligand exchange in asymmetric reactions of lithium enolates: application to the deracemization of a-aminoacids.
L. Duhamel et al.
Tetrahedron Letters, 27, 4975-4975 (1986)
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