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406147
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Pfaltz, A.
Accounts of Chemical Research, 26, 339-339 (1993)
Mauro Marigo et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 10(9), 2133-2137 (2004-04-28)
The first general catalytic asymmetric bromination and chlorination of beta-ketoesters has been developed. The reactions proceed for both acyclic and cyclic beta-ketoesters catalyzed by chiral bisoxazolinecopper(II) complexes giving the corresponding optically active alpha-bromo- and alpha-chloro-beta-ketoesters in high yields and moderate
Tetrahedron Letters, 45, 4213-4216 (2004)
Bolm, C.
Angewandte Chemie (International Edition in English), 30, 542-542 (1991)
Tetrahedron Letters, 44, 7849-7850 (2003)
Nicholas Gathergood et al.
Organic & biomolecular chemistry, 2(7), 1077-1085 (2004-03-23)
The direct aldol reaction of 2-ketoesters catalyzed by chiral bisoxazoline copper(II) complexes has been investigated. First the direct homo-aldol reaction of ethyl pyruvate is reported which proceeds to give diethyl 2-hydroxy-2-methyl-4-oxoglutarate. This was isolated as the more stable optically active
L C Madoff et al.
Infection and immunity, 60(12), 4989-4994 (1992-12-01)
Group B streptococci (GBS) cause the majority of cases of neonatal sepsis and meningitis in the United States. Immunization of women of childbearing age is one strategy under consideration for the prevention of neonatal disease. The beta C protein, a
Gant, T.G. Meyers, A.I.
Tetrahedron, 50, 2297-2297 (1994)
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