Journal
JOURNAL OF ORGANIC CHEMISTRY
Volume 86, Issue 11, Pages 7757-7772Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.joc.1c00406
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Funding
- University of the Basque Country UPV/EHU [UFI QOSYC 11/22]
- Basque Government (GV grant) [IT1236-19]
- Ministerio de Ciencia e Innovacion (MICINN), Spain [CTQ2016-78487-C2]
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This study reports a highly enantio- and syn-selective synthesis of beta-hydroxy alpha-amino acids from glycine imine derivatives under Bronsted base catalysis. The key lies in the use of benzophenone-derived imine of glycine o-nitroanilide as a pronucleophile, where the o-nitroanilide framework provides an efficient hydrogen-bonding platform that accounts for nucleophile reactivity and diastereoselectivity.
Here we report the highly enantio- and syn-selective synthesis of beta-hydroxy alpha-amino acids from glycine imine derivatives under Bronsted base (BB) catalysis. The key of this approach is the use of benzophenone-derived imine of glycine o-nitroanilide as a pronucleophile, where the o-nitroanilide framework provides an efficient hydrogen-bonding platform that accounts for nucleophile reactivity and diastereoselectivity.
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