N-Benzylhydroxylamine Addition to β-Aryl Enoates. Enantioselective Synthesis of β-Aryl-β-amino Acid Precursors
摘要:
[GRAPHICS]Chiral Lewis acid catalyzed N-benzylhydroxylamine addition to pyrrolidinone-derived enoates afforded beta-aryl-beta-amino acid derivatives in high enantiomeric purity with moderate to very good chemical efficiency.
N-Benzylhydroxylamine Addition to β-Aryl Enoates. Enantioselective Synthesis of β-Aryl-β-amino Acid Precursors
摘要:
[GRAPHICS]Chiral Lewis acid catalyzed N-benzylhydroxylamine addition to pyrrolidinone-derived enoates afforded beta-aryl-beta-amino acid derivatives in high enantiomeric purity with moderate to very good chemical efficiency.
Enantioselective Diels-Alder Reactions: Effect of the Achiral Template on Reactivity and Selectivity
作者:Mukund Sibi、Jianxie Chen、Levi Stanley
DOI:10.1055/s-2007-968014
日期:2007.2
Several achiral templates have been evaluated in chiral Lewis acid mediated enantioselective Diels-Alder reactions. Templates such as pyrrolidinones and pyrazolidinones that are capable of forming six-membered chelates with the Lewis acid exhibited the best reactivity and highest selectivity.
<i>N</i>-Benzylhydroxylamine Addition to β-Aryl Enoates. Enantioselective Synthesis of β-Aryl-β-amino Acid Precursors
作者:Mukund P. Sibi、Mei Liu
DOI:10.1021/ol006500e
日期:2000.10.1
[GRAPHICS]Chiral Lewis acid catalyzed N-benzylhydroxylamine addition to pyrrolidinone-derived enoates afforded beta-aryl-beta-amino acid derivatives in high enantiomeric purity with moderate to very good chemical efficiency.