期刊
JOURNAL OF ORGANIC CHEMISTRY
卷 76, 期 24, 页码 10279-10285出版社
AMER CHEMICAL SOC
DOI: 10.1021/jo201817k
关键词
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资金
- Brown University
- Royce
Isocyanoacetates are uniquely reactive compounds characterized by an ambivalent isocyano functional group and an enolizable alpha-carbon. It is widely believed that chiral alpha-substituted isocyanoacetates are configurationally unstable in some synthetically useful isocyanide-based multicomponent reactions. Herein, we demonstrate that chiral isocyanoacetates can be used with minimal to negligible epimerization in a variety of canonical Ugi four-component condensations as well as Joullie-Ugi three-component condensations, reactions that are particularly useful for constructing complex peptide structures in a single synthetic operation.
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