New chiral derivatizing agents: convenient determination of absolute configurations of free amino acids by 1H NMR.

作者: Michio Kurosu , Kai Li

DOI: 10.1021/OL8028719

关键词: Nuclear magnetic resonance spectroscopyProton NMRAbsolute (perfumery)Computational chemistryChemistryNitrogenFree aminoChiral derivatizing agentReagentOrganic chemistryStereoisomerism

摘要: The chiral carbonate reagents 5 allow for the direct and unambiguous determination of absolute configurations a wide range free amino acids using (1)H NMR. By approximately 3:1 mixture (S)-5 (R)-5, corresponding carbamates are determined by only analyzing nitrogen protons.

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