Author's Organization:Faculty of Pharmaceutical Sciences, Tohoku University Faculty of Pharmaceutical Sciences, Tohoku University Faculty of Pharmaceutical Sciences, Tohoku University Faculty of Pharmaceutical Sciences, Tohoku University Faculty of Pharmaceutical Sciences, Tohoku University
A chlorinated amino acid was isolated from Amanita vergineoides. The stereostructurer was elucidated as (S)-cis-2-amino-5-chloro-4-pentenoic acid, on the basis of spectroscopic analysis.