A new conjugated diene amino acid, d,l-2-amino-3(cis), 5-hexadienoic acid, from Clavulinopsis helvola

A new conjugated diene amino acid, d,l-2-amino-3(cis), 5-hexadienoic acid, from Clavulinopsis helvola L-2-amino-4-chloro-4-pentenoic acid, a new natural amino acid from Amanita pseudoporphyria hongo l-2-Aminohex-4-ynoic acid: A new amino acid from Tricholomopsis rutilans A chlorohydrin amino acid from Amanita abrupta A chloro amino acid from Amanita solitaria Isolation and identification of (2S)-2-amino-5-chloro-4- hydroxy-5-hexenoic acid from an Amanita of the section Roanokenses (Amanitaceae) Séparation et caractérisation du l(−)5-méthyl 2-amino 4-hexènoïque à partir de Leucocortinarius bulbiger (S)-cis-2-amino-5-chloro-4-pentenoic acid from the fungus Amanita vergineoides. A new amino acid isolated from Morchella esculenta and related species E-2(S)-amino-3-methyl-3-pentenoic acid from coniogramme intermedia