Isolation and identification of (2S)-2-amino-5-chloro-4- hydroxy-5-hexenoic acid from an Amanita of the section Roanokenses (Amanitaceae)

Isolation and identification of (2S)-2-amino-5-chloro-4- hydroxy-5-hexenoic acid from an Amanita of the section Roanokenses (Amanitaceae) L-2-amino-4-chloro-4-pentenoic acid, a new natural amino acid from Amanita pseudoporphyria hongo A chlorohydrin amino acid from Amanita abrupta (S)-cis-2-amino-5-chloro-4-pentenoic acid from the fungus Amanita vergineoides. A chloro amino acid from Amanita solitaria (2R)-2-AMINO-6-HYDROXY-4-HEXYNOIC acid, and related amino acids in the fruiting bodies of amanita MICULIFERA fn1 fn1Dedicated to Prof. G. H. N. Towers on the occasion of his 75th birthday. Part 25 in the series ‘‘Biochemical studies on nitrogen compounds of fungi’’. For Part 24, see ref. [5]. in honour of professor G.H. Neil Towers 75th birthday A novel chloro-substituted pentenamide from the fruiting bodies of <i>Amanita virgineoides</i> l-2-Aminohex-4-ynoic acid: A new amino acid from Tricholomopsis rutilans α-Amino acids from a mushroom, Amanita castanopsidis Hongo, with growth-inhibiting activity A toxic amino acid, 2(S)3(R)-2-amino-3-hydroxypent-4-ynoic acid from the fungus Sclerotium rolfsii