Four cyclopropane amino acids from Ephedra

Four cyclopropane amino acids from Ephedra New observations on the secondary chemistry of world <i>Ephedra</i> (Ephedraceae) Structural determination of carnosadine, a new cyclopropyl amino acid, from red alga Grateloupia carnosa Addendum. Spectroscopic characterization of two new amino acids from Aesculus californica CYCLOPROPYLALANINE, AN ANTIFUNGAL AMINO ACID OF THE MUSHROOM <i>AMANITA VIRGINEOIDES</i> BAS Isolation from atelia herbert-smithii pittier (sophoreae, leguminosae) and x-ray structure of cis-1-amino-3-hydroxymethyl-cyclobutane-1-carboxylic acid, an achiral non-protein amino acid 4-Carboxy-4-hydroxy-2-aminoadipic acid and other acidic amino acids in Caylusea abyssinica Polyoxypeptin isolated from Streptomyces: A bioactive cyclic depsipeptide containing the novel amino acid 3-hydroxy-3-methylproline Structure Determination of Neoefrapeptins A to N: Peptides with Insecticidal Activity Produced by the Fungus Geotrichum candidum Cyclopeptides from the Bark of <i>Discaria </i><i>a</i><i>mericana</i>