12-05649. Lycomarasmine [Archived]

Nomenclature

CAS number: 7611-43-0
N-[2-[(2-Amino-2-oxoethyl)amino]-2-carboxyethyl]-l-aspartic acid; Welkstoff.
C9H15N3O7; mol wt 277.23.
C 38.99%, H 5.45%, N 15.16%, O 40.40%.

Description and references

Antibiotic peptide (tomato-wilting agent) produced by the fungus Fusarium lycopersici. Isoln: Plattner, Clauson-Kaas, Helv. Chim. Acta 28, 188 (1945). Structure: eidem, Experientia 1, 195 (1945); Hardegger et al., Helv. Chim. Acta 46, 60 (1963).

Chemical structure

Properties

Crystals, dec 227-229°. [α]D20 42 to 48° (aq soln at pH 7). Acid reaction. Sparingly sol in water; freely sol in dil acids or alkalies.

Status

This monograph has been retired and is no longer subject to revision or update.