6311. Muscazone

Nomenclature

CAS number: 2255-39-2
α-Amino-2,3-dihydro-2-oxo-5-oxazoleacetic acid; α-amino-2-oxo-4-oxazoline-5-acetic acid.
C5H6N2O4; mol wt 158.11.
C 37.98%, H 3.82%, N 17.72%, O 40.48%.

Description and references

From Amanita muscaria (L.) Fr., Agaricaceae: Eugster et al., Tetrahedron Lett. 1965, 1813. Structure: Fritz et al., ibid. 1965, 2075; Reiner, Eugster, Helv. Chim. Acta 50, 128 (1967). Synthesis: G"oth et al., ibid. 137.

Chemical structure

Properties

Crystals, decomp above 190°. uv max at pH 2-7: 212 nm (ε 8700); at pH 12: 220 nm (ε 7500).