Nomenclature
CAS number: 1400-67-5
Description and references
Antibiotic substance produced by a strain of Aspergillus oryzae: Shimoda, J. Agric.
Chem. Soc. Jpn. 25, 254 (1951), C.A. 46, 10284 (1952); idem, JP 52 1594 (1952), C.A. 47, 6097 (1953). Production of oryzacidin
A by Streptomyces: idem, JP 65 13198 (1965), C.A. 63, 12284c (1965).
Properties
Hygroscopic needles, dec 162-163°. [α]D13.5 133°. Sol in water, methanol, ethanol, isopropanol, hot acetone.
Slightly sol in butanol, ethyl acetate. Practically insol in ether,
acetone, chloroform, carbon tetrachloride.Derivative
Quinine salt.
Properties
Tabular crystals, dec 210°.Derivative
Oryzacidin A.
Properties
Orange, amorphous powder, mp 231°. Soluble in ether, benzene, carbon
tetrachloride, methanol, ethanol, butyl acetate, chloroform, pyridine,
dioxane, acetic acid, toluene, xylene. Slightly sol or insol in water,
acetone, carbon disulfide, isopropyl ether, petr ether, hexane. pH
of ethanolic soln, 6.6. uv max: 243 nm (E1%1cm 122.5). Stable in direct sunlight.Status
This monograph has been retired and is no longer subject
to revision or update.