Oryzacidin
Title: Oryzacidin
CAS Registry Number: 1400-67-5
Literature 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°. [a]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.
Optical Rotation: [a]D13.5 -133°
 
Derivative Type: Quinine salt
Properties: Tabular crystals, dec 210°.
 
Derivative Type: 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.
Melting point: mp 231°
Absorption maximum: uv max: 243 nm (E1%1cm 122.5)
 
 
Status: This monograph has been retired and is no longer subject to revision or update.

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