577 



Unclassified Metabolites 



Bacillus pumilis 



A. T. Fuller, Nature 175 722 (1955). 



1092 Antibiotic from Monosporium honorden, CiyHibOy, colorless 



crystals, m.p. 193.5°, [a],r" +203° (in chloroform). 



Two phenolic hydroxyl groups, one active hydrogen on 

 an aromatic ring, one double link in a side-chain and a 

 free carboxyl group present. 



Molecular structure may be closely related to the struc- 

 ture proposed for mycophenolic acid. 



Monosporium honorden 



P. Delmotte and J. Delmotte-Plaquee, Nature 171 344 

 (1953). 



1093 Antibiotic from Penicillium spinulosum, fine white needles, 



m.p. 183-185°. 



Penicillium spinulosum 



Shegejii Kondo and Bunji Takahashi, /. Penicillin (Japan), 

 1 147 (1947). 



1094 Antibiotic from S. abikoensis, yellow powder. Heptaene. U.V. 



242, 358, 400 m/x in ethanol. Actinoleukin in mycelium. 



Streptomyces abikoensis 



Masahiro Ueda and Hamao Umezawa, J. Antibiotics (Ja- 

 pan) 9A 86 (1956). 



1095 Antibiotic from S. /ungicirfict/s. U.V. 290, 303, 317 m^^. Similar 



to fungicidin or rimocidin. 



Positive Fehling, Molisch, Negative Millon, Sakaguchi, 

 Schiff, ToUens, FeCl.v Blue with FeClg-K ferricyanate; 

 decolorizes KMn04. 



Streptomyces fungicidicus 



Hamao Umesawa, Yoshio Okami and Ryozo Utahara, Japa- 

 nese Patent 5744 (1956). 



1096 Antibiotic from S. griseus. Heptaene. U.V. 359-362, 378- 



382, 401-405 m/x. 



Streptomyces griseus 



Richard A. Pledger and Hubert Lechevalier, "Antibiotics 

 Annual 1955-1956," Medical Encyclopedia, Inc., New York, 

 p. 249. 



1097 Antibiotic 26/1, yellow crystalline. Heptaene. U.V. 359, 380, 



404 m^ in ethanol. 



Alcohol solution turns violet with H2SO4; decolorizes 

 KMn04. Negative biuret and ninhydrin. 



