5y3 Unclassified Metabolites 



Streptomyces aureus 



Masahiro Ueda, Yukio Tanigawa, Yoshiro Okami and Hamao 

 Umezavva. /. Antibiotics (Japan) 7A 125 (1954). 



1067 Akitamycin, [a],r' +158° (c 0.5 in dimethylformamide), U.V. 



291, 303.5, 319 m^t. Tetraene, C 57.26, H 7.68, N 1.64. 

 Streptomyces akitaensis 

 J. Antibiotics (Japan) 12B 293, 295, 297 (1959). 



1068 Albidin, C-,H402 (proposed), red needles, not melting below 



380°. 



Unstable. Most stable below pH 3. 



Penicilliurn albidum 



P. J. Curtis and J. F. Grove, Nature 160 574 (1947). 



P. J. Curtis, H. G. Hemming and C. H. Unwin, Brit. Mycol. 

 Soc. Trans. 34 332 (1951). 



1069 Albofungin, bright yellow powder, dec. 190°, U.V. 240, 255, 305, 



375 m,jL. Contains C, H, N, O. 



Streptomyces albus var. fungus 



A. S. Chochlov, Czech. Symposium on Antibiotics (Prague), 

 154 (1959). 



1070 Albomycetin, C32H54O9N (proposed), colorless crystals, m.p. 



166°. 



A basic substance precipitated by ammonium reineck- 

 ate. Positive Fehlings, Tollens, cherry colored Elson- 

 Morgan. Negative FeCIa, Sakaguchi, Molisch, Millon. 

 May be a macrohde. 



Streptomyces albus 



Bunji Takahashi, J. Antibiotics (Japan) 7A 149 (1954). 



1071 Alboverticillin (Hydrochloride), colorless, amorphous, [a]D^° 



-33.5° (c 1.0 in water). 



Negative U.V., Tollens, Molisch, Benedict, maltol, Elson- 

 Morgan, biuret, Millon, Sakaguchi, anthrone and FeClg. 

 Positive ninhydrin, Fehling. 



Streptomyces sp. 



Kenji Maeda, Sinichi Kondo, Kofumi Ohl, Hiroko Kondo, 

 E. Lin Wang, Yasusuke Osato and Hamao Umezawa, 7- Anti- 

 biotics (Japan) HA 30 (1958). 



1072 Aliomycin, yellowish brown powder. Contains C, H, N, O, S. 



Pentaene. U.V. 321, 330, 351 m^x. 



Positive Fehling (on heating, weakly positive Molisch, 

 red purple in concentrated H2SO4). 



Streptoinyces acidomyceticus 



