595 



Unclassified Metabolites 



Occurs with azomycin and antibiotic 446. 

 Nocardia mesenterica 



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

 pan) 8A 164 (1955). 



1198 Metabolite, C24H-0O2, colorless crystals, m.p. 82°. 



Negative Liebermann-Burchard, KMnO,, tetranitro- 

 methane tests. 



Amanita phalloides 



Heinrich Wieland and Gustav Coutelle, Ann. 548 270 ( 1941 ). 



1199 Metabolite of Coprinns comatis, Ci2Hi,.0N<>S, m.p. 157°. 



A basic compound, containing a phenolic hydroxyl 

 group. Positive Millon, Pauly diazo tests. Raney nickel 

 desulfurization gave a compound, m.p. 250° (dec). 



Copriniis comatis Gray 



Paul Heinz List, Arch. Pharm. 291 502 (1958). 



1200 Metabolite from Curvularia lunata, Ci4His,05, colorless needles, 



m.p. 195°. 



Insoluble in aqueous sodium carbonate, soluble in aque- 

 ous sodium hydroxide. Brown color with alcoholic ferric 

 chloride. 



Curvularia lunata 



Also isolated from the same culture were mannitol and 

 a trace of crystalline material, m.p. 176-178° (dec). 



T. Krishna Murty and S. Sankara Subramanian, Indian J. 

 Pharm. 20 72 (1958). 



1201 Metamycin, white crystals, m.p. 173° (dec.) [ajr^^^ +36.6 (c 



d.ll in methanol) U.V. 237, 305-307 m^ in 0.1 N sodium 

 hydroxide. 



C 43.95, H 4.06, N 14.45, S 13.57. 



Positive Fehhng, Tollens, Bro, decolorization of per- 

 manganate, 2,4-DNPA tests. Negative FeClg and Saka- 

 guchi tests. 



Streptomyces matensis 



P. Sensi, R. Ballotta and G. G. Gallo, Antibiotics and Chemo- 

 therapy 9 76 (1959). 



1202 Microcin A, neutral, reddish violet in color, separated at pH 7.0. 



1203 Microcin B, acidic, yellowish red, slightly soluble in water sepa- 



rated at pH 2.0. 



Both give negative Molisch and FeClg; vary from mi- 

 cromonosporin in activity, have much resistance to U.V. 



