587 Unclassified Metabolites 



The yield is 1-2% of the weight of the dry sclerotia. 



G. Eglinton, F. E. King, G. Lloyd, J. W. Loder, J. R. Marshall, 

 Alexander Robertson and W. B. Whalley, /. Chem. Soc, 1833 

 (1958). 



The relationship of ergofiavin to the other yellow pig- 

 ments, secalonic acid, ergochrysin, chrysergonic acid, 

 sclererythrin, scleroxanthin, sclerocristallin and ergoxan- 

 thin (some of them identical) is discussed in the above 

 paper as well as in an earlier paper by: 



Albert Freeborn, Pharm. J. 88 568 (1912). 



A. Stoll, J. Renz and A. Brack, Helv. Chim. Acta. 35 2022 

 (1952). 



1153 Estin, C„iHi40,.CL, m.p. 223°. 



Contains two methoxyl groups. A second and similar 

 compound, Nordin, is produced with it. A 143 mg. sam- 

 ple of the mixture was obtained from 1480 ml. of culture 

 solution. 



Penicillium paxilli var. echinulatum 



Eitaro Komatsu, Japanese Patent 4799 (1953). 



1154 Eumycetin, fine white needles, m.p. 148-150°. 



Positive FeCl.-,, negative biuret, ninhydrin, Molisch, 



Fehling. 



Streptomyces sp. similar to S. purpurochromogenes 

 Edwin A. Johnson and Kenneth L. Burdon, J. Bacteriol. 51 



591 (1946). 



1155 Eumycin, amorphous precipitate, heat-stable in acid, unstable 



in alkaline solutions above pH 8.0. 



Bacillus subtilis 



Edwin A. Johnson and Kenneth L. Burdon, J. Bacteriol. 51 

 591 (1946). 



1156 Exfoliatin, CotH^oOisCI, colorless needles, m.p. 172°. 



Positive FeClg, Molisch, Negative Fehling. 

 Streptomyces exfoliatus 



Hamao Umezawa, Kiyoshi Oikawa and Motoko Suzuki, /. 

 Antibiotics (Japan) 5 466 (1952). 



1157 Fairodin, crystalline, m.p. 237-239° (dec.) [a]v'^ -102° (c 1 



in water). 



C 59.6, H 6.7, N 14.3. 

 Bacillus brevis 



