581 Unclassified Metabojites 



M15 Bacilipin B, crystals, m.p. 105°. 



C 52.45, H 6.75, N 2.09, Ba 21.6 



Gave same tests as Bacilipin A. 



Both A and B gave positive ninhydrin after hydrolysis. 



Bacillus subtilis 



G. G. F. Newton, Brit. J. Exptl. Biol. -iO 306 (1949). 



1116 Bacilysin, white powder containing C, H, O and N. 



Gives a positive ninhydrin; negative biuret and MoUsch 

 tests. 



Produced by the soil bacillus NTCC 7197. 



E. P. Abraham and H. W. Florey, "Antibiotics," Vol. I 

 Antibiotics from bacteria in the genus bacillus, Oxford Uni- 

 versity Press, London, 1949 Chap. 10, pp. 457-458. 



1117 Biformyne 1 (Biformin), C9H20O0, white crystalHne solid, m.p. 



40-43°, U.V. 276, 278, 291 m^x in alkaH. 



Polyporus biformis 



Marjorie Anchel and Marvin P. Cohen, /. Biol. Chem. 208 

 319 (1954). 



1118 Blasticidin A, C4r,..,2, H^.^o N4.7, light yellow powder, m.p. 197- 



201°. U.V. 216 m^. Soluble in HoO. 



1119 Blasticidin B, colorless liquid, b.p. 36° (0.001 mm.). Insoluble 



in H.O. 



1120 Blasticidin C, red-brown powder. Insoluble in HoO. 



Streptomyces griseochromogenes 



Kazuo Fukunaga, Tomomasa Misato, Itaru Iskii and Masaru 

 Asakawa, Bull. Agr. Chem. Soc. (Japan) 19 181 (1955). 



1121 Blasticidin-S, Ci4H2o05N6, white needles, m.p. 235° (dec), 



[ale" +108.4° (c 1.0 in water). 



A basic antibiotic (forms a picrate). 



Negative FeCl.j, Fehling, Tollens, Millon, Ehrlich, 

 Sakaguchi, MoUsch, biuret, ninhydrin, aldehyde and 

 ammoniacal AgNOg tests. Blasticidin-S is a member of a 

 complex with at least three other components, blasticidins 

 A, B and C. 



Streptomyces griseochromogenes 



Setsuo Takeuchi, Kosei Hirayama, Kazaburo Ueda, Heiichi 

 Sakai and Hiroshi Yonehara, /. Antibiotics (Japan) llA 1 

 (1958). 



