451 Pyrroles, Porphyrins and Related Compounds 



Streptomyces albus 



Walter D. Celmer, Fred W. Tanner, Jr., M. Harfenist, T. M. 

 Lees and I. A. Solomons, /. Am. Chem. Soc. 74 6304 (1952). 



Walter D. Celmer and I. A. Solomons, ibid. 77 2861 (1955). 

 (Structure) 



915 Noformicin, C,sHi,-ON-, Dihydrochloride m.p. 265° (dec), [a]," 



+ 7.0° (c 1.0 in water). 



[ ] O NH 



HN H C— NH— CHo— CH.2— C— NH2 



Nocardia formica 



Reed A. Gray, Phytopathologij 45 281 (1955). 

 Robert L. Peck, Henry M. Shafer and Frank J. Wolf, U. S. 

 Patent 2,804,463 (1957). 



916 Aureothricin ( Propiopyrrothine ) , CgHioO^N^So, yellow crystals, 



m.p. 256° (dec). 



NH— C— CH,— CH3 



/ 



s — c=c 



s I I 

 \ I I 



CH=C C 



I o 



CH, 



Streptomyces cellulofiavus n. sp. 



Haruo Nishimura, Toshlaki Kimura and Masa Kuroya, /. 

 Antibiotics (Japan) 6A 57 (1953). 



Walter D. Celmer and I. A. Solomons, J. Am. Chem. Soc. 77 

 2861 (1955). (Structure) 



917 Pyoluteorin, CuH^OgNCL., m.p. 174° (dec). 

 Partial structure: 



2 CI 



