713 Addendum 



rivative have been prepared. The melting point of the 

 yellow crystals is given as 178° (dec.)-^" 



Russian antibiotic 6613 may be identical with eta- 

 mycin.^^^ 



Monamycin, CooH3f5_3sO..^N, needles, m.p. 126°. Mono- 

 hydrochloride: m.p. 187°, [a],/^ -62 ±5° (c 0.9 in 

 ethanol), containing 1 N — CH;,, 3 C — CH;^ groups, no 

 U.V., I.R. suggestive of amide links, has been isolated 

 from Streptomyces jamaicensis n. sp.-*° 



Teruchiomycin, Co.sH^^OioN, needles, m.p. 202-204° 

 (dec), a new antibiotic from Streptomyces antibioticus 

 has been reported."*^ 



A new acidic antibiotic, C-159, U.V. max. 345, 260, 

 280 mix, C 58.7, H 7.4, D 24.0, N 9.9% has been pat- 

 ented.-^- 



The blue intracellular pigment of Pseudomonas lemon- 

 nieri has been isolated, purified and characterized.^*^ 



A preliminary investigation has been made of the pig- 

 ments of Trichophyton rubrum.^** 



Rubidin, a quinoid dark red powder with acid base 

 indicator properties, U.V. 320, 415, 490 m^x in butanol, 

 C 51.9, H 5.56, O 42.54, positive FeCly and zinc dust 

 tests, is a substance isolated from an unclassified strep- 

 tomycete.-*^ 



A new antibacterial antibiotic has been reported. ^*^ It 

 had the following properties: yellow needles, m.p. 134°, 

 mol. wt. 397, U.V. maxima at 328.5, 314.5, 298.7 m/x. 

 Positive Millon, Liebermann, Schiff, FeClg and NH3- 

 AgNO^ tests. Probably C22H22O7 with hydroxyl, methyl 

 and 2 ketone groups present. 

 238Koichi Okabe, ibid. 12A 86 (1959). 



239 M. Brazhnikova et al., Antibiotics (USSR) 4 414 (English 

 translation) (1959). 



2*°C. H. Hassall and K. E. Magnus, Nature, Suppl. 184 1223 

 (1959). 



241 H. Umezawa et al., Japanese Patent 850 (1958). 

 2*2 British Patent 814,794 (1959). 



243 Werner Blau, Gladys Cosens and Mortimer P. Starr, Bacteriol. 

 Proc, 153 (1960). 



2^Malati Bacchwal and G. C. Walker, Can. J. Microbiol. 6 383 

 (1960). 



245 A. K. Banerjee, G. P. Sen and P. Nandi, "Antibiotics Annual 

 1955-1956," Medical Encyclopedia, Inc., New York, p. 640. 



246Thadee Staron and Albert Faivre-Amiot, Compt. rend. 250 1580 

 (1960). 



