Pfizer Handbook of Microbial Metabolites 578 



Actinomyces globisporus 



V. A. Tsyganov, P. N. Golyakov, A. M. Bezborodov, V. P. 

 Namestnikova, G. V. Khopko, S. N. Solov'ev, M. A. Malyshkina 

 and L. O. Bol'shakova, Antibiotiki 4 21 (1959). 



1098 Antibiotic 446, white crystalline powder, m.p. 81-87°, [a]u^^ 



-82° (c 0.5 in ethanol). U.V. 230-231, 280 m^i. 



C 60.47, H 7.99, N 2.02 



Negative Fehling. 



Nocardia mesenterica 



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

 pan) 8A 164 (1955). 



1099 Antibiotic 720-A,* C2SH40O9N0, white needles, m.p. 139.5-140°, 



[a]i/' +73.5° (c 1.0 in acetone) U.V. 227, 346 m^. 



Positive FeClg; negative Molisch, ninhydrin, biuret, 

 Ehrlich and 2:4 DNPH. 



Streptomyces n. sp. 



Yoshio Sakagami, Setsuo Takeuchi, Hiroshi Yonehara, 

 Heiichi Sakai and Matao Takashima, /. Antibiotics (Japan) 

 9A 1 (1956). 



1100 Antibiotic 587/13, Hydrochloride 



C 39.5, H 6.97, N 15.7, CI 16.75 



Streptomyces lavendulae 



D. M. Trakhtenberg, V. M. Baikina, E. 1. Rodionovskaya, 

 1. M. Prosnyakova, O. A. Kalinovskii, Yu V. Zakharova and 

 A. A. Khokhlov, Antibiotiki (U.S.S.R.) 4 9 (1959). 



1101 Antibiotic 1037, crystalline needles, m.p. 283-289°, [^W^ -51°. 



C 49.33-49.47, H 4.56-4.90, N 23.75-24.14, no halo- 

 gen or sulfur 



Streptomyces sp. 



Hiroshi Yamamoto, Shlgehlro Fujli, Koichi Nakazawa, 

 Akira Miyake, Hiromu Hitomi and Masahiko Imanishl, Ann. 

 Repts. Takeda Research Lab. 16 26 (1957). 



1102 Antibiotic 6270,t CooHs-NeSO^.^, crystalUne. 



Streptomyces fiavochromo genes 



M. G. Brazhnikova, Czech. Symposium on Antibiotics 

 (Prague), 140 (1959). 



1103 Antibiotic 6706,1 C26-27H32O8N4, colorless needles, m.p. 214- 



216°, U.V. 304" ni;,."" 



Gives negative FeCLj, Fehling, Tollens, ninhydrin and 



Millon tests. 

 * See entry 269 (antimycin Ai). 

 t Cf. entry 1089. 

 X See pyridomycin, entry 752. 



