Pfizer Handbook of Microbial Metabolites 580 



1109 Aterrimin B, [aU-° +342° in ethanol. U.V. same as A. C 69.7 



H 8.05 O 22.25 (by difference). 



Bacillus subtilis var. aterrimus 



Gordon Alderton and Neva S. Snell, U. S. Patent 2,850,427 

 (1958). 



1110 Aureolic Acid, Mg salt: (C56.6oH96-io4029-3i)2Mg, yellow crystals, 



[aln +68° (c 1 in methanol). 



A weak acid, green FeClg test, negative FehUngs, 

 an throne. 



Streptomyces sp. 



Walton E. Grundy, Alma W. Goldstein, Charles J. Rickher, 

 Marjorie E. Hanes, Halleck B. Warren, Jr. and John C. Sylves- 

 ter, Antibiotics and Chemotherapy 3 1215 (1953). 



im Azalomycin B, C14H24O5, white needles, 185-187° (dec.) [ajc^' 

 -48° (c 1.0 in methanol). U.V. 252.5 m,x. 

 Streptomyces hygroscopicus 

 Manoru Aral, /. Antibiotics (Japan) ISA 51 (1960). 



1112 Azalomycin F, C30H50O10N2, white needles, m.p. 125-127° (dec.) 



[ccW +46° (c 1.0 in methanol). 



U.V. resembles that of musarin and hygrostatin. I.R. 

 differs. 



Positive ninhydrin, negative FeCls, MoHsch, anthrone 

 and Millon. 



Streptomyces hygroscopicus 



H. D. Tresner and E. J. Backus, Appl. Microbiol. 4 243 

 (1956). 



S. A. Waksman and A. T. Henrici, Bergey's "Manual of 

 Determinative Bacteriology," 1957, pp. 796-797. 



Mamoru Arai, /. Antibiotics (Japan) ISA 51 (1960). 



1113 Baccatine A, C26H48O6N0 (proposed). Colorless crystals, m.p. 



135°. Mol. Wt. -^480. 



May be a depsipeptide (peptolide). 



Gibberella baccata. 



Jean Guerillot-Vinet, A. Guerillot-Vinet, Lucien Guyot, Jac- 

 ques Montegut and Louis Roux, Compt. rend. 230 1424 (1950). 



M. M. Shemyakin, Angew. Chem. 72 342 (1960). 



1114 Bacilipin A, sheaves of needles, m.p. 76-78°. 



C 42.6, H 6.3, N 2.5, Ba 24.6. 

 Negative Mohsch, 2,4-DNPH, AgNOg. 

 Positive Br2. 



