523 



Pyrimidines 



1021 Bamicetin, CosH^oO,,N,., white microcrystals, m.p. 240° (dec), 

 [a],,-"" +123° (c 0.5 in 0.1 N hydrochloric acid). 

 Partial Structure: 



C13HJ4O5N 



\/N 



■r 



N 



NH-C-/ \ 

 O 



O CH3 

 NH— C— C— CH2OH 

 NH2 



Streptomyces plicatus 



Theodore H. Haskell, Albert Ryder, Roger P. Frohardt, Sal- 

 vatore A. Fusari, Zbigniew L. Jakubowsjci and Quentin R. 

 Bartz, ;. Am. Chem. Soc. 80 743 (1958). 



1022 Amicetin (Sacromycin, Allomycin), C29H42O9N6, colorless nee- 

 dles, m.p. 165-169°, [a],.-' +116.5° "(c 0.5 in 0.1 N hy- 

 drochloric acid). 



Amosamine 



CH, 



[ HOCH> 



CH3 



OH 



CH3 



CH3 



0^\ /=N 

 N // 



/ 



O 



NH— C- 



O CH3 



II I 

 NH— C— C— CH2OH 



NH, 



a-Methyl- 

 D-serine 



Cytosine 



p-Aminobenzoic 

 Acid 



Streptoviyces vinaceus-drappus, S. fasciculatus, S. sin- 

 denensis, S. plicatus 



Edwin H. Flynn, J. W. Hinnan, E. L. Caron and D. O. Woolf, 

 Jr., ;. Am. Chem. Soc. 75 5867 (1953). 



