6o3 Unclassified Metabalites 



Tomio Takeuchi, Kazuo Nitta and Hamao Umezawa, J. Anti- 

 biotics (Japan) 9 A 22 (1956). 



Kenji Maeda. Tomio Takeuchi, Kazuo Nitta, Koki Yagishita, 

 Ryozo Utahara, Teisuke Osato, Masahiro Ueda, Shinichi Kondo, 

 Yoshiro Okami and Hamao Umezawa, ibid. 9A 75 (1956). 



1251 Poin, crystals, m.p. 142-143°. 



C 59.70, H 7.77, O 32.53 

 Fusarium sporotrichiella var. poae 



O. K. filpidina, Antibiotiki U.S.S.R. 4 46 (273 in English) 

 (1959). 



1252 Primycin, C,.,H.5-0;N, white microcrystals, m.p. 166-168° (dec). 



No reducing properties. Can be acetylated. Strong 

 Sakaguchi test. 



An unclassified actinomycete 



T. Valyi-Nagy, J. Ori and I. Szilagy, Nature 174 1105 (1954). 



1253 Psalliotin, crystalline, water soluble, inactivated by bright light. 



Psalliota xanthoderma 



Nancy Atkinson, Nature 174 598 (1954). 



Idem., Australian Patent 20,272,156 (1957). 



1254 Pulvilloric Acid, buff colored needles, turning bright yellow in 



air. 



An acidic, antifungal antibiotic, containing only C, H, 

 O. Blue FeCli, negative Tollens. Yield 600 mg. per liter. 



PenicilliuTn pulvillorum Turfitt 



P. W. Brian, P. J. Curtis, H. G. Hemming and G. L. F. Norris, 

 Brit. Mycol. Soc. Trans. 40 369 (1957). 



1255 Pumilin, lemon-yellow crystals, m.p. >360°. 



Negative FeCl-,, copper-red in 5 N hydrochloric acid. 



Bacillus pumilis 



0.7 g. was obtained from 500 gal. of broth. 



D. S. Bhate, Nature 175 816 (1955). 



1256 Racemomycin A 



1257 Racemomycin B,* C60H128O32N20, white powder, m.p. (Hydro- 



chloride) 175° (dec), [o^W -45° (c 0.5 in water). 



Positive Molisch, Elson-Morgan and biuret. Negative 

 Sakaguchi, maltol, FeCl^, 2,4 DNPH and Fehhng. Yields 

 ^-lysine and roseonine on hydrolysis. 



1258 Racemomycin C, isolated in a small amount as a salt (m.p. 



210°). 

 * See entry 790. 



