Pfizer Handbook of Microbial Metabolites 266 



Solorina crocea (L. ) Ach. 



G. Roller and H. Russ, Monatsh. 70 54 (1937). 



575 Resistomycin, CouHi^Og, yellow needles, m.p. 315° (dec.) (sub- 

 limes from 215°). 



CH3— 



OH O 



Streptomyces resistomycificus 



Hans Brockmann and Giinter Schmidt-Kastner, Chevi. Ber. 

 87 1460 (1954). (Isolation) 



H. Brockmann, E. Meyer and K. Schrempp, Dissertations, 

 University of Gottingen, 1954, 1958. (Partial structure by 

 courtesy of Prof. Brockmann) 



576 Granatacin, C20H20O10, pomegranate-red crystals, m.p. 204- 



206° (dec). 



A tricyclic tetrahydroxyquinonedicarboxylic acid with 

 antibiotic properties. 



Streptomyces olivaceus (Waksman) Waksman and 

 Henrici 



R. Corbaz, L. Ettlinger, E. Gaumann, J. Kalvoda, W. Keller- 

 Schierlein, F. Kradolfer, B. K. Manukian, L. Neipp, V. Prelog, 

 P. Reusser and H. Zahner, Helv. Chim. Acta 40 1262 (1957). 



577 Luteomycin (Antibiotic 289), C2cH;5;.OioN (proposed), (Hydro- 



chloride) orange-yellow crystals, m.p. 199° (dec). 



Color changes to purple in alkali. Positive quinone- 

 Na^COg, FeClg. Negative ninhydrin, biuret, MoUsch, 

 Fehling, Sakaguchi. Can be precipitated as reineckate, 

 helianthate or pier ate. 



Streptomyces flaveolus, S. tanashiensis related to S. an- 

 tibiotic us 



Toju Hata, Tomojiro Higuchi, Yoshimoto Sano and Katuko 

 Sawashi, Kitasato Arch. Exptl. Med. 22 229 (1949). 



Hamao Umezawa, Tomio Takeuchi, Kazuo Nitta, Kenji 



