Pfizer Handbook of Microbial Metabolites 262 



T. R. Seshadri and S. Sankara Subramanian, Proc. Indian 

 Acad. Sci. 30A 67 (1949). 



558 Roseopurpurin (Carviolin), CieHjoOg, yellow needles, m.p. 

 286°. 



CH2OH 



HO O OCH3 

 Penicillium roseopurpureum Dierckx 



559 A second pigment, carviolacin, CooHjeO;, light brown 

 needles, m.p. 243° (dec), was isolated from this mold. 

 It is apparently closely related in structure. 



Theodore Posternak, Helv. Chim. Acta 23 1046 (1940). 

 H. G. Hind, Biochem. J. 34 67, 577 (1940). 



560 Erythroglaucin (Catenarin 6-Methyl Ether), CigHisOg, deep red 



plates or needles, m.p. 205°. 



CH3O 



Aspergillus glaucus (ten spp.) 



The former rubroglaucin was shown to be a mixture of 

 physcion and erythroglaucin. 



Julius Nicholson Ashley, Harold Raistrick and Taliesin 

 Richards, Biochem. J. 33 1291 (1939). 



561 Neophromin, CieHisO,,, ocher colored needles, m.p. 198° (dec). 



A quinone-like pigment. 



Neophromium lusitanicinn 



O. Hesse, J. prakt. Chem. 57 409 (1898). 



562 Dermocybin, C^^-H^.^O-, red needles, m.p. 228°. 



This is an incompletely characterized anthraquinone 

 pigment. It has five nuclear hydroxyl groups, one of 

 them methylated. It is produced along with emodin by 



