Pfizer Handbook of Microbial Metabolites 506 



1001 Cinnabarin (Polystictin), C14H10O5N2, red needles, m.p. : dec. 

 >320°. 



HOCH 



Coriolus sanguineus Fr. [= Polyporus cinnabarinus 

 Ft. = P. sanguineus Fr. = P. coccineus Fr. = P. puniceus 

 Kalch. = Poly stictus cinnabarinus (Jacq.) = P. sanguin- 

 eus L. = P. semisanguineus Lloyd = Trametes cinnabarina 

 (Jacq.)Fr.] 



About 100 mg. of red pigment were obtained from 55 g. 

 of mycelium. 



Jarl Gripenberg, Acta Chem. Scand. 5 590 (1951). 



G. W. K. Cavill, B. J. Ralph, J. R. Tetaz and R. W. Werner, 

 J. Chem. Soc, 525 (1953). 



Jarl Gripenberg, Acta Chem. Scand. 12 603 (1958). (Struc- 

 ture) 



The same phenoxazone chromophore which occurs in 

 cinnabarin and the actinomycins has been found in cer- 

 tain insect pigments called ommatins, e.g. xanthommatin : 



HOOC— CH— CH, ^^ ^^^^ 



I I HO COOH 



NH.. C=0 



I 



N 



\ 

 O 



Adolf Butenandt, Ulrich Schledt, Ernst Bickert and R. Jan. 

 T. Cromartie, Ann. 590 75 (1954). 



1002 Pigment A, C14H11O2N3 -21120, red crystals, dec. without melting. 

 Tentative structure: 



CH3 



\e 0OH NH2- HCI 

 .N^ /^ / V —COOH 



Yield 12-20 mg. per liter 

 and 



