Pfizer Handbook of Microbial Metabolites 



246 



Partial structure: 



HO 



OH 



2 CH2O2 

 1 OH 



Thelephora palmata, other Thelephora spp., Lobaria 

 retigera Trev., L. pulmonaria (L.) HofFm., Hydnum spp., 

 Cantharelliis multiplex Underw., Polystictus versicolor 

 (L.)Fr. 



Fritz Kogl, Hanni Erxleben and Ludwig Janecke, Ann. 482 

 105 (1930). 



K. Aghoramurthy, K. G. Sarma and T. R. Seshadri, Tetra- 

 hedron Letters No. 8 20 (1959). (Revised structure) 



508 Muscarufin, C25Hi609-H20, orange-red needles, m.p. 275.5°. 



COOH 

 HO ? 



CH=CH— CH=CH— COOH 



COOH 



Amanita muscaria (Linn.) Fries 



This pigment causes the red color of the caps of this 

 common poisonous toadstool (fly agaric), yet 500 kg. of 

 the fungus yielded only 850 mg. of pure material. 



Fritz Kogl and Hanni Erxleben Ann. 479 11 (1930). 



509 Auriantiacin (Atromentin-3,6-dibenzoate), CgoHooOj-, dark red 

 needles, m.p. 285-295°. 



O 



o— c- 



Hydnum aurantiacum Batsch. 



