289 Aromatic Compounds Not Classified Elsewhere 



Lepraria citrina 



O. P. Mittal and T. R. Seshadri, J. Chem. Soc, 3053 (1955). 

 (Isolation) 



Idem., ibid., 1734 (1956). (Synthesis) 



634 Mycolutein, C00H24O6N (proposed), bright yellow tablets, m.p. 



157°, [afn"' +54° (c 1 in chloroform). 



Contains an aromatic nucleus. Alkali-unstable. Neg- 

 ative FeCla. Decolorizes bromine with HBr evolution. 

 Streptomijces sp. 



Henry Schmitz and Robert Woodside, Antibiotics and 

 Chemotherapy 5 652 (1955). 



635 Epanorin, CosHojOoN, yellow needles, m.p. 135°, [ajo^^ -1.86 



±0.2° (c 6.48 in chloroform). 



CH2— CH(CH3)2 

 I 

 NH— CH— COOCH3 



I 



C=0 OH 



<Q>-C=C-C=C-Q) 



o c=o 



Lecanora epanora Ach. 

 Zeorin was found in the same extract. 

 Robert L. Frank, S. Mark Cohen and James N. Coker, /. Am. 

 Chem. Soc. 72 4454 (1950). (Structure and synthesis) 



636 Rhizocarpic Acid, CogHssOeN, yellow needles, m.p. 177°, [ajn^" 



+ 110.4° ±2.1° (c 1.22 in chloroform). 



COOCH3 



NH— CH— CH2— (^^> 

 C=0 OH 



<Q_kc-c=c-Q> 

 o c=o 



Rhizocarpon geographicum L.,R. viridiatrum Flk., Cali- 

 cium hyperellum Ach. 



Robert L. Frank, S. Mark Cohen and James N. Coker, /. Am. 

 Chem. Soc. 72 4454 (1950). (Synthesis) 



