287 Aromatic Compounds Not Classified Elsewhere 



Loren M. Long and H. D. Troutman, ibid. 71 2469 (1949). 



627 1,8-Dimethoxynaphthalene, C,^.H,oO.>, colorless crystals, m.p. 

 158-161°. 



CH3O OCH;, 



Daldinia concentrica 



8-Methoxyl-l-naphthol also was identified (by paper 

 chromatography ) . 



D. C. Allport and J. D. Bu'Lock, /. Chem. Soc, 654 (1960). 



628 4-Carboxy-2-oxo-3-phenylhept-3-enedioic Acid, C14H12O7, colorless 

 prisms, m.p. 170° (dec). 



O COOH 



HOOC— C— C=C— CH.— CH.— COOH 



Chaetomium indicum Corda 



The yield was 250-500 mg. per liter. In addition to 

 the acid above, two uncharacterized compounds were iso- 

 lated in smaller quantities: Metabolite A, C2,jH:^70(;N, pale 

 yellow needles, m.p. 159°, [a],r" +11.4° (c 1.022 in chlo- 

 roform). Yield 1.5-2.0 g. from 100 1. of broth. Soluble 

 in aqueous NaHCOg. Wine red FeCl, test. Formed an 

 insoluble green-blue copper derivative. 



Metabolite B, colorless prisms, m.p. 146°, [a],,-" +120° 

 (c 1.01 in chloroform). 



Analysis: C 68.1, H 8.2, N 2.7, C-methyl 12^^. Same 

 color tests as A above. 



D. H. Johnson, Alexander Robertson and W. B. Whalley, /. 

 Chem. Soc, 2429 (1953). 



629 Pulvic Anhydride, CiyHi„04, yellow needles, m.p. 222-224°. 



o c=o 



o=c- 



Sticta aurata Ach. 



