215 Depsides and Depsidones 



Lecanora parella Ach. 



The yield was about 1 ^^ . Mannitol also was present. 

 D. Murphy, J. Keane and T. J. Nolan, Sci. Proc. Roy. Dublin 

 Soc. 23 71 (1943). 



443 Lecanoric Acid (Glabratic Acid), C16H14O7, colorless needles, 

 m.p. 175°. 



O 



CH 



C— O OH 



HO OH ! COOH 



CH3 



Parmelia tinctorum Despr., P. horreri Turm., P. scortea 

 Ach. and P. latissima Fee. 



Emil Fischer and Hermann O. L. Fischer, Ber. 46 1138 



(1913). (Synthesis) 



444 Diploschistesic Acid, C^Hi^Os, colorless leaflets, m.p. 174°. 



CH3 



CH. ^°°" 



Diploschistes scruposus (L.) and D. bryophilus (Ehrh.) 

 Lecanoric acid was isolated from the same source. 

 Yasuhiko Asahina and Masaichi Yasue, Ber. 69B 2327 

 (1936). (Synthesis) 



445 Vicanicin, C17H14O5CI2, colorless needles, m.p. 248-250°. 



O 



CH, 

 CI 



Teloschistes flavicans 



A yield of about 1% of the dry lichen weight was ob- 

 tained. 



