227 Depsides and Depsidones 



479 Umbilicaric Acid, Co-.HooO,,,, colorless crystals, m.p. 203° (dec.)- 

 Synthetic sample m.p. 189°. 



COOH 



Gyrophora polyphylla (L.), G. deiista (L.) and G. vel- 

 lea (L. ) 



Yasuhiko Asahina and Itiro Yosioka, Ber. 70B 200 (1937). 

 (Synthesis) 



480 Lobaric Acid ( Stereocaulic Acid, Usnetic Acid), Co.-.HofiOs;, color- 

 less needles, m.p. 192°. 



CH3CH0CH0CH0CO ^^^ 



I COO OH 



CH3O v,/ i ^°o" 



CHoCHoCHoCHaCHs 



Stereocaulon paschale Ach., S. exutum Nyl., etc. (wide 

 occurrence ) 



Yasuhiko Asahina and Masaiti Yasue, Ber. 69B 643 (1936). 



481 Glomelliferic Acid, Co-.H^oOs, colorless prisms, m.p. 143°. 

 CH3CH2CH2COH2C 



CH3O OH I XOOH 



CH2CH2CHCH2CH3 



Parmelia glomellifera Nyl. 

 W. Zopf, Ann. 297 303 (1897), 313 341 (1900). 

 Yasuhiko Asahina and Hisasi Nogami, Ber. 70B 1498 

 (1937). 



K. Mlnami, J. Pharm. Soc. Japan 64 315 (1944). 



