221 Depsides and Depsidones 



Alexander St. Pfau, Helv. Chim. Acta 9 650 (1926). 

 461 Baeomycesic Acid, CigHigOs, colorless crystals, m.p. 233°. 



CHa 



Baeomyces roseus Pers., JB. fungoides Ach., Thamnolia 

 subverniicularis Asahina 



Squamatic acid also was present in some cases. 

 Georg KoUer and Walter Maass, Monatsh. 66 57 (1935). 



462 Squamatic Acid (Sphaerophoric Acid), CigHjgOg, colorless crys- 

 tals, m.p. 228° (dec). 



CHaO 



Cladonia bellidifiora var. coccocephala Ach., CI. squa- 

 mosa Hoffm., CI. uncialis (L. ) Web., Thamnolia sub- 

 vermiciilaris Asahina 



A little ^usnic acid was present also. 



Yasuhiko Asahina and Yoshio Sakurai, Ber. 70B 64 (1937). 

 ( Synthesis ) 



463 Hypothamnolic Acid, CigHigOjo, colorless needles, m.p. 217.5'^ 



COOH 



CHs /COO\ 9*^3 



/ 

 CH3O ' ^^OH HO 

 COOH 



Cladonia pseudostellata Asahina 



The yield was about 0.1%. Usnic acid was present 

 also. 



Yasuhiko Asahina, Masaru Aoki and Fukuziro Fuzikawa, 

 Ber. 74B 824 (1941). 



