Pfizer Handbook of Microbial Metabolites 226 



476 Hiascic Acid, C24H20OH, colorless crystals, m.p. 190.5° (dec.)- 



CH3 



COOH 



Cetraria hiascens Th. Fr. 

 Gyrophoric acid also was present. 



Yasuhiko Asahina and Tunaharu Kusaka, Bull. Chem. Soc. 

 Japan 17 152 (in German) (1942). 



477 Anziaic Acid, C04H30O7, colorless, fine needles, m.p. 124° (dec). 

 CHsCH-CHoCHoHoC 



COOH 



CH2CH2CH.2CH2CH3 



Anzia opuntiella Miill. Arg., A. gracilis, A. leucobatoides 

 f. hypomelaena and Cetraria sanguinea 



Yasuhiko Asahina and Michio Hiraiwa, Ber. 70B 1826 

 (1937). (Synthesis) 



478 Homosekikaic Acid (Nemoxynic Acid), C24H30O8, colorless 

 prisms, m.p. 137.5°. 



CH3CH2CH2 .COO, 



COOH 



CH3O OH CH3O CH2CH2CH2CH2CH3 



Cladonia pityrea Flk. f. phyllophora Mudd, Cladonia 

 nemoxyna (Ach.) Nyl. 



The yield was about 0.1%. A little fumarprotocetraric 

 acid also was present. 



Yasuhiko Asahina and Tsunakaru Kusaka, Ber. 70B 1815 

 (1937). (Synthesis) 



