Pfizer Handbook of Microbial Metabolites 228 



482 Perlatolic Acid, C25H32O7, colorless needles, m.p. 108°. 

 CH3CH2Cn2Cn2n2C 



COOH 

 CH2CH2CH2CH2CH3 



Parmelia perlata Ach., Cladonia impexa Harm., 

 CI. evansi f. Abb., CI. pseudoevansi Asahina 



Yasuhiko Asahina and Itiro Yoshioka, Ber. 70B 1823 



(1937). (Synthesis) 



483 Boninic Acid, C25H32O8, colorless plates, m.p. 134.5°. 



COO 

 CH3CH2CH2 / \ OH ^^^^ 



CH3O OCH3 CH3O CH2CH2CH2CH2CH3 



Ramalina boninensis Asahina 



The yield was about 0.5%, and a little d-usnic acid was 

 present. 



Yasuhiko Asahina and Tsunaharu Kusaka, Ber. 70B 1815 

 (1937). (Synthesis) 



484 Tenuiorin, C26H24O10, colorless crystals, m.p. 238° (dec. ) s. 180°. 



O 



^"^ COOCH3 



CH3O OH 



Lobaria pulmonaria Hoffm. f. tenuior Hue. 

 Mannitol also was present. 



Yasuhiko Asahina and Masaiti Yanagita, Ber. 66B 1910 

 (1933). 



