201 Phenols and Phenol Ethers (General) 



J. Comin and W. Keller-Schierlein, Helv. Chim. Acta 42 

 1730 (1959). 



Yutaka Shirai, Kekkaku (Tuberculosis) 30 628 (1955). 

 (Chem. Abstr. 50 5839g) 



408 Gladiolic Acid, CnHjoOg, colorless needles, m.p. 158-160°. 



CHO ="° 



Penicillium gladioli McCuU. and Thorn 



Yield 300 mg. per liter. 



Besides dihydrogladiolic acid and 3,5-dimethyl-6-oxyph- 

 thalide, a third "contaminant," C11H10O4 (a lactone), was 

 present in the culture. 



John Frederick Grove, Biochem. J. 50 648 (1952). (Struc- 

 ture) 



P. W. Brian, P. J. Curtis and H. G. Hemming, /. Gen. 

 Microbiol. 2 341 (1948). (Isolation) 



409 Cyclopaldic Acid, CnHifjOg, colorless needles, m.p. 224° (subl.). 



CHO ^"° 



Penicillium cyclopium Westling 



J. H. Birkinshaw, H. Raistrick, D. J. Ross and C. E. Stlck- 

 ings, Biochem. J. 50 610 (1952). 



410 Dihydrogladiolic Acid, C11H12O5, colorless crystals, m.p. 135° 

 (dec). 



O 



°'="'COOH CH, ?="•! 



o 



CHO I CH 



CH2OH CH2OH I 



OH 



Penicillium gladioli 



