193 Phenols and Phenol Ethers (General) 



Penicillhim griseofulvum Dierckx, P. jenseni, P. diver- 

 gens 



Harold Raistrick and Paul Simonart, Biochem. J. 27 628 

 (1933). 



J. Barta and R. Mecir, Experientia 4 111 (1948). 



A. Brack, Helv. Chim. Acta 30 1 (1947). (Isolation) 



382 Gallic Acid, CjHgO^, colorless or pale tan crystals (Monohydrate 

 from water), m.p. 225-250° (dec). 



COOH 



Phycomyces blakesleeanus (sugar substrate) 

 Protocatechuic acid and another unidentified phenol 

 also were shown to be present by paper chromatography. 

 H. B. Schroter, Angew. Chem. 68 158 (1956). 



383 Gentisyl Alcohol, CyHgOg, colorless crystals, m.p. 100°. 



OH 



CH2OH 



Penicillium patulum Bainier, P. divergens Bainier and 

 Sartory 



A. Brack, Helv. Chim. Acta 30 1 (1947). (Isolation) 



B. G. Engel and W. Brzeski, ibid. 30 1472 (1947). 

 J. Barta and R. Mecir, Experientia 4 277 (1948). 



384 2,5-Dihydroxyphenylglyoxylic Acid, CgHeOj, yellow needles, m.p. 

 141°. 



COCOOH 



Polyporus tumulosus Cooke (artificial medium) 

 Oxalic acid, homoprotocatechuic acid and 2,4,5-trihy- 

 droxyphenylglyoxylic acid are produced in the same cul- 

 ture. 



