243 



Benzoquinones 



499 Gliorosein, C,oHj404, colorless crystals, m.p. 48' 



CHa 



CH3 



OCH3 



OCH3 



CH3 



CH3 



OCH3 



OCH3 



P. W. Brian, P. J. Curtis, S. R. Rowland, E. G. Jeffreys and 

 H. Raudnitz, Experientia 7 266 (1951). (Isolation) 

 E. B. Vischer, /. Chem. Soc, 815 (1953). (Structure) 

 Wilson Baker, J. F. W. McOmie and D. Miles, ibid., 820 

 (1953). (Synthesis) 



500 Phoenicin, C,4H,„0,., yellow-brown tablets, m.p. 231°. 



O HO O 



Penicillium phoeniceum van Beyma, P. ruhrum O. Stoll. 

 Theodore Posternak, Hans W. Ruelius and Jacques Tcher- 

 niak, Helv. Chivi. Acta 26 2031 (1943). (Synthesis) 



501 Oosporein (Chaetomidin), Ci^HmOs, bronze plates, m.p. 260- 



275°. 



Oospora colorans van Beyma, Chaetomium aureum 

 Chivers, Verticillium psalliotae, Acremonium sp. 



F. Kogl and G. C. Van Wessem, Rec. trav. chim. 63 5 

 (1944). (Isolation) 



F. M. Dean, A. M. Osman and Alexander Robertson, 

 /. Chem. Soc, 11 (1955). 



G. Lloyd, Alexander Robertson, G. B. Sankey and W. B. 

 Whalley, ibid., 2163 (1955). 



