Pfizer Handbook of Microbial Metabolites 



540 



1030 



Kinetin ( 6-Furf urylaminopurine ) , C10H9ON5, colorless prisms, 

 m.p. 265° (sealed tube to prevent sublimation). 



Yeast extracts 



E. R. Squibb Lectures on Chemistry of Microbial Products, 

 "Topics in Microbial Chemistry," John Wiley and Sons, New 

 York, 1958, F. M. Strong, Kinetin and kinins, pp. 98-157. 



1031 Nebularine (9-(/3-D-Ribofuranosyl) purine), C10H12O4N4, color- 

 less prisms, m.p. 181°, [alo^^ —48.6° (c 1 in water). 



N 



HOCH2 



k:^ 



OH OH 



Agaricus (Clitocybe) nebularis Batsch. 



Lars Ehrenburg, Harry Hedstrom, Nils Lofgren and Bertil 

 Takman, Svensk Kem. Tidskr. 58 269 (1946). 



Nils Lofgren, Bjorn Liining and Harry Hedstrom, Acta 

 Chem. Scand. 8 670 (1954). 



David L Magrath and George Bosworth Brown, J. Am. 

 Chem. Soc. 79 3252 (1957). (Synthesis) 



1032 Cordycepin, C10H13O3N5, colorless needles, m.p. 225°, [<xW° 

 —47° (in water). 



HOCH2 



