Pfizer Handbook of Microbial Metabolites 



518 



Yeast 



Hellmut Bredereck, Annelise Martini and Friedrich Richter, 

 Ann. 74 694 (1941). 



Hubert S. Loring and James McT. Ploeser, /. Biol. Chem. 

 178 439 (1949). 



1010 Cytidine, C9Hi30riN3, colorless needles, m.p. 225-230° (dec), 

 [alo'" +29.6° (in water). 



HOCH 



OH OH 



Yeast 



HeUmut Bredereck, Annelise Martini and Friedrich Richter, 

 Ann. 74 694 (1941). 



1011 Uridine-3'-phosphate (Uridylic Acid), C^Hj^OoNoP, colorless 

 prisms, m.p. 200° (dec), [a]„ +9.5 to 14.5° (in water). 



HN 



HOCH 

 O 



(OHl^P O 



OH 



Yeast 



The 5'-di- and triphosphates also have been isolated 

 from microorganisms. 



Hellmut Bredereck and Gerd Richter, Ber. 7 IB 718 (1938). 



W. E. Cohn and C. E. Carter, J. Am. Chem. Soc. 72 2606 

 (1950). 



A. M. Michelson and A. R. Todd, /. Chem. Soc, 2476 (1949). 



