Title:  Floxuridine 
CAS Registry Number:  50-91-9 
CAS Name:  2¢-Deoxy-5-fluorouridine 
Additional Names:  1-(2-deoxy-b-D-ribofuranosyl)-5-fluorouracil;  5-fluoro-2¢-deoxy-b-uridine 
Manufacturers' Codes:  NSC-27640 
Trademarks:  FUDR (Roche) 
Molecular Formula:  C9H11FN2O5 
Molecular Weight:  246.19 
Percent Composition:  C 43.91%, H 4.50%, F 7.72%, N 11.38%, O 32.49% 
Literature References:  Prepn:  Hoffer et al., J. Am. Chem. Soc. 81, 4112 (1959); Heidelberger, Duschinsky, US 2885396 (1959); Duschinsky et al., US 2970139 (1961); Hoffer, US 2949451; US 3041335 (1960, 1962 both to Hoffmann-La Roche).  Structure:  Lemieux, Hoffer, Can. J. Chem. 39, 110 (1961).  Crystal and molecular structure:  Harris, Diss. Abstr. 24, 4425 (1964); Harris, McIntyre, Biophys. J. 4, 203 (1964).  Conformation of furanose ring in molecule:  Sundaralingam, J. Am. Chem. Soc. 87, 599 (1965). 
Properties:  Crystals from butyl acetate, mp 150-151° (Hoffer, 1959); also reported as mp 145° (US 3041335).  [a]D +37° (water), +48.6° (DMF).  uv max (pH 7.2):  268 nm (e 7570); (pH 14):  270 nm (e 6480). 
Melting point:  mp 150-151° (Hoffer, 1959); mp 145° (US 3041335) 
Optical Rotation:  [a]D +37° (water), +48.6° (DMF) 
Absorption maximum:  uv max (pH 7.2):  268 nm (e 7570); (pH 14):  270 nm (e 6480) 
  
Derivative Type:  a-Anomer  
Additional Names:  1-(2-Deoxy-a-D-erythro-pentofuranosyl)-5-fluorouracil 
Properties:  Crystals from butyl acetate, mp 150-151°.  [a]D25 -21° (c = 2 in water). 
Melting point:  mp 150-151° 
Optical Rotation:  [a]D25 -21° (c = 2 in water) 
  
Therap-Cat:  Antiviral; antineoplastic. 
Keywords:  Antineoplastic; Antimetabolites; Pyrimidine Analogs; Antiviral; Purines/Pyrimidinones.   |