Title:  Ifosfamide 
CAS Registry Number:  3778-73-2 
CAS Name:  N,3-Bis(2-chloroethyl)tetrahydro-2H-1,3,2-oxazaphosphorin-2-amine 2-oxide 
Additional Names:  3-(2-chloroethyl)-2-[(2-chloroethyl)amino]tetrahydro-2H-1,3,2-oxazaphosphorin-2-oxide;  iphosphamid(e);  isoendoxan;  isophosphamide 
Manufacturers' Codes:  A-4942;  Asta Z-4942;  MJF-9325;  NSC-109724;  Z-4942 
Trademarks:  Holoxan (Baxter);  Ifex (BMS);  Ifomide (Shionogi);  Mitoxana (Baxter) 
Molecular Formula:  C7H15Cl2N2O2P 
Molecular Weight:  261.09 
Percent Composition:  C 32.20%, H 5.79%, Cl 27.16%, N 10.73%, O 12.26%, P 11.86% 
Literature References:  Cytostatic agent, related structurally to cyclophosphamide, q.v.  Prepn:  FR 1530962 (1968 to Asta), C.A. 71, 49998m (1969); H. Arnold et al., US 3732340 (1973 to Asta).  Chemical properties:  H. Arnold, Proc. 5th Int. Congr. Chemother. Vienna (Verhandlungen, Vienna, 1967) 2, pp 751-754.  Pharmacology:  N. Brock, ibid. pp 155-161.  Molecular structure and conformation:  H. A. Brassfield et al., J. Am. Chem. Soc. 97, 4143 (1975).  Mass spectrometry:  M. Przybylski et al., Biomed. Mass Spectrom. 4, 209 (1977).  Mechanism of action:  S. Tomita et al., Chemotherapy (Tokyo) 25, 3014 (1977).  Metabolism:  A. Takamizawa et al., Chem. Pharm. Bull. 25, 2900 (1977); eidem, J. Med. Chem. 17, 1237 (1974).  Toxicity studies:  R. Marcy et al., IRCS Med. Sci. Libr. Compend. 5, 427, 478 (1977).  Mutagenicity studies:  D. Wald, J. Mutat. Res. 56, 319 (1978); G. R. Mohn, J. Ellenberger, ibid. 32, 331 (1976).  Clinical studies:  P. J. Creaven et al., Cancer Treat. Rep. 60, 445, 451 (1976); J. Schnitker et al., Arzneim.-Forsch. 26, 1793 (1976).  Symposium on clinical efficacy and comparison with cyclophosphamide:  Cancer Chemother. Pharmacol. 18, Suppl. 2, S1-S58 (1986).  Reviews of pharmacology, toxic effects and clinical activity:  M. Zalupski, L. H. Baker, J. Natl. Cancer Inst. 80, 556-566 (1988); S. E. Schoenike, W. J. Dana, Clin. Pharm. 9, 179-191 (1990). 
Properties:  Crystals from anhyd ether, mp 39-41°.  LD50 in rats (mg/kg):  160 i.p. (Arnold, 1973); also reported as 150 i.p. (Brock). 
Melting point:  mp 39-41° 
Toxicity data:  LD50 in rats (mg/kg):  160 i.p. (Arnold, 1973); also reported as 150 i.p. (Brock) 
Therap-Cat:  Antineoplastic. 
Keywords:  Antineoplastic; Alkylating Agents; Nitrogen Mustards.   |