4126. Fludarabine

Nomenclature

CAS number: 21679-14-1
9-β-d-Arabinofuranosyl-2-fluoro-9H-purin-6-amine; 9-β-d-arabinofuranosyl-2-fluoroadenine; 2-fluorovidarabine; 2-fluoro-9-β-d-arabinofuranosyladenine; 2-F-araA; NSC-118218; NSC-118218-H.
C10H12FN5O4; mol wt 285.23.
C 42.11%, H 4.24%, F 6.66%, N 24.55%, O 22.44%.

Description and references

Adenosine deaminase-resistant purine nucleoside antimetabolite. Prepn and in vitro cytotoxicity: J. A. Montgomery, K. Hewson, J. Med. Chem. 12, 498 (1969). Improved prepn: J. A. Montgomery et al., J. Heterocycl. Chem. 16, 157 (1979); J. A. Montgomery, US 4210745 (1980 to U.S. Dept. Health, Education and Welfare). Inhibition of DNA synthesis and in vivo antileukemic activity: R. W. Brockman et al., Biochem. Pharmacol. 26, 2193 (1977). Metabolized to 5′-monophosphate: R. W. Brockman et al., Cancer Res. 40, 3610 (1980). HPLC determn in human leukemia cells: V. Gandhi et al., J. Chromatogr. 413, 293 (1987). Prepn of 5′-monophosphate: J. A. Montgomery, A. T. Shortnacy, US 4357324 (1982 to U.S. Dept. of Health and Human Services). Pharmacokinetics in humans: M. R. Hersh et al., Cancer Chemother. Pharmacol. 17, 277 (1986). Evaluation of therapeutic efficacy and CNS toxicity in acute refractory leukemia: R. P. Warrell, Jr., E. Berman, J. Clin. Oncol. 4, 74 (1986); H. G. Chun et al., Cancer Treat. Rep. 70, 1225 (1986). Series of articles on pharmacology and therapeutic use: Semin. Oncol. 17, Suppl. 8, 1-78 (1990).

Chemical structure

Properties

Crystals from ethanol + water, mp 260°. [α]D25 +17 ±2.5° (c = 0.1 in ethanol). uv max (pH 1, pH 7, pH 13): 262, 261, 262 nm (ε × 103 13.2, 14.8, 15.0). Sparingly sol in water, organic solvents.

Derivative

5′-Monophosphate.

Nomenclature

CAS number: 75607-67-9
2-F-ara-AMP; NSC-328002; NSC-312887; Fludara (Schering AG).
C10H13FN5O7P; mol wt 365.21.
C 32.89%, H 3.59%, F 5.20%, N 19.18%, O 30.67%, P 8.48%.

Properties

Sol in water.

Therapeutic Category

Phosphate as antineoplastic.

Keywords

Antineoplastic; Antimetabolites; Purine Analogs