Valrubicin
Title: Valrubicin
CAS Registry Number: 56124-62-0
CAS Name: Pentanoic acid 2-[(2S,4S)-1,2,3,4,6,11-hexahydro-2,5,12-trihydroxy-7-methoxy-6,11-dioxo-4-[[2,3,6-trideoxy-3-[(trifluoroacetyl)amino]-a-L-lyxo-hexopyranosyl]oxy]-2-naphthacenyl]-2-oxoethyl ester
Additional Names: N-trifluoroacetyladriamycin-14-valerate
Manufacturers' Codes: AD-32; NSC-246131
Trademarks: Valstar (Medeva)
Molecular Formula: C34H36F3NO13
Molecular Weight: 723.64
Percent Composition: C 56.43%, H 5.01%, F 7.88%, N 1.94%, O 28.74%
Literature References: Semisynthetic doxorubicin, q.v., analog. Prepn: M. Israel et al., Cancer Res. 35, 1365 (1975); M. Israel, E. J. Modest, US 4035566 (1977 to S. Farber Cancer Inst.). TLC determn in biological samples: B. Barbieri et al., J. Chromatogr. 163, 195 (1979). Clinical pharmacokinetics: R. E. Greenberg et al., Urology 49, 471 (1997). Clinical trial in refractory bladder cancer: G. Steinberg et al., J. Urol. 163, 761 (2000). Review of pharmacology and clinical development: C. Doehn, Curr. Opin. Oncol. Endocr. Metab. Invest. Drugs 1, 407-415 (1999); S. V. Onrust, H. M. Lamb, Drugs Aging 15, 69-75 (1999).
Properties: Orange or orange-red powder, mp 135-136°. Highly lipophilic. Sol in methylene chloride, ethanol, methanol, acetone. Practically insol in water.
Melting point: mp 135-136°
Therap-Cat: Antineoplastic
Keywords: Antineoplastic; Antibiotics and Analogs; Anthracyclines.

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