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© Yang SI, Institut Pasteur
Publication : Journal of medicinal chemistry

Synthesis and biological activity of sulfonamide derivatives of epipodophyllotoxin

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Journal of medicinal chemistry - 22 Apr 2004

Guianvarc'h D, Duca M, Boukarim C, Kraus-Berthier L, Léonce S, Pierré A, Pfeiffer B, Renard P, Arimondo PB, Monneret C, Dauzonne D

Link to Pubmed [PMID] – 15084135

J. Med. Chem. 2004 Apr;47(9):2365-74

A series of novel 4beta-substituted sulfonamide derivatives of 4′-O-demethyl-4-desoxypodophyllotoxin has been synthesized. Their effects on human DNA topoisomerase II and, in some cases, on tubulin polymerization were evaluated. Compounds 8a, 8c, 8f, 8g, 8n, 8q, 8r, and 8s and the synthetic precursor 4 are potent topoisomerase II poisons that induce double-stranded breaks in DNA, with either improved or similar activity compared to etoposide. Only the amino precursor, compound 5, was slightly active in tubulin polymerization inhibition assays. We observed that the derivatives bearing an aromatic ring on the 4beta-sulfonamide substituent were either less cytotoxic or equivalent to the parent drug, while the sulfonamides containing an aliphatic side chain and the amino-sulfonamide derivatives, except 8d and 8g, exhibited increased cytoxicity compared to etoposide. In vivo, against the P388 leukemia and the A-549 orthotopic model of lung carcinoma, the most promising compounds were the morpholino- and the piperazino-containing sulfonamides derivatives 8r and 8s.

https://www.ncbi.nlm.nih.gov/pubmed/15084135