Title: Synthesis and biological evaluation of iodinated and fluorinated 9-(2-hydroxypropyl) and 9-(2-hydroxyethoxy)methyl purine nucleoside analogues
Authors: Prekupec, Svjetlana ×
Svedruzić, Drazenka
Gazivoda, Tatjana
Mrvos-Sermek, Draginja
Nagl, Ante
Grdisa, Mira
Pavelić, Kresimir
Balzarini, Jan
De Clercq, Erik
Folkers, Gerd
Scapozza, Leonardo
Mintas, Mladen
Raić-Malić, Silvana #
Issue Date: Dec-2003
Series Title: Journal of Medicinal Chemistry vol:46 issue:26 pages:5763-5772
Abstract: The novel fluorinated and iodinated purine derivatives containing 9-(2-hydroxypropyl) (1a-7a and 9a-13a) and 9-(2-hydroxyethoxymethyl) (1b-3b, 5b, and 7b-12c) side chains were synthesized by a multistep synthetic route involving Baltz-Schiemann's fluorination and diazotation/iodination as key reactions. An unequivocal proof for the stereostructure of 5b was obtained by X-ray structure analysis. New compounds were evaluated for their cytostatic activity against murine leukemia (L1210); mammary carcinoma (FM3A); and human T-lymphocytes (Molt4/C8 and CEM), melanoma (HBL), cervical carcinoma (HeLa), colon carcinoma (HT29 and SW620), laryngeal carcinoma (Hep2), and pancreatic carcinoma (MiaPaCa2) as well as diploid fibroblasts (WI38). Of all the compounds, the 2-aminopurin-6-thione derivative 9a showed the most pronounced inhibitory activity against human SW620 cells. The 2-aminopurin-6-thione derivative 9b exhibited the most selective inhibitory activity against human HeLa, Hep2, SW620, and murine L1210 cell proliferation as compared to normal fibroblast (WI38) cell proliferation. None of the compounds showed inhibitory activities against HIV-1, HIV-2, HSV-1, and HSV-2, vaccinia, vesicular stomatitis, parainfluenza-3, reovirus-1, Sindbis, Coxsackie B4, or respiratory syncytial virus. The new purine derivatives, and particularly 9a and 9b, appear to demonstrate sufficient cytostatic potency and selectivity to justify further evaluation of their potential.
ISSN: 0022-2623
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Laboratory of Virology and Chemotherapy (Rega Institute)
× corresponding author
# (joint) last author

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