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Synthesis and in vitro antiproliferative evaluation of novel N-alkylated 6-isobutyl- and propyl pyrimidine derivatives. Bioorg Med Chem Lett 2014; 24:2913-7. [DOI: 10.1016/j.bmcl.2014.04.079] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2014] [Revised: 04/16/2014] [Accepted: 04/21/2014] [Indexed: 12/30/2022]
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Krištafor S, Novaković I, Gazivoda Kraljević T, Kraljević Pavelić S, Lučin P, Westermaier Y, Pernot L, Scapozza L, Ametamey SM, Raić-Malić S. A new N-methyl thymine derivative comprising a dihydroxyisobutenyl unit as ligand for thymidine kinase of herpes simplex virus type 1 (HSV-1 TK). Bioorg Med Chem Lett 2011; 21:6161-5. [PMID: 21911293 DOI: 10.1016/j.bmcl.2011.07.115] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2011] [Revised: 07/27/2011] [Accepted: 07/29/2011] [Indexed: 11/18/2022]
Affiliation(s)
- Svjetlana Krištafor
- Department of Organic Chemistry, Faculty of Chemical Engineering and Technology, University of Zagreb, HR-10000 Zagreb, Croatia
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Krištafor S, Meščić A, Cetina M, Korunda S, Makuc D, Plavec J, Raić-Malić S. Synthesis, structural and conformational studies of Z- and E-isomers of fluorinated C-6 isobutenyl N-methyl thymine derivatives. J Fluor Chem 2011. [DOI: 10.1016/j.jfluchem.2011.06.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Krištafor S, Kraljević TG, Ametamey SM, Cetina M, Ratkaj I, Haček RT, Pavelić SK, Raić-Malić S. Syntheses and Antitumor Evaluation of C(6)-Isobutyl- and C(6)-Isobutenyl-Substituted Pyrimidines, and Dihydropyrrolo[1,2-c]pyrimidine-1,3-diones. Chem Biodivers 2011. [DOI: 10.1002/cbdv.201000202] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Kraljević TG, Petrović M, Krištafor S, Makuc D, Plavec J, Ross TL, Ametamey SM, Raić-Malić S. Methoxymethyl (MOM) group nitrogen protection of pyrimidines bearing C-6 acyclic side-chains. Molecules 2011; 16:5113-29. [PMID: 21694675 PMCID: PMC6264546 DOI: 10.3390/molecules16065113] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2011] [Revised: 06/15/2011] [Accepted: 06/16/2011] [Indexed: 11/18/2022] Open
Abstract
Novel N-methoxymethylated (MOM) pyrimidine (4−13) and pyrimidine-2,4-diones (15−17) nucleoside mimetics in which an isobutyl side-chain is attached at the C-6 position of the pyrimidine moiety were synthesized. Synthetic methods viaO-persilylated or N-anionic uracil derivatives have been evaluated for the synthesis of N-1- and/or N-3-MOM pyrimidine derivatives with C-6 acyclic side-chains. A synthetic approach using an activated N-anionic pyrimidine derivative afforded the desired N,N-1,3-diMOM and N-1-MOM pyrimidines 4 and 5 in good yield. Introduction of fluorine into the side-chain was performed with DAST as the fluorinating reagent to give a N,N-1,3-diMOM pyrimidine 13 with a 1-fluoro-3-hydroxyisobutyl moiety at C-6. Conformational study of the monotritylated N-1-MOM pyrimidine 12 by the use of the NOE experiments revealed the predominant conformation of the compound to be one where the hydroxymethyl group in the C-6 side-chain is close to the N-1-MOM moiety, while the OMTr is in proximity to the CH3-5 group. Contrary to this no NOE enhancements between the N-1-MOM group and hydroxymethyl or fluoromethyl protons in 13 were observed, which suggested a nonrestricted rotation along the C-6 side-chain. Fluorinated N,N-1,3-diMOM pyrimidine 13 emerged as a model compound for development of tracer molecules for non-invasive imaging of gene expression using positron emission tomography (PET).
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Affiliation(s)
- Tatjana Gazivoda Kraljević
- Department of Organic Chemistry, Faculty of Chemical Engineering and Technology, University of Zagreb, Marulićev trg 20, HR-10000 Zagreb, Croatia
- Author to whom correspondence should be addressed; (T.G.K.); (S.R.-M.); Tel.: +385-1-4597-213; Fax: +385-1-4597-224
| | - Martina Petrović
- Department of Organic Chemistry, Faculty of Chemical Engineering and Technology, University of Zagreb, Marulićev trg 20, HR-10000 Zagreb, Croatia
| | - Svjetlana Krištafor
- Department of Organic Chemistry, Faculty of Chemical Engineering and Technology, University of Zagreb, Marulićev trg 20, HR-10000 Zagreb, Croatia
| | - Damjan Makuc
- Slovenian NMR centre, National Institute of Chemistry, Hajdrihova 19, SI-1000 Ljubljana, Slovenia
- EN-FIST Centre of Exellence, Dunajska 156, SI-1000 Ljubljana, Slovenia
| | - Janez Plavec
- Slovenian NMR centre, National Institute of Chemistry, Hajdrihova 19, SI-1000 Ljubljana, Slovenia
- EN-FIST Centre of Exellence, Dunajska 156, SI-1000 Ljubljana, Slovenia
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Aškerčeva cesta 5, SI-1000 Ljubljana, Slovenia
| | - Tobias L. Ross
- Radiopharmaceutical Chemistry, Institute of Nuclear Chemistry, Johannes Gutenberg-Universität, Fritz-Strassmann Weg 2, 55128 Mainz, Germany
| | - Simon M. Ametamey
- Center for Radiopharmaceutical Sciences, ETH Zurich (Swiss Federal Institute of Technology), Wolfgang-Pauli Strasse 10, CH-8093 Zurich, Switzerland
| | - Silvana Raić-Malić
- Department of Organic Chemistry, Faculty of Chemical Engineering and Technology, University of Zagreb, Marulićev trg 20, HR-10000 Zagreb, Croatia
- Author to whom correspondence should be addressed; (T.G.K.); (S.R.-M.); Tel.: +385-1-4597-213; Fax: +385-1-4597-224
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Raux E, Klenc J, Blake A, Saczewski J, Strekowski L. Conjugate addition of nucleophiles to the vinyl function of 2-chloro-4-vinylpyrimidine derivatives. Molecules 2010; 15:1973-84. [PMID: 20336026 PMCID: PMC6257268 DOI: 10.3390/molecules15031973] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2010] [Revised: 03/09/2010] [Accepted: 03/18/2010] [Indexed: 12/03/2022] Open
Abstract
Conjugate addition reaction of various nucleophiles across the vinyl group of 2-chloro-4-vinylpyrimidine, 2-chloro-4-(1-phenylvinyl)pyrimidine and 2-chloro-4-vinyl-quinazoline provides the corresponding 2-chloro-4-(2-substituted ethyl)pyrimidines and 2-chloro-4-(2-substituted ethyl)quinazolines. Treatment of these products, without isolation, with N-methylpiperazine results in nucleophilic displacement of chloride and yields the corresponding 2,4-disubstituted pyrimidines and quinazolines.
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Affiliation(s)
- Elizabeth Raux
- Department of Chemistry, Georgia State University, Atlanta, Georgia 30302-4098, USA.
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