Search Results - "PINTO, Maria Do Carmo F. R"
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Synthesis and anti- Trypanosoma cruzi activity of derivatives from nor-lapachones and lapachones
Published in Bioorganic & medicinal chemistry (01-05-2008)“…New naphthoquinone derivatives were synthesized and assayed against bloodstream trypomastigote forms of Trypanosoma cruzi, the etiological agent of Chagas’…”
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2
New oxirane derivatives of 1,4-naphthoquinones and their evaluation against T. cruzi epimastigote forms
Published in Bioorganic & medicinal chemistry (15-08-2012)“…New oxirane derivatives were synthesized using six naphthoquinones as the starting material. Our biological results showed that these oxiranes acted as…”
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3
Identification of Nor-β-Lapachone Derivatives as Potential Antibacterial Compounds against Enterococcus faecalis Clinical Strain
Published in Current microbiology (01-02-2011)“…A broad-spectrum antibiotic therapy has led to medical complications and emergence of multiresistant bacteria including Enterococcus faecalis. In this study,…”
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4
Insight into and Computational Studies of the Selective Synthesis of 6H‑Dibenzo[b,h]xanthenes
Published in Journal of organic chemistry (01-07-2016)“…Starting from 2-hydroxy-1,4-naphthoquinone (lawsone), we synthesized eight new 6H-dibenzo[b,h]xanthene derivatives selectively under solvent-free conditions…”
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5
Naphthoquinoidal [1,2,3]-triazole, a new structural moiety active against Trypanosoma cruzi
Published in European journal of medicinal chemistry (01-08-2008)“…[1,2,3]-Triazole derivatives of nor-β-lapachone were synthesized and assayed against the infective bloodstream trypomastigote form of Trypanosoma cruzi, the…”
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6
3-Arylamino and 3-Alkoxy-nor-β-lapachone Derivatives: Synthesis and Cytotoxicity against Cancer Cell Lines
Published in Journal of medicinal chemistry (14-01-2010)“…Several 3-arylamino and 3-alkoxy-nor-β-lapachone derivatives were synthesized in moderate to high yields and found to be highly potent against cancer cells…”
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7
1,3-Azoles from ortho-naphthoquinones: Synthesis of aryl substituted imidazoles and oxazoles and their potent activity against Mycobacterium tuberculosis
Published in Bioorganic & medicinal chemistry (01-11-2012)“…Twenty-three naphthoimidazoles and six naphthoxazoles were synthesised and evaluated against susceptible and rifampicin- and isoniazid-resistant strains of…”
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Journal Article -
8
The evaluation of quinonoid compounds against Trypanosoma cruzi: Synthesis of imidazolic anthraquinones, nor-β-lapachone derivatives and β-lapachone-based 1,2,3-triazoles
Published in Bioorganic & medicinal chemistry (01-05-2010)“…In continuation to our screening program of napththoquinones with activity against bloodstream trypomastigote forms of Trypanosoma cruzi, the etiological agent…”
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9
Synthesis and potent antitumor activity of new arylamino derivatives of nor-β-lapachone and nor-α-lapachone
Published in Bioorganic & medicinal chemistry (15-11-2007)“…Several arylamino derivatives of nor-β-lapachone and one derivative of nor-α-lapachone were synthesized in moderate to high yields and found to show very…”
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10
Quinonoid and phenazine compounds: Synthesis and evaluation against H37Rv, rifampicin and isoniazid-resistance strains of Mycobacterium tuberculosis
Published in European journal of medicinal chemistry (01-09-2011)“…Several quinonoid and phenazine compounds were synthesized in moderate to high yields and showed activity against H(37)Rv, rifampicin and isoniazid-resistance…”
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11
Separation of New Naphthoxazole Derivatives of Lapachol by High-Speed Counter-Current Chromatography
Published in Journal of liquid chromatography & related technologies (14-09-2015)“…This work describes the use of high-speed counter-current chromatography as an efficient and economic method in the separation and purification of new…”
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12
A Trypanocidal Phenazine Derived from β-Lapachone
Published in Journal of medicinal chemistry (09-05-2002)“…An intensive effort has been directed toward finding alternative drugs for treatment of Chagas' disease, caused by Trypanosoma cruzi, and prophylaxis of blood…”
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13
A macrolactone from benzo[ a]phenazine with potent activity against Mycobacterium tuberculosis
Published in European journal of medicinal chemistry (01-05-2009)“…We report here an alternative to the MCPBA or ozonolysis-based oxidation methods of quinoxaline-featuring compounds prepared from beta-lapachones. The use of…”
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14
Applications of counter-current chromatography in organic synthesis purification of heterocyclic derivatives of lapachol
Published in Journal of Chromatography A (01-06-2007)“…This work describes the application of counter-current chromatography (CCC) as a useful, fast and economic alternative for the isolation and purification of…”
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Journal Article Conference Proceeding -
15
Trypanocidal activity of isolated naphthoquinones from Tabebuia and some heterocyclic derivatives: a review from an interdisciplinary study
Published in Journal of the Brazilian Chemical Society (01-06-2001)“…Naphthoquinones isolated from the wood of trees of the families Bignoniaceae and Verbenaceae have been subjected to an interdisciplinary study since the…”
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16
Synthesis and characterisation of a new polycyclic phenazine from 1,4-naphthoquinone
Published in Tetrahedron letters (04-05-2011)“…Bioactive naphthoquinone-derived heterocyclic compounds have been prepared. Herein, we describe the semisynthesis of a new phenazine, through modified Hooker’s…”
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17
Potent naphthoquinones against antimony-sensitive and -resistant Leishmania parasites: Synthesis of novel α- and nor-α-lapachone-based 1,2,3-triazoles by copper-catalyzed azide–alkyne cycloaddition
Published in European journal of medicinal chemistry (01-05-2013)“…Continuing our screening program for novel anti-parasite compounds, we synthesized seven 1,4-naphthoquinones coupled to 1,2,3-triazoles, five…”
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18
Synthesis and evaluation of quinonoid compounds against tumor cell lines
Published in European journal of medicinal chemistry (01-01-2011)“…Thirty two compounds were synthesized in moderate to high yields and showed activity against cancer cells HL-60 (leukemia), MDA-MB435 (melanoma), HCT-8 (colon)…”
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Journal Article -
19
Complete and unambiguous assignments of 1H and 13C chemical shifts of new arylamino derivatives of ortho-naphthofuranquinones
Published in Magnetic resonance in chemistry (01-12-2008)“…Six new nor‐β‐lapachones have been synthesized from reaction of 3‐bromo‐nor‐β‐lapachone with arylamines. These derivatives have potent anticancer properties…”
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20
Antimalarial activity of phenazines from lapachol, β-lapachone and its derivatives against Plasmodium falciparum in vitro and Plasmodium berghei in vivo
Published in Bioorganic & medicinal chemistry letters (08-03-2004)“…The antimalarial activity of benzo[a]phenazines synthesized from 1,2-naphthoquinone, lapachol, beta-lapachone and several derivatives have been tested against…”
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