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Biernacki K, Ciupak O, Daśko M, Rachon J, Flis D, Budka J, Inkielewicz-Stępniak I, Czaja A, Rak J, Demkowicz S. Development of potent and effective SARS-CoV-2 main protease inhibitors based on maleimide analogs for the potential treatment of COVID-19. J Enzyme Inhib Med Chem 2024; 39:2290910. [PMID: 38093611 PMCID: PMC10732195 DOI: 10.1080/14756366.2023.2290910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 11/29/2023] [Indexed: 12/18/2023] Open
Abstract
In the present work, we report a new series of potent SARS-CoV-2 Main Protease (Mpro) inhibitors based on maleimide derivatives. The inhibitory activities were tested in an enzymatic assay using recombinant Mpro (3CL Protease from coronavirus SARS-CoV-2). Within the set of new Mpro inhibitors, 6e demonstrated the highest activity in the enzymatic assay with an IC50 value of 8.52 ± 0.44 µM. The IC50 value for Nirmatrelvir (PF-07321332, used as a reference) was 0.84 ± 0.37 µM. The cytotoxic properties were determined in the MTT assay using MRC-5 and HEK-293 cell lines. In the course of the investigation, we found that the newly obtained maleimide derivatives are not substantially cytotoxic (IC50 values for most compounds were above 200 µM).
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Affiliation(s)
- Karol Biernacki
- Department of Organic Chemistry, Gdańsk University of Technology, Gdańsk, Poland
| | - Olga Ciupak
- Department of Organic Chemistry, Gdańsk University of Technology, Gdańsk, Poland
| | - Mateusz Daśko
- Department of Inorganic Chemistry, Gdańsk University of Technology, Gdańsk, Poland
| | - Janusz Rachon
- Department of Organic Chemistry, Gdańsk University of Technology, Gdańsk, Poland
| | - Damian Flis
- Department of Pharmaceutical Pathophysiology, Medical University of Gdansk, Gdańsk, Poland
| | - Justyna Budka
- Department of Pharmaceutical Pathophysiology, Medical University of Gdansk, Gdańsk, Poland
| | | | - Anna Czaja
- Department of Physical Chemistry, University of Gdańsk, Gdańsk, Poland
| | - Janusz Rak
- Department of Physical Chemistry, University of Gdańsk, Gdańsk, Poland
| | - Sebastian Demkowicz
- Department of Organic Chemistry, Gdańsk University of Technology, Gdańsk, Poland
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Biernacki K, Ciupak O, Daśko M, Rachon J, Kozak W, Rak J, Kubiński K, Masłyk M, Martyna A, Śliwka-Kaszyńska M, Wietrzyk J, Świtalska M, Nocentini A, Supuran CT, Demkowicz S. Development of Sulfamoylated 4-(1-Phenyl-1 H-1,2,3-triazol-4-yl)phenol Derivatives as Potent Steroid Sulfatase Inhibitors for Efficient Treatment of Breast Cancer. J Med Chem 2022; 65:5044-5056. [PMID: 35235747 PMCID: PMC8958511 DOI: 10.1021/acs.jmedchem.1c02220] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We present here the advances achieved in the development of new sulfamoylated 4-(1-phenyl-1H-1,2,3-triazol-4-yl)phenol derivatives as potent steroid sulfatase (STS) inhibitors for the treatment of breast cancer. Prompted by promising biological results and in silico analysis, the initial series of similar compounds were extended, appending a variety of m-substituents at the outer phenyl ring. The inhibition profiles of the newly synthesized compounds were evaluated using a radioisotope enzymatic assay and, together with the preceding reported derivatives, using a radioisotope assay in MCF-7 cells. The most active compound, 5l, demonstrated an extraordinary STS inhibitory potency in MCF-7 cells with an IC50 value improved 5-fold compared to that of the reference Irosustat (0.21 vs 1.06 nM). The five most potent compounds were assessed in vivo in a 67NR mouse mammary gland cancer model, with 4b measured to induce up to 51% tumor growth inhibition at 50 mg/kg with no evidence of side effects and toxicity.
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Affiliation(s)
- Karol Biernacki
- Department of Organic Chemistry, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland
| | - Olga Ciupak
- Department of Organic Chemistry, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland
| | - Mateusz Daśko
- Department of Inorganic Chemistry, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland
| | - Janusz Rachon
- Department of Organic Chemistry, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland
| | - Witold Kozak
- Department of Physical Chemistry, Faculty of Chemistry, University of Gdańsk, Wita Stwosza 63, 80-308 Gdansk, Poland
| | - Janusz Rak
- Department of Physical Chemistry, Faculty of Chemistry, University of Gdańsk, Wita Stwosza 63, 80-308 Gdansk, Poland
| | - Konrad Kubiński
- Department of Molecular Biology, Faculty of Biotechnology and Environment Sciences, The John Paul II Catholic University of Lublin, Konstantynów 1i, 20-708 Lublin, Poland
| | - Maciej Masłyk
- Department of Molecular Biology, Faculty of Biotechnology and Environment Sciences, The John Paul II Catholic University of Lublin, Konstantynów 1i, 20-708 Lublin, Poland
| | - Aleksandra Martyna
- Department of Molecular Biology, Faculty of Biotechnology and Environment Sciences, The John Paul II Catholic University of Lublin, Konstantynów 1i, 20-708 Lublin, Poland
| | - Magdalena Śliwka-Kaszyńska
- Department of Organic Chemistry, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland
| | - Joanna Wietrzyk
- Department of Experimental Oncology, Hirszfeld Institute of Immunology and Experimental Therapy, Rudolfa Weigla 12, 53-114 Wrocław, Poland
| | - Marta Świtalska
- Department of Experimental Oncology, Hirszfeld Institute of Immunology and Experimental Therapy, Rudolfa Weigla 12, 53-114 Wrocław, Poland
| | - Alessio Nocentini
- Department of NEUROFARBA, Pharmaceutical and Nutraceutical Section, University of Florence, Via U. Schiff 6, Sesto Fiorentino, 50019 Firenze, Italy
| | - Claudiu T Supuran
- Department of NEUROFARBA, Pharmaceutical and Nutraceutical Section, University of Florence, Via U. Schiff 6, Sesto Fiorentino, 50019 Firenze, Italy
| | - Sebastian Demkowicz
- Department of Organic Chemistry, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland
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Ciupak O, Daśko M, Biernacki K, Rachon J, Masłyk M, Kubiński K, Martyna A, Demkowicz S. New potent steroid sulphatase inhibitors based on 6-(1-phenyl-1 H-1,2,3-triazol-4-yl)naphthalen-2-yl sulphamate derivatives. J Enzyme Inhib Med Chem 2021; 36:238-247. [PMID: 33322953 PMCID: PMC7744152 DOI: 10.1080/14756366.2020.1858820] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
In the present work, we report a new class of potent steroid sulphatase (STS) inhibitors based on 6-(1-phenyl-1H-1,2,3-triazol-4-yl)naphthalen-2-yl sulphamate derivatives. Within the set of new STS inhibitors, 6-(1-(1,2,3-trifluorophenyl)-1H-1,2,3-triazol-4-yl)naphthalen-2-yl sulphamate 3L demonstrated the highest activity in the enzymatic assay inhibiting the STS activity to 7.98% at 0.5 µM concentration. Furthermore, to verify whether the obtained STS inhibitors are able to pass through the cellular membrane effectively, cell line experiments have been carried out. We found that the lowest STS activities were measured in the presence of compound 3L (remaining STS activity of 5.22%, 27.48% and 99.0% at 100, 10 and 1 nM concentrations, respectively). The measured STS activities for Irosustat (used as a reference) were 5.72%, 12.93% and 16.83% in the same concentration range. Moreover, a determined IC50 value of 15.97 nM for 3L showed that this compound is a very promising candidate for further preclinical investigations.
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Affiliation(s)
- Olga Ciupak
- Department of Organic Chemistry, Faculty of Chemistry, Gdańsk University of Technology, Gdańsk, Poland
| | - Mateusz Daśko
- Department of Inorganic Chemistry, Faculty of Chemistry, Gdańsk University of Technology, Gdańsk, Poland
| | - Karol Biernacki
- Department of Organic Chemistry, Faculty of Chemistry, Gdańsk University of Technology, Gdańsk, Poland
| | - Janusz Rachon
- Department of Organic Chemistry, Faculty of Chemistry, Gdańsk University of Technology, Gdańsk, Poland
| | - Maciej Masłyk
- Department of Molecular Biology, The John Paul II Catholic University of Lublin, Lublin, Poland
| | - Konrad Kubiński
- Department of Molecular Biology, The John Paul II Catholic University of Lublin, Lublin, Poland
| | - Aleksandra Martyna
- Department of Molecular Biology, The John Paul II Catholic University of Lublin, Lublin, Poland
| | - Sebastian Demkowicz
- Department of Organic Chemistry, Faculty of Chemistry, Gdańsk University of Technology, Gdańsk, Poland
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Siebert A, Deptuła M, Cichorek M, Ronowska A, Cholewiński G, Rachon J. Anticancer Properties of Amino Acid and Peptide Derivatives of Mycophenolic Acid. Anticancer Agents Med Chem 2021; 21:462-467. [PMID: 32416705 DOI: 10.2174/1871520620666200516151456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 03/26/2020] [Accepted: 04/13/2020] [Indexed: 11/22/2022]
Abstract
BACKGROUND Although Mycophenolic Acid (MPA) is applied as prodrugs in clinic as an immunosuppressant, it also possesses anticancer activity. MPA acts as Inosine-5'-Monophosphate Dehydrogenase (IMPDH) inhibitor, where the carboxylic group at the end of the side chain interacts with Ser 276 of the enzyme via hydrogen bonds. Therefore, MPA derivatives with other polar groups indicated high inhibition too. On the other hand, potent anticancer agents like dacarbazine and cisplatin give numerous side-effects. OBJECTIVE Based on the literature data, MPA derivatives should be explored towards anticancer properties. Conversion of the carboxylic group of MPA to amide could maintain antiproliferative activity. Therefore, we decided to investigate several amino acid and peptide derivatives of MPA against chosen cancer cell lines in vitro. METHODS Amides of MPA hold threonine and arginine amino acid unit. These amino acid derivatives were tested as L and D enantiomers and both in free acid and methyl esters forms. Additionally, MPA was modified with tuftsin or retro-tuftsin as biologically active peptides, which could act as a drug carrier. RESULTS Amino acid and peptide derivatives of MPA were investigated in vitro as potential anticancer agents on cell lines: Ab melanoma, A375 melanoma and SHSY5Y neuroblastoma. The activity of the tested compounds was compared to parent MPA and known chemotherapeutics: dacarbazine and cisplatin. CONCLUSION Amino acid moiety and the sequence of amino acids in the peptide part influenced observed activity. The most active amino acid MPA analogues occurred to be D and L-threonine derivatives as methyl esters, probably due to better cell membrane penetration.
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Affiliation(s)
- Agnieszka Siebert
- Department of Organic Chemistry, Gdansk University of Technology, G. Narutowicza 11/12, 80-233 Gdansk, Poland
| | - Milena Deptuła
- Department of Embryology, Medical University of Gdansk, Debinki 1, 80-211, Gdansk, Poland
| | - Mirosława Cichorek
- Department of Embryology, Medical University of Gdansk, Debinki 1, 80-211, Gdansk, Poland
| | - Anna Ronowska
- Department of Laboratory Medicine, Medical University of Gdansk, Debinki 1, 80-211, Gdansk, Poland
| | - Grzegorz Cholewiński
- Department of Organic Chemistry, Gdansk University of Technology, G. Narutowicza 11/12, 80-233 Gdansk, Poland
| | - Janusz Rachon
- Department of Organic Chemistry, Gdansk University of Technology, G. Narutowicza 11/12, 80-233 Gdansk, Poland
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5
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Daśko M, Demkowicz S, Biernacki K, Ciupak O, Kozak W, Masłyk M, Rachon J. Recent progress in the development of steroid sulphatase inhibitors - examples of the novel and most promising compounds from the last decade. J Enzyme Inhib Med Chem 2021; 35:1163-1184. [PMID: 32363947 PMCID: PMC7241464 DOI: 10.1080/14756366.2020.1758692] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
The purpose of this review article is to provide an overview of recent achievements in the synthesis of novel steroid sulphatase (STS) inhibitors. STS is a crucial enzyme in the biosynthesis of active hormones (including oestrogens and androgens) and, therefore, represents an extremely attractive molecular target for the development of hormone-dependent cancer therapies. The inhibition of STS may effectively reduce the availability of active hormones for cancer cells, causing a positive therapeutic effect. Herein, we report examples of novel STS inhibitors based on steroidal and nonsteroidal cores that contain various functional groups (e.g. sulphamate and phosphorus moieties) and halogen atoms, which may potentially be used in therapies for hormone-dependent cancers. The presented work also includes examples of multitargeting agents with STS inhibitory activities. Furthermore, the fundamental discoveries in the development of the most promising drug candidates exhibiting STS inhibitory activities are highlighted.
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Affiliation(s)
- Mateusz Daśko
- Department of Inorganic Chemistry, Faculty of Chemistry, Gdansk University of Technology, Gdansk, Poland
| | - Sebastian Demkowicz
- Department of Organic Chemistry, Faculty of Chemistry, Gdansk University of Technology, Gdansk, Poland
| | - Karol Biernacki
- Department of Organic Chemistry, Faculty of Chemistry, Gdansk University of Technology, Gdansk, Poland
| | - Olga Ciupak
- Department of Organic Chemistry, Faculty of Chemistry, Gdansk University of Technology, Gdansk, Poland
| | - Witold Kozak
- Department of Physical Chemistry, Faculty of Chemistry, University of Gdansk, Gdansk, Poland
| | - Maciej Masłyk
- Department of Molecular Biology, Faculty of Biotechnology and Environment Sciences, The John Paul II Catholic University of Lublin, Lublin, Poland
| | - Janusz Rachon
- Department of Organic Chemistry, Faculty of Chemistry, Gdansk University of Technology, Gdansk, Poland
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6
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Daśko M, Demkowicz S, Rachon J, Biernacki K, Aszyk J, Kozak W, Masłyk M, Kubiński K. New potent STS inhibitors based on fluorinated 4-(1-phenyl-1 H-[1,2,3]triazol-4-yl)-phenyl sulfamates. J Asian Nat Prod Res 2020; 22:1037-1044. [PMID: 31773975 DOI: 10.1080/10286020.2019.1680642] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Accepted: 10/08/2019] [Indexed: 06/10/2023]
Abstract
A series of fluorinated analogs based on the frameworks of 4-(1-phenyl-1H-[1,2,3]triazol-4-yl)-phenyl sulfamates have been synthesized as steroid sulfatase (STS) inhibitors. The design of chemical structures of new potential STS inhibitors was supported by molecular docking techniques to identify potential interactions between inhibitors and amino acid residues located in the STS active site. The STS inhibitory potency was evaluated on STS isolated from human placenta. We found that compounds substituted with fluorine atom at the meta position demonstrated the highest inhibitory effects in enzymatic STS assay. The most active analog 12e - inhibited STS enzyme with the IC50 value of 36 nM.
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Affiliation(s)
- Mateusz Daśko
- Department of Inorganic Chemistry, Faculty of Chemistry, Gdansk University of Technology, Narutowicza 11/12, Gdansk 80-233, Poland
| | - Sebastian Demkowicz
- Department of Organic Chemistry, Faculty of Chemistry, Gdansk University of Technology, Narutowicza 11/12, Gdansk 80-233, Poland
| | - Janusz Rachon
- Department of Organic Chemistry, Faculty of Chemistry, Gdansk University of Technology, Narutowicza 11/12, Gdansk 80-233, Poland
| | - Karol Biernacki
- Department of Organic Chemistry, Faculty of Chemistry, Gdansk University of Technology, Narutowicza 11/12, Gdansk 80-233, Poland
| | - Justyna Aszyk
- Department of Analytical Chemistry, Faculty of Chemistry, Gdansk University of Technology, Narutowicza 11/12, Gdansk 80-233, Poland
| | - Witold Kozak
- Department of Physical Chemistry, Faculty of Chemistry, University of Gdansk, Wita Stwosza 63, Gdansk 80-308, Poland
| | - Maciej Masłyk
- Department of Molecular Biology, Faculty of Biotechnology and Environment Sciences, the John Paul II Catholic University of Lublin, Konstantynów 1i, Lublin 20-708, Poland
| | - Konrad Kubiński
- Department of Molecular Biology, Faculty of Biotechnology and Environment Sciences, the John Paul II Catholic University of Lublin, Konstantynów 1i, Lublin 20-708, Poland
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Biernacki K, Daśko M, Ciupak O, Kubiński K, Rachon J, Demkowicz S. Novel 1,2,4-Oxadiazole Derivatives in Drug Discovery. Pharmaceuticals (Basel) 2020; 13:ph13060111. [PMID: 32485996 PMCID: PMC7345688 DOI: 10.3390/ph13060111] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 05/25/2020] [Accepted: 05/26/2020] [Indexed: 12/12/2022] Open
Abstract
Five-membered 1,2,4-oxadiazole heterocyclic ring has received considerable attentionbecause of its unique bioisosteric properties and an unusually wide spectrum of biological activities.Thus, it is a perfect framework for the novel drug development. After a century since the1,2,4-oxadiazole have been discovered, the uncommon potential attracted medicinal chemists'attention, leading to the discovery of a few presently accessible drugs containing 1,2,4-oxadiazoleunit. It is worth noting that the interest in a 1,2,4-oxadiazoles' biological application has been doubledin the last fifteen years. Herein, after a concise historical introduction, we present a comprehensiveoverview of the recent achievements in the synthesis of 1,2,4-oxadiazole-based compounds and themajor advances in their biological applications in the period of the last five years as well as briefremarks on prospects for further development.
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Affiliation(s)
- Karol Biernacki
- Department of Organic Chemistry, Faculty of Chemistry, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland; (K.B.); (O.C.); (J.R.)
| | - Mateusz Daśko
- Department of Inorganic Chemistry, Faculty of Chemistry, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland;
| | - Olga Ciupak
- Department of Organic Chemistry, Faculty of Chemistry, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland; (K.B.); (O.C.); (J.R.)
| | - Konrad Kubiński
- Department of Molecular Biology, Faculty of Biotechnology and Environment Sciences, The John Paul II Catholic University of Lublin, Konstantynów 1i, 20-708 Lublin, Poland;
| | - Janusz Rachon
- Department of Organic Chemistry, Faculty of Chemistry, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland; (K.B.); (O.C.); (J.R.)
| | - Sebastian Demkowicz
- Department of Organic Chemistry, Faculty of Chemistry, Gdansk University of Technology, Narutowicza 11/12, 80-233 Gdansk, Poland; (K.B.); (O.C.); (J.R.)
- Correspondence:
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Kozak W, Demkowicz S, Daśko M, Rachon J, Rak J. Modifications at the C(5) position of pyrimidine nucleosides. Russ Chem Rev 2020. [DOI: 10.1070/rcr4919] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
This review summarizes the state of knowledge on the chemical methods of C(5)-modifications of uridine and cytidine derivatives and may serve as a useful tool for synthetic chemists to choose an appropriate reaction protocol. The synthesis of 5-substituted uracil derivatives is gaining an increasing interest because of their possible applications in medicine and pharmacy. Modifications at the C(5) position of pyrimidine nucleosides can enhance their biostability, bioavailability or(and) biological activity. Among the C(5)-modified nucleosides, 5-halopyrimidines exhibit anticancer, antiviral, radio- and photosensitizing properties. Besides 5-halo-substituted derivatives, there are other examples of nucleosides with confirmed biological activity containing a C–C bond at the C(5) position in the pyrimidine ring. In recent decades, scientists have achieved great progress in the field of cross-coupling reactions. Among them, nickel-catalyzed processes provide a broad spectrum of synthetic methods that are based on less toxic and cheaper starting materials. This review summarizes the synthetic approaches based on the coupling or halogenation reactions, which enable 5-substituted pyrimidine nucleosides to be obtained. Moreover, the importance of the systems considered for medicine and pharmacy is briefly discussed.
The bibliography includes 197 references.
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9
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Daśko M, Demkowicz S, Biernacki K, Harrous A, Rachon J, Kozak W, Martyna A, Masłyk M, Kubiński K, Boguszewska‐Czubara A. Novel steroid sulfatase inhibitors based on
N
‐thiophosphorylated 3‐(4‐aminophenyl)‐coumarin‐7‐O‐sulfamates. Drug Dev Res 2019; 80:857-866. [DOI: 10.1002/ddr.21569] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 05/31/2019] [Accepted: 06/29/2019] [Indexed: 12/16/2022]
Affiliation(s)
- Mateusz Daśko
- Department of Inorganic Chemistry, Faculty of ChemistryGdansk University of Technology Gdansk Poland
| | - Sebastian Demkowicz
- Department of Organic Chemistry, Faculty of ChemistryGdansk University of Technology Gdansk Poland
| | - Karol Biernacki
- Department of Organic Chemistry, Faculty of ChemistryGdansk University of Technology Gdansk Poland
| | - Amira Harrous
- Department of Organic Chemistry, Faculty of ChemistryGdansk University of Technology Gdansk Poland
| | - Janusz Rachon
- Department of Organic Chemistry, Faculty of ChemistryGdansk University of Technology Gdansk Poland
| | - Witold Kozak
- Department of Physical Chemistry, Faculty of ChemistryUniversity of Gdansk Gdansk Poland
| | - Aleksandra Martyna
- Department of Molecular Biology, Faculty of Biotechnology and Environment SciencesThe John Paul II Catholic University of Lublin Lublin Poland
| | - Maciej Masłyk
- Department of Molecular Biology, Faculty of Biotechnology and Environment SciencesThe John Paul II Catholic University of Lublin Lublin Poland
| | - Konrad Kubiński
- Department of Molecular Biology, Faculty of Biotechnology and Environment SciencesThe John Paul II Catholic University of Lublin Lublin Poland
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10
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Affiliation(s)
- Witold Kozak
- Department of Organic Chemistry; Faculty of Chemistry; Gdańsk University of Technology; Narutowicza 11/12 80-233 Gdańsk Poland
| | - Janusz Rachon
- Department of Organic Chemistry; Faculty of Chemistry; Gdańsk University of Technology; Narutowicza 11/12 80-233 Gdańsk Poland
| | - Mateusz Daśko
- Department of Organic Chemistry; Faculty of Chemistry; Gdańsk University of Technology; Narutowicza 11/12 80-233 Gdańsk Poland
| | - Sebastian Demkowicz
- Department of Organic Chemistry; Faculty of Chemistry; Gdańsk University of Technology; Narutowicza 11/12 80-233 Gdańsk Poland
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11
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Daśko M, Przybyłowska M, Rachon J, Masłyk M, Kubiński K, Misiak M, Składanowski A, Demkowicz S. Synthesis and biological evaluation of fluorinated N -benzoyl and N -phenylacetoyl derivatives of 3-(4-aminophenyl)-coumarin-7- O -sulfamate as steroid sulfatase inhibitors. Eur J Med Chem 2017; 128:79-87. [DOI: 10.1016/j.ejmech.2017.01.028] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2016] [Revised: 12/30/2016] [Accepted: 01/21/2017] [Indexed: 11/26/2022]
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12
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Daśko M, Rachon J, Masłyk M, Kubiński K, Demkowicz S. Synthesis and biological evaluation ofN-acylated tyramine sulfamates containing C-F bonds as steroid sulfatase inhibitors. Chem Biol Drug Des 2017; 90:156-161. [DOI: 10.1111/cbdd.12931] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2016] [Revised: 11/30/2016] [Accepted: 12/13/2016] [Indexed: 12/27/2022]
Affiliation(s)
- Mateusz Daśko
- Department of Organic Chemistry; Faculty of Chemistry; Gdansk University of Technology; Gdansk Poland
| | - Janusz Rachon
- Department of Organic Chemistry; Faculty of Chemistry; Gdansk University of Technology; Gdansk Poland
| | - Maciej Masłyk
- Department of Molecular Biology; Faculty of Biotechnology and Environmental Sciences; The John Paul II Catholic University of Lublin; Lublin Poland
| | - Konrad Kubiński
- Department of Molecular Biology; Faculty of Biotechnology and Environmental Sciences; The John Paul II Catholic University of Lublin; Lublin Poland
| | - Sebastian Demkowicz
- Department of Organic Chemistry; Faculty of Chemistry; Gdansk University of Technology; Gdansk Poland
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13
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Demkowicz S, Kozak W, Da|ko M, Rachon J. Phosphoroorganic Metal Complexes in Therapeutics. Mini Rev Med Chem 2016; 16:1359-1373. [DOI: 10.2174/1389557516666160505120005] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2015] [Revised: 03/07/2016] [Accepted: 06/19/2016] [Indexed: 11/22/2022]
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Abstract
We developed a simple and efficient method for the synthesis of functionalized unsymmetrical alkynyl sulfides under mild conditions in good yields.
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Affiliation(s)
- J. Doroszuk
- Department of Organic Chemistry
- Faculty of Chemistry
- Gdansk University of Technology
- 80-233 Gdansk
- Poland
| | - M. Musiejuk
- Department of Organic Chemistry
- Faculty of Chemistry
- Gdansk University of Technology
- 80-233 Gdansk
- Poland
| | - S. Demkowicz
- Department of Organic Chemistry
- Faculty of Chemistry
- Gdansk University of Technology
- 80-233 Gdansk
- Poland
| | - J. Rachon
- Department of Organic Chemistry
- Faculty of Chemistry
- Gdansk University of Technology
- 80-233 Gdansk
- Poland
| | - D. Witt
- Department of Organic Chemistry
- Faculty of Chemistry
- Gdansk University of Technology
- 80-233 Gdansk
- Poland
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Daśko M, Masłyk M, Kubiński K, Aszyk J, Rachon J, Demkowicz S. Synthesis and steroid sulfatase inhibitory activities of N-phosphorylated 3-(4-aminophenyl)-coumarin-7-O-sulfamates. Med Chem Commun 2016. [DOI: 10.1039/c6md00113k] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In the present work, we report convenient methods for the synthesis and biological evaluation of N-phosphorylated derivatives of 3-(4-aminophenyl)-coumarin-7-O-sulfamate as potential steroid sulfatase (STS) inhibitors.
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Affiliation(s)
- Mateusz Daśko
- Department of Organic Chemistry
- Chemical Faculty
- Gdansk University of Technology
- 80-233 Gdansk
- Poland
| | - Maciej Masłyk
- Department of Molecular Biology
- Faculty of Biotechnology and Environment Sciences
- The John Paul II Catholic University of Lublin
- 20-708 Lublin
- Poland
| | - Konrad Kubiński
- Department of Molecular Biology
- Faculty of Biotechnology and Environment Sciences
- The John Paul II Catholic University of Lublin
- 20-708 Lublin
- Poland
| | - Justyna Aszyk
- Department of Analytical Chemistry
- Chemical Faculty
- Gdansk University of Technology
- 80-233 Gdansk
- Poland
| | - Janusz Rachon
- Department of Organic Chemistry
- Chemical Faculty
- Gdansk University of Technology
- 80-233 Gdansk
- Poland
| | - Sebastian Demkowicz
- Department of Organic Chemistry
- Chemical Faculty
- Gdansk University of Technology
- 80-233 Gdansk
- Poland
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Abstract
The purpose of this article is to provide an overview of the latest applications of organophosphorus compounds (OPs) that exhibit biological activity.
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Affiliation(s)
- Sebastian Demkowicz
- Department of Organic Chemistry
- Chemical Faculty
- Gdansk University of Technology
- 80-233 Gdansk
- Poland
| | - Janusz Rachon
- Department of Organic Chemistry
- Chemical Faculty
- Gdansk University of Technology
- 80-233 Gdansk
- Poland
| | - Mateusz Daśko
- Department of Organic Chemistry
- Chemical Faculty
- Gdansk University of Technology
- 80-233 Gdansk
- Poland
| | - Witold Kozak
- Department of Organic Chemistry
- Chemical Faculty
- Gdansk University of Technology
- 80-233 Gdansk
- Poland
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Kozak W, Daśko M, Masłyk M, Kubiński K, Rachon J, Demkowicz S. Steroid Sulfatase Inhibitors Based on Phosphate and Thiophosphate Flavone Analogs. Drug Dev Res 2015; 76:450-62. [DOI: 10.1002/ddr.21281] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2015] [Accepted: 09/07/2015] [Indexed: 01/04/2023]
Affiliation(s)
- Witold Kozak
- Department of Organic Chemistry, Chemical Faculty; Gdansk University of Technology; Narutowicza 11/12 80-233 Gdansk Poland
| | - Mateusz Daśko
- Department of Organic Chemistry, Chemical Faculty; Gdansk University of Technology; Narutowicza 11/12 80-233 Gdansk Poland
| | - Maciej Masłyk
- Department of Molecular Biology, Faculty of Biotechnology and Environment Sciences; The John Paul II Catholic University of Lublin; Konstantynów 1i 20-708 Lublin Poland
| | - Konrad Kubiński
- Department of Molecular Biology, Faculty of Biotechnology and Environment Sciences; The John Paul II Catholic University of Lublin; Konstantynów 1i 20-708 Lublin Poland
| | - Janusz Rachon
- Department of Organic Chemistry, Chemical Faculty; Gdansk University of Technology; Narutowicza 11/12 80-233 Gdansk Poland
| | - Sebastian Demkowicz
- Department of Organic Chemistry, Chemical Faculty; Gdansk University of Technology; Narutowicza 11/12 80-233 Gdansk Poland
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Demkowicz S, Daśko M, Kozak W, Krawczyk K, Witt D, Masłyk M, Kubiński K, Rachon J. Synthesis and Biological Evaluation of Fluorinated 3-Phenylcoumarin-7-O-Sulfamate Derivatives as Steroid Sulfatase Inhibitors. Chem Biol Drug Des 2015; 87:233-8. [DOI: 10.1111/cbdd.12652] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Revised: 07/20/2015] [Accepted: 08/11/2015] [Indexed: 12/20/2022]
Affiliation(s)
- Sebastian Demkowicz
- Department of Organic Chemistry; Chemical Faculty; Gdansk University of Technology; Narutowicza 11/12 80-233 Gdansk Poland
| | - Mateusz Daśko
- Department of Organic Chemistry; Chemical Faculty; Gdansk University of Technology; Narutowicza 11/12 80-233 Gdansk Poland
| | - Witold Kozak
- Department of Organic Chemistry; Chemical Faculty; Gdansk University of Technology; Narutowicza 11/12 80-233 Gdansk Poland
| | - Katarzyna Krawczyk
- Department of Organic Chemistry; Chemical Faculty; Gdansk University of Technology; Narutowicza 11/12 80-233 Gdansk Poland
| | - Dariusz Witt
- Department of Organic Chemistry; Chemical Faculty; Gdansk University of Technology; Narutowicza 11/12 80-233 Gdansk Poland
| | - Maciej Masłyk
- Department of Molecular Biology; Faculty of Biotechnology and Environment Sciences; The John Paul II Catholic University of Lublin; Konstantynów 1i 20-708 Lublin Poland
| | - Konrad Kubiński
- Department of Molecular Biology; Faculty of Biotechnology and Environment Sciences; The John Paul II Catholic University of Lublin; Konstantynów 1i 20-708 Lublin Poland
| | - Janusz Rachon
- Department of Organic Chemistry; Chemical Faculty; Gdansk University of Technology; Narutowicza 11/12 80-233 Gdansk Poland
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Kozak W, Daśko M, Masłyk M, Gielniewski B, Rachon J, Demkowicz S. Synthesis and biological evaluation of thiophosphate tricyclic coumarin derivatives as steroid sulfatase inhibitors. J Asian Nat Prod Res 2015; 17:1091-1096. [PMID: 26269086 DOI: 10.1080/10286020.2015.1054815] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2015] [Accepted: 05/20/2015] [Indexed: 06/04/2023]
Abstract
Steroid sulfatase (STS) enzyme inhibition is an important approach to the management of hormone-dependent breast cancer. In this paper, we report convenient methods for the synthesis and biological evaluation of thiophosphate tricyclic coumarin analogs exhibiting STS activity. The described methods are based on the straightforward preparation of 7-hydroxy-2,3-dihydro-1H-cyclopenta[c]chromen-2-one, 3-hydroxy-7,8,9,10-tetrahydro-6H-benzo[c]chromen-6-one, and 3-hydroxy-8,9,10,11-tetrahydro-7H-cyclohepta[c]chromen-6-one and their further modification by the introduction of various thiophosphate moieties. The inhibition properties of the synthesized compounds were tested toward STS isolated from human placenta. Most of the new STS inhibitors possessed good to moderate activity toward STS. During the course of our investigation, the largest inhibitory effects in the STS enzyme assays were observed for the two compounds 3f and 4r, with IC50 values of 13.3 and 30.3 μM, respectively (the IC50 value of 1 μM for the 665-COUMATE was used as a reference). The structure-activity relationships of the synthesized coumarin derivatives toward STS enzymes are discussed.
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Affiliation(s)
- Witold Kozak
- a Department of Organic Chemistry, Chemical Faculty , Gdansk University of Technology , Gdansk , Poland
| | - Mateusz Daśko
- a Department of Organic Chemistry, Chemical Faculty , Gdansk University of Technology , Gdansk , Poland
| | - Maciej Masłyk
- b Department of Molecular Biology, Faculty of Biotechnology and Environment Sciences , The John Paul II Catholic University of Lublin , Lublin , Poland
| | - Bartłomiej Gielniewski
- b Department of Molecular Biology, Faculty of Biotechnology and Environment Sciences , The John Paul II Catholic University of Lublin , Lublin , Poland
| | - Janusz Rachon
- a Department of Organic Chemistry, Chemical Faculty , Gdansk University of Technology , Gdansk , Poland
| | - Sebastian Demkowicz
- a Department of Organic Chemistry, Chemical Faculty , Gdansk University of Technology , Gdansk , Poland
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Demkowicz S, Kozak W, Daśko M, Masłyk M, Gielniewski B, Rachon J. Synthesis of bicoumarin thiophosphate derivatives as steroid sulfatase inhibitors. Eur J Med Chem 2015; 101:358-66. [DOI: 10.1016/j.ejmech.2015.06.051] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2014] [Revised: 06/26/2015] [Accepted: 06/26/2015] [Indexed: 01/04/2023]
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Demkowicz S, Kozak W, Daśko M, Masłyk M, Kubiński K, Rachon J. Phosphate and Thiophosphate Biphenyl Analogs as Steroid Sulfatase Inhibitors. Drug Dev Res 2015; 76:94-104. [DOI: 10.1002/ddr.21245] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2015] [Accepted: 02/14/2015] [Indexed: 12/16/2022]
Affiliation(s)
- Sebastian Demkowicz
- Department of Organic Chemistry, Chemical Faculty; Gdansk University of Technology; Narutowicza 11/12 80-233 Gdansk Poland
| | - Witold Kozak
- Department of Organic Chemistry, Chemical Faculty; Gdansk University of Technology; Narutowicza 11/12 80-233 Gdansk Poland
| | - Mateusz Daśko
- Department of Organic Chemistry, Chemical Faculty; Gdansk University of Technology; Narutowicza 11/12 80-233 Gdansk Poland
| | - Maciej Masłyk
- Department of Molecular Biology, Faculty of Biotechnology and Environment Sciences; The John Paul II Catholic University of Lublin; Konstantynów 1i 20-708 Lublin Poland
| | - Konrad Kubiński
- Department of Molecular Biology, Faculty of Biotechnology and Environment Sciences; The John Paul II Catholic University of Lublin; Konstantynów 1i 20-708 Lublin Poland
| | - Janusz Rachon
- Department of Organic Chemistry, Chemical Faculty; Gdansk University of Technology; Narutowicza 11/12 80-233 Gdansk Poland
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Kozak W, Daśko M, Wołos A, Masłyk M, Kubiński K, Składanowski A, Misiak M, Rachon J, Demkowicz S. Synthesis and steroid sulfatase inhibitory activities of N-alkanoyl tyramine phosphates and thiophosphates. RSC Adv 2015. [DOI: 10.1039/c5ra01614b] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A series of phosphate and thiophosphate analogs based on the frameworks of N-alkanoyl tyramines have been synthesized and biologically evaluated.
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Affiliation(s)
- Witold Kozak
- Department of Organic Chemistry
- Chemical Faculty
- Gdansk University of Technology
- 80-233 Gdansk
- Poland
| | - Mateusz Daśko
- Department of Organic Chemistry
- Chemical Faculty
- Gdansk University of Technology
- 80-233 Gdansk
- Poland
| | - Agnieszka Wołos
- Department of Organic Chemistry
- Chemical Faculty
- Gdansk University of Technology
- 80-233 Gdansk
- Poland
| | - Maciej Masłyk
- Department of Molecular Biology
- Faculty of Biotechnology and Environment Sciences
- The John Paul II Catholic University of Lublin
- 20-708 Lublin
- Poland
| | - Konrad Kubiński
- Department of Molecular Biology
- Faculty of Biotechnology and Environment Sciences
- The John Paul II Catholic University of Lublin
- 20-708 Lublin
- Poland
| | - Andrzej Składanowski
- Department of Pharmaceutical Technology and Biochemistry
- Chemical Faculty
- Gdansk University of Technology
- 80-233 Gdansk
- Poland
| | - Majus Misiak
- Department of Pharmaceutical Technology and Biochemistry
- Chemical Faculty
- Gdansk University of Technology
- 80-233 Gdansk
- Poland
| | - Janusz Rachon
- Department of Organic Chemistry
- Chemical Faculty
- Gdansk University of Technology
- 80-233 Gdansk
- Poland
| | - Sebastian Demkowicz
- Department of Organic Chemistry
- Chemical Faculty
- Gdansk University of Technology
- 80-233 Gdansk
- Poland
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Abstract
We developed a simple and efficient method for the synthesis of functionalized unsymmetrical disulfanes under mild conditions in good yields.
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Affiliation(s)
- Mateusz Musiejuk
- Department of Organic Chemistry
- Chemical Faculty
- Gdansk University of Technology
- 80-233 Gdansk
- Poland
| | - Tomasz Klucznik
- Department of Organic Chemistry
- Chemical Faculty
- Gdansk University of Technology
- 80-233 Gdansk
- Poland
| | - Janusz Rachon
- Department of Organic Chemistry
- Chemical Faculty
- Gdansk University of Technology
- 80-233 Gdansk
- Poland
| | - Dariusz Witt
- Department of Organic Chemistry
- Chemical Faculty
- Gdansk University of Technology
- 80-233 Gdansk
- Poland
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Kozak W, Daśko M, Masłyk M, Pieczykolan JS, Gielniewski B, Rachon J, Demkowicz S. Phosphate tricyclic coumarin analogs as steroid sulfatase inhibitors: synthesis and biological activity. RSC Adv 2014. [DOI: 10.1039/c4ra07135b] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
In the present work, we report convenient methods for the synthesis and biological evaluation of phosphate tricyclic coumarin derivatives as potential steroid sulfatase inhibitors.
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Affiliation(s)
- Witold Kozak
- Department of Organic Chemistry
- Chemical Faculty
- Gdansk University of Technology
- 80-233 Gdansk, Poland
| | - Mateusz Daśko
- Department of Organic Chemistry
- Chemical Faculty
- Gdansk University of Technology
- 80-233 Gdansk, Poland
| | - Maciej Masłyk
- Department of Molecular Biology
- Faculty of Biotechnology and Environment Sciences
- The John Paul II Catholic University of Lublin
- 20-708 Lublin, Poland
| | | | - Bartłomiej Gielniewski
- Department of Molecular Biology
- Faculty of Biotechnology and Environment Sciences
- The John Paul II Catholic University of Lublin
- 20-708 Lublin, Poland
| | - Janusz Rachon
- Department of Organic Chemistry
- Chemical Faculty
- Gdansk University of Technology
- 80-233 Gdansk, Poland
| | - Sebastian Demkowicz
- Department of Organic Chemistry
- Chemical Faculty
- Gdansk University of Technology
- 80-233 Gdansk, Poland
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Majewski A, Przychodzeń W, Rachon J. Efficient Selenenylation of Malonates Using Bis(phosphorothioyl) Diselenide. PHOSPHORUS SULFUR 2011. [DOI: 10.1080/10426507.2010.519253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
| | | | - Janusz Rachon
- a Chemical Faculty , Gdańsk University of Technology , Gdańsk , Poland
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Affiliation(s)
- Leszek Doszczak
- a Department of Organic Chemistry, Chemical Faculty , Technical University of Gdańsk , Gdańsk , Poland
| | - Witold Przychodzen
- a Department of Organic Chemistry, Chemical Faculty , Technical University of Gdańsk , Gdańsk , Poland
| | - Dariusz Witt
- a Department of Organic Chemistry, Chemical Faculty , Technical University of Gdańsk , Gdańsk , Poland
| | - Janusz Rachon
- a Department of Organic Chemistry, Chemical Faculty , Technical University of Gdańsk , Gdańsk , Poland
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Affiliation(s)
- Sławomir Makowiec
- a Department of Organic Chemistry, Chemical Faculty , Technical University of Gdańsk , Gdańsk, Poland
| | - Janusz Rachon
- a Department of Organic Chemistry, Chemical Faculty , Technical University of Gdańsk , Gdańsk, Poland
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Cholewinski G, Chojnacki J, Pikies J, Rachon J. 5,5-Dimethyl-2-methyl-seleno-1,3,2-dioxaphospho-rinan-2-one. Acta Crystallogr Sect E Struct Rep Online 2010; 66:o856. [PMID: 21580679 PMCID: PMC2984009 DOI: 10.1107/s1600536810008330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2010] [Accepted: 03/04/2010] [Indexed: 11/10/2022]
Abstract
The title compound, C6H13O3PSe, was obtained in the reaction of 5,5-dimethyl-2-oxo-2-seleno-1,3,2-dioxaphosphorinane potassium salt with methyl iodide. The selenomethyl group is in the axial position in relation to the six-membered dioxaphosphorinane ring.
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Affiliation(s)
- Grzegorz Cholewinski
- Chemical Faculty, Gdansk University of Technology, Narutowicza 11/12, Gdansk PL-80233, Poland
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Abstract
2-Amino-2-seleno-5,5-dimethyl-1,3,2-dioxaphosphorinane reacts with acyl chlorides (4-chlorobenzoyl chloride or pivaloyl chloride) yielding the respective N-acyl selenophosphoramides. These derivatives do not isomerise to the related selenocarbonyl imides. X-ray study of N-(4-chlorobenzoyl)-2-amino-2-seleno-5,5-dimethyl-1,3,2-dioxaphosphorinane indicates that the selenium atom is placed in the equatorial position. The next compound studied, N-pivaloyl-2-amino-2-seleno-5,5-dimethyl-1,3,2-dioxaphosphorinane, crystallises with both axial/equatorial conformers present in the asymmetric unit. Finally, 2-amino-2-seleno-5,5-dimethyl-1,3,2-dioxaphosphorinane is present in the solid state in the form with the selenium atom in the axial position. The results are presented together with X-ray structures of previously synthesised and described cyclic O-acyl monoselenophosphates.
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Affiliation(s)
- Grzegorz Cholewinski
- Department of Organic Chemistry, Chemical Faculty, Gdansk University of Technology, G. Narutowicza 11/12, 80-233, Gdansk
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Witt D, Okragla E, Demkowicz S, Rachon J. A Convenient and Efficient α-Sulfenylation of Carbonyl Compounds. SYNTHESIS-STUTTGART 2009. [DOI: 10.1055/s-0029-1216641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Cholewinski G, Chojnacki J, Pikies J, Rachon J. O-Pivaloyl diphenyl-seleno-phosphinate. Acta Crystallogr Sect E Struct Rep Online 2009; 65:o853-4. [PMID: 21582571 PMCID: PMC2968832 DOI: 10.1107/s1600536809009295] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2009] [Accepted: 03/13/2009] [Indexed: 11/10/2022]
Abstract
The title compound, C(17)H(19)O(2)PSe, was obtained in the reaction of the diphenyl-monoseleno-phosphinic acid ammonium salt with pivaloyl chloride. The P-Se bond length of 2.0769 (11) Å is normal, while the P-O bond length of 1.650 (3) Å is longer than in related O-alkyl and O-aryl derivatives. One phenyl ring is periplanar to the Se-P-C plane, while the dihedral angle between the two phenyl rings is ca 73°. The carbonyl group is in a synperiplanar position [torsion angle = 8.9 (6)°] to one of the methyl groups of the pivaloyl group. This is the first O-acyl derivative of diphenyl-monoseleno-phosphinic acid characterized by X-ray structural analysis.
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Affiliation(s)
- Grzegorz Cholewinski
- Chemical Faculty, Gdansk University of Technology, Narutowicza 11/12, Gdansk PL-80233, Poland
| | - Jaroslaw Chojnacki
- Chemical Faculty, Gdansk University of Technology, Narutowicza 11/12, Gdansk PL-80233, Poland
| | - Jerzy Pikies
- Chemical Faculty, Gdansk University of Technology, Narutowicza 11/12, Gdansk PL-80233, Poland
| | - Janusz Rachon
- Chemical Faculty, Gdansk University of Technology, Narutowicza 11/12, Gdansk PL-80233, Poland
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Cholewinski G, Chojnacki J, Pikies J, Rachon J. O-4-Chloro-benzoyl diphenyl-seleno-phosphinate. Acta Crystallogr Sect E Struct Rep Online 2009; 65:o855. [PMID: 21582572 PMCID: PMC2968906 DOI: 10.1107/s1600536809009313] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2009] [Accepted: 03/13/2009] [Indexed: 11/10/2022]
Abstract
The title compound, C(19)H(14)ClO(2)PSe, was obtained in the reaction of the diphenyl-monoseleno-phosphinic acid ammonium salt with 4-chloro-benzoyl chloride. The dihedral angle between the P-bonded aromatic rings is 72.64 (14)°. Packing of the mol-ecules in the crystal is reinforced by π-π stacking inter-actions between two inversion-related 4-chloro-benzene rings [centroid-centroid separation = 4.189 (2) Å] and a C-H⋯O interaction also occurs.
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Affiliation(s)
- Grzegorz Cholewinski
- Chemical Faculty, Gdansk University of Technology, Narutowicza 11/12, Gdansk PL-80233, Poland
| | - Jaroslaw Chojnacki
- Chemical Faculty, Gdansk University of Technology, Narutowicza 11/12, Gdansk PL-80233, Poland
| | - Jerzy Pikies
- Chemical Faculty, Gdansk University of Technology, Narutowicza 11/12, Gdansk PL-80233, Poland
| | - Janusz Rachon
- Chemical Faculty, Gdansk University of Technology, Narutowicza 11/12, Gdansk PL-80233, Poland
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Szymelfejnik M, Rachon J, Demkowicz S, Witt D. The Organophosphorus Sulfenyl Bromides as Versatile Reagents for Cysteine Derivatives Functionalization by Unsymmetrical Disulfide Bond Formation. PHOSPHORUS SULFUR 2008. [DOI: 10.1080/10426500701735437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Mateusz Szymelfejnik
- a Department of Organic Chemistry, Chemical Faculty , Gdansk University of Technology , Gdansk, Poland
| | - Janusz Rachon
- a Department of Organic Chemistry, Chemical Faculty , Gdansk University of Technology , Gdansk, Poland
| | - Sebastian Demkowicz
- a Department of Organic Chemistry, Chemical Faculty , Gdansk University of Technology , Gdansk, Poland
| | - Dariusz Witt
- a Department of Organic Chemistry, Chemical Faculty , Gdansk University of Technology , Gdansk, Poland
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Witt D, Szymelfejnik M, Demkowicz S, Rachon J. Functionalization of Cysteine Derivatives by Unsymmetrical Disulfide Bond Formation. SYNTHESIS-STUTTGART 2007. [DOI: 10.1055/s-2007-990853] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Cholewinski G, Witt D, Majewski R, Ossowski T, Rachon J. Reaction of thio and seleno phosphoric acid derivatives withO-thioacylated hydroxylamine. Heteroatom Chem 2007. [DOI: 10.1002/hc.20368] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Dembkowski L, Witt D, Rachon J. REACTIVITY OF THE ACIDS OF TRIVALENT PHOSPHORUS AND THEIR DERIVATIVES. PART IX. THE >P-0− AND >P-S− NUCLEOPHILES IN THE REACTIONS OF HALOPHILIC SUBSTITUTION. PHOSPHORUS SULFUR 2006. [DOI: 10.1080/10426509708040504] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Leszek Dembkowski
- a Department of Organic Chemistry, Chemical Faculty , Technical University of Gdansk , 80-952, Gdansk, Poland
| | - Dariusz Witt
- a Department of Organic Chemistry, Chemical Faculty , Technical University of Gdansk , 80-952, Gdansk, Poland
| | - Janusz Rachon
- a Department of Organic Chemistry, Chemical Faculty , Technical University of Gdansk , 80-952, Gdansk, Poland
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Affiliation(s)
- Jacek Nycz
- a Department of Organic Chemistry, Chemical Faculty , Technical University of Gdańsk , 80-952, Gdańsk;, Poland
| | - Janusz Rachon
- a Department of Organic Chemistry, Chemical Faculty , Technical University of Gdańsk , 80-952, Gdańsk;, Poland
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Przychodze W, Konitz A, Wojnowski W, Rachon J. REACTIVITY OF THE ACIDS OF TRIVALENT PHOSPHORUS AND THEIR DERIVATIVES. PART X∗. UNEXPECTED REACTIVITY OF THE >P-O− ANIONS TOWARD 2-PHENYL-3-PHENYLIMINOINDOLENINE N-OXIDE. PHOSPHORUS SULFUR 2006. [DOI: 10.1080/10426509808036971] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Witold Przychodze
- a Chemical Faculty , Technical University of Gdansk , 80-952, Gdansk, Poland
| | - Antoni Konitz
- a Chemical Faculty , Technical University of Gdansk , 80-952, Gdansk, Poland
| | - Wieslaw Wojnowski
- a Chemical Faculty , Technical University of Gdansk , 80-952, Gdansk, Poland
| | - Janusz Rachon
- a Chemical Faculty , Technical University of Gdansk , 80-952, Gdansk, Poland
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Dembkowski L, Rachon J. REACTIVITY OF THE ACIDS OF TRIVALENT PHOSPHORUS AND THEIR DERIVATIVES. PART III.∗ THE >P—O−IONS IN REACTION WITH ACTIVATED ALKYL BROMIDES. ATTACK ON BROMINE vs ELECTRON TRANSFER. PHOSPHORUS SULFUR 2006. [DOI: 10.1080/10426509408021951] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Leszek Dembkowski
- a Department of Organic Chemistry , Technical University of Gdánsk , ul. Narutowicza 11/12, 80-952, Gdańsk, Poland
| | - Janusz Rachon
- a Department of Organic Chemistry , Technical University of Gdánsk , ul. Narutowicza 11/12, 80-952, Gdańsk, Poland
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Witt D, Rachon J. REACTIVITY OF THE ACIDS OF TRIVALENT PHOSPHORUS AND THEIR DERIVATIVES. PART VI. THE REACTION OF THE >P—O− ANIONS WITH BENZYL BROMIDES para-SUBSTITUTED IN THE PHENYL RING. PHOSPHORUS SULFUR 2006. [DOI: 10.1080/10426509608029649] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Dariusz Witt
- a Department of Organic Chemistry , Technical University of Gdańsk , ul. Narutowicza 11/12, 80-952, Gdańsk, Poland
| | - Janusz Rachon
- a Department of Organic Chemistry , Technical University of Gdańsk , ul. Narutowicza 11/12, 80-952, Gdańsk, Poland
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Witt D, Rachon J. REACTIVITY OF THE ACIDS OF TRIVALENT PHOSPHORUS AND THEIR DERIVATIVES. PART II. THE REACTION OF TRIVALENT PHOSPHORUS ACID SALTS WITH THE BENZYLIC HALIDES SYSTEM. PHOSPHORUS SULFUR 2006. [DOI: 10.1080/10426509408021941] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Dariusz Witt
- a Department of Organic Chemistry , Technical University of Gdańsk , 80-952, Gdańsk, Poland
| | - Janusz Rachon
- a Department of Organic Chemistry , Technical University of Gdańsk , 80-952, Gdańsk, Poland
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Abstract
The synthesis of several new O-acyl selenophosphates were investigated. The stability and reactivity of the products were studied and related to their structure.
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Affiliation(s)
- Janusz Rachon
- Department of Organic Chemistry, Chemical Faculty, Gdansk University of Technology, Narutowicza 11/12, 80-952 Gdansk, Poland.
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Rachon J, Dziemidowicz J, Witt D, Sliwka-Kaszynska M. Potassium Trimethylsilanolate-Mediated Conversion of Dialkyl Phosphonates to Their Anhydrous Potassium Monoalkyl Phosphonates Under Mild, Non-Aqueous Conditions. SYNTHESIS-STUTTGART 2005. [DOI: 10.1055/s-2005-861797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Przychodzeń W, Doszczak L, Rachon J. Substituent effects on 15N NMR chemical shifts in selected N-alkylthiohydroxamic acids. A comparative study. Magn Reson Chem 2005; 43:27-30. [PMID: 15390022 DOI: 10.1002/mrc.1497] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
The 15N NMR spectra of three N-alkyl-delta-carbomethoxyvalerothiohydroxamic acids (2) and six synthesized N-isopropylbenzothiohydroxamic acids (3) were measured and compared with appropriate spectra of structurally similar hydroxylamines (1), benzohydroxamic acids (4), benzamides (5) and thiobenzamides (6). The analysis of the chemical shifts of the thiohydroxamic acids under investigation indicates that the inductive effect of the hydroxyl group rather than steric hindrance is responsible for non-additivity of the effect of substituents. Additionally, N-hydroxyl diminishes the effect of aromatic ring substituents on the 15N chemical shifts in the thiohydroxamic acids 3 which is approximately half that in the respective thiobenzamides 6. The chemical shift values correlate best with Brown's sigma+ parameter.
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Affiliation(s)
- Witold Przychodzeń
- Faculty of Chemistry, Gdańsk University of Technology, 80-952 Gdańsk, Poland.
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