1
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Baykova SO, Baykov SV, Solodyankina OV, Boyarskiy VP. Access to 4-((Pyridin-2-yl)amino)quinazolinones via Annulation of 2-Aminobenzonitriles with N'-(Pyridin-2-yl)- N, N-dimethyl Ureas. J Org Chem 2024. [PMID: 39166766 DOI: 10.1021/acs.joc.4c00974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/23/2024]
Abstract
We have developed a convenient protocol for synthesizing N-(2-pyridyl)-substituted 4-(amino)quinazolin-2(1H)-ones by reacting N,N-dimethyl-N'-pyridylureas with 2-aminobenzonitriles. The method relies on the ability of N,N-dimethyl-N'-pyridyl/quinolinyl ureas to act as masked isocyanates under thermal activation, followed by a Dimroth rearrangement of 4-imino-3-(hetaryl)-3,4-dihydroquinazolin-2(1H)-ones. Conducted at 120 °C, either in DMF or under solvent-free conditions, this approach has produced 28 derivatives of 4-aminoquinazolinones, featuring pyridine or quinoline substituents, with yields of up to 92%.
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Affiliation(s)
- Svetlana O Baykova
- Institute of Chemistry, Saint Petersburg State University, Universitetskaya nab., 7/9, St. Petersburg 199034, Russia
| | - Sergey V Baykov
- Institute of Chemistry, Saint Petersburg State University, Universitetskaya nab., 7/9, St. Petersburg 199034, Russia
| | - Olga V Solodyankina
- Institute of Chemistry, Saint Petersburg State University, Universitetskaya nab., 7/9, St. Petersburg 199034, Russia
| | - Vadim P Boyarskiy
- Institute of Chemistry, Saint Petersburg State University, Universitetskaya nab., 7/9, St. Petersburg 199034, Russia
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2
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Damiescu R, Elbadawi M, Dawood M, Klauck SM, Bringmann G, Efferth T. Aniquinazoline B, a Fungal Natural Product, Activates the μ-Opioid Receptor. ChemMedChem 2024:e202400213. [PMID: 38781501 DOI: 10.1002/cmdc.202400213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2024] [Accepted: 05/22/2024] [Indexed: 05/25/2024]
Abstract
The development of new μ-opioid receptor (MOR) agonists without the undesirable side effects, such as addiction or respiratory depression, has been a difficult challenge over the years. In the search for new compounds, we screened our chemical database of over 40.000 substances and further assessed the best 100 through molecular docking. We selected the top 10 compounds and evaluated them for their biological activity and potential to influence cyclic adenosine monophosphate (cAMP) levels. From the tested compounds, compound 7, called aniquinazoline B, belonging to the quinazolinone alkaloids class and isolated from the marine fungus Aspergillus nidulans, showed promising results, by inhibiting cAMP levels and in vitro binding to MOR, verified through microscale thermophoresis. Transcriptomic data investigation profiled the genes affected by compound 7 and discovered activation of different pathways compared to opioids. The western blot analysis revealed compound 7 as a balanced ligand, activating both p-ERK1/2 and β-arrestin1/2 pathways, showing this is a favorable candidate to be further tested.
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Affiliation(s)
- Roxana Damiescu
- Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Staudinger Weg 5, Mainz, Germany
| | - Mohamed Elbadawi
- Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Staudinger Weg 5, Mainz, Germany
| | - Mona Dawood
- Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Staudinger Weg 5, Mainz, Germany
| | - Sabine M Klauck
- Division of Cancer Genome Research, German Cancer Research Center (DKFZ) Heidelberg, National Center for Tumor Diseases (NCT), NCT Heidelberg, a partnership between DKFZ, University Hospital Heidelberg, Im Neuenheimer Feld 280, Heidelberg, Germany
| | - Gerhard Bringmann
- Institute of Organic Chemistry, University of Würzburg, Am Hubland, Würzburg, Germany
| | - Thomas Efferth
- Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Staudinger Weg 5, Mainz, Germany
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3
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Mansour MA, AboulMagd AM, Abbas SH, Abdel-Aziz M, Abdel-Rahman HM. Quinazoline-chalcone hybrids as HDAC/EGFR dual inhibitors: Design, synthesis, mechanistic, and in-silico studies of potential anticancer activity against multiple myeloma. Arch Pharm (Weinheim) 2024; 357:e2300626. [PMID: 38297894 DOI: 10.1002/ardp.202300626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Revised: 01/02/2024] [Accepted: 01/05/2024] [Indexed: 02/02/2024]
Abstract
Two new series of quinazoline-chalcone hybrids were designed, synthesized as histone deacetylase (HDAC)/epidermal growth factor receptor (EGFR) dual inhibitors, and screened in vitro against the NCI 60 human cancer cell line panel. The most potent derivative, compound 5e bearing a 3,4,5-trimethoxyphenyl chalcone moiety, showed the most effective growth inhibition value against the panel of NCI 60 human cancer cell lines. Thus, it was selected for further investigation for NCI 5 log doses. Interestingly, this trimethoxy-substituted analog inhibited the proliferation of Roswell Park Memorial Institute (RPMI)-8226 cells by 96%, at 10 µM with IC50 = 9.09 ± 0.34 µM and selectivity index = 7.19 against normal blood cells. To confirm the selectivity of this compound, it was evaluated against a panel of tyrosine kinase enzymes. Mechanistically, it successfully and selectively inhibited HDAC6, HDAC8, and EGFR with IC50 = 0.41 ± 0.015, 0.61 ± 0.027, and 0.09 ± 0.004 µM, respectively. Furthermore, the selected derivative induced apoptosis via the mitochondrial apoptotic pathway by raising the Bax/Bcl-2 ratio and activating caspases 3, 7, and 9. Also, the flow cytometry analysis of RPMI-8226 cells showed that the trimethoxy-substituted analog produced cell cycle arrest in the G1 and S phases at 55.82%. Finally, an in silico study was performed to explore the binding interaction of the most active compound within the zinc-containing binding site of HDAC6 and HDAC8.
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Affiliation(s)
- Mostafa A Mansour
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Nahda University in Beni-Suef (NUB), Beni-Suef, Egypt
| | - Asmaa M AboulMagd
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Nahda University in Beni-Suef (NUB), Beni-Suef, Egypt
| | - Samar H Abbas
- Medicinal Chemistry Department, Faculty of Pharmacy, Minia University, Minia, Egypt
| | - Mohamed Abdel-Aziz
- Medicinal Chemistry Department, Faculty of Pharmacy, Minia University, Minia, Egypt
| | - Hamdy M Abdel-Rahman
- Medicinal Chemistry Department, Faculty of Pharmacy, Assiut University, Assiut, Egypt
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Badr University in Assiut (BUA), Assiut, Egypt
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4
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Yamamoto Y, Yaji K, Ito T. Practical Isolation of tert-Butyl [(1 S,2 R)-2-Aminocyclohexyl]carbamate ( R)-Mandelate through Diastereomeric Salt Formation under Thermodynamic Control. Org Process Res Dev 2022. [DOI: 10.1021/acs.oprd.2c00215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yuhei Yamamoto
- Process Chemistry, Pharmaceutical Sciences, Takeda Pharmaceutical Company Limited, 17-85 Jusohonmachi 2-chome, Yodogawa-ku, Osaka 532-8686, Japan
| | - Kentaro Yaji
- Process Chemistry, Pharmaceutical Sciences, Takeda Pharmaceutical Company Limited, 17-85 Jusohonmachi 2-chome, Yodogawa-ku, Osaka 532-8686, Japan
| | - Tatsuya Ito
- Process Chemistry, Pharmaceutical Sciences, Takeda Pharmaceutical Company Limited, 17-85 Jusohonmachi 2-chome, Yodogawa-ku, Osaka 532-8686, Japan
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5
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K Zaidan R, Evans P. Stereoselective synthesis of analogues of deoxyfebrifugine. JOURNAL OF CHEMICAL RESEARCH 2022. [DOI: 10.1177/17475198211047209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The preparation of six new optically active analogues of the natural product febrifugine (1) is reported. These analogues, lacking the hydroxy group from the natural product, were prepared from optically active N-protected S-pelletierine (7) and differ in terms of the specific quinazolinone portion included. The required S-7 (80% enantiomeric excess) was prepared from an asymmetric Mannich reaction between piperideine (8) and acetone in the presence of l-proline. The differently substituted quinazolinone used in this study (10a–10g) was either commercially available or was prepared from the corresponding substituted anthranilic acid and were installed via a bromination–alkylation sequence. N-Deprotection of the subsequent adducts (12a–12g) gave target compounds 13a–13f and completed the synthetic sequence.
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Affiliation(s)
- Raed K Zaidan
- Centre for Synthesis and Chemical Biology, School of Chemistry, University College Dublin, Dublin, Ireland
- Department of Chemistry, College of Science, University of Basra, Basra, Iraq
| | - Paul Evans
- Centre for Synthesis and Chemical Biology, School of Chemistry, University College Dublin, Dublin, Ireland
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6
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Dvorakova M, Langhansova L, Temml V, Pavicic A, Vanek T, Landa P. Synthesis, Inhibitory Activity, and In Silico Modeling of Selective COX-1 Inhibitors with a Quinazoline Core. ACS Med Chem Lett 2021; 12:610-616. [PMID: 33854702 PMCID: PMC8040043 DOI: 10.1021/acsmedchemlett.1c00004] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Accepted: 03/05/2021] [Indexed: 12/17/2022] Open
Abstract
Selective cyclooxygenase-1 (COX-1) inhibition has got into the spotlight with the discovery of COX-1 upregulation in various cancers and the cardioprotective role of COX-1 in control of thrombocyte aggregation. Yet, COX-1-selective inhibitors are poorly explored. Thus, three series of quinazoline derivatives were prepared and tested for their potential inhibitory activity toward COX-1 and COX-2. Of the prepared compounds, 11 exhibited interesting COX-1 selectivity, with 8 compounds being totally COX-1-selective. The IC50 value of the best quinazoline inhibitor was 64 nM. The structural features ensuring COX-1 selectivity were elucidated using in silico modeling.
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Affiliation(s)
- Marcela Dvorakova
- Laboratory
of Plant Biotechnologies, Czech Academy
of Sciences, Institute of Experimental Botany, Rozvojova 263, 165 02 Prague 6 - Lysolaje, Czech
Republic
| | - Lenka Langhansova
- Laboratory
of Plant Biotechnologies, Czech Academy
of Sciences, Institute of Experimental Botany, Rozvojova 263, 165 02 Prague 6 - Lysolaje, Czech
Republic
| | - Veronika Temml
- Department
of Pharmaceutical and Medicinal Chemistry, Paracelsus Medical University of Salzburg, Strubergasse 21, 5020 Salzburg, Austria
| | - Antonio Pavicic
- Laboratory
of Plant Biotechnologies, Czech Academy
of Sciences, Institute of Experimental Botany, Rozvojova 263, 165 02 Prague 6 - Lysolaje, Czech
Republic
| | - Tomas Vanek
- Laboratory
of Plant Biotechnologies, Czech Academy
of Sciences, Institute of Experimental Botany, Rozvojova 263, 165 02 Prague 6 - Lysolaje, Czech
Republic
| | - Premysl Landa
- Laboratory
of Plant Biotechnologies, Czech Academy
of Sciences, Institute of Experimental Botany, Rozvojova 263, 165 02 Prague 6 - Lysolaje, Czech
Republic
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7
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Wu F. The synthesis of N‐containing heterocyclic compounds catalyzed by copper/ L‐proline. Appl Organomet Chem 2020. [DOI: 10.1002/aoc.5975] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Fengtian Wu
- Jiangxi Province Key Laboratory of Polymer Micro/Nano Manufacturing and Devices East China University of Technology Nanchang 330013 China
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8
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2-Styryl-4-aminoquinazoline derivatives as potent DNA-cleavage, p53-activation and in vivo effective anticancer agents. Eur J Med Chem 2020; 186:111851. [DOI: 10.1016/j.ejmech.2019.111851] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 11/03/2019] [Accepted: 11/03/2019] [Indexed: 02/06/2023]
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9
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Han X, Peng B, Xiao BB, Sheng-Li Cao, Yang CR, Wang WZ, Wang FC, Li HY, Yuan XL, Shi R, Liao J, Wang H, Li J, Xu X. Synthesis and evaluation of chalcone analogues containing a 4-oxoquinazolin-2-yl group as potential anti-tumor agents. Eur J Med Chem 2018; 162:586-601. [PMID: 30472605 DOI: 10.1016/j.ejmech.2018.11.034] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2018] [Revised: 11/11/2018] [Accepted: 11/14/2018] [Indexed: 12/27/2022]
Abstract
The chalcone motif can be found in many molecules that contribute to essential biological processes, and many chalcone-containing compounds exhibit potent anti-cancer activity. Here, we synthesized two series of chalcone analogues (3a-s and 6a-s) based on substituting the chalcone B-ring or A-ring with a 4-oxoquinazolin-2-yl group, and then evaluated them for cytotoxic activity in human colorectal HCT-116 and breast cancer MCF-7 cell lines. Compounds 3a-s (in which a 4-oxoquinazolin-2-yl group functioned as the B-ring) were markedly more cytotoxic than compounds 6a-s (in which 4-oxoquinazolin-2-yl group functioned as the A-ring), based on their IC50 values to inhibit proliferation. Compound 3f was found as the most potent among 38 analogues and the mechanism of its cytotoxicity was investigated. Flow cytometry indicated that HCT-116 cells treated with compound 3f resulted in a dose-dependent accumulation of cells in the sub-G1 phase, which is representative of apoptotic cells. Subsequent assays (including Annexin V-FITC/PI, AO-EB, MitoSOX™ Red and JC-1 staining) confirmed that 3f exposure induced apoptosis in HCT-116 cells. Immunoblotting analysis indicated that cellular exposure to 3f increased the cleavage of PARP1 and caspases 3, 7, and 9. Taken together, this novel chalcone analogue has a cytotoxic effect on cultured cancer cell-lines that is likely mediated by inducing apoptosis via the mitochondrial death pathway.
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Affiliation(s)
- Xue Han
- Department of Chemistry and Beijing Key Laboratory of DNA Damage Response, Capital Normal University, Beijing, 100048, PR China
| | - Bin Peng
- Shenzhen University School of Medicine and Guangdong Key Laboratory for Genome Stability & Disease Prevention, Shenzhen, Guangdong, 518060, PR China
| | - Bei-Bei Xiao
- Department of Chemistry and Beijing Key Laboratory of DNA Damage Response, Capital Normal University, Beijing, 100048, PR China
| | - Sheng-Li Cao
- Department of Chemistry and Beijing Key Laboratory of DNA Damage Response, Capital Normal University, Beijing, 100048, PR China.
| | - Chao-Rui Yang
- Department of Chemistry and Beijing Key Laboratory of DNA Damage Response, Capital Normal University, Beijing, 100048, PR China
| | - Wen-Zhu Wang
- Department of Chemistry and Beijing Key Laboratory of DNA Damage Response, Capital Normal University, Beijing, 100048, PR China
| | - Fu-Cheng Wang
- Department of Chemistry and Beijing Key Laboratory of DNA Damage Response, Capital Normal University, Beijing, 100048, PR China
| | - Hong-Yun Li
- Department of Chemistry and Beijing Key Laboratory of DNA Damage Response, Capital Normal University, Beijing, 100048, PR China
| | - Xiao-Li Yuan
- Department of Chemistry and Beijing Key Laboratory of DNA Damage Response, Capital Normal University, Beijing, 100048, PR China
| | - Ruifeng Shi
- Shenzhen University School of Medicine and Guangdong Key Laboratory for Genome Stability & Disease Prevention, Shenzhen, Guangdong, 518060, PR China
| | - Ji Liao
- College of Life Science and Beijing Key Laboratory of DNA Damage Response, Capital Normal University, Beijing, 100048, PR China
| | - Hailong Wang
- College of Life Science and Beijing Key Laboratory of DNA Damage Response, Capital Normal University, Beijing, 100048, PR China
| | - Jing Li
- College of Life Science and Beijing Key Laboratory of DNA Damage Response, Capital Normal University, Beijing, 100048, PR China
| | - Xingzhi Xu
- Shenzhen University School of Medicine and Guangdong Key Laboratory for Genome Stability & Disease Prevention, Shenzhen, Guangdong, 518060, PR China.
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10
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Gavin JT, Annor-Gyamfi JK, Bunce RA. Quinazolin-4(3 H)-ones and 5,6-Dihydropyrimidin-4(3 H)-ones from β-Aminoamides and Orthoesters. Molecules 2018; 23:molecules23112925. [PMID: 30423947 PMCID: PMC6278269 DOI: 10.3390/molecules23112925] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2018] [Accepted: 11/08/2018] [Indexed: 02/07/2023] Open
Abstract
Quinazolin-4(3H)-ones have been prepared in one step from 2-aminobenzamides and orthoesters in the presence of acetic acid. Simple 2-aminobenzamides were easily converted to the heterocycles by refluxing in absolute ethanol with 1.5 equivalents of the orthoester and 2 equivalents of acetic acid for 12–24 h. Ring-substituted and hindered 2-aminobenzamides as well as cases incorporating an additional basic nitrogen required pressure tube conditions with 3 equivalents each of the orthoester and acetic acid in ethanol at 110 °C for 12–72 h. The reaction was tolerant towards functionality on the benzamide and a range of structures was accessible. Workup involved removal of the solvent under vacuum and either recrystallization from ethanol or trituration with ether-pentane. Several 5,6-dihydropyrimidin-4(3H)-ones were also prepared from 3-amino-2,2-dimethylpropionamide. All products were characterized by melting point, FT-IR, 1H-NMR, 13C-NMR, and HRMS.
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Affiliation(s)
- Joshua T Gavin
- Department of Chemistry, Oklahoma State University, Stillwater, OK 74078-3071, USA.
| | - Joel K Annor-Gyamfi
- Department of Chemistry, Oklahoma State University, Stillwater, OK 74078-3071, USA.
| | - Richard A Bunce
- Department of Chemistry, Oklahoma State University, Stillwater, OK 74078-3071, USA.
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11
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Li ZH, Jiang ZJ, Shao QL, Qin JJ, Shu QF, Lu WH, Su WK. One-Pot Cascade Heterocyclization of γ- and β-Ketomalononitriles to 2,4-Dichloro-Substituted Pyrano[2,3- d]pyrimidines and Furo[2,3- d]pyrimidines Mediated by Triphosgene and Triphenylphosphine Oxide. J Org Chem 2018; 83:6423-6431. [PMID: 29779383 DOI: 10.1021/acs.joc.8b00669] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
A one-pot cascade heterocyclization strategy has been developed for the synthesis of 2,4-dichloro-substituted pyrano[2,3- d]pyrimidines and furo[2,3- d]pyrimidines from linear γ- and β-ketomalononitriles using triphosgene and triphenylphosphine oxide. The reaction afforded synthetic useful products with moderate to good yields, bypassing the conventional harsh conditions of chlorination. The mechanistic study revealed that the reaction proceeded with a non-isocyanate route, and the second step may conduct in a triphenylphosphine oxide-catalyzed manner.
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Affiliation(s)
- Zhen-Hua Li
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education, College of Pharmaceutical Sciences , Zhejiang University of Technology , Hangzhou 310014 , People's Republic of China
| | - Zhi-Jiang Jiang
- National Engineering Research Center for Process Development of Active Pharmaceutical Ingredients, Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals , Zhejiang University of Technology , Hangzhou 310014 , People's Republic of China
| | - Qiao-Ling Shao
- National Engineering Research Center for Process Development of Active Pharmaceutical Ingredients, Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals , Zhejiang University of Technology , Hangzhou 310014 , People's Republic of China
| | - Jin-Jing Qin
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education, College of Pharmaceutical Sciences , Zhejiang University of Technology , Hangzhou 310014 , People's Republic of China
| | - Qiang-Feng Shu
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education, College of Pharmaceutical Sciences , Zhejiang University of Technology , Hangzhou 310014 , People's Republic of China
| | - Wen-Hao Lu
- Key Laboratory for Green Pharmaceutical Technologies and Related Equipment of Ministry of Education, College of Pharmaceutical Sciences , Zhejiang University of Technology , Hangzhou 310014 , People's Republic of China
| | - Wei-Ke Su
- National Engineering Research Center for Process Development of Active Pharmaceutical Ingredients, Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals , Zhejiang University of Technology , Hangzhou 310014 , People's Republic of China
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12
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Che T, Chen SB, Tu JL, Wang B, Wang YQ, Zhang Y, Wang J, Wang ZQ, Zhang ZP, Ou TM, Zhao Y, Tan JH, Huang ZS. Discovery of Novel Schizocommunin Derivatives as Telomeric G-Quadruplex Ligands That Trigger Telomere Dysfunction and the Deoxyribonucleic Acid (DNA) Damage Response. J Med Chem 2018; 61:3436-3453. [PMID: 29618208 DOI: 10.1021/acs.jmedchem.7b01615] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Telomeric G-quadruplex targeting and telomere maintenance interference are emerging as attractive strategies for anticancer therapies. Here, a novel molecular scaffold is explored for telomeric G-quadruplex targeting. A series of novel schizocommunin derivatives was designed and synthesized as potential telomeric G-quadruplex ligands. The interaction of telomeric G-quadruplex DNA with the derivatives was explored by biophysical assay. The cytotoxicity of the derivatives toward cancer cell lines was evaluated by the methyl thiazolyl tetrazolium (MTT) assay. Among the derivatives, compound 16 showed great stabilization ability toward telomeric G-quadruplex DNA and good cytotoxicity toward cancer cell lines. Further cellular experiments indicated that 16 could induce the formation of telomeric G-quadruplex in cells, triggering a DNA damage response at the telomere and causing telomere dysfunction. These effects ultimately provoked p53-mediated cell cycle arrest and apoptosis, and suppressed tumor growth in a mouse xenograft model. Our work provides a novel scaffold for the development of telomeric G-quadruplex ligands.
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Affiliation(s)
- Tong Che
- Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, School of Pharmaceutical Sciences , Sun Yat-sen University , Guangzhou 510006 , People's Republic of China
| | - Shuo-Bin Chen
- Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, School of Pharmaceutical Sciences , Sun Yat-sen University , Guangzhou 510006 , People's Republic of China
| | - Jia-Li Tu
- Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, School of Pharmaceutical Sciences , Sun Yat-sen University , Guangzhou 510006 , People's Republic of China
| | - Bo Wang
- Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, School of Pharmaceutical Sciences , Sun Yat-sen University , Guangzhou 510006 , People's Republic of China
| | - Yu-Qing Wang
- Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, School of Pharmaceutical Sciences , Sun Yat-sen University , Guangzhou 510006 , People's Republic of China
| | - Yan Zhang
- Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, School of Pharmaceutical Sciences , Sun Yat-sen University , Guangzhou 510006 , People's Republic of China
| | - Jing Wang
- Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, School of Pharmaceutical Sciences , Sun Yat-sen University , Guangzhou 510006 , People's Republic of China
| | - Zeng-Qing Wang
- Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, School of Pharmaceutical Sciences , Sun Yat-sen University , Guangzhou 510006 , People's Republic of China
| | - Ze-Peng Zhang
- School of Life Sciences , Sun Yat-sen University , Guangzhou 510006 , People's Republic of China
| | - Tian-Miao Ou
- Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, School of Pharmaceutical Sciences , Sun Yat-sen University , Guangzhou 510006 , People's Republic of China
| | - Yong Zhao
- School of Life Sciences , Sun Yat-sen University , Guangzhou 510006 , People's Republic of China
| | - Jia-Heng Tan
- Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, School of Pharmaceutical Sciences , Sun Yat-sen University , Guangzhou 510006 , People's Republic of China
| | - Zhi-Shu Huang
- Guangdong Provincial Key Laboratory of New Drug Design and Evaluation, School of Pharmaceutical Sciences , Sun Yat-sen University , Guangzhou 510006 , People's Republic of China
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13
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Synthesis and biological evaluation of novel quinazoline-4-piperidinesulfamide derivatives as inhibitors of NPP1. Eur J Med Chem 2018; 147:130-149. [PMID: 29427906 DOI: 10.1016/j.ejmech.2018.01.094] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Revised: 01/19/2018] [Accepted: 01/30/2018] [Indexed: 11/27/2022]
Abstract
The ecto-nucleotide pyrophosphatase/phosphodiesterase-1 (NPP1) was recently shown to promote mineralization of the aortic valve, hence, its inhibition represents a significant target. A quinazoline-4-piperidine sulfamide compound (QPS1) has been described as a specific and non-competitive inhibitor of NPP1. We report herein the synthesis and in vitro inhibition studies of novel quinazoline-4-piperidine sulfamide analogues using QPS1 as the lead compound. Of the 26 derivatives prepared, four compounds were found to have Ki < 105 nM against human NPP1.
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14
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Charaschanya M, Bogdan AR, Wang Y, Djuric SW. Nucleophilic aromatic substitution of heterocycles using a high-temperature and high-pressure flow reactor. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.01.080] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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15
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Ahmadi F, Bazgir A. Synthesis of benzoimidazoquinazolines by cobalt-catalyzed isocyanide insertion–cyclization. RSC Adv 2016. [DOI: 10.1039/c6ra06828f] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
The synthesis of benzoimidazoquinazoline amines by the reaction of isocyanides and benzo[d]imidazol-anilines via a cobalt-catalyzed isocyanide insertion reaction into the two N–H active bonds is reported.
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Affiliation(s)
- Fereshteh Ahmadi
- Department of Chemistry
- Shahid Beheshti University
- Tehran 1983963113
- Iran
| | - Ayoob Bazgir
- Department of Chemistry
- Shahid Beheshti University
- Tehran 1983963113
- Iran
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16
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Nepomuceno GM, Chan KM, Huynh V, Martin KS, Moore JT, O’Brien TE, Pollo LAE, Sarabia FJ, Tadeus C, Yao Z, Anderson DE, Ames JB, Shaw JT. Synthesis and Evaluation of Quinazolines as Inhibitors of the Bacterial Cell Division Protein FtsZ. ACS Med Chem Lett 2015; 6:308-12. [PMID: 25815151 DOI: 10.1021/ml500497s] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2014] [Accepted: 01/07/2015] [Indexed: 02/06/2023] Open
Abstract
The bacterial cell division protein FtsZ is one of many potential targets for the development of novel antibiotics. Recently, zantrin Z3 was shown to be a cross-species inhibitor of FtsZ; however, its specific interactions with the protein are still unknown. Herein we report the synthesis of analogues that contain a more tractable core structure and an analogue with single-digit micromolar inhibition of FtsZ's GTPase activity, which represents the most potent inhibitor of Escherichia coli FtsZ reported to date. In addition, the zantrin Z3 core has been converted to two potential photo-cross-linking reagents for proteomic studies that could shed light on the molecular interactions between FtsZ and molecules related to zantrin Z3.
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Affiliation(s)
| | - Katie M. Chan
- University of California, Davis, One Shields Avenue, Davis, California 95616, United States
| | - Valerie Huynh
- University of California, Davis, One Shields Avenue, Davis, California 95616, United States
| | - Kevin S. Martin
- University of California, Davis, One Shields Avenue, Davis, California 95616, United States
| | - Jared T. Moore
- University of California, Davis, One Shields Avenue, Davis, California 95616, United States
| | - Terrence E. O’Brien
- University of California, Davis, One Shields Avenue, Davis, California 95616, United States
| | - Luiz A. E. Pollo
- University of California, Davis, One Shields Avenue, Davis, California 95616, United States
| | - Francisco J. Sarabia
- University of California, Davis, One Shields Avenue, Davis, California 95616, United States
| | - Clarissa Tadeus
- University of California, Davis, One Shields Avenue, Davis, California 95616, United States
| | - Zi Yao
- University of California, Davis, One Shields Avenue, Davis, California 95616, United States
| | - David E. Anderson
- University of California, Davis, One Shields Avenue, Davis, California 95616, United States
| | - James B. Ames
- University of California, Davis, One Shields Avenue, Davis, California 95616, United States
| | - Jared T. Shaw
- University of California, Davis, One Shields Avenue, Davis, California 95616, United States
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17
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Shelke NB, Ghorpade R, Pratap A, Tak V, Acharya BN. SNAr reaction in aqueous medium in the presence of mixed organic and inorganic bases. RSC Adv 2015. [DOI: 10.1039/c5ra03510d] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
N-Arylation of amines with fluorobenzonitriles in aqueous medium is described. A mixture of N,N-diisopropylethyl amine and Na2CO3 (1 : 1) is found to achieve maximum conversion by refluxing for 3 hours in water.
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Affiliation(s)
- Nilesh B. Shelke
- Process Technology Development Division
- Defence R & D Establishment
- Gwalior-474002
- India
| | - Ramrao Ghorpade
- Process Technology Development Division
- Defence R & D Establishment
- Gwalior-474002
- India
| | - Ajay Pratap
- Process Technology Development Division
- Defence R & D Establishment
- Gwalior-474002
- India
| | - Vijay Tak
- Vertox Laboratory
- Defence R & D Establishment
- Gwalior-474002
- India
| | - B. N. Acharya
- Process Technology Development Division
- Defence R & D Establishment
- Gwalior-474002
- India
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18
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Toledo MA, Pedregal C, Lafuente C, Diaz N, Martinez-Grau MA, Jiménez A, Benito A, Torrado A, Mateos C, Joshi EM, Kahl SD, Rash KS, Mudra DR, Barth VN, Shaw DB, McKinzie D, Witkin JM, Statnick MA. Discovery of a novel series of orally active nociceptin/orphanin FQ (NOP) receptor antagonists based on a dihydrospiro(piperidine-4,7'-thieno[2,3-c]pyran) scaffold. J Med Chem 2014; 57:3418-29. [PMID: 24678969 DOI: 10.1021/jm500117r] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Nociceptin/OFQ (N/OFQ) is a 17 amino acid peptide that is the endogenous ligand for the ORL1/NOP receptor. Nociceptin appears to regulate a host of physiological functions such as biological reactions to stress, anxiety, mood, and drug abuse, in addition to feeding behaviors. To develop tools to study the function of nociceptin and NOP receptor, our research effort sought to identify orally available NOP antagonists. Our effort led to the discovery of a novel chemical series based on the dihydrospiro(piperidine-4,7'-thieno[2,3-c]pyran) scaffold. Herein we show that dihydrospiro(piperidine-4,7'-thieno[2,3-c]pyran)-derived compounds are potent NOP antagonists with high selectivity versus classical opioid receptors (μ, δ, and κ). Moreover, these compounds exhibit sufficient bioavailability to produce a high level of NOP receptor occupancy in the brain following oral administration in rats.
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Affiliation(s)
- Miguel A Toledo
- Centro de Investigación Lilly, Avenida de la Industria 30, 28108-Alcobendas, Madrid, Spain
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19
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Senćanski M, Došen-Mićović L. In Silico Study of the Structurally Similar ORL1 Receptor Agonist and Antagonist Pairs Reveal Possible Mechanism of Receptor Activation. Protein J 2014; 33:231-42. [DOI: 10.1007/s10930-014-9555-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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20
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Helali AYH, Sarg MTM, Koraa MMS, El-Zoghbi MSF. Utility of 2-Methyl-quinazolin-4(3H)-one in the Synthesis of Heterocyclic Compounds with Anticancer Activity. ACTA ACUST UNITED AC 2014. [DOI: 10.4236/ojmc.2014.41002] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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21
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Pandey G, Dey D, Fernandes R. Scalable Synthesis of Enantiomerically Pure cis-1,2-Cyclohexanediamine Derivatives and Conformationally Rigid 7-Azabicyclo[2.2.1]heptan-2-amines. European J Org Chem 2013. [DOI: 10.1002/ejoc.201300253] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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22
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Anderson DE, Kim MB, Moore JT, O’Brien TE, Sorto NA, Grove CI, Lackner LL, Ames JB, Shaw JT. Comparison of small molecule inhibitors of the bacterial cell division protein FtsZ and identification of a reliable cross-species inhibitor. ACS Chem Biol 2012; 7:1918-28. [PMID: 22958099 DOI: 10.1021/cb300340j] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
FtsZ is a guanosine triphosphatase (GTPase) that mediates cytokinesis in bacteria. FtsZ is homologous in structure to eukaryotic tubulin and polymerizes in a similar head-to-tail fashion. The study of tubulin's function in eukaryotic cells has benefited greatly from specific and potent small molecule inhibitors, including colchicine and taxol. Although many small molecule inhibitors of FtsZ have been reported, none has emerged as a generally useful probe for modulating bacterial cell division. With the goal of establishing a useful and reliable small molecule inhibitor of FtsZ, a broad biochemical cross-comparison of reported FtsZ inhibitors was undertaken. Several of these molecules, including phenolic natural products, are unselective inhibitors that seem to derive their activity from the formation of microscopic colloids or aggregates. Other compounds, including the natural product viriditoxin and the drug development candidate PC190723, exhibit no inhibition of GTPase activity using protocols in this work or under published conditions. Of the compounds studied, only zantrin Z3 exhibits good levels of inhibition, maintains activity under conditions that disrupt small molecule aggregates, and provides a platform for exploration of structure-activity relationships (SAR). Preliminary SAR studies have identified slight modifications to the two side chains of this structure that modulate the inhibitory activity of zantrin Z3. Collectively, these studies will help focus future investigations toward the establishment of probes for FtsZ that fill the roles of colchicine and taxol in studies of tubulin.
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Affiliation(s)
- David E. Anderson
- Department of Chemistry, University of California, One Shields Ave, Davis, California 95616,
United States
| | - Michelle B. Kim
- Department of Chemistry, University of California, One Shields Ave, Davis, California 95616,
United States
| | - Jared T. Moore
- Department of Chemistry, University of California, One Shields Ave, Davis, California 95616,
United States
| | - Terrence E. O’Brien
- Department of Chemistry, University of California, One Shields Ave, Davis, California 95616,
United States
| | - Nohemy A. Sorto
- Department of Chemistry, University of California, One Shields Ave, Davis, California 95616,
United States
| | - Charles I. Grove
- Department of Chemistry, University of California, One Shields Ave, Davis, California 95616,
United States
| | - Laura L. Lackner
- Department of Chemistry, University of California, One Shields Ave, Davis, California 95616,
United States
| | - James B. Ames
- Department of Chemistry, University of California, One Shields Ave, Davis, California 95616,
United States
| | - Jared T. Shaw
- Department of Chemistry, University of California, One Shields Ave, Davis, California 95616,
United States
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23
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Chemoenzymatic preparation of optically active trans- and cis-cyclohex-4-ene-1,2-diamine and trans-6-aminocyclohex-3-enol derivatives. Tetrahedron 2012. [DOI: 10.1016/j.tet.2012.05.087] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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24
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Jiang N, Zhai X, Li T, Liu D, Zhang T, Wang B, Gong P. Design, synthesis and antiproliferative activity of novel 2-substituted-4-amino-6-halogenquinolines. Molecules 2012; 17:5870-81. [PMID: 22592090 PMCID: PMC6268466 DOI: 10.3390/molecules17055870] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2012] [Revised: 05/10/2012] [Accepted: 05/11/2012] [Indexed: 11/16/2022] Open
Abstract
Two series of novel 2-substituted-4-amino-6-halogenquinolines 8a-l and 13a-h were designed, synthesized and evaluated for their antiproliferative activity against H-460, HT-29, HepG2 and SGC-7901 cancer cell lines in vitro. The pharmacological results indicated that most compounds with 2-arylvinyl substituents exhibited good to excellent antiproliferative activity. Among them, compound 8e was a considered promising lead for further structural modifications with IC₅₀ values of 0.03 μM, 0.55 μM, 0.33 μM and 1.24 μM, which was 2.5- to 186-fold more active than gefitinib and compound 1.
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Affiliation(s)
| | | | | | | | | | | | - Ping Gong
- Author to whom correspondence should be addressed; ; Tel./Fax: +86-24-2398-6429
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25
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Kulkarni SS, Singh S, Shah JR, Low WK, Talele TT. Synthesis and SAR optimization of quinazolin-4(3H)-ones as poly(ADP-ribose)polymerase-1 inhibitors. Eur J Med Chem 2012; 50:264-73. [DOI: 10.1016/j.ejmech.2012.02.001] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2011] [Revised: 01/27/2012] [Accepted: 02/01/2012] [Indexed: 11/25/2022]
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26
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Yin P, Liu N, Deng YX, Chen Y, Deng Y, He L. Synthesis of 2,4-Diaminoquinazolines and Tricyclic Quinazolines by Cascade Reductive Cyclization of Methyl N-Cyano-2-nitrobenzimidates. J Org Chem 2012; 77:2649-58. [PMID: 22283399 DOI: 10.1021/jo2023697] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Ping Yin
- Key Laboratory of Drug-Targeting
and Drug-Delivery Systems of the Ministry of Education, Department
of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, Chengdu, Sichuan, 610041, P. R.
China
| | - Nan Liu
- Key Laboratory of Drug-Targeting
and Drug-Delivery Systems of the Ministry of Education, Department
of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, Chengdu, Sichuan, 610041, P. R.
China
| | - Yu-Xing Deng
- Key Laboratory of Drug-Targeting
and Drug-Delivery Systems of the Ministry of Education, Department
of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, Chengdu, Sichuan, 610041, P. R.
China
| | - Yue Chen
- Department of Nuclear
Medicine
Affiliated Hospital, Luzhou Medical College, No. 25 Taiping Street, Luzhou, Sichuan, 646000, P. R. China
| | - Yong Deng
- Key Laboratory of Drug-Targeting
and Drug-Delivery Systems of the Ministry of Education, Department
of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, Chengdu, Sichuan, 610041, P. R.
China
| | - Ling He
- Key Laboratory of Drug-Targeting
and Drug-Delivery Systems of the Ministry of Education, Department
of Medicinal Chemistry, West China School of Pharmacy, Sichuan University, Chengdu, Sichuan, 610041, P. R.
China
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27
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Zhong W, Wu D, Li Z. Facile and Efficient Cyclization of Anthranilonitrile to 2,4-Dichloroquinazoline by Bis(trichloromethyl) Carbonate and Catalytic Amount Triphenylphosphine Oxide. HETEROCYCLES 2012. [DOI: 10.3987/com-12-12466] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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28
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Mustazza C, Bastanzio G. Development of nociceptin receptor (NOP) agonists and antagonists. Med Res Rev 2011; 31:605-48. [PMID: 20099319 DOI: 10.1002/med.20197] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
The nociceptin opioid (NOP) receptor is the most recently discovered member of the family of the opioid receptors; its endogenous agonist is the peptide nociceptin. Due to the subsequent elucidation of its physiological role in both central and peripheral nervous system and in some non-neural tissues, there is a rapidly growing interest in the pharmacological application of substances active on this receptor. Despite the current clinical use of a morphinane-based NOP/MOP mixed ligand (buprenorphine) as an analgesic and in the treatment of drug addictions, so far just a few clinical trials have been made with selective NOP ligands. However, the perspective of their utilization is rapidly growing. Agonists can find applications in the treatment of neuropathic pain, anxiety, cough, drug addition, urinary incontinence, anorexia, congestive heart failure, hypertension; and antagonists for pain, depression, Parkinson's disease, obesity, and as memory enhancers. Besides peptide ligands, which are still subjected to many pharmacological investigations, many different chemical classes of NOP ligands have been discovered: piperidines, nortropanes, spiropiperidines, 4-amino-quinolines and quinazolines, and others. The new advances in establishing structure-activity relationships, also with the help of modeling studies, can permit the development of more active and selective molecules.
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Affiliation(s)
- Carlo Mustazza
- Dipartimento del Farmaco, Istituto Superiore di Sanità, Viale Regina Elena, Roma, Italy.
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29
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Abstract
This paper is the 32nd consecutive installment of the annual review of research concerning the endogenous opioid system. It summarizes papers published during 2009 that studied the behavioral effects of molecular, pharmacological and genetic manipulation of opioid peptides, opioid receptors, opioid agonists and opioid antagonists. The particular topics that continue to be covered include the molecular-biochemical effects and neurochemical localization studies of endogenous opioids and their receptors related to behavior (Section 2), and the roles of these opioid peptides and receptors in pain and analgesia (Section 3); stress and social status (Section 4); tolerance and dependence (Section 5); learning and memory (Section 6); eating and drinking (Section 7); alcohol and drugs of abuse (Section 8); sexual activity and hormones, pregnancy, development and endocrinology (Section 9); mental illness and mood (Section 10); seizures and neurologic disorders (Section 11); electrical-related activity and neurophysiology (Section 12); general activity and locomotion (Section 13); gastrointestinal, renal and hepatic functions (Section 14); cardiovascular responses (Section 15); respiration and thermoregulation (Section 16); and immunological responses (Section 17).
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Affiliation(s)
- Richard J Bodnar
- Department of Psychology and Neuropsychology Doctoral Sub-Program, Queens College, City University of New York, 65-30 Kissena Blvd., Flushing, NY 11367, USA.
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30
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Yan SJ, Zheng H, Huang C, Yan YY, Lin J. Synthesis of highly functionalized 2,4-diaminoquinazolines as anticancer and anti-HIV agents. Bioorg Med Chem Lett 2010; 20:4432-5. [DOI: 10.1016/j.bmcl.2010.06.056] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2010] [Revised: 05/21/2010] [Accepted: 06/09/2010] [Indexed: 01/11/2023]
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31
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Cakici M, Catir M, Karabuga S, Kilic H, Ulukanli S, Gulluce M, Orhan F. Synthesis and biological evaluation of (S)-4-aminoquinazoline alcohols. ACTA ACUST UNITED AC 2010. [DOI: 10.1016/j.tetasy.2010.05.040] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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32
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Satoh A, Sagara T, Sakoh H, Hashimoto M, Nakashima H, Kato T, Goto Y, Mizutani S, Azuma-Kanoh T, Tani T, Okuda S, Okamoto O, Ozaki S, Iwasawa Y, Ohta H, Kawamoto H. Identification of an orally active opioid receptor-like 1 (ORL1) receptor antagonist 4-{3-[(2R)-2,3-dihydroxypropyl]-2-oxo-2,3-dihydro-1H-benzimidazol-1-yl}-1-[(1S,3S,4R)-spiro[bicyclo[2.2.1]heptane-2,1'-cyclopropan]-3-ylmethyl]piperidine as clinical candidate. J Med Chem 2009; 52:4091-4. [PMID: 19537798 DOI: 10.1021/jm900581g] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Our efforts to optimize prototype opioid receptor-like 1 (ORL1) antagonist 1 led to the discovery of 4-{3-[(2R)-2,3-dihydroxypropyl]-2-oxo-2,3-dihydro-1H-benzimidazol-1-yl}-1-[(1S,3S,4R)-spiro[bicyclo[2.2.1]heptane-2,1'-cyclopropan]-3-ylmethyl]piperidine 10. 10 showed potent ORL1 antagonistic activity, excellent selectivity over other opioid receptors, and in vivo efficacy after oral dosing. Currently clinical trials of 10 are underway.
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Affiliation(s)
- Atsushi Satoh
- Tsukuba Research Institute, Banyu Pharmaceutical Co, Ltd, Tsukuba 300-2611, Ibaraki, Japan
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33
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Kobayashi K, Uchiyama M, Ito H, Takahashi H, Yoshizumi T, Sakoh H, Nagatomi Y, Asai M, Miyazoe H, Tsujita T, Hirayama M, Ozaki S, Tani T, Ishii Y, Ohta H, Okamoto O. Discovery of novel arylpyrazole series as potent and selective opioid receptor-like 1 (ORL1) antagonists. Bioorg Med Chem Lett 2009; 19:3627-31. [DOI: 10.1016/j.bmcl.2009.04.116] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2009] [Revised: 04/22/2009] [Accepted: 04/24/2009] [Indexed: 10/20/2022]
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