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Durgun M, Akocak S, Lolak N, Topal F, Koçyiğit ÜM, Türkeş C, Işık M, Beydemir Ş. Design and Synthesis of Pyrazole Carboxamide Derivatives as Selective Cholinesterase and Carbonic Anhydrase Inhibitors: Molecular Docking and Biological Evaluation. Chem Biodivers 2024; 21:e202301824. [PMID: 38149720 DOI: 10.1002/cbdv.202301824] [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: 11/15/2023] [Revised: 12/20/2023] [Accepted: 12/24/2023] [Indexed: 12/28/2023]
Abstract
The present study focused on the synthesis and characterization of novel pyrazole carboxamide derivatives (SA1-12). The inhibitory effect of the compounds on cholinesterases (ChEs; AChE and BChE) and carbonic anhydrases (hCAs; hCA I and hCA II) isoenzymes were screened as in vitro. These series compounds have been identified as potential inhibitors with a KI values in the range of 10.69±1.27-70.87±8.11 nM for hCA I, 20.01±3.48-56.63±6.41 nM for hCA II, 6.60±0.62-14.15±1.09 nM for acetylcholinesterase (AChE) and 54.87±7.76-137.20 ±9.61 nM for butyrylcholinesterase (BChE). These compounds have a more effective inhibition effect when compared to the reference compounds. In addition, the potential binding positions of the compounds with high affinity for ChE and hCAs were demonstrated by in silico methods. The results of in silico and in vitro studies support each other. As a result of the present study, the compounds with high inhibitory activity for metabolic enzymes, such as ChE and hCA were designed. The compounds may be potential alternative agents used as selective ChE and hCA inhibitors in the treatment of Alzheimer's disease and glaucoma.
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Affiliation(s)
- Mustafa Durgun
- Department of Chemistry, Faculty of Arts and Sciences, Harran University, 63290, Şanlıurfa, Turkey
| | - Suleyman Akocak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adıyaman University, 02040, Adıyaman, Turkey
| | - Nebih Lolak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adıyaman University, 02040, Adıyaman, Turkey
| | - Fevzi Topal
- Department of Food Engineering, Faculty of Engineering and Natural Sciences, Gümüşhane University, 29100, Gümüşhane, Turkey
- Department of Chemical and Chemical Processing Technologies, Gümüşhane Vocational School, Gümüşhane University, 29100, Gümüşhane, Turkey
| | - Ümit Muhammet Koçyiğit
- Department of Biochemistry, Faculty of Pharmacy, Sivas Cumhuriyet University, 58140, Sivas, Turkey
| | - Cüneyt Türkeş
- Department of Biochemistry, Faculty of Pharmacy, Erzincan Binali Yıldırım University, 24002, Erzincan, Turkey
| | - Mesut Işık
- Department of Bioengineering, Faculty of Engineering, Bilecik Şeyh Edebali University, 11230, Bilecik, Turkey
| | - Şükrü Beydemir
- Department of Biochemistry, Faculty of Pharmacy, Anadolu University, 26470, Eskişehir, Turkey
- Bilecik Şeyh Edebali University, 11230, Bilecik, Turkey
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2
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Zhu Y, Liu B, Chen Z, Wang X, Wang Y, Zhang W, Wang S, Zhang M, Li Y. Synthesis, evaluation and molecular dynamics study of human toll-like receptor 2/6 specific monoacyl lipopeptides as candidate immunostimulants. Bioorg Chem 2023; 141:106823. [PMID: 37708825 DOI: 10.1016/j.bioorg.2023.106823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 08/14/2023] [Accepted: 08/27/2023] [Indexed: 09/16/2023]
Abstract
TLR2 agonists typified by the S-[2,3-bis(palmitoyloxy)-(2RS)-propyl]-R-cysteinyl-S-serine (Pam2CS) motif have exhibited powerful immunostimulatory activities. Based on simplified monoacyl lipopeptide (Carbamate-linked N-Ac PamCS), we describe interesting SAR investigations where modifications are done to alter the size of substituents on the cysteine amine, introduce ionizable groups to the terminal and insert aromatic substitutions to the aliphatic chain. Our structural modifications have led to a highly specific human TLR2/6 agonist 14a (EC50 = 0.424 nM), which behaves like Pam2CSK4 by inducing NF-κB activation to trigger downstream signaling pathways, such as subsequent phosphorylation of related proteins (p65, p38) and production of key inflammatory cytokines (IL-6, IL-1β, TNF-α). Importantly, the ability to stimulate enhanced T cell response compared to Carbamate-linked N-Ac PamCS makes compound 14a a further potential candidate immunostimulant.
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Affiliation(s)
- Yueyue Zhu
- School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Bo Liu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zonglong Chen
- School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Xianyang Wang
- School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Yujie Wang
- School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Wenhong Zhang
- Department of Infectious Diseases, Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response, National Medical Center for Infectious Diseases, Huashan Hospital, Shanghai Medical College, Fudan University, 200040, China; Shanghai Huashen Institute of Microbes and Infections, NO.6 Lane 1220 Huashan Rd., Shanghai 200052, China
| | - Sen Wang
- Department of Infectious Diseases, Shanghai Key Laboratory of Infectious Diseases and Biosafety Emergency Response, National Medical Center for Infectious Diseases, Huashan Hospital, Shanghai Medical College, Fudan University, 200040, China; Shanghai Huashen Institute of Microbes and Infections, NO.6 Lane 1220 Huashan Rd., Shanghai 200052, China
| | - Mingming Zhang
- School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Yingxia Li
- School of Pharmacy, Fudan University, Shanghai 201203, China.
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Panga SR, Hall RG, Samant RV, Montgomery M, Shyadligeri AS. Synthesis of unsymmetrical dihydro triazine-2,4-diones by the N–N bond fragmentation of urazoles followed by intramolecular cyclization. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.154076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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4
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Liosi ME, Ippolito JA, Henry SP, Krimmer SG, Newton AS, Cutrona KJ, Olivarez RA, Mohanty J, Schlessinger J, Jorgensen WL. Insights on JAK2 Modulation by Potent, Selective, and Cell-Permeable Pseudokinase-Domain Ligands. J Med Chem 2022; 65:8380-8400. [PMID: 35653642 PMCID: PMC9939005 DOI: 10.1021/acs.jmedchem.2c00283] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
JAK2 is a non-receptor tyrosine kinase that regulates hematopoiesis through the JAK-STAT pathway. The pseudokinase domain (JH2) is an important regulator of the activity of the kinase domain (JH1). V617F mutation in JH2 has been associated with the pathogenesis of various myeloproliferative neoplasms, but JAK2 JH2 has been poorly explored as a pharmacological target. In light of this, we aimed to develop JAK2 JH2 binders that could selectively target JH2 over JH1 and test their capacity to modulate JAK2 activity in cells. Toward this goal, we optimized a diaminotriazole lead compound into potent, selective, and cell-permeable JH2 binders leveraging computational design, synthesis, binding affinity measurements for the JH1, JH2 WT, and JH2 V617F domains, permeability measurements, crystallography, and cell assays. Optimized diaminotriazoles are capable of inhibiting STAT5 phosphorylation in both WT and V617F JAK2 in cells.
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Affiliation(s)
- Maria-Elena Liosi
- Department of Chemistry, Yale University, New Haven, CT 06520-8107, USA
| | | | - Sean P. Henry
- Department of Chemistry, Yale University, New Haven, CT 06520-8107, USA
| | - Stefan G. Krimmer
- Department of Chemistry, Yale University, New Haven, CT 06520-8107, USA,Department of Pharmacology, Yale University School of Medicine, New Haven, CT 06520-8066, USA
| | - Ana S. Newton
- Department of Chemistry, Yale University, New Haven, CT 06520-8107, USA
| | - Kara J. Cutrona
- Department of Chemistry, Yale University, New Haven, CT 06520-8107, USA
| | - Rene A. Olivarez
- Department of Chemistry, Yale University, New Haven, CT 06520-8107, USA
| | - Jyotidarsini Mohanty
- Department of Pharmacology, Yale University School of Medicine, New Haven, CT 06520-8066, USA
| | - Joseph Schlessinger
- Department of Pharmacology, Yale University School of Medicine, New Haven, CT 06520-8066, USA
| | - William L. Jorgensen
- Department of Chemistry, Yale University, New Haven, CT 06520-8107, USA,Corresponding author. William L. Jorgensen.
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Watts P, Sagandira CR. Rapid Multigram-Scale End-to-End Continuous-Flow Synthesis of Sulfonylurea Antidiabetes Drugs: Gliclazide, Chlorpropamide, and Tolbutamide. SYNTHESIS-STUTTGART 2022. [DOI: 10.1055/a-1664-2282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
AbstractA multigram-scale robust, efficient, and safe end-to-end continuous-flow process for the diabetes sulfonylurea drugs gliclazide, chlorpropamide, and tolbutamide is reported. The drugs were prepared by the treatment of an amine with a haloformate affording carbamate, which was subsequently treated with a sulfonamide to afford sulfonylurea. Gliclazide was obtained in 87% yield within 2.5 minutes total residence time with 26 g/h throughput; 0.2 kg of the drug was produced in 8 hours of running the system continuously. Chlorpropamide and tolbutamide were both obtained in 94% yield within 1 minute residence time with 184–188 g/h throughput; 1.4–1.5 kg of the drugs was produced in 8 hours of running the system continuously. N-Substituted carbamates were used as safe alternatives to the hazardous isocyanates in constructing the sulfonyl urea moiety.
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Sagandira CR, Khasipo AZ, Watts P. Total Synthesis of Glipizide and Glibenclamide in Continuous Flow. Chemistry 2021; 27:16028-16035. [PMID: 34633700 DOI: 10.1002/chem.202103196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Indexed: 11/09/2022]
Abstract
Glipizide and glibenclamide remain some of the widely prescribed antidiabetic sulfonylurea drugs for the treatment of type 2 diabetes mellitus. Herein the authors report on an isocyanate-free synthetic procedure towards the preparation of these on demand drugs at multigram scale using continuous flow technology. The safety concern over the use of isocyanates in most of the existing synthetic routes was dealt with in this present work by using N-carbamates synthesised in situ from activation of amines with chloroformates as safer alternatives. An overall yield of 80-85 % was obtained for the semi-telescoped steps within 10 min total residence time.
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Affiliation(s)
- Cloudius R Sagandira
- Department of Chemistry, Nelson Mandela University, University Way, Port Elizabeth, 6031, South Africa
| | - Agnes Z Khasipo
- Department of Chemistry, Nelson Mandela University, University Way, Port Elizabeth, 6031, South Africa
| | - Paul Watts
- Department of Chemistry, Nelson Mandela University, University Way, Port Elizabeth, 6031, South Africa
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Xing L, Sun W, Sun X, Peng J, Li Z, Zhu P, Zheng X. Semicarbazide Accumulation, Distribution and Chemical Forms in Scallop ( Chlamys farreri) after Seawater Exposure. Animals (Basel) 2021; 11:ani11061500. [PMID: 34064266 PMCID: PMC8224293 DOI: 10.3390/ani11061500] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/13/2021] [Accepted: 05/19/2021] [Indexed: 12/15/2022] Open
Abstract
Simple Summary Semicarbazide is considered the characteristic metabolite of nitrofurazone and it is often used as a marker to monitor the illegal use of nitrofurazone in foods. Recent studies have indicated that semicarbazide pollution can be introduced in many ways and this compound is a newly recognized pollutant type in the environment that accumulates in aquatic organisms throughout the food chain. Scallops are the third most consumed shellfish in China. We therefore studied the accumulation, chemical forms, and distribution of semicarbazide in scallop tissues. Semicarbazide added to tank seawater resulted in its accumulation in both free and tissue-bound forms and the levels varied according to tissue and were present in all tissues examined. The levels were highest in viscera and the lowest in muscle. The levels of semicarbazide in the environment and in cultured shellfish should be monitored to ensure food quality and safety and human health. Abstract Semicarbazide is a newly recognized marine pollutant and has the potential to threaten marine shellfish, the ecological equilibrium and human health. In this study, we examined the accumulation, distribution, and chemical forms of semicarbazide in scallop tissues after exposure to 10, 100, and 1000 μg/L for 30 d at 10 °C. We found a positive correlation between semicarbazide residues in the scallops and the exposure concentration (p < 0.01). Semicarbazide existed primarily in free form in all tissues while bound semicarbazide ranged from 12.1 to 32.7% and was tissue-dependent. The time for semicarbazide to reach steady-state enrichment was 25 days and the highest levels were found in the disgestive gland, followed by gills while levels in gonads and mantle were similar and were lowest in adductor muscle. The bioconcentration factor (BCF) of semicarbazide at low exposure concentrations was higher than that at high exposure concentrations. These results indicated that the scallop can uptake semicarbazide from seawater and this affects the quality and safety of these types of products when used as a food source.
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Affiliation(s)
- Lihong Xing
- Key Laboratory of Testing and Evaluation for Aquatic Product Safety and Quality, Ministry of Agriculture and Rural Affairs, Qingdao 266071, China; (L.X.); (X.S.); (J.P.); (P.Z.); (X.Z.)
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China
- Pilot National Laboratory for Marine Science and Technology, Qingdao 266237, China
- Collaborative Innovation Center of Seafood Deep Processing, Dalian Polytechnic University, Dalian 116034, China
| | - Weihong Sun
- Key Laboratory of Testing and Evaluation for Aquatic Product Safety and Quality, Ministry of Agriculture and Rural Affairs, Qingdao 266071, China; (L.X.); (X.S.); (J.P.); (P.Z.); (X.Z.)
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China
- Pilot National Laboratory for Marine Science and Technology, Qingdao 266237, China
- Collaborative Innovation Center of Seafood Deep Processing, Dalian Polytechnic University, Dalian 116034, China
- Correspondence: (W.S.); (Z.L.)
| | - Xiaojie Sun
- Key Laboratory of Testing and Evaluation for Aquatic Product Safety and Quality, Ministry of Agriculture and Rural Affairs, Qingdao 266071, China; (L.X.); (X.S.); (J.P.); (P.Z.); (X.Z.)
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China
- Pilot National Laboratory for Marine Science and Technology, Qingdao 266237, China
- Collaborative Innovation Center of Seafood Deep Processing, Dalian Polytechnic University, Dalian 116034, China
| | - Jixing Peng
- Key Laboratory of Testing and Evaluation for Aquatic Product Safety and Quality, Ministry of Agriculture and Rural Affairs, Qingdao 266071, China; (L.X.); (X.S.); (J.P.); (P.Z.); (X.Z.)
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China
- Pilot National Laboratory for Marine Science and Technology, Qingdao 266237, China
- Collaborative Innovation Center of Seafood Deep Processing, Dalian Polytechnic University, Dalian 116034, China
| | - Zhaoxin Li
- Key Laboratory of Testing and Evaluation for Aquatic Product Safety and Quality, Ministry of Agriculture and Rural Affairs, Qingdao 266071, China; (L.X.); (X.S.); (J.P.); (P.Z.); (X.Z.)
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China
- Pilot National Laboratory for Marine Science and Technology, Qingdao 266237, China
- Collaborative Innovation Center of Seafood Deep Processing, Dalian Polytechnic University, Dalian 116034, China
- Correspondence: (W.S.); (Z.L.)
| | - Panpan Zhu
- Key Laboratory of Testing and Evaluation for Aquatic Product Safety and Quality, Ministry of Agriculture and Rural Affairs, Qingdao 266071, China; (L.X.); (X.S.); (J.P.); (P.Z.); (X.Z.)
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China
- Pilot National Laboratory for Marine Science and Technology, Qingdao 266237, China
- Collaborative Innovation Center of Seafood Deep Processing, Dalian Polytechnic University, Dalian 116034, China
| | - Xuying Zheng
- Key Laboratory of Testing and Evaluation for Aquatic Product Safety and Quality, Ministry of Agriculture and Rural Affairs, Qingdao 266071, China; (L.X.); (X.S.); (J.P.); (P.Z.); (X.Z.)
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China
- Pilot National Laboratory for Marine Science and Technology, Qingdao 266237, China
- Collaborative Innovation Center of Seafood Deep Processing, Dalian Polytechnic University, Dalian 116034, China
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Preparation of 1,3,4-oxadiazoles and 1,3,4-thiadiazoles via chemoselective сyclocondensation of electrophilically activated nitroalkanes to (thio)semicarbazides or thiohydrazides. Chem Heterocycl Compd (N Y) 2020. [DOI: 10.1007/s10593-020-02775-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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9
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Liosi ME, Krimmer SG, Newton AS, Dawson TK, Puleo DE, Cutrona KJ, Suzuki Y, Schlessinger J, Jorgensen WL. Selective Janus Kinase 2 (JAK2) Pseudokinase Ligands with a Diaminotriazole Core. J Med Chem 2020; 63:5324-5340. [PMID: 32329617 DOI: 10.1021/acs.jmedchem.0c00192] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Janus kinases (JAKs) are non-receptor tyrosine kinases that are essential components of the JAK-STAT signaling pathway. Associated aberrant signaling is responsible for many forms of cancer and disorders of the immune system. The present focus is on the discovery of molecules that may regulate the activity of JAK2 by selective binding to the JAK2 pseudokinase domain, JH2. Specifically, the Val617Phe mutation in JH2 stimulates the activity of the adjacent kinase domain (JH1) resulting in myeloproliferative disorders. Starting from a non-selective screening hit, we have achieved the goal of discovering molecules that preferentially bind to the ATP binding site in JH2 instead of JH1. We report the design and synthesis of the compounds and binding results for the JH1, JH2, and JH2 V617F domains, as well as five crystal structures for JH2 complexes. Testing with a selective and non-selective JH2 binder on the autophosphorylation of wild-type and V617F JAK2 is also contrasted.
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Affiliation(s)
- Maria-Elena Liosi
- Department of Chemistry, Yale University, New Haven, Connecticut 06520-8107, United States
| | - Stefan G Krimmer
- Department of Chemistry, Yale University, New Haven, Connecticut 06520-8107, United States
| | - Ana S Newton
- Department of Chemistry, Yale University, New Haven, Connecticut 06520-8107, United States
| | - Thomas K Dawson
- Department of Chemistry, Yale University, New Haven, Connecticut 06520-8107, United States
| | - David E Puleo
- Department of Pharmacology, Yale University School of Medicine, New Haven, Connecticut 06520-8066, United States
| | - Kara J Cutrona
- Department of Chemistry, Yale University, New Haven, Connecticut 06520-8107, United States
| | - Yoshihisa Suzuki
- Department of Pharmacology, Yale University School of Medicine, New Haven, Connecticut 06520-8066, United States
| | - Joseph Schlessinger
- Department of Pharmacology, Yale University School of Medicine, New Haven, Connecticut 06520-8066, United States
| | - William L Jorgensen
- Department of Chemistry, Yale University, New Haven, Connecticut 06520-8107, United States
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10
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Huang H, Wang W, Xu X, Zhu C, Wang Y, Liu J, Li W, Fu W. Discovery of 3-((dimethylamino)methyl)-4-hydroxy-4-(3-methoxyphenyl)-N-phenylpiperidine-1-carboxamide as novel potent analgesic. Eur J Med Chem 2020; 189:112070. [PMID: 31982651 DOI: 10.1016/j.ejmech.2020.112070] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Revised: 01/12/2020] [Accepted: 01/13/2020] [Indexed: 12/20/2022]
Abstract
Management of moderate to severe pain by clinically used opioid analgesics is associated with a plethora of side effects. Despite many efforts have been dedicated to reduce undesirable side effects, moderate progress has been made. In this work, starting from Tramadol, a series of 3-((dimethylamino)methyl)-4-hydroxy-4-(3-methoxyphenyl)piperidine-1-carboxamide derivatives were designed and synthesized, and their in vitro and in vivo activities were evaluated. Our campaign afforded selective μ opioid receptor (MOR) ligand 2a (KiMOR: 7.3 ± 0.5 nM; KiDOR: 849.4 ± 96.6 nM; KiKOR: 49.1 ± 6.9 nM) as potent analgesic with ED50 of 3.1 mg/kg in 55 °C hot plate model. Its antinociception effect was blocked by opioid antagonist naloxone. High binding affinity toward MOR of compound 2a was associated with water bridge, salt bridge, hydrogen bond and hydrophobic interaction with MOR. The high selectivity of compound 2a for MOR over δ opioid receptor (DOR) and κ opioid receptor (KOR) was due to steric hindrance of compound 2a with DOR and KOR. 2a, a compound with novel scaffold, could serve as a lead for the development of novel opioid ligands.
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Affiliation(s)
- Huoming Huang
- Department of Medicinal Chemistry, School of Pharmacy, Fudan University, Shanghai, 201203, China
| | - Wenli Wang
- Department of Medicinal Chemistry, School of Pharmacy, Fudan University, Shanghai, 201203, China
| | - Xuejun Xu
- Shanghai Institute of Materia Medica, Chinese Academy of Science, Shanghai, 201203, China
| | - Chen Zhu
- Department of Medicinal Chemistry, School of Pharmacy, Fudan University, Shanghai, 201203, China
| | - Yujun Wang
- Shanghai Institute of Materia Medica, Chinese Academy of Science, Shanghai, 201203, China
| | - Jinggen Liu
- Shanghai Institute of Materia Medica, Chinese Academy of Science, Shanghai, 201203, China
| | - Wei Li
- Department of Medicinal Chemistry, School of Pharmacy, Fudan University, Shanghai, 201203, China
| | - Wei Fu
- Department of Medicinal Chemistry, School of Pharmacy, Fudan University, Shanghai, 201203, China.
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11
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Yue Z, Yu M, Zhang X, Wang J, Ru S. The anti-androgenic effect of chronic exposure to semicarbazide on male Japanese flounder (Paralichthys olivaceus) and its potential mechanisms. Comp Biochem Physiol C Toxicol Pharmacol 2018; 210:30-34. [PMID: 29729480 DOI: 10.1016/j.cbpc.2018.04.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Revised: 04/12/2018] [Accepted: 04/24/2018] [Indexed: 02/07/2023]
Abstract
Semicarbazide (SMC), a new marine pollutant, has anti-estrogenic effects on female Japanese flounder (Paralichthys olivaceus). However, whether SMC also affects the reproductive endocrine system of male marine organisms is currently unclear. In this study, Japanese flounder embryos were exposed to 1, 10, and 100 μg/L SMC for 130 days. Plasma testosterone (T) and 17β-estradiol (E2) concentrations were significantly decreased in male flounders after SMC exposure. The expression of genes involved in T and E2 synthesis, including steroidogenic acute regulatory protein, cytochrome P450 11A1, 17α-hydroxylase, 17β-hydroxysteroid dehydrogenase and cytochrome P450 19A, was down-regulated in the gonads, which may explain the decrease in plasma sex hormones levels. Moreover, SMC-mediated changes in the transcription of these steroidogenic genes were associated with reduced levels of follicle-stimulating hormone beta subunit (fshβ), luteinizing hormone beta subunit (lhβ), follicle-stimulating hormone receptor (fshr) and luteinizing hormone receptor (lhr) mRNA. In addition, down-regulated transcription of fshβ and lhβ in the SMC exposure groups was affected by reduced mRNA levels of seabream gonadotropin-releasing hormone (sbgnrh), g-protein-coupled receptor 54 (gpr54) in the kisspeptin/gpr54 system, as well as the gamma-aminobutyric acid (GABA) synthesis enzyme glutamic acid decarboxylase (gad). Overall, our results showed that environmentally relevant concentrations of SMC exerted anti-androgenic effects in male flounders via impacting HPG axis, kiss/gpr54 system and GABA synthesis, providing theoretical support for investigating reproductive toxicity of environmental pollutants that interfere with the neuroendocrine system.
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Affiliation(s)
- Zonghao Yue
- Marine Life Science College, Ocean University of China, Qingdao 266003, China
| | - Miao Yu
- Marine Life Science College, Ocean University of China, Qingdao 266003, China
| | - Xiaona Zhang
- Marine Life Science College, Ocean University of China, Qingdao 266003, China
| | - Jun Wang
- Marine Life Science College, Ocean University of China, Qingdao 266003, China
| | - Shaoguo Ru
- Marine Life Science College, Ocean University of China, Qingdao 266003, China.
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12
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Yue Z, Yu M, Zhao H, Wang J, Zhang X, Tian H, Wang W, Ru S. The anti-estrogenicity of chronic exposure to semicarbazide in female Japanese flounders (Paralichthys olivaceus), and its potential mechanisms. MARINE POLLUTION BULLETIN 2018; 129:806-812. [PMID: 29100632 DOI: 10.1016/j.marpolbul.2017.10.081] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2017] [Revised: 09/05/2017] [Accepted: 10/27/2017] [Indexed: 06/07/2023]
Abstract
This study investigated the anti-estrogenic effects of chronic exposure to a new marine pollutant, semicarbazide (SMC; 1, 10, and 100μg/L), in female Paralichthys olivaceus, as well as the associated mechanism. After 130days of exposure, plasma 17β-estradiol and testosterone concentrations, and hepatic estrogen receptors, vitellogenin, and choriogenin mRNA levels decreased significantly in SMC-exposed groups. Moreover, down-regulation of genes in the hypothalamic-pituitary-gonadal axis, including gonadotropin-releasing hormone, gonadotropic hormones and their receptors, the steroidogenic acute regulatory protein, 17α-hydroxylase, 17β-hydroxysteroid dehydrogenase, and cytochrome P450 19A, was observed after SMC exposure. Furthermore, the kisspeptin/g protein-coupled receptor 54 (kiss/gpr54) system and gamma-aminobutyric acid-ergic (GABAergic) system were also affected by SMC: SMC significantly down-regulated mRNA expression of kiss2, gpr54, and the GABA synthesis enzyme gad67. Our results demonstrated for the first time that environmentally relevant concentrations of SMC exerted anti-estrogenicity in female flounders, providing theoretical support for ecological risk assessments of SMC in marine environments.
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Affiliation(s)
- Zonghao Yue
- Marine Life Science College, Ocean University of China, Qingdao 266003, China
| | - Miao Yu
- Marine Life Science College, Ocean University of China, Qingdao 266003, China
| | - Haifeng Zhao
- Qingdao Institute for Food and Drug Control, Qingdao 266071, China
| | - Jun Wang
- Marine Life Science College, Ocean University of China, Qingdao 266003, China
| | - Xiaona Zhang
- Marine Life Science College, Ocean University of China, Qingdao 266003, China
| | - Hua Tian
- Marine Life Science College, Ocean University of China, Qingdao 266003, China
| | - Wei Wang
- Marine Life Science College, Ocean University of China, Qingdao 266003, China
| | - Shaoguo Ru
- Marine Life Science College, Ocean University of China, Qingdao 266003, China.
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13
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Tanwar DK, Ratan A, Gill MS. A facile synthesis of sulfonylureas via water assisted preparation of carbamates. Org Biomol Chem 2018; 15:4992-4999. [PMID: 28567464 DOI: 10.1039/c7ob00872d] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
A novel and simple approach to the synthesis of sulfonylureas has been reported. It involved the reaction of various amines with diphenyl carbonate to yield the corresponding carbamates, which subsequently reacted with different sulphonamides to produce different sulfonylureas in excellent yields. The first reaction of diphenyl carbonate with amines was carried out in aqueous : organic (H2O : THF, 90 : 10) medium at room temperature to produce carbamates that paved a straightforward route to sulfonylureas after reaction with sulfonamides. The above process avoided traditional multistep protocols and the use of hazardous, irritant, toxic and moisture sensitive reagents such as phosgene, isocyanates and/or chloroformates.
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Affiliation(s)
- Dinesh Kumar Tanwar
- Department of Pharmaceutical Technology (Process Chemistry), National Institute of Pharmaceutical Education and Research (NIPER), S.A.S. Nagar, Punjab-160062, India.
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14
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Miah MAJ, Sibi MP, Chattopadhyay S, Familoni OB, Snieckus V. Directed ortho
-Metalation of O
-Aryl N
,N
-Dialkylcarbamates: Methodology, Anionic ortho
-Fries Rearrangement, and Lateral Metalation. European J Org Chem 2017. [DOI: 10.1002/ejoc.201701142] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- M. A. Jalil Miah
- Department of Chemistry; Rajshahi University; 6205 Rajshahi Bangladesh
| | - Mukund P. Sibi
- Department of Chemistry; North Dakota State University; 5516 Fargo ND 58105- USA
| | - S. Chattopadhyay
- Department of Chemistry; Jadavpur University; 700032 Kolkata India
| | | | - Victor Snieckus
- Department of Chemistry; Queen's University; K7L 3N6 Kingston ON Canada
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15
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Tian X, Xu Y, Gong X, Han D, Wang Z, Zhou Q, Sun C, Ren C, Xue J, Xia C. Environmental status and early warning value of the pollutant Semicarbazide in Jincheng and Sishili Bays, Shandong Peninsula, China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 576:868-878. [PMID: 27835854 DOI: 10.1016/j.scitotenv.2016.10.085] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2016] [Revised: 10/12/2016] [Accepted: 10/12/2016] [Indexed: 06/06/2023]
Abstract
A verified method for measuring Semicarbazide (SEM) in seawater, sediments, and shellfish was developed based on ultra performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). A total of 30 stations were radially distributed in Jincheng and Sishili Bays in the Bohai and Yellow Seas, and 1025 monitoring data were collected in 41 voyages, 615 seawater samples, 320 sediment samples and 90 shellfish samples. The concentration ranged from 0.011μg/L to 0.093μg/L and 0 to 0.75μg/kg in seawater and shellfish respectively, but SEM in sediment was all below the limit of detection. Temporal and spatial distribution of SEM was investigated using multivariate analysis to estimate the degree of SEM pollution. Based on the SEM concentration in the three sample types, together with our previous findings, early warning values were deduced for SEM in seawater, and the developed method overcame shortcomings with existing technologies. The results may be helpful to draft national baseline values for SEM in seawater and sediments, and provide a scientific basis for assessing the impacts of SEM on marine ecology and human health.
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Affiliation(s)
- Xiuhui Tian
- Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, 17 Chunhui Road, Yantai City, Shandong Province, China; Shandong Marine Resource and Environment Research Institute, 216 Changjiang Road, Yantai City, Shandong Province, China; University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing City, China
| | - Yingjiang Xu
- Shandong Marine Resource and Environment Research Institute, 216 Changjiang Road, Yantai City, Shandong Province, China
| | - Xianghong Gong
- Shandong Marine Resource and Environment Research Institute, 216 Changjiang Road, Yantai City, Shandong Province, China
| | - Dianfeng Han
- Shandong Marine Resource and Environment Research Institute, 216 Changjiang Road, Yantai City, Shandong Province, China
| | - Zhongquan Wang
- Shandong Marine Resource and Environment Research Institute, 216 Changjiang Road, Yantai City, Shandong Province, China
| | - Quanli Zhou
- Shandong Marine Resource and Environment Research Institute, 216 Changjiang Road, Yantai City, Shandong Province, China
| | - Chunxiao Sun
- Shandong Marine Resource and Environment Research Institute, 216 Changjiang Road, Yantai City, Shandong Province, China
| | - Chuanbo Ren
- Shandong Marine Resource and Environment Research Institute, 216 Changjiang Road, Yantai City, Shandong Province, China
| | - Jinglin Xue
- Shandong Marine Resource and Environment Research Institute, 216 Changjiang Road, Yantai City, Shandong Province, China
| | - Chuanhai Xia
- Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, 17 Chunhui Road, Yantai City, Shandong Province, China; Ludong University, 186 Red Flag Middle Road, Yantai City, Shandong Province, China.
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16
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Tian X, Xu Y, Song X, Gong X, Liu Y, Zhou Q, Wang Z, Xia C. Temporal and spatial distribution of semicarbazide in western Laizhou Bay. MARINE POLLUTION BULLETIN 2016; 112:393-398. [PMID: 27542734 DOI: 10.1016/j.marpolbul.2016.07.052] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Revised: 07/13/2016] [Accepted: 07/29/2016] [Indexed: 06/06/2023]
Abstract
Semicarbazide (SEM), an industrial raw material and the marker residue of nitrofurazone as a veterinary drug, has become a new type of marine pollutant. A standard method (ultra-performance liquid chromatography-tandem mass spectrometry, UPLC-MS/MS) was used to analyze SEM in seawater, sediment, and shellfish. A series of sections and stations were set up in radical distribution in western Laizhou Bay, with six voyages and 150 monitoring samples. The concentrations of SEM in seawater and shellfish were 10-11 and 10-10kg/L, respectively, and no SEM was detected in the sediment. Distribution characteristics at each state, temporal and spatial trends, multivariate analyses, and the causes were analyzed to assess the pollution level, which aimed to offer a database for drafting the national baseline values of SEM in seawater and sediment in future. The data obtained could be used for integrated watershed management of marine environment and economic activities for constructing a blue economic zone of Shandong Peninsula in China.
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Affiliation(s)
- Xiuhui Tian
- Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; Shandong Marine Resource and Environment Research Institute, Yantai 264006, China; University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Yingjiang Xu
- Shandong Marine Resource and Environment Research Institute, Yantai 264006, China
| | - Xiukai Song
- Shandong Marine Resource and Environment Research Institute, Yantai 264006, China
| | - Xianghong Gong
- Shandong Marine Resource and Environment Research Institute, Yantai 264006, China
| | - Yihao Liu
- Shandong Marine Resource and Environment Research Institute, Yantai 264006, China
| | - Quanli Zhou
- Shandong Marine Resource and Environment Research Institute, Yantai 264006, China
| | - Zhongquan Wang
- Shandong Marine Resource and Environment Research Institute, Yantai 264006, China
| | - Chuanhai Xia
- Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China; Ludong University, Yantai 264025, China
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17
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Novel semicarbazides and ureas of primaquine with bulky aryl or hydroxyalkyl substituents: Synthesis, cytostatic and antioxidative activity. Eur J Med Chem 2014; 86:502-14. [DOI: 10.1016/j.ejmech.2014.09.013] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2014] [Revised: 09/01/2014] [Accepted: 09/04/2014] [Indexed: 01/10/2023]
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18
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Alternative synthetic routes to N-methyl-1,2,4-triazoline-3,5-dione (MeTAD) and other triazolinedione derivatives. Tetrahedron Lett 2014. [DOI: 10.1016/j.tetlet.2014.06.091] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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19
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Varun BV, Sood A, Prabhu KR. A metal-free and a solvent-free synthesis of thio-amides and amides: an efficient Friedel–Crafts arylation of isothiocyanates and isocyanates. RSC Adv 2014. [DOI: 10.1039/c4ra12944j] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A rapid, metal-free and solvent-free (very low loading of solvent in few cases) reaction conditions for synthesizing thioamides and amides using a Bronsted super acid such as triflic acid has been developed.
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Affiliation(s)
| | - Ankush Sood
- Department of Organic Chemistry
- Indian Institute of Science
- Bangalore 560 012, India
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