1
|
C. Thedy M, Pereira V, dos Santos CR, Belli LPA, Franco MS, J. Bortoluzzi A, Sandjo LP, Braga AL, F. de Assis F. Highly Enantioselective Lewis Acid Catalyzed Conjugate Addition of Imidazo[1,2- a]pyridines to α,β-Unsaturated 2-Acylimidazoles under Mild Conditions. J Org Chem 2024; 89:8500-8512. [PMID: 38842033 PMCID: PMC11197092 DOI: 10.1021/acs.joc.4c00445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2024] [Revised: 04/25/2024] [Accepted: 05/23/2024] [Indexed: 06/07/2024]
Abstract
A highly enantioselective protocol for the conjugate addition of 2-arylimidazo[1,2-a]pyridines and other imidazo derivatives to α,β-unsaturated 2-acylimidazoles is described. The method uses a previously reported chiral-at-metal rhodium catalyst and provides the corresponding adducts in yields of 25-98% with enantioselectivities up to er > 99:1. Additionally, the transformation proceeds under mild conditions using ethanol as the solvent at room temperature.
Collapse
Affiliation(s)
- Maria
Eduarda C. Thedy
- Department of Chemistry, Universidade
Federal de Santa Catarina, Florianópolis, Santa
Catarina 88040-900, Brazil
| | - Vanessa Pereira
- Department of Chemistry, Universidade
Federal de Santa Catarina, Florianópolis, Santa
Catarina 88040-900, Brazil
| | - Caio Rodrigo dos Santos
- Department of Chemistry, Universidade
Federal de Santa Catarina, Florianópolis, Santa
Catarina 88040-900, Brazil
| | - Luiz Paulo A. Belli
- Department of Chemistry, Universidade
Federal de Santa Catarina, Florianópolis, Santa
Catarina 88040-900, Brazil
| | | | - Adailton J. Bortoluzzi
- Department of Chemistry, Universidade
Federal de Santa Catarina, Florianópolis, Santa
Catarina 88040-900, Brazil
| | - Louis P. Sandjo
- Department of Chemistry, Universidade
Federal de Santa Catarina, Florianópolis, Santa
Catarina 88040-900, Brazil
| | - Antonio L. Braga
- Department of Chemistry, Universidade
Federal de Santa Catarina, Florianópolis, Santa
Catarina 88040-900, Brazil
| | - Francisco F. de Assis
- Department of Chemistry, Universidade
Federal de Santa Catarina, Florianópolis, Santa
Catarina 88040-900, Brazil
| |
Collapse
|
2
|
Yan X, Zhang C, Gao LX, Liu MM, Yang YT, Yu LJ, Zhou YB, Milaneh S, Zhu YL, Li J, Wang WL. Novel imidazo[1,2,4] triazole derivatives: Synthesis, fluorescence, bioactivity for SHP1. Eur J Med Chem 2024; 265:116027. [PMID: 38128236 DOI: 10.1016/j.ejmech.2023.116027] [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: 10/07/2023] [Revised: 11/23/2023] [Accepted: 12/01/2023] [Indexed: 12/23/2023]
Abstract
The Src homology 2 domain-containing protein tyrosine phosphatase 1 (SHP1) is a convergent node for oncogenic cell-signaling cascades. Consequently, SHP1 represents a potential target for drug development in cancer treatment. The development of efficient methods for rapidly tracing and modulating the SHP1 activity in complex biological systems is of considerable significance for advancing the integration of diagnosis and treatment of the related disease. Thus, we designed and synthesized a series of imidazo[1,2,4] triazole derivatives containing salicylic acid to explore novel scaffolds with inhibitory activities and good fluorescence properties for SHP1. The photophysical properties and inhibitory activities of these imidazo[1,2,4] triazole derivatives (5a-5y) against SHP1PTP were thoroughly studied from the theoretical simulation and experimental application aspects. The representative compound 5p exhibited remarkable fluorescence response (P: 0.002) with fluorescence quantum yield (QY) of 0.37 and inhibitory rate of 85.21 ± 5.17% against SHP1PTP at the concentration of 100 μM. Furthermore, compound 5p showed obvious aggregation caused quenching (ACQ) effect and had high selectivity for Fe3+ ions, good anti-interference and relatively low detection limit (5.55 μM). Finally, the cellular imaging test of compound 5p also exhibited good biocompatibility and certain potential biological imaging application. This study provides a potential way to develop molecules with fluorescent properties and bioactivities for SHP1.
Collapse
Affiliation(s)
- Xue Yan
- School of Life Sciences and Health Engineering, Jiangnan University, Jiangsu, 214122, China; School of Chemical and Material Engineering, Jiangnan University, Jiangsu, 214122, China
| | - Chun Zhang
- School of Life Sciences and Health Engineering, Jiangnan University, Jiangsu, 214122, China
| | - Li-Xin Gao
- School of Life Sciences and Health Engineering, Jiangnan University, Jiangsu, 214122, China; State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Min-Min Liu
- School of Life Sciences and Health Engineering, Jiangnan University, Jiangsu, 214122, China
| | - Yu-Ting Yang
- School of Life Sciences and Health Engineering, Jiangnan University, Jiangsu, 214122, China
| | - Li-Jie Yu
- School of Life Sciences and Health Engineering, Jiangnan University, Jiangsu, 214122, China
| | - Yu-Bo Zhou
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Slieman Milaneh
- School of Life Sciences and Health Engineering, Jiangnan University, Jiangsu, 214122, China; Higher Institute of Applied Science and Technology, Department of Pharmaceutical and Chemical Industries, Damascus, 31983, Syria
| | - Yun-Long Zhu
- Wuxi Maternal and Child Health Hospital, Wuxi School of Medicine, Jiangnan University, Jiangsu, 214002, China.
| | - Jia Li
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China.
| | - Wen-Long Wang
- School of Life Sciences and Health Engineering, Jiangnan University, Jiangsu, 214122, China; School of Chemical and Material Engineering, Jiangnan University, Jiangsu, 214122, China.
| |
Collapse
|
3
|
Gougoula E, Cummings CN, Medcraft C, Heitkämper J, Walker NR. Microwave spectra, molecular geometries, and internal rotation of CH 3 in N-methylimidazole⋯H 2O and 2-methylimidazole⋯H 2O Complexes. Phys Chem Chem Phys 2022; 24:12354-12362. [PMID: 35551286 PMCID: PMC9131724 DOI: 10.1039/d1cp05526g] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Broadband microwave spectra have been recorded between 7.0 and 18.5 GHz for N-methylimidazole⋯H2O and 2-methylimidazole⋯H2O complexes. Each complex was generated by co-expansion of low concentrations of methylimidazole and H2O in argon buffer gas. The rotational spectra of five isotopologues of each complex have been assigned and analysed to determine rotational constants (A0, B0, C0), centrifugal distortion constants (DJ, DJK) and parameters that describe the internal rotation of the CH3 group. The results allow the determination of parameters in the (r0) molecular geometry of each complex. H2O is the hydrogen bond donor and the pyridinic nitrogen of imidazole is the hydrogen bond acceptor in each case. The ∠(O–Hb⋯N3) angles are 177(5)° and 166.3(28)° for N-methylimidazole⋯H2O and 2-methylimidazole⋯H2O respectively. These results are consistent with the presence of a weak electrostatic interaction between the oxygen atom of H2O and the hydrogen atom (or CH3 group) attached to the C2 carbon atom of imidazole, and with the results of density functional theory calculations. The (V3) barrier to internal rotation of the CH3 group within N-methylimidazole⋯H2O is essentially unchanged from the value of this parameter for the N-methylimidazole monomer. The same parameter is significantly higher for the 2-methylimidazole⋯H2O complex than for the 2-methylimidazole monomer as a consequence of the weak electrostatic interaction between the O atom and the CH3 group of 2-methylimidazole. Broadband microwave spectra have been recorded between 7.0 and 18.5 GHz for N-methylimidazole⋯H2O and 2-methylimidazole⋯H2O complexes.![]()
Collapse
Affiliation(s)
- Eva Gougoula
- Deutsches Elektronen-Synchrotron DESY, Notkestr. 85, 22607 Hamburg, Germany
| | - Charlotte N Cummings
- Chemistry-School of Natural and Environmental Sciences, Newcastle University, Bedson Building, Newcastle-upon-Tyne, NE1 7RU, UK.
| | - Chris Medcraft
- School of Chemistry, UNSW Sydney, Sydney, New South Wales 2052, Australia
| | - Juliane Heitkämper
- Institute of Theoretical Chemistry, University of Stuttgart, Pfaffenwaldring 55, D-70569, Stuttgart, Germany
| | - Nicholas R Walker
- Chemistry-School of Natural and Environmental Sciences, Newcastle University, Bedson Building, Newcastle-upon-Tyne, NE1 7RU, UK.
| |
Collapse
|
4
|
Ghanbariasad A, Emami L, Zarenezhad E, Behrouz S, Zarenezhad A, Soltani Rad MN. Synthesis, Biological Evaluation and In silico Studies of 1, 2, 3-triazolyl- Metronidazole Derivatives Against Leishmania Major. NEW J CHEM 2022. [DOI: 10.1039/d2nj00226d] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The simple and effective approach for the preparation, of 1,2,3-triazolyl-based metronidazole hybrid analogues as promising anti-leishmania agents using of [CuL-SiO-HA] as a catalyst were described. The catalyst was fully characterized...
Collapse
|
5
|
Rossi R, Ciofalo M. An Updated Review on the Synthesis and Antibacterial Activity of Molecular Hybrids and Conjugates Bearing Imidazole Moiety. Molecules 2020; 25:molecules25215133. [PMID: 33158247 PMCID: PMC7663458 DOI: 10.3390/molecules25215133] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 10/25/2020] [Accepted: 10/26/2020] [Indexed: 01/28/2023] Open
Abstract
The rapid growth of serious infections caused by antibiotic resistant bacteria, especially the nosocomial ESKAPE pathogens, has been acknowledged by Governments and scientists and is one of the world's major health problems. Various strategies have been and are currently investigated and developed to reduce and/or delay the bacterial resistance. One of these strategies regards the design and development of antimicrobial hybrids and conjugates. This unprecedented critical review, in which our continuing interest in the synthesis and evaluation of the bioactivity of imidazole derivatives is testified, aims to summarise and comment on the results obtained from the end of the 1900s until February 2020 in studies conducted by numerous international research groups on the synthesis and evaluation of the antibacterial properties of imidazole-based molecular hybrids and conjugates in which the pharmacophoric constituents of these compounds are directly covalently linked or connected through a linker or spacer. In this review, significant attention was paid to summarise the strategies used to overcome the antibiotic resistance of pathogens whose infections are difficult to treat with conventional antibiotics. However, it does not include literature data on the synthesis and evaluation of the bioactivity of hybrids and conjugates in which an imidazole moiety is fused with a carbo- or heterocyclic subunit.
Collapse
Affiliation(s)
- Renzo Rossi
- Dipartimento di Chimica e Chimica Industriale, University of Pisa, Via G. Moruzzi, 3, I-56124 Pisa, Italy
- Correspondence: (R.R.); (M.C.)
| | - Maurizio Ciofalo
- Dipartimento di Scienze Agrarie, Alimentari e Forestali, University of Palermo, Viale delle Scienze, Edificio 4, I-90128 Palermo, Italy
- Correspondence: (R.R.); (M.C.)
| |
Collapse
|
6
|
Metronidazole-conjugates: A comprehensive review of recent developments towards synthesis and medicinal perspective. Eur J Med Chem 2020; 210:112994. [PMID: 33234343 DOI: 10.1016/j.ejmech.2020.112994] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 10/22/2020] [Accepted: 11/02/2020] [Indexed: 12/13/2022]
Abstract
Nitroimidazoles based compounds remain a hot topic of research in medicinal chemistry due to their numerous biological activities. Moreover, many clinical candidates based on this chemical core have been reported to be valuable in the treatment of human diseases. Metronidazole (MTZ) derived conjugates demonstrated a potential application in medicinal chemistry research over the last decade. In this review, we summarize the synthesis, key structure-activity-relationship (SAR) and associated biological activities such as antimicrobial, anticancer, antidiabetic, anti-inflammatory, anti-HIV and anti-parasitic (Anti-trichomonas, antileishmanial, antiamoebic and anti-giardial) of explored MTZ-conjugates. The molecular docking analysis is also presented simultaneously, which will assist in developing an understanding towards designing of new MTZ-conjugates for target-based drug discovery against multiple disease areas.
Collapse
|
7
|
Zarei S, Komeili G, Bahadorikhalili S, Yahya‐Meymandi A, Karami‐Zarandi M, Larijani B, Biglar M, Sadat Ebrahimi SE, Mahdavi M. Design, synthesis and antibacterial activity evaluation of novel 2‐(4‐((
1‐aryl‐1
H
‐1,2,3‐triazol‐4‐yl)methoxy)phenyl)2‐(2‐oxoazetidin‐1‐yl)acetamide derivatives. J Heterocycl Chem 2020. [DOI: 10.1002/jhet.4131] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Samaneh Zarei
- Metabolic Diseases Research Center Zanjan University of Medical Sciences Zanjan Iran
| | - Golzar Komeili
- Department of Medicinal Chemistry, Faculty of Pharmacy Tehran University of Medical Sciences Tehran Iran
| | | | | | | | - Bagher Larijani
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute Tehran University of Medical Sciences Tehran Iran
| | - Mahmood Biglar
- Department of Medicinal Chemistry, Faculty of Pharmacy Tehran University of Medical Sciences Tehran Iran
| | | | - Mohammad Mahdavi
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute Tehran University of Medical Sciences Tehran Iran
| |
Collapse
|
8
|
Batool F, Khan MA, Shaikh NN, Iqbal S, Akbar S, Fazal‐ur‐rehman S, Choudhary MI, Basha FZ. New Benzamide Analogues of Metronidazole‐tethered Triazoles as Non‐sugar Based Inhibitors of
β
‐Glucuronidase. ChemistrySelect 2019. [DOI: 10.1002/slct.201901870] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Farhana Batool
- H.E.J. Research Institute of ChemistryInternational Center for Chemical and Biological SciencesUniversity of Karachi Karachi-75270 Pakistan Tel. : 0092–21-9261767 Fax: 0092–21-4819018
| | - Maria A. Khan
- H.E.J. Research Institute of ChemistryInternational Center for Chemical and Biological SciencesUniversity of Karachi Karachi-75270 Pakistan Tel. : 0092–21-9261767 Fax: 0092–21-4819018
| | - Nimra N. Shaikh
- H.E.J. Research Institute of ChemistryInternational Center for Chemical and Biological SciencesUniversity of Karachi Karachi-75270 Pakistan Tel. : 0092–21-9261767 Fax: 0092–21-4819018
| | - Shazia Iqbal
- H.E.J. Research Institute of ChemistryInternational Center for Chemical and Biological SciencesUniversity of Karachi Karachi-75270 Pakistan Tel. : 0092–21-9261767 Fax: 0092–21-4819018
| | - Shahida Akbar
- H.E.J. Research Institute of ChemistryInternational Center for Chemical and Biological SciencesUniversity of Karachi Karachi-75270 Pakistan Tel. : 0092–21-9261767 Fax: 0092–21-4819018
| | | | - Muhammad Iqbal Choudhary
- H.E.J. Research Institute of ChemistryInternational Center for Chemical and Biological SciencesUniversity of Karachi Karachi-75270 Pakistan Tel. : 0092–21-9261767 Fax: 0092–21-4819018
| | - Fatima Z. Basha
- H.E.J. Research Institute of ChemistryInternational Center for Chemical and Biological SciencesUniversity of Karachi Karachi-75270 Pakistan Tel. : 0092–21-9261767 Fax: 0092–21-4819018
| |
Collapse
|
9
|
Ghasemi Z, Mirzaie A, Arabzadeh R, Fathi Z, Abolghassemi Fakhree A. Synthesis and optical properties of novel 1,2,3-triazole derivatives possessing highly substituted imidazoles. JOURNAL OF CHEMICAL RESEARCH 2019. [DOI: 10.1177/1747519819861004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Reactions of 1,4,5-triaryl-2-(4-bromomethyl)phenyl-imidazoles with sodium azide in acetone give the corresponding azidomethyl derivatives, which on 1,3-dipolar cycloaddition with various terminal alkynes in the presence of CuI afford novel 1,2,3-triazole products. On the other hand, treatment of 2,4,5-triaryl-1-(4-hydroxyphenyl)-imidazoles with propargyl chloride in the presence of a base gives the corresponding propargyl ether derivatives, which under CuI-catalyzed 1,3-dipolar cycloaddition with benzyl azide produce 1,2,3-triazole derivatives. All the products are characterized from their spectroscopic data and most are evaluated for fluorescence emission. The optical parameters of the studied products are also reported.
Collapse
Affiliation(s)
- Zarrin Ghasemi
- Department of Organic Chemistry and Biochemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
| | - Arezoo Mirzaie
- Department of Organic Chemistry and Biochemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
| | - Roqhayeh Arabzadeh
- Department of Organic Chemistry and Biochemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
| | - Zahra Fathi
- Department of Organic Chemistry and Biochemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
| | | |
Collapse
|
10
|
Zaki M, Oukhrib A, El Hakmaoui A, Hiebel MA, Berteina-Raboin S, Akssira M. Synthesis of novel 1,2,3-triazole-substituted tomentosins. ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES 2019. [DOI: 10.1515/znb-2018-0225] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Abstract
A series of 1,2,3-triazole-containing tomentosin scaffolds was obtained from tomentosin 1. The synthesis involved a Michael addition of trimethylsilylazide on the α-methylene-γ-lactone function of the natural sesquiterpene lactone 1 to give the diastereoisomers 2 and 3, which were readily separated by column chromatography. These compounds underwent copper-catalyzed Huisgen 1,3-dipolar cycloaddition with various terminal alkynes to provide compounds 4a–h and 5a–h in good yields.
Collapse
Affiliation(s)
- Mohamed Zaki
- Laboratoire de Chimie Physique et Chimie Bioorganique, URA C 22, Pole RePAM , F. S. T. Université Hassan II-de Casablanca , B. P. 146 Yasmina, 28800 Mohammedia , Morocco , e-mail:
| | - Abdelouahd Oukhrib
- Laboratoire de Chimie Biomoléculaire, Substances Naturelles et Réactivité (URAC 16), Faculté des Sciences Semlalia , Université Cadi Ayyad , B. P. 2390, Marrakech , Morroco
| | - Ahmed El Hakmaoui
- Laboratoire de Chimie Physique et Chimie Bioorganique, URA C 22, Pole RePAM , F. S. T. Université Hassan II-de Casablanca , B. P. 146 Yasmina, 28800 Mohammedia , Morocco
| | - Marie-Aude Hiebel
- Institut de Chimie Organique et Analytique , Université d’Orléans, UMR CNRS 7311 , B. P. 6759, 45067 Orleans Cedex 2 , France
| | - Sabine Berteina-Raboin
- Institut de Chimie Organique et Analytique , Université d’Orléans, UMR CNRS 7311 , B. P. 6759, 45067 Orleans Cedex 2 , France
| | - Mohamed Akssira
- Laboratoire de Chimie Physique et Chimie Bioorganique, URA C 22, Pole RePAM , F. S. T. Université Hassan II-de Casablanca , B. P. 146 Yasmina, 28800 Mohammedia , Morocco
| |
Collapse
|
11
|
Mahmoud AG, Guedes da Silva MFC, Mahmudov KT, Pombeiro AJL. Arylhydrazone ligands as Cu-protectors and -catalysis promoters in the azide-alkyne cycloaddition reaction. Dalton Trans 2019; 48:1774-1785. [PMID: 30640328 DOI: 10.1039/c8dt04771e] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A series of water soluble copper(ii) complexes, [Cu(κO1O2N-H2L1)(H2O)2]·2H2O (2), [Cu(κO-H3L1)2(H2O)4] (3), [Cu(κO-H4L2)2(H2O)4] (5) and [Cu(H2O)6]·2H2L3·2(CH3)2NCHO (7), were prepared by the reaction of Cu(NO3)2·3H2O with sodium (Z)-2-(2-(1-amino-1,3-dioxobutan-2-ylidene)hydrazineyl)benzenesulfonate, [Na(μ4-1:2κO1,2κO2,3κO3,4κO4-H3L1)]n (1; for 2 and 3), sodium (Z)-3-(2-(1-amino-1,3-dioxobutan-2-ylidene)hydrazineyl)-4-hydroxybenzene-sulfonate, [Na(μ-1κO1,2κO2-H4L2)]2 (4; for 5) or sodium (Z)-2-(2-(1,3-dioxo-1-(phenylamino)butan-2-ylidene)hydrazineyl)naphthalene-1-sulfonate, [Na(μ-1κO1O2,2κO3-H2L3)(CH3OH)2]2 (6; for 7). Compounds 1-7 were fully characterized, also by single-crystal X-ray diffraction analysis, and applied as homogeneous catalysts for the azide-alkyne cycloaddition (AAC) reaction to afford 1,4-disubstituted 1,2,3-triazoles. A structure-catalytic activity relationship has been recognized for the first time on the basis of the occurrence of resonance- and charge-assisted hydrogen bond interactions (RAHB and CAHB), in charge and ligand binding modes, enabling the catalytic activity of the compounds to be ordered as follows: Cu(NO3)2≪7 (complex salt with RAHB and CAHB) < 3 (with RAHB and CAHB) < 5 (with RAHB) < 2 (neither RAHB nor CAHB). Complex 2, without such non-covalent interactions, was found to be the most efficient catalyst for the AAC reaction, affording up to 98% product yield after being placed for 15 min, at 125 °C, in a water/acetonitrile mixture under low power (10 W) MW irradiation.
Collapse
Affiliation(s)
- Abdallah G Mahmoud
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal. and Department of Chemistry, Faculty of Science, Helwan University, Ain Helwan, 11795 Cairo, Egypt
| | - M Fátima C Guedes da Silva
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal.
| | - Kamran T Mahmudov
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal. and Department of Chemistry, Baku State University, Z. Xalilov Str. 23, Az 1148 Baku, Azerbaijan.
| | - Armando J L Pombeiro
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisboa, Portugal.
| |
Collapse
|
12
|
Wu X, Qiao K, Qin H, Zhang D, Gao D, Yang Z, Fang Z, Guo K. Silver(i)-mediated oxidative C(sp3)–H amination of ethers with azole derivatives under mild conditions. Org Chem Front 2019. [DOI: 10.1039/c9qo00644c] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A silver(i)-mediated oxidative N–H/C(sp3)–H coupling of NH-azoles with ethers has been developed.
Collapse
Affiliation(s)
- Xiaoyu Wu
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing 211816
- P. R. China
| | - Kai Qiao
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing 211816
- P. R. China
| | - Hong Qin
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing 211816
- P. R. China
| | - Dong Zhang
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing 211816
- P. R. China
| | - Di Gao
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing 211816
- P. R. China
| | - Zhao Yang
- School of Engineering
- China Pharmaceutical University
- Nanjing 211198
- China
| | - Zheng Fang
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing 211816
- P. R. China
- State Key Laboratory of Materials-Oriented Chemical Engineering
| | - Kai Guo
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing Tech University
- Nanjing 211816
- P. R. China
- State Key Laboratory of Materials-Oriented Chemical Engineering
| |
Collapse
|
13
|
Bacsa I, Konc C, Orosz AB, Kecskeméti G, Rigó R, Özvegy-Laczka C, Mernyák E. Synthesis of Novel C-2- or C-15-Labeled BODIPY-Estrone Conjugates. Molecules 2018; 23:E821. [PMID: 29614041 PMCID: PMC6017578 DOI: 10.3390/molecules23040821] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Revised: 03/29/2018] [Accepted: 04/02/2018] [Indexed: 11/16/2022] Open
Abstract
Novel BODIPY-estrone conjugates were synthesized via Cu(I)-catalyzed azide-alkyne cycloaddition (CuAAC). Estrone-alkynes or an estrone-azide as starting compounds were synthesized via Michael addition or Sonogashira reaction as key steps. Fluorescent dyes based on BODIPY-core were provided by azide or alkyne functional groups. Fluorescent labeling of estrone was efficiently achieved at the C-2 or C-15 position. The newly-elaborated coupling procedures might have a broad applicability in the synthesis of fluorescent-labeled estrone conjugates suitable for biological assays.
Collapse
Affiliation(s)
- Ildikó Bacsa
- Department of Organic Chemistry, University of Szeged, Dóm tér 8, H-6720 Szeged, Hungary.
| | - Csilla Konc
- Department of Organic Chemistry, University of Szeged, Dóm tér 8, H-6720 Szeged, Hungary.
| | - Anna Boglárka Orosz
- Department of Organic Chemistry, University of Szeged, Dóm tér 8, H-6720 Szeged, Hungary.
| | - Gábor Kecskeméti
- Department of Medicinal Chemistry, University of Szeged, Dóm tér 8, H-6720 Szeged, Hungary.
| | - Réka Rigó
- Membrane protein research group, Institute of Enzymology, Research Centre for Natural Sciences, Hungarian Academy of Sciences, Magyar tudósok körútja 2, H-1117 Budapest, Hungary.
| | - Csilla Özvegy-Laczka
- Membrane protein research group, Institute of Enzymology, Research Centre for Natural Sciences, Hungarian Academy of Sciences, Magyar tudósok körútja 2, H-1117 Budapest, Hungary.
| | - Erzsébet Mernyák
- Department of Organic Chemistry, University of Szeged, Dóm tér 8, H-6720 Szeged, Hungary.
| |
Collapse
|
14
|
Synthesis, antiamoebic activity and docking studies of metronidazole-triazole-styryl hybrids. Eur J Med Chem 2018; 150:633-641. [DOI: 10.1016/j.ejmech.2018.03.033] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2017] [Revised: 10/14/2017] [Accepted: 03/12/2018] [Indexed: 12/12/2022]
|
15
|
Biology-oriented drug synthesis (BIODS): In vitro β-glucuronidase inhibitory and in silico studies on 2-(2-methyl-5-nitro-1H-imidazol-1-yl)ethyl aryl carboxylate derivatives. Eur J Med Chem 2017; 125:1289-1299. [DOI: 10.1016/j.ejmech.2016.11.031] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2016] [Revised: 10/25/2016] [Accepted: 11/13/2016] [Indexed: 11/18/2022]
|
16
|
Synthesis of some novel 1,2,3-triazole derivatives containing kojic acid moiety and evaluation for their antioxidant activity. MONATSHEFTE FUR CHEMIE 2016. [DOI: 10.1007/s00706-016-1844-1] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
|
17
|
Nelson R, Kesternich V, Pérez-Fehrmann M, Jaldin S, Marcourt L, Christen P. Regiospecific Synthesis of 1,4,5-Trisubstituted 1,2,3-Triazoles via Enolate–Azide Cycloaddition between 1,3-Dicarbonyl Compounds and Aryl Azides. JOURNAL OF CHEMICAL RESEARCH 2016. [DOI: 10.3184/174751916x14656662266973] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
A cycloaddition reaction at room temperature between aryl azides and 1,3-dicarbonyl compounds in the presence of potassium carbonate in dimethylsulphoxide yielded 10 4-ethoxycarbonyl-1-aryl-5-methyl-1 H-1,2,3-triazoles and seven other closely-related compounds. The 1,2,3-triazoles, nine of which are new, were obtained in good to high yields and only the 1,4-regioisomers were formed.
Collapse
Affiliation(s)
- Ronald Nelson
- Departamento de Química, Facultad de Ciencias, Universidad Católica del Norte, Antofagasta, Chile
| | - Víctor Kesternich
- Departamento de Química, Facultad de Ciencias, Universidad Católica del Norte, Antofagasta, Chile
| | - Marcia Pérez-Fehrmann
- Departamento de Química, Facultad de Ciencias, Universidad Católica del Norte, Antofagasta, Chile
| | - Sally Jaldin
- Departamento de Química, Facultad de Ciencias, Universidad Católica del Norte, Antofagasta, Chile
| | - Laurence Marcourt
- School of Pharmaceutical Sciences, University of Geneva, University of Lausanne, Quai Ernest-Ansermet 30, CH-1211 Geneva 4, Switzerland
| | - Philippe Christen
- School of Pharmaceutical Sciences, University of Geneva, University of Lausanne, Quai Ernest-Ansermet 30, CH-1211 Geneva 4, Switzerland
| |
Collapse
|
18
|
Li X, Chen X, Jiang Y, Chen S, Qu L, Qu Z, Yuan J, Shi H. Highly Efficient Ultrasonic-Assisted CuCl-Catalyzed 1,3-Dipolar Cycloaddition Reactions in Water: Synthesis of Coumarin Derivatives Linked with 1,2,3-Triazole Moiety. J Heterocycl Chem 2016. [DOI: 10.1002/jhet.2175] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Xu Li
- College of Chemistry and Molecular Engineering; Zhengzhou University, Key Laboratory of Organic Chemistry and Chemical Biology; Henan Province Zhengzhou 450052 People's Republic of China
| | - Xiaolan Chen
- College of Chemistry and Molecular Engineering; Zhengzhou University, Key Laboratory of Organic Chemistry and Chemical Biology; Henan Province Zhengzhou 450052 People's Republic of China
| | - Yuqin Jiang
- College of Chemistry and Environmental Science; Henan Normal University; Xinxiang 453007 People's Republic of China
| | - Senshen Chen
- College of Chemistry and Molecular Engineering; Zhengzhou University, Key Laboratory of Organic Chemistry and Chemical Biology; Henan Province Zhengzhou 450052 People's Republic of China
| | - Lingbo Qu
- College of Chemistry and Molecular Engineering; Zhengzhou University, Key Laboratory of Organic Chemistry and Chemical Biology; Henan Province Zhengzhou 450052 People's Republic of China
- Chemistry and Chemical Engineering School; Henan University of Technology; Henan Province Zhengzhou 450001 People's Republic of China
| | - Zhibo Qu
- College of Chemistry and Molecular Engineering; Zhengzhou University, Key Laboratory of Organic Chemistry and Chemical Biology; Henan Province Zhengzhou 450052 People's Republic of China
| | - Jinwei Yuan
- Chemistry and Chemical Engineering School; Henan University of Technology; Henan Province Zhengzhou 450001 People's Republic of China
| | - Hanyu Shi
- College of Chemistry and Molecular Engineering; Zhengzhou University, Key Laboratory of Organic Chemistry and Chemical Biology; Henan Province Zhengzhou 450052 People's Republic of China
| |
Collapse
|
19
|
Chen LW, Wang PF, Tang DJ, Tao XX, Man RJ, Qiu HY, Wang ZC, Xu C, Zhu HL. Metronidazole containing pyrazole derivatives potently inhibit tyrosyl-tRNA synthetase: design, synthesis, and biological evaluation. Chem Biol Drug Des 2016; 88:592-8. [DOI: 10.1111/cbdd.12793] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Revised: 02/24/2016] [Accepted: 05/14/2016] [Indexed: 12/16/2022]
Affiliation(s)
- Long-Wang Chen
- State Key Laboratory of Pharmaceutical Biotechnology; Nanjing University; Nanjing China
| | - Peng-Fei Wang
- State Key Laboratory of Pharmaceutical Biotechnology; Nanjing University; Nanjing China
| | - Dan-Jie Tang
- State Key Laboratory of Pharmaceutical Biotechnology; Nanjing University; Nanjing China
| | - Xiang-Xiang Tao
- State Key Laboratory of Pharmaceutical Biotechnology; Nanjing University; Nanjing China
| | - Ruo-Jun Man
- State Key Laboratory of Pharmaceutical Biotechnology; Nanjing University; Nanjing China
| | - Han-Yue Qiu
- State Key Laboratory of Pharmaceutical Biotechnology; Nanjing University; Nanjing China
| | - Zhong-Chang Wang
- State Key Laboratory of Pharmaceutical Biotechnology; Nanjing University; Nanjing China
| | - Chen Xu
- State Key Laboratory of Pharmaceutical Biotechnology; Nanjing University; Nanjing China
| | - Hai-Liang Zhu
- State Key Laboratory of Pharmaceutical Biotechnology; Nanjing University; Nanjing China
| |
Collapse
|
20
|
Adam AMA. Synthesis, characterization, and cytotoxic in vitro studies of the antibiotic drug metronidazole complexed with Au(III), Fe(III), Pd(III), and Zn(II): Toward potent gold-drug nanoparticles in cancer chemotherapy. RUSS J GEN CHEM+ 2016. [DOI: 10.1134/s1070363216050261] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
|
21
|
Negi B, Kumar D, Kumbukgolla W, Jayaweera S, Ponnan P, Singh R, Agarwal S, Rawat DS. Anti-methicillin resistant Staphylococcus aureus activity, synergism with oxacillin and molecular docking studies of metronidazole-triazole hybrids. Eur J Med Chem 2016; 115:426-37. [DOI: 10.1016/j.ejmech.2016.03.041] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2015] [Revised: 02/12/2016] [Accepted: 03/16/2016] [Indexed: 01/09/2023]
|
22
|
Synthesis and anticancer evaluation of novel 9α-substituted-13-(1,2,3-triazolo)-parthenolides. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.04.115] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
|
23
|
Jarrad AM, Karoli T, Debnath A, Tay CY, Huang JX, Kaeslin G, Elliott AG, Miyamoto Y, Ramu S, Kavanagh AM, Zuegg J, Eckmann L, Blaskovich MAT, Cooper MA. Metronidazole-triazole conjugates: activity against Clostridium difficile and parasites. Eur J Med Chem 2015; 101:96-102. [PMID: 26117821 PMCID: PMC4550478 DOI: 10.1016/j.ejmech.2015.06.019] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2015] [Revised: 06/04/2015] [Accepted: 06/07/2015] [Indexed: 01/17/2023]
Abstract
Metronidazole has been used clinically for over 50 years as an antiparasitic and broad-spectrum antibacterial agent effective against anaerobic bacteria. However resistance to metronidazole in parasites and bacteria has been reported, and improved second-generation metronidazole analogues are needed. The copper catalysed Huigsen azide-alkyne 1,3-dipolar cycloaddition offers a way to efficiently assemble new libraries of metronidazole analogues. Several new metronidazole-triazole conjugates (Mtz-triazoles) have been identified with excellent broad spectrum antimicrobial and antiparasitic activity targeting Clostridium difficile, Entamoeba histolytica and Giardia lamblia. Cross resistance to metronidazole was observed against stable metronidazole resistant C. difficile and G. lamblia strains. However for the most potent Mtz-triazoles, the activity remained in a therapeutically relevant window.
Collapse
Affiliation(s)
- Angie M Jarrad
- Division of Chemistry and Structural Biology, Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland, 4072, Australia
| | - Tomislav Karoli
- Division of Chemistry and Structural Biology, Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland, 4072, Australia
| | - Anjan Debnath
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, San Diego, La Jolla, CA, 92093, USA
| | - Chin Yen Tay
- Marshall Centre for Infectious Diseases Research and Training, University of Western Australia, Perth, Western Australia, 6099, Australia
| | - Johnny X Huang
- Division of Chemistry and Structural Biology, Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland, 4072, Australia
| | - Geraldine Kaeslin
- Division of Chemistry and Structural Biology, Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland, 4072, Australia
| | - Alysha G Elliott
- Division of Chemistry and Structural Biology, Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland, 4072, Australia
| | - Yukiko Miyamoto
- Department of Medicine, University of California, San Diego, La Jolla, CA, 92093, USA
| | - Soumya Ramu
- Division of Chemistry and Structural Biology, Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland, 4072, Australia
| | - Angela M Kavanagh
- Division of Chemistry and Structural Biology, Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland, 4072, Australia
| | - Johannes Zuegg
- Division of Chemistry and Structural Biology, Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland, 4072, Australia
| | - Lars Eckmann
- Department of Medicine, University of California, San Diego, La Jolla, CA, 92093, USA
| | - Mark A T Blaskovich
- Division of Chemistry and Structural Biology, Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland, 4072, Australia
| | - Matthew A Cooper
- Division of Chemistry and Structural Biology, Institute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland, 4072, Australia.
| |
Collapse
|
24
|
One-pot sequential azide–alkyne/intramolecular azomethine ylide 1,3-dipolar cycloaddition strategy for the synthesis of carbohydrate grafted macrocycles. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.03.108] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
|
25
|
Refat MS, Saad HA, Adam AMA. Spectral, thermal and kinetic studies of charge-transfer complexes formed between the highly effective antibiotic drug metronidazole and two types of acceptors: σ- and π-acceptors. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2015; 141:202-210. [PMID: 25677533 DOI: 10.1016/j.saa.2015.01.029] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2014] [Revised: 01/08/2015] [Accepted: 01/15/2015] [Indexed: 06/04/2023]
Abstract
Understanding the interaction between drugs and small inorganic or organic molecules is critical in being able to interpret the drug-receptor interactions and acting mechanism of these drugs. A combined solution and solid state study was performed to describe the complexation chemistry of drug metronidazole (MZ) which has a broad-spectrum antibacterial activity with two types of acceptors. The acceptors include, σ-acceptor (i.e., iodine) and π-acceptors (i.e., dichlorodicyanobenzoquinone (DDQ), chloranil (CHL) and picric acid (PA)). The molecular structure, spectroscopic characteristics, the binding modes as well as the thermal stability were deduced from IR, UV-vis, (1)H NMR and thermal studies. The binding ratio of complexation (MZ: acceptor) was determined to be 1:2 for the iodine acceptor and 1:1 for the DDQ, CHL or PA acceptor, according to the CHN elemental analyses and spectrophotometric titrations. It has been found that the complexation with CHL and PA acceptors increases the values of enthalpy and entropy, while the complexation with DDQ and iodine acceptors decreases the values of these parameters compared with the free MZ donor.
Collapse
Affiliation(s)
- Moamen S Refat
- Department of Chemistry, Faculty of Science, Taif University, Al-Haweiah, P.O. Box 888, Zip Code 21974 Taif, Saudi Arabia; Department of Chemistry, Faculty of Science, Port Said University, Port Said, Egypt.
| | - Hosam A Saad
- Department of Chemistry, Faculty of Science, Taif University, Al-Haweiah, P.O. Box 888, Zip Code 21974 Taif, Saudi Arabia; Department of Chemistry, Faculty of Science, Zagazig University, Zagazig, Egypt
| | - Abdel Majid A Adam
- Department of Chemistry, Faculty of Science, Taif University, Al-Haweiah, P.O. Box 888, Zip Code 21974 Taif, Saudi Arabia
| |
Collapse
|
26
|
Aruri H, Singh U, Sharma S, Gudup S, Bhogal M, Kumar S, Singh D, Gupta VK, Kant R, Vishwakarma RA, Singh PP. Cross-Dehydrogenative Coupling of Azoles with α-C(sp3)–H of Ethers and Thioethers under Metal-Free Conditions: Functionalization of H–N Azoles via C–H Activation. J Org Chem 2015; 80:1929-36. [DOI: 10.1021/jo502477r] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Hariprasad Aruri
- Medicinal
Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu-18001, India
- Academy of Scientific and Innovative Research, Canal Road, Jammu-18001, India
| | - Umed Singh
- Medicinal
Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu-18001, India
- Academy of Scientific and Innovative Research, Canal Road, Jammu-18001, India
| | - Sumit Sharma
- Medicinal
Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu-18001, India
- Academy of Scientific and Innovative Research, Canal Road, Jammu-18001, India
| | - Satish Gudup
- Medicinal
Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu-18001, India
| | - Mukesh Bhogal
- Medicinal
Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu-18001, India
| | - Sanjay Kumar
- Medicinal
Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu-18001, India
| | - Deepika Singh
- Quality
Control and Quality Assurance, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu-18001, India
| | - Vivek K. Gupta
- X-ray
Crystallography Laboratory, University of Jammu, Jammu Tawi-180006, India
| | - Rajni Kant
- X-ray
Crystallography Laboratory, University of Jammu, Jammu Tawi-180006, India
| | - Ram A. Vishwakarma
- Medicinal
Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu-18001, India
- Academy of Scientific and Innovative Research, Canal Road, Jammu-18001, India
| | - Parvinder Pal Singh
- Medicinal
Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu-18001, India
- Academy of Scientific and Innovative Research, Canal Road, Jammu-18001, India
| |
Collapse
|
27
|
Srivastava A, Aggarwal L, Jain N. One-pot sequential alkynylation and cycloaddition: regioselective construction and biological evaluation of novel benzoxazole-triazole derivatives. ACS COMBINATORIAL SCIENCE 2015; 17:39-48. [PMID: 25396730 DOI: 10.1021/co500135z] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Individually, benzoxazole and triazole moieties are of significant biological interest owing to their importance in drugs and pharmaceuticals. To assess their combined biological impact when woven into one molecule, we designed a novel, regioselective, multicomponent, one-pot (MCOP) approach for the construction of benzoxazole-linked triazoles. The synthesis has been achieved in two sequential steps involving copper-catalyzed alkynylation of benzoxazole followed by a 1,3-dipolar cycloaddition reaction. By combination of these two bioactive units into one core, a series of new benzoxazole-triazole scaffolds has been synthesized and subjected to in vitro antibacterial and anticancer evaluation. Tests against clinical isolates of Staphylococcus aureus and Escherichia coli showed potent Gram-negative activity for compounds 4{1,1,1}, 4{1,1,4}, and 4{1,2,1}. The cytotoxicity of the synthesized library was determined against three cancer cell lines: HeLa, SKBr3, and Hep G2. Compound 4{2,2,2} showed significant cytotoxicity against all the cell lines. These preliminary bioassay evaluations strongly suggest the promise and scope of these novel molecules as therapeutic agents in medical science.
Collapse
Affiliation(s)
- Ananya Srivastava
- Department of Chemistry, Indian Institute of Technology, New Delhi-110016, India
| | - Leena Aggarwal
- Department of Chemistry, Indian Institute of Technology, New Delhi-110016, India
| | - Nidhi Jain
- Department of Chemistry, Indian Institute of Technology, New Delhi-110016, India
| |
Collapse
|
28
|
Singh G, Arora A, Mangat SS, Singh J, Chaudhary S, Kaur N, Choquesillo-Lazarte D. Synthesis and characterization of modified Schiff base silatranes (MSBS) via ‘Click Silylation’. J Mol Struct 2015. [DOI: 10.1016/j.molstruc.2014.09.042] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
|
29
|
Negi B, Raj KK, Siddiqui SM, Ramachandran D, Azam A, Rawat DS. In vitro antiamoebic activity evaluation and docking studies of metronidazole-triazole hybrids. ChemMedChem 2014; 9:2439-44. [PMID: 25146853 DOI: 10.1002/cmdc.201402240] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2014] [Indexed: 11/07/2022]
Abstract
An in-house database of 520 compounds was docked against Entamoeba histolytica thioredoxin reductase (EhTrR), a promising target for the treatment of amoebiasis. Amongst these, some metronidazole (MTZ)-triazole hybrids were ranked high, with docking scores from -10.23 to -7.56. Studies of the binding orientations and conformations show that the head groups of MTZ-triazole hybrids interact with the arginine residues within the binding pocket of EhTrR, making it clear that such is the optimal and most reliable orientation for this class of compounds. The top-ten MTZ-triazole hybrids were then selected for evaluation of their activity against the HM1:IMSS strain of amoeba. The most active compound, 2-pyridyl-(1,2,3-triazolyl)metronidazole 10, with an IC50 value of 8.4 nM, was significantly more active than the standard drug MTZ alone. Docking studies revealed that compound 10 may act as an EhTrR inhibitor with activity in the nanomolar range and satisfactory ADME properties; it is a suitable candidate to be carried forward as a potential lead in the discovery of drugs to combat amoebiasis.
Collapse
Affiliation(s)
- Beena Negi
- Department of Chemistry, University of Delhi, Delhi 110007 (India)
| | | | | | | | | | | |
Collapse
|
30
|
Synthesis of novel 1,2,3-triazole derivatives of isoniazid and their in vitro and in vivo antimycobacterial activity evaluation. Eur J Med Chem 2014; 81:301-13. [PMID: 24852277 DOI: 10.1016/j.ejmech.2014.05.005] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2013] [Revised: 04/01/2014] [Accepted: 05/01/2014] [Indexed: 11/20/2022]
Abstract
We report herein the synthesis and antimycobacterial activity of 1,2,3-triazole derivatives of isoniazid. Most of the compounds exhibited potent activity against Mycobacterium tuberculosis H37Rv strain with MIC99 values ranging from 0.195 to 1.56 μM in vitro. One compound showed better in vitro activity than the reference, whereas five compounds were equally potent to the reference compound isoniazid. The cytotoxicity of these compounds was studied against THP-1 cell line and no toxicity was observed even at 50 μM concentration. The compound with most potent in vitro activity was evaluated for in vivo in murine model of tuberculosis and significantly reduced bacillary load in both lungs and spleen at 10 weeks post-treatment. However this clearance effect was more pronounced in the case of spleen. Molecular docking and molecular dynamics simulations have been performed using two targets 2IDZ 1 (wild type Enoyl-acyl-carrier-protein reductase) and 4DQU 2 (mutant type Enoyl-acyl-carrier-protein reductase) to study the binding orientation and stability of the compound 47. Docking studies proved compound 47 fit well into the binding pocket of both the targets. Molecular dynamic simulations concluded that the highest active compound 47 in complex with 4DQU was more stable when compared to the 2IDZ. We believe that further optimization of these molecules may lead to potent anti-tubercular agents.
Collapse
|
31
|
Rajesh UC, Kholiya R, Satya Pavan V, Rawat DS. Catalyst-free, ethylene glycol promoted one-pot three component synthesis of 3-amino alkylated indoles via Mannich-type reaction. Tetrahedron Lett 2014. [DOI: 10.1016/j.tetlet.2014.03.112] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
|
32
|
Wang SF, Yin Y, Qiao F, Wu X, Sha S, Zhang L, Zhu HL. Synthesis, molecular docking and biological evaluation of metronidazole derivatives containing piperazine skeleton as potential antibacterial agents. Bioorg Med Chem 2014; 22:2409-15. [DOI: 10.1016/j.bmc.2014.03.004] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2014] [Revised: 03/03/2014] [Accepted: 03/04/2014] [Indexed: 10/25/2022]
|
33
|
Anthwal A, Rajesh UC, Rawat MSM, Kushwaha B, Maikhuri JP, Sharma VL, Gupta G, Rawat DS. Novel metronidazole-chalcone conjugates with potential to counter drug resistance in Trichomonas vaginalis. Eur J Med Chem 2014; 79:89-94. [PMID: 24727243 DOI: 10.1016/j.ejmech.2014.03.076] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2013] [Revised: 03/24/2014] [Accepted: 03/27/2014] [Indexed: 11/16/2022]
Abstract
Trichomoniasis is the most prevalent, curable sexually transmitted disease (STD), which increases risk of viral STDs and HIV. However, drug resistance has been developed by some strains of Trichomonas vaginalis against Metronidazole (MTZ), the FDA approved drug against trichomoniasis. In the present study twenty two chalcone hybrids of metronidazole have been synthesized in a quest to get new molecules with higher potential against metronidazole-resistant T. vaginalis. All new hybrid molecules were found active against T. vaginalis with varying levels of activity against MTZ-susceptible and resistant strains. Eight compounds (4a, 4c, 4d, 4e, 4f, 4h, 4q and 4s) were found as active as the standard drug with an MIC of 1.56 μg/ml against MTZ-susceptible strain. However, compounds 4e, 4h and 4m were 4-times more active than MTZ against drug-resistant T. vaginalis, amongst which 4e and 4h were most promising against both susceptible and resistant strains.
Collapse
Affiliation(s)
- Amit Anthwal
- Department of Chemistry, H.N.B. Garhwal University (A Central University), Srinagar (Garhwal), Uttarakhand 246174, India; Department of Chemistry, University of Delhi, Delhi 110007, India
| | - U Chinna Rajesh
- Department of Chemistry, University of Delhi, Delhi 110007, India
| | - M S M Rawat
- Department of Chemistry, H.N.B. Garhwal University (A Central University), Srinagar (Garhwal), Uttarakhand 246174, India.
| | - Bhavana Kushwaha
- Division of Endocrinology, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Jagdamba P Maikhuri
- Division of Endocrinology, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Vishnu L Sharma
- Division of Medicinal & Process Chemistry, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Gopal Gupta
- Division of Endocrinology, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Diwan S Rawat
- Department of Chemistry, University of Delhi, Delhi 110007, India.
| |
Collapse
|
34
|
Saraei M, Eftekhari-Sis B, Faramarzi M, Hossienzadeh R. Synthesis of New 1,2,3-Triazole Derivatives Possessing 4H-Pyran-4-one Moiety by 1,3-Dipolar Cycloaddition Reaction of Azidomethyl Phenylpyrone with Various Alkynes. J Heterocycl Chem 2014. [DOI: 10.1002/jhet.1743] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Mahnaz Saraei
- Department of Chemistry; Payame Noor University; P.O. Box 19395-3697 Tehran Iran
| | - Bagher Eftekhari-Sis
- Department of Chemistry, Faculty of Science; University of Maragheh; P.O. Box 55181-83111 Maragheh Iran
| | - Massomeh Faramarzi
- Department of Chemistry; Payame Noor University; P.O. Box 19395-3697 Tehran Iran
| | | |
Collapse
|
35
|
Singh G, Singh J, Mangat SS, Arora A. Synthetic approach towards ‘click’ modified chalcone based organotriethoxysilanes; UV-Vis study. RSC Adv 2014. [DOI: 10.1039/c4ra08724k] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
The efficient linkage of a conjugate chalcone to n-propyltriethoxysilanes via a 1,2,3-triazole is reported. The synthesis involves a Claisen–Schmidt condensation followed by a copper(i) catalyzed azide–alkyne cycloaddition (CuAAC) reaction.
Collapse
Affiliation(s)
- Gurjaspreet Singh
- Department of Chemistry and Centre of Advanced Studies
- Panjab University
- Chandigarh, India
| | - Jandeep Singh
- Department of Chemistry and Centre of Advanced Studies
- Panjab University
- Chandigarh, India
| | | | - Aanchal Arora
- Department of Chemistry and Centre of Advanced Studies
- Panjab University
- Chandigarh, India
| |
Collapse
|
36
|
Kumar D, Raj KK, Malhotra SV, Rawat DS. Synthesis and anticancer activity evaluation of resveratrol–chalcone conjugates. MEDCHEMCOMM 2014. [DOI: 10.1039/c3md00329a] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
|
37
|
Manohar S, Pepe A, Vélez Gerena CE, Zayas B, Malhotra SV, Rawat DS. Anticancer activity of 4-aminoquinoline-triazine based molecular hybrids. RSC Adv 2014. [DOI: 10.1039/c3ra45333b] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
|
38
|
Beena, Kumar D, Kumbukgolla W, Jayaweera S, Bailey M, Alling T, Ollinger J, Parish T, Rawat DS. Antibacterial activity of adamantyl substituted cyclohexane diamine derivatives against methicillin resistant Staphylococcus aureus and Mycobacterium tuberculosis. RSC Adv 2014. [DOI: 10.1039/c4ra00224e] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
|
39
|
In vitro antimalarial activity, β-haematin inhibition and structure–activity relationships in a series of quinoline triazoles. Eur J Med Chem 2013; 69:338-47. [DOI: 10.1016/j.ejmech.2013.08.046] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2013] [Revised: 08/19/2013] [Accepted: 08/25/2013] [Indexed: 11/23/2022]
|
40
|
Synthesis and antioxidant activity of thymol and carvacrol based Schiff bases. Bioorg Med Chem Lett 2013; 23:641-5. [DOI: 10.1016/j.bmcl.2012.12.001] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2012] [Revised: 11/27/2012] [Accepted: 12/01/2012] [Indexed: 11/17/2022]
|
41
|
Kumar D, Raj KK, Bailey M, Alling T, Parish T, Rawat DS. Antimycobacterial activity evaluation, time-kill kinetic and 3D-QSAR study of C-(3-aminomethyl-cyclohexyl)-methylamine derivatives. Bioorg Med Chem Lett 2013; 23:1365-9. [PMID: 23357633 DOI: 10.1016/j.bmcl.2012.12.083] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2012] [Accepted: 12/24/2012] [Indexed: 11/25/2022]
Abstract
A series of C-(3-aminomethyl-cyclohexyl)-methylamine derivatives were synthesized and evaluated for their antitubercular activity. Some of the compounds exhibited potent activity against Mycobacterium tuberculosis H37Rv. One of the compound having t-butyl at para position of the benzene ring showed excellent activity even better than the standard drug ethambutol with MIC value 1.1 ± 0.2 μM. The time-kill kinetics study of two most active compounds showed rapid killing of the M. tuberculosis within 4 days. Additionally atom-based quantitative structure-activity relationship (QSAR) model was developed that gave a statistically satisfying result (R(2))=0.92, Q(2)=0.75, Pearson-R=0.96 and effectively predicts the anti-tuberculosis activity of training and test set compounds.
Collapse
Affiliation(s)
- Deepak Kumar
- Department of Chemistry, University of Delhi, Delhi 110007, India
| | | | | | | | | | | |
Collapse
|
42
|
Thakur A, Tripathi M, Rajesh UC, Rawat DS. Ethylenediammonium diformate (EDDF) in PEG600: an efficient ambiphilic novel catalytic system for the one-pot synthesis of 4H-pyrans via Knoevenagel condensation. RSC Adv 2013. [DOI: 10.1039/c3ra42410c] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
|
43
|
Manohar S, Khan SI, Kandi SK, Raj K, Sun G, Yang X, Calderon Molina AD, Ni N, Wang B, Rawat DS. Synthesis, antimalarial activity and cytotoxic potential of new monocarbonyl analogues of curcumin. Bioorg Med Chem Lett 2012; 23:112-6. [PMID: 23218718 DOI: 10.1016/j.bmcl.2012.11.004] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2012] [Revised: 10/13/2012] [Accepted: 11/02/2012] [Indexed: 01/14/2023]
Abstract
A series of novel monocarbonyl analogues of curcumin have been designed, synthesized and tested for their activity against Molt4, HeLa, PC3, DU145 and KB cancer cell lines. Six of the analogues showed potent cytotoxicity towards these cell lines with IC(50) values below 1 μM, which is better than doxorubicin, a US FDA approved drug. Several analogues were also found to be active against both CQ-resistant (W2 clone) and CQ-sensitive (D6) strains of Plasmodium falciparum in an in-vitro antimalarial screening. This level of activity warrants further investigation of the compounds for development as anticancer and antimalarial agents.
Collapse
Affiliation(s)
- Sunny Manohar
- Department of Chemistry, University of Delhi, Delhi 110007, India
| | | | | | | | | | | | | | | | | | | |
Collapse
|
44
|
Beena, Joshi S, Kumar N, Kidwai S, Singh R, Rawat DS. Synthesis and Antitubercular Activity Evaluation of Novel Unsymmetrical Cyclohexane-1,2-diamine Derivatives. Arch Pharm (Weinheim) 2012; 345:896-901. [DOI: 10.1002/ardp.201200219] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2012] [Revised: 07/13/2012] [Accepted: 07/19/2012] [Indexed: 11/10/2022]
|
45
|
Affiliation(s)
- Beena
- Department of Chemistry; University of Delhi; Delhi; 110007; India
| | - Diwan S. Rawat
- Department of Chemistry; University of Delhi; Delhi; 110007; India
| |
Collapse
|
46
|
Fernández S, Giglio J, Rey AM, Cerecetto H. Influence of ligand denticity on the properties of novel ⁹⁹mTc(I)-carbonyl complexes. Application to the development of radiopharmaceuticals for imaging hypoxic tissue. Bioorg Med Chem 2012; 20:4040-8. [PMID: 22658538 DOI: 10.1016/j.bmc.2012.05.010] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2012] [Revised: 04/28/2012] [Accepted: 05/08/2012] [Indexed: 10/28/2022]
Abstract
An important issue in the development of metal-based radiopharmaceuticals is the selection of the labelling strategy in order to couple the metal to the pharmacophore without losing the biological activity. With the aim to evaluate the correlation between ligand denticity and biological behaviour of the corresponding (99m)Tc complexes, we designed a tridentate and a bidentate 5-nitroimidazole derivatives suitable for (99m)Tc(I) tricarbonyl complexation and with potential use as radiopharmaceuticals towards hypoxic tissue diagnosis. Ligands were synthesized using metronidazol, a pharmaceutical containing the bioreductive pharmacophore as starting material. The chelating units were connected to the pharmacophore using the click reaction of Huisgen. Both (99m)Tc complexes were obtained in high yield and were hydrophilic and stable in labelling milieu. The complex obtained from the tridentate ligand exhibited high stability in human plasma, low protein binding and a favourable biodistribution characterized by low blood and liver uptake, fast elimination and negligible uptake in other organs or tissues. Selective uptake and retention in tumour together with favourable tumour/muscle ratio makes this (99m)Tc-complex a promising candidate for further evaluation as potential hypoxia imaging agent in tumours. The bidentate ligand, on the other hand, yielded a less stable (99m)Tc-complex that experimented hydrolysis in vitro and decomposition in human plasma and showed high protein binding, high blood and liver uptake and moderate excretion. Although selective uptake and retention in tumour was also observed physicochemical and biological behaviour are inadequate for in vivo use, demonstrating that denticity of the ligand is particularly important and that tridentate ligands are preferable in order to prepare (99m)Tc-tricarbonyl complexes for Nuclear Medicine imaging.
Collapse
Affiliation(s)
- Soledad Fernández
- Cátedra de Radioquímica, Facultad de Química, Universidad de la República. Avda. Gral. Flores 2124, 11800 Montevideo, Uruguay
| | | | | | | |
Collapse
|
47
|
Yousuf S, Zeb A, Basha FZ. 2-(2-Methyl-5-nitro-1H-imidazol-1-yl)ethyl 4-fluoro-benzoate. Acta Crystallogr Sect E Struct Rep Online 2012; 68:o952. [PMID: 22590014 PMCID: PMC3343933 DOI: 10.1107/s1600536812006319] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2012] [Accepted: 02/13/2012] [Indexed: 11/10/2022]
Abstract
In the title compound, C13H12FN3O4, the dihedral angle between the benzene and imidazole rings is 32.77 (12)°. In the crystal, molecules are linked into a three-dimensional network by C—H⋯O hydrogen bonds.
Collapse
Affiliation(s)
- Sammer Yousuf
- HEJ Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | | | | |
Collapse
|
48
|
Tan YH, Li JX, Xue FL, Qi J, Wang ZY. Concise synthesis of chiral 2(5H)-furanone derivatives possessing 1,2,3-triazole moiety via one-pot approach. Tetrahedron 2012. [DOI: 10.1016/j.tet.2012.01.092] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
|
49
|
Doiron J, Soultan AH, Richard R, Touré MM, Picot N, Richard R, Čuperlović-Culf M, Robichaud GA, Touaibia M. Synthesis and structure–activity relationship of 1- and 2-substituted-1,2,3-triazole letrozole-based analogues as aromatase inhibitors. Eur J Med Chem 2011; 46:4010-24. [DOI: 10.1016/j.ejmech.2011.05.074] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2011] [Revised: 05/30/2011] [Accepted: 05/31/2011] [Indexed: 11/28/2022]
|
50
|
Mao MZ, Li YX, Zhou YY, Chen W, Liu TW, Yu SJ, Wang SH, Li ZM. Synthesis and Biological Activity of Novel 1-Substituted Phenyl-4-[N-[(2′-morpholinothoxy)phenyl]aminomethyl]-1H-1,2,3-Triazoles. Chem Biol Drug Des 2011; 78:695-9. [DOI: 10.1111/j.1747-0285.2011.01172.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
|