1
|
Khidre RE, Salem MA, Ameen TA, Abdelgawad AAM. Triazoloquinolines II: Synthesis, Reactions, and Pharmacological Properties of [1,2,4]Triazoloquinoline and 1,2,4-Triazoloisoquinoline Derivatives. Polycycl Aromat Compd 2021. [DOI: 10.1080/10406638.2021.2008457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Rizk E. Khidre
- Chemistry Department, Faculty of Science, Jazan University, Jazan, Saudi Arabia
- Chemical Industries Division, National Research Centre, Giza, Egypt
| | - Mounir A. Salem
- Chemistry Department, Synthetic Heterocycles Laboratory, Faculty of Science, Ain Shams University, Cairo, Egypt
| | - Tahah A. Ameen
- Chemistry Department, Faculty of Science, Jazan University, Jazan, Saudi Arabia
- Chemistry Department, Faculty of Science, Zagazig University, Zagazig, Egypt
| | - Ahmed A. M. Abdelgawad
- Chemistry Department, Faculty of Science, Jazan University, Jazan, Saudi Arabia
- Medicinal and Aromatic Plants Department, Desert Research Center, Cairo, Egypt
| |
Collapse
|
2
|
Abuelizz HA, Al-Salahi R. An overview of triazoloquinazolines: Pharmacological significance and recent developments. Bioorg Chem 2021; 115:105263. [PMID: 34426148 DOI: 10.1016/j.bioorg.2021.105263] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 07/14/2021] [Accepted: 08/07/2021] [Indexed: 01/26/2023]
Abstract
Nitrogen heterocyclic rings have participated to constitute most of the drugs and several pharmacologically related compounds. The existence of such hetero atoms/groups in heterocyclic systems privileged specificities in their biological objectives. Particularly, quinazoline and triazole are biologically imperative platforms known to be linked with various pharmacological activities. Some of the prominent pharmacological responses ascribed to these systems are analgesic, antiinflammatory, anticonvulsant, hypnotic, antihistaminic, antihypertensive, anticancer, antimicrobial, antitubercular, antiviral and antimalarial activities. This diversity in the pharmacological outputs for both triazole and quinazoline systems has encouraged the medicinal chemistry researchers to create several chemical routes aiming at the incorporation of two rings in one molecule named triazoloquinazoline system. This system has shown multiple potential activities against numerous targets. Correlation the specific structural features of triazoloquinazoline system with its pharmacological purposes has successively been achieved by performing several pharmacological examinations and structure-activity relationship studies. The development of triazoloquinazoline derivatives and the understanding of their pharmacological targets offer opportunities for novel therapeutics. This review mainly emphases on the medicinal chemistry aspects of triazoloquinazolines including synthesis, reactivity, biological activity and structure activity relationship studies (SARs). Moreover, this review collates literature reported by researchers on triazoquinazolines and provides detailed attention on their analogs pharmacological activities in the perspective of drug development and discovery.
Collapse
Affiliation(s)
- Hatem A Abuelizz
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, PO Box 2457, Riyadh 11451, Saudi Arabia
| | - Rashad Al-Salahi
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, PO Box 2457, Riyadh 11451, Saudi Arabia.
| |
Collapse
|
3
|
Nehra N, Kumar Tittal R, Ghule VD, Kumar N, Kumar Paul A, Lal K, Kumar A. CuAAC Mediated Synthesis of 2‐HBT Linked Bioactive 1,2,3‐Triazole Hybrids: Investigations through Fluorescence, DNA Binding, Molecular Docking, ADME Predictions and DFT Study. ChemistrySelect 2021. [DOI: 10.1002/slct.202003919] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Nidhi Nehra
- Department of Chemistry National Institute of Technology, Kurukshetra Haryana 136119 India
| | - Ram Kumar Tittal
- Department of Chemistry National Institute of Technology, Kurukshetra Haryana 136119 India
| | - Vikas D. Ghule
- Department of Chemistry National Institute of Technology, Kurukshetra Haryana 136119 India
| | - Nikhil Kumar
- Department of Chemistry National Institute of Technology, Kurukshetra Haryana 136119 India
| | - Avijit Kumar Paul
- Department of Chemistry National Institute of Technology, Kurukshetra Haryana 136119 India
| | - Kashmiri Lal
- Department of Chemistry GJUS&T, Hisar Haryana 125001 India
| | - Ashwini Kumar
- Department of of Pharmaceutical Sciences GJUS&T, Hisar Haryana 125001 India
| |
Collapse
|
4
|
Song MX, Deng XQ. Recent developments on triazole nucleus in anticonvulsant compounds: a review. J Enzyme Inhib Med Chem 2018; 33:453-478. [PMID: 29383949 PMCID: PMC6010125 DOI: 10.1080/14756366.2017.1423068] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2017] [Revised: 12/27/2017] [Accepted: 12/27/2017] [Indexed: 11/02/2022] Open
Abstract
Epilepsy is one of the common diseases seriously threatening life and health of human. More than 50 million people are suffering from this condition and anticonvulsant agents are the main treatment. However, side effects and intolerance, and a lack of efficacy limit the application of the current anticonvulsant agents. The search for new anticonvulsant agents with higher efficacy and lower toxicity continues to be the focus and task in medicinal chemistry. Numbers of triazole derivatives as clinical drugs or candidates have been frequently employed for the treatment of various types of diseases, which have proved the importance of this heterocyclic nucleus in drug design and discovery. Recently many endeavours were made to involve the triazole into the anticonvulsants design, which have brought lots of active compounds. This work is an attempt to systematically review the research of triazole derivatives in the design and development of anticonvulsant agents during the past two decades.
Collapse
Affiliation(s)
- Ming-Xia Song
- Medical College, Jinggangshan University, Ji’an, Jiangxi, China
| | - Xian-Qing Deng
- Medical College, Jinggangshan University, Ji’an, Jiangxi, China
| |
Collapse
|
5
|
Tariq S, Kamboj P, Amir M. Therapeutic advancement of benzothiazole derivatives in the last decennial period. Arch Pharm (Weinheim) 2018; 352:e1800170. [PMID: 30488989 DOI: 10.1002/ardp.201800170] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Revised: 10/04/2018] [Accepted: 10/10/2018] [Indexed: 11/08/2022]
Abstract
Benzothiazole, a fused heterocyclic moiety, has attracted synthetic and medicinal chemists for good reasons. It is a valuable scaffold that possesses diverse biological activities, such as anticancer, anti-inflammatory, antimicrobial, antiviral, antimalarial, and anticonvulsant effects. This review mainly focusses on the recent research work on the different biological activities of benzothiazole-based compounds.
Collapse
Affiliation(s)
- Sana Tariq
- Department of Pharmaceutical Chemistry, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, India
| | - Payal Kamboj
- Department of Pharmaceutical Chemistry, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, India
| | - Mohammad Amir
- Department of Pharmaceutical Chemistry, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, India
| |
Collapse
|
6
|
Mohassab AM, Hassan HA, Abdelhamid D, Abdel-Aziz M, Dalby KN, Kaoud TS. Novel quinoline incorporating 1,2,4-triazole/oxime hybrids: Synthesis, molecular docking, anti-inflammatory, COX inhibition, ulceroginicity and histopathological investigations. Bioorg Chem 2017; 75:242-259. [DOI: 10.1016/j.bioorg.2017.09.018] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2017] [Revised: 09/24/2017] [Accepted: 09/25/2017] [Indexed: 11/24/2022]
|
7
|
Design, synthesis and evaluation of 5-substituted 1-H-tetrazoles as potent anticonvulsant agents. Arch Pharm Res 2016; 40:435-443. [DOI: 10.1007/s12272-016-0881-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2016] [Accepted: 12/21/2016] [Indexed: 11/26/2022]
|
8
|
Synthesis and Pharmacological Evaluation of New 3,4-Dihydroisoquinolin Derivatives Containing Heterocycle as Potential Anticonvulsant Agents. Molecules 2016; 21:molecules21121635. [PMID: 27916842 PMCID: PMC6273582 DOI: 10.3390/molecules21121635] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Accepted: 11/05/2016] [Indexed: 12/02/2022] Open
Abstract
Two novel series of 3,4-dihydroisoquinolin with heterocycle derivatives (4a–t and 9a–e) were synthesized and evaluated for their anticonvulsant activity using maximal electroshock (MES) test and pentylenetetrazole (PTZ)-induced seizure test. All compounds were characterized by IR, 1H-NMR, 13C-NMR, and mass spectral data. Among them, 9-(exyloxy)-5,6-dihydro-[1,2,4]triazolo[3,4-a]isoquinolin-3(2H)-one (9a) showed significant anticonvulsant activity in MES tests with an ED50 value of 63.31 mg/kg and it showed wide margins of safety with protective index (PI > 7.9). It showed much higher anticonvulsant activity than that of valproate. It also demonstrated potent activity against PTZ-induced seizures. A docking study of compound 9a in the benzodiazepine (BZD)-binding site of γ-aminobutyric acidA (GABAA) receptor confirmed possible binding of compound 9a with the BZD receptors.
Collapse
|
9
|
Wei CX, Bian M, Gong GH. Current Research on Antiepileptic Compounds. Molecules 2015; 20:20741-76. [PMID: 26610448 PMCID: PMC6332177 DOI: 10.3390/molecules201119714] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2015] [Revised: 11/03/2015] [Accepted: 11/06/2015] [Indexed: 02/02/2023] Open
Abstract
Epilepsy affects about 1% of the world’s population. Due to the fact all antiepileptic drugs (AEDs) have some undesirable side effects and about 30% of epileptic patients are not seizure-free with the existing AEDs, there is still an urgent need for the development of more effective and safer AEDs. Based on our research work on antiepileptic compounds and other references in recent years, this review covers the reported work on antiepileptic compounds which are classified according to their structures. This review summarized 244 significant anticonvulsant compounds which are classified by functional groups according to the animal model data, although there are some limitations in the data. This review highlights the properties of new compounds endowed with promising antiepileptic properties, which may be proven to be more effective and selective, and possibly free of unwanted side effects. The reviewed compounds represent an interesting possibility to overcome refractory seizures and to reduce the percentage of patients with a poor response to drug therapy.
Collapse
Affiliation(s)
- Cheng-Xi Wei
- Medicinal Chemistry and Pharmacology Institute, Inner Mongolia University for the Nationalities, Tongliao 028000, China.
| | - Ming Bian
- Medicinal Chemistry and Pharmacology Institute, Inner Mongolia University for the Nationalities, Tongliao 028000, China.
| | - Guo-Hua Gong
- Medicinal Chemistry and Pharmacology Institute, Inner Mongolia University for the Nationalities, Tongliao 028000, China.
- Affiliated Hospital of Inner Mongolia University for Nationalities, Tongliao 028000, Inner Mongolia, China.
| |
Collapse
|
10
|
Zhen X, Peng Z, Zhao S, Han Y, Jin Q, Guan L. Synthesis, potential anticonvulsant and antidepressant effects of 2-(5-methyl-2,3-dioxoindolin-1-yl)acetamide derivatives. Acta Pharm Sin B 2015; 5:343-9. [PMID: 26579465 PMCID: PMC4629268 DOI: 10.1016/j.apsb.2015.01.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2014] [Revised: 12/30/2014] [Accepted: 01/04/2015] [Indexed: 11/04/2022] Open
Abstract
A new series of 2-(5-methyl-2,3-dioxoindolin-1-yl)acetamide derivatives were synthesized and evaluated for their anticonvulsive activity in a pentylenetetrazole (PTZ)-evoked convulsion model and antidepressant activity in the forced swimming test (FST) model. Eleven synthesized compounds were found to be protective against PTZ-induced seizure and showed the anticonvulsant activity. In addition, four of the synthesized compounds (4l, 4m, 4p and 4q) showed potent antidepressant-like activity. Among these compounds, compound 4l was found to have the most potent antidepressant-like activity, and significantly reduced the duration of immobility time at 100 mg/kg dose level when compared to the vehicle control, which is similar to the reference drug fluoxetine.
Collapse
|
11
|
Aboul-Enein MN, El-Azzouny AAS, Saleh OA, Amin KM, Maklad YA, Hassan RM. Synthesis and Anticonvulsant Activity of Substituted-1,3-diazaspiro[4.5]decan-4-ones. Arch Pharm (Weinheim) 2015; 348:575-88. [DOI: 10.1002/ardp.201500092] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2015] [Revised: 04/15/2015] [Accepted: 04/17/2015] [Indexed: 11/08/2022]
Affiliation(s)
- Mohamed Nabil Aboul-Enein
- Pharmaceutical and Medicinal Chemistry Department; Medicinal Chemistry Group; Pharmaceutical and Drug Industries Research Division; National Research Centre (ID: 60014618); Dokki Giza Egypt
| | - Aida Abdel Sattar El-Azzouny
- Pharmaceutical and Medicinal Chemistry Department; Medicinal Chemistry Group; Pharmaceutical and Drug Industries Research Division; National Research Centre (ID: 60014618); Dokki Giza Egypt
| | - Ola Ahmed Saleh
- Pharmaceutical and Medicinal Chemistry Department; Medicinal Chemistry Group; Pharmaceutical and Drug Industries Research Division; National Research Centre (ID: 60014618); Dokki Giza Egypt
| | - Kamilia Mahmoud Amin
- Department of Pharmaceutical Chemistry; Faculty of Pharmacy; Cairo University; Cairo Egypt
| | - Yousreya Ali Maklad
- Pharmaceutical and Medicinal Chemistry Department; Pharmacology Group; Pharmaceutical and Drug Industries Research Division; National Research Centre (ID: 60014618); Dokki Giza Egypt
| | - Rasha Mohamed Hassan
- Pharmaceutical and Medicinal Chemistry Department; Medicinal Chemistry Group; Pharmaceutical and Drug Industries Research Division; National Research Centre (ID: 60014618); Dokki Giza Egypt
| |
Collapse
|
12
|
|
13
|
Aboul-Enein MN, El-Azzouny AA, Attia MI, Maklad YA, Aboutabl ME, Ragab F, Abd El-Hamid WHA. Anticonvulsant profiles of certain new 6-aryl-9-substituted-6,9-diazaspiro-[4.5]decane-8,10-diones and 1-aryl-4-substituted-1,4-diazaspiro[5.5]undecane-3,5-diones. Int J Mol Sci 2014; 15:16911-35. [PMID: 25250910 PMCID: PMC4200821 DOI: 10.3390/ijms150916911] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2014] [Revised: 09/10/2014] [Accepted: 09/12/2014] [Indexed: 11/16/2022] Open
Abstract
Synthesis and anticonvulsant potential of certain new 6-aryl-9-substituted-6,9-diazaspiro[4.5]decane-8,10-diones (6a–l) and 1-aryl-4-substituted-1,4-diazaspiro[5.5]undecane-3,5-diones (6m–x) are reported. The intermediates 1-[(aryl)(cyanomethyl)amino]cycloalkanecarboxamides (3a–f) were prepared via adopting Strecker synthesis on the proper cycloalkanone followed by partial hydrolysis of the obtained nitrile functionality and subsequent N-cyanomethylation. Compounds 3a–f were subjected to complete nitrile hydrolysis to give the respective carboxylic acid derivatives 4a–f which were cyclized under mild conditions to give the spiro compounds 5a–f. Ultimately, compounds 5a–f were alkylated or aralkylated to give the target compounds 6a–i and 6m–u. On the other hand, compounds 6j–l and 6v–x were synthesized from the intermediates 5a–f through alkylation, dehydration and finally tetrazole ring formation. Anticonvulsant screening of the target compounds 6a–x revealed that compound 6g showed an ED50 of 0.0043 mmol/kg in the scPTZ screen, being about 14 and 214 fold more potent than the reference drugs, Phenobarbital (ED50 = 0.06 mmol/kg) and Ethosuximide (ED50 = 0.92 mmol/kg), respectively. Compound 6e exhibited an ED50 of 0.019 mmol/kg, being about 1.8 fold more potent than that of the reference drug, Diphenylhydantoin (ED50 = 0.034 mmol/kg) in the MES screen. Interestingly, all the test compounds 6a–x did not show any minimal motor impairment at the maximum administered dose in the neurotoxicity screen.
Collapse
Affiliation(s)
- Mohamed N Aboul-Enein
- Medicinal and Pharmaceutical Chemistry Department (Medicinal Chemistry Group), Pharmaceutical and Drug Industries Research Division, National Research Centre, Dokki, Giza 12622, Egypt.
| | - Aida A El-Azzouny
- Medicinal and Pharmaceutical Chemistry Department (Medicinal Chemistry Group), Pharmaceutical and Drug Industries Research Division, National Research Centre, Dokki, Giza 12622, Egypt.
| | - Mohamed I Attia
- Medicinal and Pharmaceutical Chemistry Department (Medicinal Chemistry Group), Pharmaceutical and Drug Industries Research Division, National Research Centre, Dokki, Giza 12622, Egypt.
| | - Yousreya A Maklad
- Medicinal and Pharmaceutical Chemistry Department (Pharmacology Group) Pharmaceutical and Drug Industries Research Division, National Research Centre, Dokki, Giza 12622, Egypt.
| | - Mona E Aboutabl
- Medicinal and Pharmaceutical Chemistry Department (Pharmacology Group) Pharmaceutical and Drug Industries Research Division, National Research Centre, Dokki, Giza 12622, Egypt.
| | - Fatma Ragab
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Cairo University, Cairo 11562, Egypt.
| | - Walaa H A Abd El-Hamid
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Misr University for Science & Technology, 6th of October City 12566, Egypt.
| |
Collapse
|
14
|
Maddila S, Pagadala R, Jonnalagadda SB. Synthesis and Insecticidal Activity of Tetrazole-Linked Triazole Derivatives. J Heterocycl Chem 2014. [DOI: 10.1002/jhet.2078] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Suresh Maddila
- School of Chemistry & Physics; University of KwaZulu-Natal; Westville Campus, Chiltern Hills Durban 4000 South Africa
| | - Ramakanth Pagadala
- School of Chemistry & Physics; University of KwaZulu-Natal; Westville Campus, Chiltern Hills Durban 4000 South Africa
| | - Sreekanth B. Jonnalagadda
- School of Chemistry & Physics; University of KwaZulu-Natal; Westville Campus, Chiltern Hills Durban 4000 South Africa
| |
Collapse
|
15
|
Kahveci B, Menteşe E, Akkaya E, Yılmaz F, Doğan İS, Özel A. Synthesis of Some Novel 1,2,4-Triazol-3-one Derivatives Bearing the Salicyl Moiety and Their Anticonvulsant Activities. Arch Pharm (Weinheim) 2014; 347:449-55. [DOI: 10.1002/ardp.201300427] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2013] [Revised: 01/03/2014] [Accepted: 01/10/2014] [Indexed: 11/08/2022]
Affiliation(s)
- Bahittin Kahveci
- Faculty of Health Sciences; Department of Nutrition and Dietetics; Karadeniz Technical University; Trabzon Turkey
| | - Emre Menteşe
- Faculty of Arts and Sciences; Department of Chemistry; Recep Tayyip Erdoğan University; Rize Turkey
| | - Emre Akkaya
- Faculty of Arts and Sciences; Department of Chemistry; Recep Tayyip Erdoğan University; Rize Turkey
| | - Fatih Yılmaz
- Faculty of Arts and Sciences; Department of Chemistry; Recep Tayyip Erdoğan University; Rize Turkey
| | - İnci S. Doğan
- Faculty of Pharmacy; Department of Pharmaceutical Chemistry; Karadeniz Technical University; Trabzon Turkey
| | - Arzu Özel
- Faculty of Pharmacy; Department of Biochemistry; Karadeniz Technical University; Trabzon Turkey
| |
Collapse
|
16
|
Liu DC, Deng XQ, Wang SB, Quan ZS. Synthesis and anticonvulsant activity evaluation of 7-alkoxy[1,2,4]triazolo[3,4-b]benzothiazol-3(2H)-ones. Arch Pharm (Weinheim) 2014; 347:268-75. [PMID: 24448887 DOI: 10.1002/ardp.201300277] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2013] [Revised: 09/29/2013] [Accepted: 10/01/2013] [Indexed: 11/09/2022]
Abstract
A new series of 7-alkoxy[1,2,4]triazolo[3,4-b]benzothiazol-3(2H)-ones were synthesized and evaluated for their anticonvulsant activities. Among these compounds, 7-propoxy[1,2,4]triazolo[3,4-b]benzothiazol-3(2H)-one (4c) and 7-butoxy[1,2,4]triazolo[3,4-b]benzothiazol-3(2H)-one (4d) showed the highest activity against maximal electroshock (MES)-induced tonic extension [effective dose (ED)50 : 11.4 and 13.6 mg/kg, respectively]. It is worth mentioning that compound 4d showed especially low neurotoxicity, which led to a high protective index (PI >51). The orally anticonvulsant activity data of compound 4d further confirmed its efficacy, in an MES test, and its high safety with a PI value of 50.2. In addition, the potency of compound 4h against seizures induced by pentylenetetrazole, 3-mercaptopropionic acid, and bicuculline in the chemical-induced seizure tests suggested that compound 4d may exert its anticonvulsant activity through affecting the GABAergic system.
Collapse
Affiliation(s)
- Da-Chuan Liu
- College of Pharmacy, Yanbian University, Yanji, Jilin, China
| | | | | | | |
Collapse
|
17
|
Structure-based design, synthesis, and anticonvulsant activity of isatin-1-N-phenylacetamide derivatives. Med Chem Res 2013. [DOI: 10.1007/s00044-013-0811-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
|
18
|
Synthesis and anticonvulsant activity evaluation of 8-alkoxy-5-(4H-1,2,4-triazol-4-yl)quinoline derivatives. Arch Pharm Res 2013; 36:32-40. [PMID: 23328871 DOI: 10.1007/s12272-013-0006-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Two series of 8-alkoxy-5-(4H-1,2,4-triazol-4-yl)quinolines and 8-alkoxy-5-(2H-1,2,4-triazol-3-one-4-yl)quinolines were synthesized. The anticonvulsant activity of these compounds was evaluated with maximal electroshock seizure test and rotarod test. Among the synthesized compounds, 8-octoxy-5-(4H-1,2,4-triazol-4-yl)quinoline (4g) was the most active compound with ED(50) of 8.80 mg/kg, TD(50) of 176.03 mg/kg and protective index of 20.0. Its neurotoxicity was lower than all other synthesized compounds and also markedly lower than that of the reference drug carbamazepine. In addition, the potency of compound 4g against seizures induced by pentylenetetrazole, 3-mercaptopropionic acid, and bicuculline suggested its broad spectrum activity, and the mechanisms of action including inhibition of voltage-gated ion channels and modulation of GABAergic activity might involve in its anticonvulsant activity.
Collapse
|
19
|
Shu B, Zheng Y, Wang SB, Deng XQ, Quan ZS. Design, synthesis, and anticonvulsant activity evaluation of 4-(3-alkoxy-phenyl)-2,4-dihydro-[1,2,4]triazol-3-ones. Arch Pharm (Weinheim) 2012; 346:127-33. [PMID: 23239508 DOI: 10.1002/ardp.201200201] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2012] [Revised: 09/27/2012] [Accepted: 10/09/2012] [Indexed: 11/07/2022]
Abstract
A series of 4-(3-alkoxy-phenyl)-2,4-dihydro-[1,2,4]triazol-3-ones were synthesized using the appropriate synthetic route and evaluated experimentally in the maximal electroshock test; their neurotoxicities were evaluated by the rotarod neurotoxicity test. The structures of these compounds were confirmed by IR, MS, (1) H-NMR, and elementary analysis. All target compounds exhibited anticonvulsant activity to varying degrees in the maximal electroshock test. 4-(3-Benzyloxy-phenyl)-2,4-dihydro-[1,2,4]triazol-3-one (4i) was the most promising compound with an ED(50) value of 30.5 mg/kg and a protective index (PI) of 18.63, showing a higher safety than the standard carbamazepine (PI=6.45). In addition, the potency of compound 4i against seizures induced by pentylenetetrazole and 3-mercaptopropionic acid suggested its broad-spectrum activity, and the mechanisms of action including inhibition of voltage-gated ion channels and modulation of GABAergic activity might be involved in its anticonvulsant activity.
Collapse
Affiliation(s)
- Bing Shu
- College of Pharmacy, Yanbian University, Jilin, China
| | | | | | | | | |
Collapse
|
20
|
Siwek A, Stączek P, Kosikowska U, Malm A, Paneth P, Jankowski S. Does dehydrocyclization of 4-benzoylthiosemicarbazides in acetic acid lead to s-triazoles or thiadiazoles? Struct Chem 2012. [DOI: 10.1007/s11224-012-0065-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
|
21
|
Siddiqui N, Ali R, Arshad MF, Ahsan W, Ahmed S, Alam MS. Anticonvulsant and Toxicity Evaluation of Newer 4H-Benzo[1,4]oxazin-3-ones: The Effect of Two Hydrogen Bonding Domains. Arch Pharm (Weinheim) 2010; 343:657-63. [DOI: 10.1002/ardp.201000098] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
|
22
|
Synthesis and anti-inflammatory activity evaluation of some novel 6-alkoxy(phenoxy)-[1,2,4]triazolo[3,4-a]phthalazine-3-amine derivatives. Eur J Med Chem 2010; 45:4807-12. [DOI: 10.1016/j.ejmech.2010.07.049] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2010] [Revised: 07/24/2010] [Accepted: 07/28/2010] [Indexed: 11/17/2022]
|
23
|
Kharb R, Sharma PC, Yar MS. Pharmacological significance of triazole scaffold. J Enzyme Inhib Med Chem 2010; 26:1-21. [PMID: 20583859 DOI: 10.3109/14756360903524304] [Citation(s) in RCA: 350] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The triazole nucleus is one of the most important and well known heterocycles which is a common and integral feature of a variety of natural products and medicinal agents. Triazole nucleus is present as a core structural component in an array of drug categories such as antimicrobial, anti-inflammatory, analgesic, antiepileptic, antiviral, antineoplastic, antihypertensive, antimalarial, local anaesthetic, antianxiety, antidepressant, antihistaminic, antioxidant, antitubercular, anti-Parkinson's, antidiabetic, antiobesity and immunomodulatory agents, etc. The broad and potent activity of triazole and their derivatives has established them as pharmacologically significant scaffolds. The basic heterocyclic rings present in the various medicinal agents are 1,2,3-triazole and 1,2,4-triazole. A large volume of research has been carried out on triazole and their derivatives, which has proved the pharmacological importance of this heterocyclic nucleus. The present paper is an attempt to review the pharmacological activities reported for triazole derivatives in the current literature with an update of recent research findings on this nuclei.
Collapse
Affiliation(s)
- Rajeev Kharb
- Sanjivani College of Pharmaceutical Sciences, Khetri, India
| | | | | |
Collapse
|
24
|
Zhang LQ, Guan LP, Wei CX, Deng XQ, Quan ZS. Synthesis and anticonvulsant activity of some 7-alkoxy-2H-1,4-benzothiazin-3(4H)-ones and 7-alkoxy-4H-[1,2,4]triazolo[4,3-d]benzo[b][1,4]thiazines. Chem Pharm Bull (Tokyo) 2010; 58:326-31. [PMID: 20190436 DOI: 10.1248/cpb.58.326] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
A series of 7-alkoxy-2H-1,4-benzothiazin-3(4H)-ones and a new series of 7-alkoxy-4H-[1,2,4]triazolo[4,3-d]benzo[b][1,4]thiazine derivatives were synthesized using 5-methoxybenzo[d]thiazol-2-amine as starting material. The structures of the compounds were elucidated by IR, (1)H-NMR spectroscopic data and microanalyses. The anticonvulsant activity of these compounds was evaluated by maximal electroshock (MES) test and rotarod test following intraperitoneal injection in KunMing mice. Among the synthesized compounds 3a-v, 7-(hexyloxy)-2H-benzo[b][1,4]thiazin-3(4H)-one (3f) could be considered potentially the most useful and safe therapeutic compound. Among the synthesized compounds 4a-u, compound 7-(2-fluorobenzyloxy)-4H-[1,2,4]triazolo[4,3-d]benzo[b][1,4]thiazine (4k) was the most active compound with an ED(50) of 17.0 mg/kg, TD(50) of 243.9 mg/kg and protective index (PI) of 14.3. Its neurotoxicity was lower than all the other synthesized compounds and also markedly lower than that of the reference drug carbamazepine.
Collapse
Affiliation(s)
- Li-Qiu Zhang
- College of Pharmacy, Yanbian University, Zhoushan 316004, P. R. China
| | | | | | | | | |
Collapse
|
25
|
Wei CX, Deng XQ, Chai KY, Sun ZG, Quan ZS. Synthesis and anticonvulsant activity of 1-formamide-triazolo[4,3-a]quinoline derivatives. Arch Pharm Res 2010; 33:655-62. [PMID: 20512461 DOI: 10.1007/s12272-010-0502-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2009] [Revised: 02/02/2010] [Accepted: 02/02/2010] [Indexed: 11/29/2022]
Abstract
Using 6-hydroxy-3,4-dihydro-2(1H)-quinolone as the starting material, a series of 1-formamide-triazolo[4, 3-a]quinoline derivatives (6a-6n) was synthesized, the anticonvulsant effect and neurotoxicity of the compounds was calculated with maximal electroshock test and rotarod tests with intraperitoneally injected in KunMing mice. The results demonstrated that compound 7-(hexyloxy)-4,5-dihydro-[1,2,4] triazolo[4,3-a]quinoline-1-carboxamide (6d) was the most active one and also had the lowest toxicity. In the anti-maximal electroshock potency test, it showed median effective dose (ED(50)) of 30.1 mg/kg, median toxicity dose (TD(50)) of 286 mg/kg, and the protective index of 9.5 which is greater than the reference drug carbamazepine with the protective index value of 6.0.
Collapse
Affiliation(s)
- Cheng-Xi Wei
- Institute of Neurosurgery, Inner Mongolia University for Nationalities, Tongliao, China
| | | | | | | | | |
Collapse
|
26
|
Siwek A, Wujec M, Stefańska J, Paneth P. Antimicrobial Properties of 4-Aryl-3-(2-methyl-furan-3-yl)-Δ2-1,2,4-triazoline-5-thiones. PHOSPHORUS SULFUR 2009. [DOI: 10.1080/10426500802705297] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
|
27
|
Wang HJ, Wei CX, Deng XQ, Li FL, Quan ZS. Synthesis and Evaluation on Anticonvulsant and Antidepressant Activities of 5-Alkoxy-tetrazolo[1,5-a]quinazolines. Arch Pharm (Weinheim) 2009; 342:671-5. [DOI: 10.1002/ardp.200900119] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
|
28
|
Synthesis of 6-(3-substituted-4H-1,2,4-triazol-4-yl)-2-phenylbenzo[d]oxazoles as potential anticonvulsant agents. Med Chem Res 2009. [DOI: 10.1007/s00044-009-9239-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
|
29
|
Zhang L, Guan LP, Sun XY, Wei CX, Chai KY, Quan ZS. Synthesis and Anticonvulsant Activity of 6-Alkoxy-[1,2,4]Triazolo[3,4-a]Phthalazines. Chem Biol Drug Des 2009; 73:313-9. [DOI: 10.1111/j.1747-0285.2009.00776.x] [Citation(s) in RCA: 102] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
|
30
|
Sun XY, Zhang L, Wei CX, Piao HR, Quan ZS. Design, synthesis of 8-alkoxy-5,6-dihydro-[1,2,4]triazino[4,3-a]quinolin-1-ones with anticonvulsant activity. Eur J Med Chem 2009; 44:1265-70. [DOI: 10.1016/j.ejmech.2008.09.003] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2008] [Revised: 07/16/2008] [Accepted: 09/01/2008] [Indexed: 10/21/2022]
|
31
|
Synthesis of 2-substituted-6-(4H-1,2,4-triazol-4-yl)benzo[d]oxazoles as potential anticonvulsant agents. Arch Pharm Res 2009; 32:23-31. [PMID: 19183873 DOI: 10.1007/s12272-009-1114-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2008] [Revised: 12/15/2008] [Accepted: 12/15/2008] [Indexed: 10/21/2022]
Abstract
A series of 2-substituted-6-(4H-1,2,4-triazol-4-yl)benzo[d]oxazoles were synthesized. The anticonvulsant effect and neurotoxicity of the compounds (intraperitoneally) were evaluated with the maximal electroshock (MES) test, subcutaneous pentylenetetrazole (sc-PTZ), and rotarod tests in mice. 2-Phenyl-6-(4H-1,2,4-triazol-4-yl)benzo[d]oxazole (3g) was the most active and also had the lowest toxicity. In the anti-MES potency test, it showed median effective dose (ED(50)) of 29.5 mg/kg, a median toxicity dose (TD(50)) of 285 mg/kg, and a protective index (PI) of 9.7, which is greater than the reference drug, carbamazepine, which has a PI of 6.4.
Collapse
|
32
|
Guo LJ, Wei CX, Jia JH, Zhao LM, Quan ZS. Design and synthesis of 5-alkoxy-[1,2,4]triazolo[4,3-a]quinoline derivatives with anticonvulsant activity. Eur J Med Chem 2008; 44:954-8. [PMID: 18752871 DOI: 10.1016/j.ejmech.2008.07.010] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2008] [Revised: 07/10/2008] [Accepted: 07/11/2008] [Indexed: 10/21/2022]
Abstract
A series of 5-alkoxy-[1,2,4]triazolo[4,3-a]quinoline derivatives were synthesized using 4-hydroxyquinolin-2(1H)-one as the starting material. Their anticonvulsant activities were evaluated by the maximal electroshock test (MES) and their neurotoxicities were measured by the rotarod test. The results of these tests demonstrated that 5-hexyloxy-[1,2,4]triazolo[4,3-a]quinoline (3f) was the most potent anticonvulsant, with median effective dose (ED(50)) of 19.0mg/kg and protective index (PI=TD(50)/ED(50)) values of 5.8 in the MES test. Compound 5-benzyloxy-[1,2,4]triazolo[4,3-a]quinoline (3j), exhibited a little weaker activity than compound 3f in controlling the seizure induced by MES test at the dose of 22.8 mg/kg, but it possessed lower neurotoxicity with PI value of 12.0, which was safer than marketed drug carbamazepine. To explain the possible mechanism of anticonvulsant activity, compound 3j was tested in pentylenetetrazole test, isoniazid test, thiosemicarbazide test, 3-mercaptopropionic acid and strychnine test.
Collapse
Affiliation(s)
- Li-Jun Guo
- Key Laboratory of Organism Functional Factors of the Changbai Mountain, Yanbian University, Ministry of Education, Yanji, Jilin 133002, China
| | | | | | | | | |
Collapse
|
33
|
Sun XY, Wei CX, Chai KY, Piao HR, Quan ZS. Synthesis and Anti-inflammatory Activity Evaluation of Novel 7-Alkoxy-1-amino-4,5-dihydro[1,2,4]triazole[4,3-a]quinolines. Arch Pharm (Weinheim) 2008; 341:288-93. [DOI: 10.1002/ardp.200700182] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
|
34
|
Synthesis and pharmacological properties of 3-(2-methyl-furan-3-yl)-4-substituted-Δ2-1,2,4-triazoline-5-thiones. OPEN CHEM 2008. [DOI: 10.2478/s11532-007-0058-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
AbstractBy the reaction of 2-methyl-furan-3-carboxylic acid hydrazide with isothiocyanates, 1-[(2-methyl-furan-3-yl)carbonyl]-4-substituted thiosemicarbazides 1 were obtained. Further cyclization with 2% NaOH led to the formation of 3-(2-methyl-furan-3-yl)-4-substituted-Δ2-1,2,4-triazoline-5-thiones 2. The pharmacological effects of 2 on the central nervous system in mice were investigated. Strong antinociceptive properties of the investigated derivatives were observed in a wide range of doses.
Collapse
|
35
|
Chen J, Sun XY, Chai KY, Lee JS, Song MS, Quan ZS. Synthesis and anticonvulsant evaluation of 4-(4-alkoxylphenyl)-3-ethyl-4H-1,2,4-triazoles as open-chain analogues of 7-alkoxyl-4,5-dihydro[1,2,4]triazolo[4,3-a]quinolines. Bioorg Med Chem 2007; 15:6775-81. [PMID: 17761423 DOI: 10.1016/j.bmc.2007.08.004] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2007] [Revised: 07/31/2007] [Accepted: 08/01/2007] [Indexed: 11/19/2022]
Abstract
A series of 4-(4-alkoxylphenyl)-3-ethyl-4H-1,2,4-triazole derivatives was synthesized as open-chain analogues of 7-alkoxyl-4,5-dihydro[1,2,4]triazolo[4,3-a]quinolines. Their anticonvulsant activities were evaluated by the maximal electroshock test (MES test) and their neurotoxicity was evaluated by the rotarod neurotoxicity test (Tox). MES test showed that 3-ethyl-4-(4-octyloxyphenyl)-4H-1,2,4-triazole 3q was found to be the most potent with ED(50) value of 8.3mg/kg and protective index (PI=TD(50)/ED(50)) value of 5.5, but compound 3r, 3-ethyl-4-(4-octyloxyphenyl)-4H-1,2,4-triazole, exhibited better PI value of 9.3, which was much greater than PI value of the prototype drug phenytoin. For explanation of the possible mechanism of action, the compound 3r was tested in pentylenetetrazole test, isoniazid test, thiosemicarbazide test, 3-mercaptopropionic acid and strychnine test.
Collapse
Affiliation(s)
- Jing Chen
- Key Laboratory of Organism Functional Factors of the Changbai Mountain, Yanbian University, Ministry of Education, Yanji, Jilin, China
| | | | | | | | | | | |
Collapse
|