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Shtaiwi A. Thiadiazine-thiones as inhibitors of leishmania pteridine reductase (PTR1) target: investigations and in silico approach. J Biomol Struct Dyn 2024; 42:8588-8597. [PMID: 37578348 DOI: 10.1080/07391102.2023.2246589] [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: 08/29/2022] [Accepted: 08/05/2023] [Indexed: 08/15/2023]
Abstract
Leishmaniasis is a widespread parasitic disease and is one of the major public health concerns in developing countries. Many drugs have been identified for leishmania as targets, but the potential toxicity and long-term treatment remain the most significant problems in terms of further development. The present study employed physicochemical investigations, structure-based virtual screening, ADMET analysis, molecular dynamics simulation, and MM-PBSA, to identify potential compounds for Leishmania. We evaluated 30,926 natural products from the NPASS database, and four potentials passed the pharmacokinetic ADMET studies and were verified using the molecular docking approach. Molecular docking results showed good binding interaction of the compounds with the active site of leishmania pteridine reductase enzyme PTR1, with compound TTC1 showing FRED and Autodock binding energies of -10.33 and -10.94, respectively, which were comparable with the antileishmania drugs of Allopurinol, Miltefosine and the original ligand, methotrexate. TTC1 compound was found to be favorable for hydrophobic interaction with PTR1. In addition, the physicochemical properties of the compounds were studied using the SwissADME web server. All compounds followed Lipinski's rule of five and can be considered as good oral candidates. The analysis of the 100 ns molecular dynamics simulation results based on the best-docked TTC1 with PTR1 receptor demonstrates stable interactions, and the complex undergoes low conformational fluctuations. The average of the calculated binding free energy of the TTC1-1e7w complex is (-68.67 kJ/mol), and the result demonstrated that the TTC1 promoted stability to the Leishmania-PTR1 complex. The potential compounds can be further explored for their antileishmanial activity.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Amneh Shtaiwi
- Faculty of Pharmacy, Middle East University, Amman, Jordan
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Gul A, Halim SA, Khan A, Khan R, Xian-Dao P, Zafar S, Akbar N, Jan A, Muhsinah AB, Gojayev A, Al-Harrasi A. One pot synthesis of 5-hydroxyalkylated thiadiazine thiones: Implication in pain management and bactericidal properties. Heliyon 2024; 10:e30435. [PMID: 38765157 PMCID: PMC11098799 DOI: 10.1016/j.heliyon.2024.e30435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 04/25/2024] [Accepted: 04/25/2024] [Indexed: 05/21/2024] Open
Abstract
The synthesis of a new series of thiadiazine thiones including 5-(2-hydroxyethyl)-3-alkyl/aryl-1, 3, 5-thiadiazine-2-thiones (1-5), 5-(2-hydroxypropyl)-3-alkyl/aryl-1, 3, 5-thiadiazine-2-thiones (6-8), 3,5-dipropyl-1, 3, 5-thiadiazine-2-thione (9) and (2-(5-alkyl/aryl-6-thioxo-1, 3, 5-thiadiazine-3-yl) alkyl acetate/benzoate) (10-17) was accomplished via one pot reaction. The structures of the synthesized compounds were characterized through NMR and Mass spectrometry. The anti-nociceptive activity of compounds was performed on BALB/C mice by hot plate method, where compounds 3, 5 (50 μg/kg), and 8 (50, 100 μg/kg) exhibited significant effect (P < 0.01, P < 0.05) in latency time of 15, 30, and 60 min, while compounds 6 and 16 (100 μg/kg) exhibited significant effect (P < 0.01, P < 0.05) in latency time interval of 15 and 30 min. Compounds 1, 12-13, and 15 showed moderate activity. Among the tested hits, compounds 5 (17.3 ± 2.2), 11 (16.2 ± 2.1), and 8 (16.1 ± 2.1) showed significant anti-nociceptive potential. Molecular docking studies on the most active anti-nociceptive hits indicated that the activity might be attributed to the ability of the compounds to target μ-opioid receptor (μOR) effectively. Furthermore, compounds 14 and 11 showed anti-bacterial activity against Pseudomonas aeruginosa and MSRA with MIC of 40.97 and 54.77 μg/mL, respectively. In addition, the predicted ADMET profile of 5, 9, and 11 indicates that these molecules follow the drug-likeness criteria, and their activity can be enhanced through structural optimization.
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Affiliation(s)
- Asma Gul
- Institute of Chemical Sciences, University of Peshawar, Peshawar, 25120, Pakistan
| | - Sobia Ahsan Halim
- Natural and Medical Sciences Research Center, University of Nizwa, P. O. Box-33, Postal Code-616, Birkat Al-Mauz, Nizwa, Sultanate of Oman
| | - Ajmal Khan
- Natural and Medical Sciences Research Center, University of Nizwa, P. O. Box-33, Postal Code-616, Birkat Al-Mauz, Nizwa, Sultanate of Oman
| | - Rasool Khan
- Institute of Chemical Sciences, University of Peshawar, Peshawar, 25120, Pakistan
| | - P.A.N. Xian-Dao
- Institute of Material Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China
| | - Salman Zafar
- Institute of Chemical Sciences, University of Peshawar, Peshawar, 25120, Pakistan
| | - Noor Akbar
- National Institute for Biotechnology and Genetic Engineering (NIBGE), Faisalabad, Punjab, Pakistan
- Research Institute of Medical and Health Sciences, University of Sharjah, Sharjah, 27272, Unites Arab Emirates
| | - Afnan Jan
- Department of Biochemistry, Faculty of Medicine, Umm Al-Qura University, Makkah, Kingdom of Saudi Arabia
| | - Abdullatif Bin Muhsinah
- Department of Pharmacognosy, College of Pharmacy, King Khalid University, Abha, 62529, Kingdom of Saudi Arabia
| | - Anar Gojayev
- School of Education, General Education Program, ADA University, Ahmadbey Aghaoghlu Str. 11, Baku, AZ1008, Azerbaijan
| | - Ahmed Al-Harrasi
- Natural and Medical Sciences Research Center, University of Nizwa, P. O. Box-33, Postal Code-616, Birkat Al-Mauz, Nizwa, Sultanate of Oman
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Dotsenko VV, Bespalov AV, Sinotsko AE, Temerdashev AZ, Vasilin VK, Varzieva EA, Strelkov VD, Aksenov NA, Aksenova IV. 6-Amino-4-aryl-7-phenyl-3-(phenylimino)-4,7-dihydro-3H-[1,2]dithiolo[3,4-b]pyridine-5-carboxamides: Synthesis, Biological Activity, Quantum Chemical Studies and In Silico Docking Studies. Int J Mol Sci 2024; 25:769. [PMID: 38255843 PMCID: PMC10815501 DOI: 10.3390/ijms25020769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 12/31/2023] [Accepted: 01/05/2024] [Indexed: 01/24/2024] Open
Abstract
New [1,2]dithiolo[3,4-b]pyridine-5-carboxamides were synthesized through the reaction of dithiomalondianilide (N,N'-diphenyldithiomalondiamide) with 3-aryl-2-cyanoacrylamides or via a three-component reaction involving aromatic aldehydes, cyanoacetamide and dithiomalondianilide in the presence of morpholine. The structure of 6-amino-4-(2,4-dichloro- phenyl)-7-phenyl-3-(phenylimino)-4,7-dihydro-3H-[1,2]dithiolo[3,4-b]pyridine-5-carboxamide was confirmed using X-ray crystallography. To understand the reaction mechanism in detail, density functional theory (DFT) calculations were performed with a Grimme B97-3c composite computational scheme. The results revealed that the rate-limiting step is a cyclization process leading to the closure of the 1,4-dihydropyridine ring, with an activation barrier of 28.8 kcal/mol. Some of the dithiolo[3,4-b]pyridines exhibited moderate herbicide safening effects against 2,4-D. Additionally, ADMET (Absorption, Distribution, Metabolism, Excretion, Toxicity) parameters were calculated and molecular docking studies were performed to identify potential protein targets.
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Affiliation(s)
- Victor V. Dotsenko
- Department of Organic Chemistry and Technologies, Kuban State University, 149 Stavropolskaya St., 350040 Krasnodar, Russia; (A.V.B.); (E.A.V.)
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., 355017 Stavropol, Russia; (N.A.A.); (I.V.A.)
| | - Alexander V. Bespalov
- Department of Organic Chemistry and Technologies, Kuban State University, 149 Stavropolskaya St., 350040 Krasnodar, Russia; (A.V.B.); (E.A.V.)
| | - Anna E. Sinotsko
- Department of Organic Chemistry and Technologies, Kuban State University, 149 Stavropolskaya St., 350040 Krasnodar, Russia; (A.V.B.); (E.A.V.)
| | - Azamat Z. Temerdashev
- Department of Analytical Chemistry, Kuban State University, 149 Stavropolskaya St., 350040 Krasnodar, Russia;
| | - Vladimir K. Vasilin
- Department of Bioorganic Chemistry, Kuban State Technological University, 2 Moskovskaya St., 350072 Krasnodar, Russia
| | - Ekaterina A. Varzieva
- Department of Organic Chemistry and Technologies, Kuban State University, 149 Stavropolskaya St., 350040 Krasnodar, Russia; (A.V.B.); (E.A.V.)
| | - Vladimir D. Strelkov
- Department of Organic Chemistry and Technologies, Kuban State University, 149 Stavropolskaya St., 350040 Krasnodar, Russia; (A.V.B.); (E.A.V.)
| | - Nicolai A. Aksenov
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., 355017 Stavropol, Russia; (N.A.A.); (I.V.A.)
| | - Inna V. Aksenova
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., 355017 Stavropol, Russia; (N.A.A.); (I.V.A.)
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Habib Ullah S, Khan A, Ahsan Halim S, Khan R, Pan XD, Ullah R, Wadood A, Khalid A, Abdalla AN, Khogeer S, Al-Harrasi A. Blocking the major inflammatory pathways by newly synthesized thiadiazine derivatives via in-vivo, in-vitro and in-silico mechanism. Bioorg Chem 2023; 140:106760. [PMID: 37647806 DOI: 10.1016/j.bioorg.2023.106760] [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: 06/08/2023] [Revised: 07/18/2023] [Accepted: 07/30/2023] [Indexed: 09/01/2023]
Abstract
A series of new thiadiazine derivatives including 2-(5-alkyl/aryl-6-thioxo-1,3,5-thiadiazinan-3-yl) propanoic acids (a) and 4-methyl-2-(5-alkyl/aryl-6-thioxo-1,3,5-thiadiazinan-3-yl) pentanoic acids (b) were synthesized by reacting primary alkyl/aryl amines with CS2, followed by reaction with formaldehyde and amino acids. The chemical structures of synthesized compounds were confirmed by 13C- NMR and 1H- NMR techniques. The inhibitory potential of major inflammatory enzymes, COX-2 and 5-LOX was examined. Moreover, anti-nociceptive and anti-inflammatory activities were evaluated in the in vivo thermally induced nociceptive, and carrageenan induced paw edema models in mice. The in-vitro results reflect that these compounds exhibited concentration dependent inhibition of COX-2 and 5-LOX. The tested compounds at 50 mg/kg showed significant effect on thermally induced pain, and reduced latency time (seconds) as compared to the vehicle treated animals. Moreover, tested compounds exhibited percent inhibition of paw edema in the carrageenan induced paw edema model in mice. Furthermore, the binding modes of the most active COX-2 and 5-LOX inhibitors were determined through computational methods. The computational study reflects that the docked compounds have high binding affinities for COX-2 and 5-LOX enzymes, which leads to inhibition of these enzymes.
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Affiliation(s)
- Syed Habib Ullah
- Institute of Chemical Sciences, University of Peshawar, Peshawar-25120, Pakistan
| | - Ajmal Khan
- Natural and Medical Sciences Research Center, University of Nizwa, Nizwa, Oman
| | - Sobia Ahsan Halim
- Natural and Medical Sciences Research Center, University of Nizwa, Nizwa, Oman
| | - Rasool Khan
- Institute of Chemical Sciences, University of Peshawar, Peshawar-25120, Pakistan.
| | - Xian-Dao Pan
- Institute of Material Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, 100050, China.
| | - Rahim Ullah
- Department of Pharmacy, Faculty of Life Sciences,Sarhad University of Science and Information Technology, Peshawar, Pakistan
| | - Abdul Wadood
- Department of Biochemistry, Abdul Wali Khan University Mardan, Pakistan
| | - Asaad Khalid
- Substance Abuse and Toxicology Research Center, Jazan University, P.O. Box: 114, Jazan 45142, Saudi Arabia
| | - Ashraf N Abdalla
- Department of Pharmacology and Toxicology, College of Pharmacy, Umm Al-Qura University, Makkah 21955, Saudi Arabia
| | - Soud Khogeer
- Department of Biochemistry, Faculty of Medicine, Umm Alqura University, Makka 21955, Saudi Arabia
| | - Ahmed Al-Harrasi
- Natural and Medical Sciences Research Center, University of Nizwa, Nizwa, Oman.
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Ortiz M, Rodríguez H, Lucci E, Coro J, Pernía B, Montero-Calderon A, Tingo-Jácome FJ, Espinoza L, Spencer LM. Serological Cross-Reaction between Six Thiadiazine by Indirect ELISA Test and Their Antimicrobial Activity. Methods Protoc 2023; 6:mps6020037. [PMID: 37104019 PMCID: PMC10146945 DOI: 10.3390/mps6020037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 03/25/2023] [Accepted: 03/31/2023] [Indexed: 04/07/2023] Open
Abstract
Malaria is a parasitic infection caused by a protozoon of the genus Plasmodium, transmitted to humans by female biting mosquitoes of the genus Anopheles. Chloroquine and its derivates have caused the parasite to develop drug resistance in endemic areas. For this reason, new anti-malarial drugs as treatments are crucial. This work aimed to evaluate the humoral response. with hyper-immune sera, of mice immunized with six derivatives of tetrahydro-(2H)-1,3,5-thiadiazine-2-thione (bis-THTT) by indirect ELISA test. The cross-reactivity between the compounds as antigens and their microbial activity on Gram-positive and Gram-negative bacteria was evaluated. The results of the humoral evaluation by indirect ELISA show that three bis-THTTs react with almost all of the above. Besides, three compounds used as antigens stimulate the BALB/c mice’s immune system. The best combination of two antigens as a combined therapy displays similar absorbances between the antigens in the mixture, showing similar recognition by antibodies and their compounds. In addition, our results showed that different bis-THTT presented antimicrobial activity on Gram-positive bacteria, mainly on Staphylococcus aureus strains, and no inhibitory activity was observed on the Gram-negative bacteria tested.
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Affiliation(s)
- Mishell Ortiz
- School of Biological Sciences and Engineering, Yachay Tech University, San Miguel de Urcuquí 100119, Ecuador
| | - Hortensia Rodríguez
- School of Chemical Sciences and Engineering, Yachay Tech University, San Miguel de Urcuquí 100119, Ecuador
| | - Elisabetta Lucci
- Departamento de Tecnología de Procesos Biológicos y Bioquímicos, Universidad Simón Bolívar, Caracas 89000, Venezuela
| | - Julieta Coro
- Laboratory of Chemical and Biomolecular Synthesis, Faculty of Chemistry, Habana University, Habana 10400, Cuba
| | - Beatriz Pernía
- Faculty of Natural Sciences, University of Guayaquil, Av. Raúl Gómez Lince s/n y Av. Juan Tanca Marengo, Guayaquil 090150, Ecuador
| | - Abigail Montero-Calderon
- School of Agricultural and Agro-Industrial Sciences, Yachay Tech University, San Miguel de Urcuquí 100119, Ecuador
| | | | - Leslie Espinoza
- School of Biological Sciences and Engineering, Yachay Tech University, San Miguel de Urcuquí 100119, Ecuador
| | - Lilian M. Spencer
- School of Biological Sciences and Engineering, Yachay Tech University, San Miguel de Urcuquí 100119, Ecuador
- Cell Biology Department, Simón Bolívar University, Valle de Sartenejas, Caracas 89000, Venezuela
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Marques CS, Carreiro EP, Teixeira APS. Multicomponent Synthesis of Heterocycles. HETEROCYCLES 2022. [DOI: 10.1002/9783527832002.ch7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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7
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Raheem S, Khan R, Pan X, Ullah R, Ahsan Halim S, Khan A, Al-Harrasi A. One pot domino synthesis of new 3,5-disubstituted-tetrahydro-2H-1,3,5-thiadiazine-2-thiones (THTTs) as anti-inflammatory and antinociceptive candidates: A proof from in-vivo to in-vitro and in-silico mechanistic studies. Bioorg Chem 2022; 127:105974. [DOI: 10.1016/j.bioorg.2022.105974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Revised: 06/06/2022] [Accepted: 06/14/2022] [Indexed: 11/29/2022]
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Rahman K, Ali G, Khan R, Khan I, Ali I, Mosa OF, Ahmed A, Ayaz M, Nawaz A, Murthy HCA. Analagesic and Anti-Inflammatory Potentials of a Less Ulcerogenic Thiadiazinethione Derivative in Animal Models: Biochemical and Histochemical Correlates. Drug Des Devel Ther 2022; 16:1143-1157. [PMID: 35478935 PMCID: PMC9037714 DOI: 10.2147/dddt.s354779] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Accepted: 03/31/2022] [Indexed: 12/19/2022] Open
Abstract
Purpose Gastric ulcer induced by NSAIDs is the major medical concern and researchers are utilizing several approaches to combat this medical issue. In the current study, we investigated the efficacy of thiadiazinethione derivative (2,2’(2-thioxo-1,3,5-thiadiazinane-3,5-diyl) diacetic acid, as new less ulcerogenic compound. Methods 2,2’(2-thioxo-1,3,5-thiadiazinane-3,5-diyl) diacetic acid was evaluated using standard animal models including hot plate, writhing test and formalin induced nociceptive models. Anti-inflammatory activity was assessed via carrageenan-induced paw oedema model. Involvement of opioidergic nociceptive mechanism was confirmed via naloxone administration in hot plat assay. The gastro-ulcerogenic potential of test and standard compounds were evaluated via NSAID-induced pyloric ligation model followed by standard histopathological and biochemical analysis. Results In acetic acid-induced writhing test, our compound significantly reduced abdominal constrictions at the tested doses of 15 (p < 0.05), 30 (p < 0.01) and 45 mg kg−1 (p < 0.001) as compared to control (p < 0.001). In hot plate test, after 30 min of administration, our test compound showed significant anti-nociceptive potential (p < 0.05 at 15 and 30 mg kg−1 and p < 0.01 at 45 mg kg−1) and tramadol (p ˂ 0.001) at 30 mg kg−1 dose. After 60 min tramadol (30 kg−1) and test sample (30, 45 mg kg−1) exhibited significant anti-nociceptive activity p < 0.001. In Formalin-induced nociceptive response, a significant decline (p ˂ 0.001) was observed for aspirin and test compound during acute and chronic phases. Decline in the anti-nociceptive potential of tramadol and test sample via administration of naloxone indicate the involvement of opioidergic mechanism. Our compound exhibited significant anti-inflammatory activity in second phase of carrageenan induced paw oedema model. Histological and biochemical parameters exhibited less ulcerogenic potential as compared to aspirin. Conclusion Our findings suggests that our test compound has desirable anti-nociceptive and anti-inflammatory potentials with less propensity to cause gastric ulcer.
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Affiliation(s)
- Khista Rahman
- Department of Pharmacy, University of Peshawar, Peshawar, Pakistan
| | - Gowhar Ali
- Department of Pharmacy, University of Peshawar, Peshawar, Pakistan.,The Ken and Ruth Davee Department of Neurology, Department of Neurology and Clinical Neurosciences, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Rasool Khan
- Institute of Chemistry Sciences, University of Peshawar, Peshawar, Pakistan
| | - Imad Khan
- Institute of Chemistry Sciences, University of Peshawar, Peshawar, Pakistan
| | - Izaz Ali
- Department of Pharmacy, University of Peshawar, Peshawar, Pakistan
| | - Osama F Mosa
- Public Health Department,Health Sciences College at Lieth, Umm Al Qura University, Makkah, Kingdom of Saudi Arabia.,Biochemistry Department Bukhara State Medical Institute named after Abu Ali ibn Sino, Bukhara, Uzbekistan
| | - Alshebli Ahmed
- Public Health Department,Health Sciences College at Lieth, Umm Al Qura University, Makkah, Kingdom of Saudi Arabia.,University of Khartoum, Faculty of Public and environmental Health, Khartoum, Sudan
| | - Muhammad Ayaz
- Department of Pharmacy, Faculty of Biological Sciences, University of Malakand, Chakdara, 18000, Dir (L), KP, Pakistan
| | - Asif Nawaz
- Department of Pharmacy, Faculty of Biological Sciences, University of Malakand, Chakdara, 18000, Dir (L), KP, Pakistan
| | - H C Ananda Murthy
- Department of Applied Chemistry, School of Applied Natural Science, Adama Science and Technology University, Adama, Ethiopia
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Hashim J, Arshad N, Yaseen M, Khan R, Iqbal T, Zehra Hamid S, Kanwal A, Safi I, Ullah I. 3,5-Disubstituted Tetrahydro-2H-1,3,5-thiadiazine-thiones Ester Derivatives and Their Antimicrobial Evaluation. HETEROCYCLES 2021. [DOI: 10.3987/com-20-14402] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Dotsenko VV, Chigorina EA, Krivokolysko SG. N-Hydroxymethylation of 3-Aryl-2-cyanoprop-2-enethioamides. RUSS J GEN CHEM+ 2020. [DOI: 10.1134/s107036322008006x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Dotsenko VV, Krivokolysko SG, Chigorina EA. Reaction of Ethoxymethylenemalonate with Cyanothioacetamide in the Presence of Triethylamine: Formation of 1,5-Diamino-2,4-dicyano-5-thioxopenta-1,3-diene-1-thiolate and Unexpected Aminomethylation Result. RUSS J GEN CHEM+ 2020. [DOI: 10.1134/s1070363220040052] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Dotsenko VV, Frolov KA, Chigorina EA, Khrustaleva AN, Bibik EY, Krivokolysko SG. New possibilities of the Mannich reaction in the synthesis of N-, S,N-, and Se,N-heterocycles. Russ Chem Bull 2019. [DOI: 10.1007/s11172-019-2476-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Echemendía R, Rabêlo WF, López ER, Coro J, Suárez M, Paixão MW, Rivera DG. A bidirectional access to novel thiadiazine hybrid molecules by double multicomponent reactions. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2018.09.070] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Echemendía R, Fernández O, Coro J, Suárez M, Rivera DG. A versatile approach to hybrid thiadiazine-based molecules by the Ugi four-component reaction. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.03.075] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Mousavifaraz S, Nadealian Z, Mirkhani V, Rahmati A. [Bmim]5[PNiW11O39]·3H2O an organic–inorganic hybrid as catalyst for one-pot pseudo-five-component synthesis of tetrazolyldiazepines. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2017. [DOI: 10.1007/s13738-017-1116-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Byrd KM. Diastereoselective and enantioselective conjugate addition reactions utilizing α,β-unsaturated amides and lactams. Beilstein J Org Chem 2015; 11:530-62. [PMID: 25977728 PMCID: PMC4419509 DOI: 10.3762/bjoc.11.60] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2015] [Accepted: 04/01/2015] [Indexed: 12/19/2022] Open
Abstract
The conjugate addition reaction has been a useful tool in the formation of carbon-carbon bonds. The utility of this reaction has been demonstrated in the synthesis of many natural products, materials, and pharmacological agents. In the last three decades, there has been a significant increase in the development of asymmetric variants of this reaction. Unfortunately, conjugate addition reactions using α,β-unsaturated amides and lactams remain underdeveloped due to their inherently low reactivity. This review highlights the work that has been done on both diastereoselective and enantioselective conjugate addition reactions utilizing α,β-unsaturated amides and lactams.
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Affiliation(s)
- Katherine M Byrd
- Department of Medicinal Chemistry, University of Kansas, 1251 Wescoe Hall Drive Lawrence, Kansas 66045-7582, USA
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Rakhimova EB, Ismagilov RA, Zainullin RA, Ibragimov AG, Dzhemilev UM. New methods for the synthesis of α,ω-bis-1,5,3-dithiazepanes on the basis of aliphatic α,ω-diamines. Chem Heterocycl Compd (N Y) 2013. [DOI: 10.1007/s10593-013-1368-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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