Results 11 to 20 of about 1,206 (138)

Antiproliferative Activity of (−)‐Isopulegol‐based 1,3‐Oxazine, 1,3‐Thiazine and 2,4‐Diaminopyrimidine Derivatives [PDF]

ChemistryOpen, 2022
A series of novel heterocyclic structures, namely 1,3‐oxazines, 1,3‐thiazines and 2,4‐diaminopyrimidines, were designed and synthesised. The bioassay tests demonstrated that, among these analogues, 2,4‐diaminopyridine derivatives showed significant ...
Fatima Z. Bamou, Dr. Tam M. Le, Bizhar A. Tayeb, Seyyed A. S. Tahaei, Dr. Renáta Minorics, Prof. Dr. István Zupkó, Prof. Dr. Zsolt Szakonyi   +6 more
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Green Synthesis of 2-Mercapto 5,6-Dihydro-4H-1,3-Thiazines via Sequential C–S Couplings [PDF]

Molecules
The six-membered N,S-heterocyclic 1,3-thiazines and their derivatives are widely acknowledged as pharmaceutical molecules with a wide range of biological activities.
Wenjie Liu, Shuo Wang, Li Pan, Xiaojing Bi, Enxue Shi   +4 more
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Dithieno[1,4]thiazines and Bis[1]benzothieno[1,4]thiazines—Organometallic Synthesis and Functionalization of Electron Density Enriched Congeners of Phenothiazine [PDF]

Molecules, 2020
This mini-review summarizes the syntheses and functionalizations of dithieno[1,4]thiazines and bis[1]benzothieno[1,4]thiazines, both electron density-enriched congeners of phenothiazines with remarkable electronic properties.
Lars May, Thomas J. J. Müller
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Synthesis, characterization, and DFT study of a novel pyrido[2',3':4,5]pyrimido[2,1-b][1,3]thiazines via Michael addition and intramolecular cyclization [PDF]

BMC Chemistry
Two novel series of pyrido[2',3':4,5]pyrimido[2,1-b][1,3]thiazine-3-carbonitriles and ethyl pyrido[2',3':4,5]pyrimido[2,1-b][1,3]thiazine-3-carboxylates were synthesized from a key intermediate 2-thioxo-2,3-dihydropyrido[2,3-d]pyrimidin-4(1H)-one via its
Bader Huwaimel, Sobhi M. Gomha, Manal S. Ebaid, Amr S. Abouzied, Sayed M. Riyadh, Mohamed S. M. Ahmed, Magdi E. A. Zaki, Sami A. Al-Hussain, Wesam M. Hussein, Ahmed A. M. El-Reedy   +9 more
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S,N-Heteropentacenes – Syntheses of Electron-Rich Anellated Pentacycles

Organic Materials, 2021
This review summarizes syntheses of S,N-heteropentacenes, i.e. electron-rich sulfur and nitrogen-embedding pentacycles, and briefly highlights selected applications in molecular electronics. Depending on the anellation mode and the number of incorporated
Henning R. V. Berens, Thomas J. J. Müller   +1 more
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Synthetic Approach to Diversified Imidazo[2,1-b][1,3]thiazines and Its Evaluation as Non-Steroidal Anti-Inflammatory Agents †

Chemistry Proceedings, 2021
The present work is devoted to the synthesis of imidazo[2,1-b][1,3]thiazine derivatives as possible anti-inflammatory agents. The synthetic approach to (2-pyridinyloxy) substituted imidazo[2,1-b][1,3]thiazines based on the interaction of the ...
Nataliia Slyvka, Serhii Holota, Lesya Saliyeva, Mykhailo Vovk   +3 more
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Synthesis and Chemical Characterization of Some NovelAzachalcones compounds and Evaluation of their Biological Activity [PDF]

مجلة جامعة الانبار للعلوم الصرفة, 2012
: A series of novel Azachalcone compounds were prepared by the reaction of 3-acetyl pyridine with different aromatic aldehyd . Azachalcone was reacted with thiourea to give good yields of thiazines , all the new compounds were characterized by I.R , U.V ...
Mohammed Abed Kadhim
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Design, Synthesis and Anticancer Activity of New Polycyclic: Imidazole, Thiazine, Oxathiine, Pyrrolo-Quinoxaline and Thienotriazolopyrimidine Derivatives

Molecules, 2021
In this article, we showed the synthesis of new polycyclic aromatic compounds, such as thienotriazolopyrimidinones, N-(thienotriazolopyrimidine) acetamide, 2-mercapto-thienotriazolo-pyrimidinones, 2-(((thieno-triazolopyrimidine) methyl) thio) thieno ...
Ameen Ali Abu-Hashem, Sami A. Al-Hussain, Magdi E. A. Zaki   +2 more
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1,2,3-Triazole-4(5)-amines – Convenient Synthetic Blocks for the Construction of Triazolo-Annulated Heterocycles

Журнал органічної та фармацевтичної хімії, 2022
Aim. To analyze and summarize the synthetic potential of 1,2,3-triazole-4(5)-amines as efficient building blocks in the synthesis of triazolo-annulated pyridine, azine and azepine systems. Results and discussion.
Natalia O. Syrota, Sergiy V. Kemskiy, Lesya M. Saliyeva, Mykhailo V. Vovk   +3 more
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1,3-Thiazine, 1,2,3,4-Dithiadiazole, and Thiohydrazide Derivatives Affect Lipid Bilayer Properties and Ion-Permeable Pores Induced by Antifungals

Frontiers in Cell and Developmental Biology, 2020
Over the past decade, thiazines, thiadiazoles, and thiohydrazides have attracted increasing attention due to their sedative, antimicrobial, antiviral, antifungal, and antitumor activities.
Anastasiia A. Zakharova, Svetlana S. Efimova, Valeriy N. Yuskovets, Igor P. Yakovlev, Zara M. Sarkisyan, Olga S. Ostroumova   +5 more
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