Results 11 to 20 of about 4,962 (222)

S,N-Heteropentacenes – Syntheses of Electron-Rich Anellated Pentacycles

open access: yesOrganic 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   +1 more
doaj   +1 more source

Synthesis and Chemical Characterization of Some NovelAzachalcones compounds and Evaluation of their Biological Activity [PDF]

open access: yesمجلة 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
doaj   +1 more source

Design, Synthesis and Anticancer Activity of New Polycyclic: Imidazole, Thiazine, Oxathiine, Pyrrolo-Quinoxaline and Thienotriazolopyrimidine Derivatives

open access: yesMolecules, 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   +2 more
doaj   +1 more source

1,3-Thiazine, 1,2,3,4-Dithiadiazole, and Thiohydrazide Derivatives Affect Lipid Bilayer Properties and Ion-Permeable Pores Induced by Antifungals

open access: yesFrontiers 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   +5 more
doaj   +1 more source

1,2,3-Triazole-4(5)-amines – Convenient Synthetic Blocks for the Construction of Triazolo-Annulated Heterocycles

open access: yesЖурнал 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   +3 more
doaj   +1 more source

Synthesis of imidazo[4,5-e][1,3]thiazino[2,3-c][1,2,4]triazines via a base-induced rearrangement of functionalized imidazo[4,5-e]thiazolo[2,3-c][1,2,4]triazines

open access: yesBeilstein Journal of Organic Chemistry, 2023
A series of imidazo[4,5-e][1,3]thiazino[2,3-c][1,2,4]triazines was synthesized via a cascade sequence of hydrolysis and skeletal rearrangement of imidazo[4,5-e]thiazolo[2,3-c][1,2,4]triazin-7(8H)-ylidene)acetic acid esters in methanol upon treatment with
Dmitry B. Vinogradov   +4 more
doaj   +1 more source

Molar ratios of therapeutic water-soluble phenothiazine⋅water-insoluble phospholipid adducts reveal a Fibonacci correlation and a putative link for structure–activity relationships [PDF]

open access: yes, 2015
The fact that non-antibiotics can sensitise microorganisms for antibiotic treatment suggests that these molecules have valuable potential to treat multiple drug resistance.
Fey, S. J.   +3 more
core   +1 more source

Stereoselective Synthesis and Cytoselective Toxicity of Monoterpene-Fused 2-Imino-1,3-thiazines

open access: yesMolecules, 2014
Starting from pinane-, apopinane- and carane-based 1,3-amino alcohols obtained from monoterpene-based β-amino acids, a library of monoterpene-fused 2-imino-1,3-thiazines as main products and 2-thioxo-1,3-oxazines as side-products were prepared via two ...
Zsolt Szakonyi   +3 more
doaj   +1 more source

Doença de Fabry - importância do rastreamento em córnea verticilata: relato de caso [PDF]

open access: yes, 2011
Fabry disease is an X-linked disease of glycosphingolipid (GL) metabolism. The accumulation of GL in tissues can affect multiple organ systems. Initial symptoms includes episodes of severe pain in the extremities, cornea verticillata and skin lesions. In
Arantes, Tiago Eugênio Faria e   +2 more
core   +2 more sources

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