Results 1 to 10 of about 9,399 (254)

Tetrahydro-1,4-thiazine-3,5-dione [PDF]

open access: goldMolbank, 2018
The X-ray structure of the title compound contains eight molecules in the unit cell which form the basis of a herringbone arrangement of hydrogen bonded ribbons.
R. Alan Aitken   +2 more
doaj   +6 more sources

Carbene-Catalyzed Atroposelective Annulation for Quick Access to Axially Chiral Thiazine Derivatives [PDF]

open access: yesMolecules, 2023
An N-heterocyclic carbene (NHC)-catalyzed atroposelective annulation reaction is disclosed for quick and efficient access to thiazine derivatives. A series of axially chiral thiazine derivatives bearing various substituents and substitution patterns were
Xiaoqun Yang   +7 more
doaj   +2 more sources

Synthesis A New Bis Oxazine and Thiazine Derivatives and Study Their Biological Activities

open access: diamondAl-Mustansiriyah Journal of Pharmaceutical Sciences, 2023
Oxazine and thiazine are heterocyclic organic compounds that have a wide range of pharmacological applications. In this study, some chalcone derivatives (1–5) were synthesized based on the reaction of an equal amount of p-substituted acetophenone and ...
Dina Saleem M. Ameen
doaj   +3 more sources

Design and thermal imidization of new 1,3-thiazine-based polyimides and copolyimides for high-performance corrosion inhibition [PDF]

open access: yesScientific Reports
A new polyimide, poly(1,3-thiazine imide) (PTzI), together with two co-polyimides (CoPTz-DsI and CoPTz-HaI), were synthesized from the monomer named 4,4’-(1,4-phenylene)bis(6-(benzene-2-yl)-6 H-1,3-thiazine-2-amine) (PTA), which has a di-1,3-thiazine ...
Marwa M. Sayed   +4 more
doaj   +2 more sources

A rapid and effective catalytic pathway for the synthesis of thiazine derivatives employing Zno nanoparticles

open access: goldEnvironment Conservation Journal
A sustainable approach has been successfully developed for the synthesis of thiazine derivatives, utilizing an efficient catalytic method. ZnO nanoparticles have demonstrated remarkable catalytic prowess, offering cost-effectiveness, heightened yields ...
Raksha Parag Dhankar   +2 more
doaj   +3 more sources

Investigating the antiparasitic potential of the marine sesquiterpene avarone, its reduced form avarol, and the novel semisynthetic thiazinoquinone analogue thiazoavarone [PDF]

open access: yes, 2020
The chemical analysis of the sponge Dysidea avara afforded the known sesquiterpene quinone avarone, along with its reduced form avarol. To further explore the role of the thiazinoquinone scaffold as an antiplasmodial, antileishmanial and antischistosomal
AIELLO, ANNA   +13 more
core   +1 more source

Crystal structure and Hirshfeld surface analysis of a pyrrolo-thiazine complex

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2021
In the title compound, diethyl 2,2-dioxo-4-(thiophen-2-yl)-1-[(thiophen-2-yl)methyl]-3,4,6,7,8,8a-hexahydro-1H-pyrrolo[2,1-c][1,4]thiazine-1,3-dicarboxylate, C22H28NO6S3, the pyrrolo ring is in an envelope conformation while the thiazine ring adopts a ...
R. Sribala   +4 more
doaj   +1 more source

Antiplasmodial activity of p-substituted benzyl thiazinoquinone derivatives and their potential against parasitic infections [PDF]

open access: yes, 2020
Malaria is a life-threatening disease and, what is more, the resistance to available antimalarial drugs is a recurring problem. The resistance of Plasmodium falciparum malaria parasites to previous generations of medicines has undermined malaria control ...
Basilico, Nicoletta   +6 more
core   +2 more sources

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

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