Results 21 to 30 of about 1,206 (138)

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

Beilstein 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, Alexei N. Izmest’ev, Angelina N. Kravchenko, Yuri A. Strelenko, Galina A. Gazieva   +4 more
doaj   +1 more source

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

Molecules, 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, István Zupkó, Reijo Sillanpää, Ferenc Fülöp   +3 more
doaj   +1 more source

Bioactive Thiazine and Benzothiazine Derivatives: Green Synthesis Methods and Their Medicinal Importance

Molecules, 2016
Thiazines are a group of heterocyclic organic compounds that are still largely unexplored for their pharmacological activities. There are different available methods for the synthesis of thiazine derivatives in the literature.
Syed Lal Badshah, Abdul Naeem
doaj   +1 more source

Facile Synthesis of Some Novel Pyrido[3', 2': 4, 5]thieno[2,3-b][1,4]thiazine-8-carboxylic Acids

Molecules, 2007
Model tetrahydropyrido[3',2':4,5]thieno[2,3-b][1,4]thiazines 9a-c were synthesized via reductive lactamization, using sodium dithionite, of the respective 2-[(carboxyalkyl)thio]-3-nitro-4,7-dihydrothieno[2,3-b]pyridine-5-carboxylic acids 7a-c. The latter
Salim S Sabri, Jalal A Zahra, Mustafa M El-Abadelah, Mohammed H Al-Huniti, Arnd Ingendoh   +4 more
doaj   +1 more source

Methyl (1aRS,7aSR)-7-formyl-1a-phenyl-1,1a-dihydroazirino[2,3-b]benzo[e][1,4]thiazine-7a(7H)-carboxylate

Molbank
The first representative of the aziridine-fused benzo[e][1,4]thiazine series was synthesized from methyl 2-bromo-2-phenyl-2H-azirine-2-carboxylate and benzo[d]thiazole in 74% yield.
Ilya P. Filippov, Anastasiya V. Agafonova, Nikolai V. Rostovskii, Mikhail S. Novikov   +3 more
doaj   +1 more source

On the functionalization of benzo[e][2,1]thiazine [PDF]

Beilstein Journal of Organic Chemistry, 2009
The reactions of benzo[e][2,1]thiazine-4-chloro-3-carbaldehydes1and benzo[e][2,1]thiazine-4-chloro-3-carbonitriles2with a number of oxidizing and reducing agents are reported. A number of new, highly functionalized benzo[e][2,1]thiazine derivatives having potential biological activity were synthesized and described.
Kirill Popov, Tatyana Volovnenko, Julian Volovenko   +2 more
openaire   +3 more sources

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

Environment 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, Varsha Vitthalrao Bankar , Manisha Shankar Aswale   +2 more
doaj   +1 more source

Comparison of dye (oxazine and thiazine) materials as a photosensitizer for use in photogalvanic cells based on molecular interaction with sodium dodecyl sulphate by spectral study

Journal of Saudi Chemical Society, 2018
The photochemistry of dye is playing a significant role for understanding the mechanism of electron transfer reactions in photoelectrochemical devices such as photogalvanic cells, DSSC, semiconductor photo-catalysis, photoconductors, etc.
Chandrakanta Mall, Shachi Tiwari, Prem Prakash Solanki   +2 more
doaj   +1 more source

Design, evaluation, cytotoxic activity, molecular docking, ADMET analysis, and dynamic simulations and the preparation of new isoxazoles, thiazoles, 1,3-thiazines, and thiazolopyrimidines derived from quinoline-pyridopyrimidines

Pharmaceutical Biology
Context Quinoline, isoxazole, and pyridothiazolopyrimidinone derivatives are novel compounds with significant biological activity, exhibiting anticancer properties and holding promising therapeutic applications.Objective This investigation synthesized ...
Ameen A. Abu-Hashem, Nasser Amri, Ahmed F. El-Sayed   +2 more
doaj   +1 more source

Gold-Catalyzed 1,3-Thiazine Formation and Uncommon Tautomer Isolation. [PDF]

J Org Chem, 2022
Canudo-Barreras G, Salvador D, Herrera RP, Gimeno MC.   +3 more
europepmc   +1 more source