Results 1 to 10 of about 1,925 (186)

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
doaj   +2 more sources

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
doaj   +2 more sources

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

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

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

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

2,3-Dihydro-5H-imidazo [2,1-b][1,3]thiazin-5-one

Molbank
Imidazo [2,1-b][1,3]thiazines and their fused analogues are an important class of nitrogen- and sulfur-containing heterocycles that exhibit a wide range of biological activities.
Nataliia Slyvka, Lesya Saliyeva, Dmytro Khylyuk, Serhii Holota, Mykhailo Vovk   +4 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

Zur Kenntniss der Thiazine [PDF]

Berichte der deutschen chemischen Gesellschaft, 1906
n ...
Gnehm, R., Kaufler, F.
openaire   +1 more source