Results 61 to 70 of about 2,922 (181)

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

2-{(E)-[(2Z)-(3-Chloro-1-methyl-2,2-dioxo-3,4-dihydro-1H-2,1-benzothiazin-4-ylidene)hydrazinylidene]methyl}phenol

Acta Crystallographica Section E, 2012
In the title compound, C16H14ClN3O3S, the thiazine ring adopts a sofa (half-chair) conformation, with an r.m.s. deviation from the mean plane of 0.23 Å.
Muhammad Shafiq, Islam Ullah Khan, Muhammad Zia-ur-Rehman, Muhammad Nadeem Arshad, Abdullah M. Asiri   +4 more
doaj   +1 more source

Spontaneous resolution and crystal structure of (2S)-2-(3-nitrophenyl)-3-phenyl-2,3,5,6-tetrahydro-4H-1,3-thiazin-4-one; crystal structure of rac-2-(4-nitrophenyl)-3-phenyl-2,3,5,6-tetrahydro-4H-1,3-thiazin-4-one

Acta Crystallographica Section E: Crystallographic Communications, 2018
The crystal structures of isomeric rac-2-(4-nitrophenyl)-3-phenyl-2,3,5,6-tetrahydro-4H-1,3-thiazin-4-one (C16H14N2O3S) (1) and (2S)-2-(3-nitrophenyl)-3-phenyl-2,3,5,6-tetrahydro-4H-1,3-thiazin-4-one (C16H14N2O3S) (2) are reported here.
Hemant P. Yennawar, Heather G. Bradley, Kristen C. Perhonitch, Haley E. Reppert, Lee J. Silverberg   +4 more
doaj   +1 more source

N-[(2Z,4Z)-4-Benzylidene-6-chloro-1,4-dihydropyrido[2,3-d][1,3]thiazin-2-ylidene]benzamide

Acta Crystallographica Section E, 2012
In the crystal structure of the title compound, C21H14ClN3OS, molecules assemble into inversion dimers via pairs of N—H...N hydrogen bonds involving the N—H hydrogen of the thiazine ring and the N atom of the pyridine ring. There is a
Manuel A. Fernandes, Demetrius C. Levendis, David H. Reid   +2 more
doaj   +1 more source

Methyl 2-methyl-4-(oxiran-2-ylmethoxy)-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

Acta Crystallographica Section E, 2010
In the title compound, C14H15NO6S, the thiazine ring adopts a distorted half-chair conformation. The structure displays several cooperative weak intermolecular C—H...O hydrogen-bonding interactions, giving rise to a two-dimensional sheet ...
Matloob Ahmad, Hamid Latif Siddiqui, Muhammad Zia-ur-Rehman, Mark R. J. Elsegood, George W. Weaver   +4 more
doaj   +1 more source

On the significant influence of water on the formation mechanisms of 5-acetyl-3,4-dihydro-2H-1,4-thiazine

Czech Journal of Food Sciences, 2004
The formation of 5-acetyl-3,4-dihydro-2H-1,4-thiazine in Maillard-type reactions of fructose with cysteamine under dry heating and cooking conditions was studied.
W. Engel, P. Schieberle
doaj   +1 more source

Methyl 4-acetoxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide

Acta Crystallographica Section E, 2008
In the title compound, C13H13NO6S, the thiazine ring adopts a distorted half-chair conformation. Each molecule is linked to its neighbour through intermolecular C—H...O hydrogen bonds.
Graham John Tizzard, Muhammad Irfan Ashiq, Saeed Ahmad, Hamid Latif Siddiqui, Matloob Ahmad   +4 more
doaj   +1 more source

3-Chloro-4-[2-(4-chlorobenzylidene)hydrazinylidene]-1-methyl-3,4-dihydro-1H-2λ6,1-benzothiazine-2,2-dione

Acta Crystallographica Section E, 2013
In the title compound, C16H13Cl2N3O2S, the dihedral angle between the aromatic rings is 6.62 (2)° and the C=N—N=C torsion angle is 176.2 (4)°.
William T. A. Harrison, M. Nawaz Tahir, Muhammad Shafiq, Saeed Ahmad, Islam Ullah Khan   +4 more
doaj   +1 more source

Radioprotective Potency of Thiazine and Thiazole Derivatives [PDF]

Journal of Radiation Research, 1974
Y, Takagi, M, Shikita, S, Akaboshi
openaire   +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 Chem
Huwaimel B, Gomha SM, Ebaid MS, Abouzied AS, Riyadh SM, Ahmed MSM, Zaki MEA, Al-Hussain SA, Hussein WM, El-Reedy AAM.   +9 more
europepmc   +1 more source