Results 91 to 100 of about 4,651 (214)

Radical cation and dication of a 4H-dithieno[2,3-b:3′,2′-e][1,4]-thiazine

, 2017
4H-Dithieno[2,3-b:3’,2’-e][1,4]-thiazine (DTT), and its radical cation and dication were synthesized, characterized (EPR spectroscopy and spectroelectrochemistry) and interpreted (DFT and TD DFT calculations).
Guido J. Reiss, Thomas J. J. Müller, Andreas Neidlinger, Walter Frank, Arno Schneeweis, Katja Heinze   +5 more
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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

SYNTHESIS OF SUBSTITUTED BIS-THIAZINE DERIVATIVES OF IMINE COMPOUNDS AND ITS CHARACTERIZATION

, 2017
The target compound bis-thiazine derivatives of imine were synthesized via three stages of chemical reaction. In a stage 1, a number of substituted chalcone derivatives were prepared by condensing with substituted aldehyde and acetophenone in the ...
M. Ganapathi, A. Ravi, R. Suganya
core   +1 more source

The synthesis of pyrrolo[1,2,b][1,2,5]benzothiadiazepines from 1,2-thiazine 1-oxides-sulfonamide analogues of the pyrrolobenzodiazepine antitumour natural products

, 2004
Pyrrolo[2,1-c][1,4]benzodiazepines (PBDs) and the corresponding pyrrolobenzothiadiazepines (PBTDs) are attractive targets as natural and synthetic antitumour antibiotics and as non-nucleosidic reverse transcriptase inhibitors.
Patel, N., Hemming, Karl, Patel, Nilesh
core   +1 more source

(3R,5R)-TETRAHYDRO-2H-1,4-THIAZINE-3,5-DICARBOXYLIC ACID MONOHYDRATE

, 1993
(3R,5R)-Tetrahydro-2H-1,4-thiazine-3,5-dicarboxylic acid monohydrate, which is in the zwitterionic form in the crystal, shows a puckered chair conformation of the six-membered ring with S(1) and N(4) out of the C(2), C(3), C(5), C(6) mean plane by 0.972 ...
PORTALONE G, ZECCHINI, GP, I, TORRINI, CASSETTA A   +5 more
core   +1 more source

Enantioselective [3 + 2] cycloaddition and rearrangement of thiazolium salts to synthesize thiazole and 1,4-thiazine derivatives

, 2018
A highly efficient catalytic asymmetric [3 + 2] cycloaddition/rearrangement cascade of thiazolium N-ylides with various electron-deficient 2-π components was achieved, providing a convenient method to access hydropyrrolo-thiazole and hydropyrrolo ...
Dong Zhang, Lili Lin, Jianlin Zhang, Xiaohua Liu, Xiaoming Feng, Xiying Zhang   +5 more
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Synthesis, Characterization, and Investigation of Biological Effects of Some New 1,2-Thiazine Derivatives

Zanco Journal of Pure and Applied Sciences
Nanomaterials and their applications hold a promise for widespread use in agriculture, medicine, and industry. This research article explores the synthesis of some new 1,2-thiazine derivatives, highlighting their potential as antibacterial agents.
Akram Noori Mohammed Qaddo, Nabaz Abdulmajeed Muhammad Salih, Faeza Burhan Omar, Goran Muhammad Khidr, Jameel Zkri Ali, Kaiwan Sleman Abdulla, Muhamad amin Abdulla Muhamadamin, Mzhda Tariq Smael, Abdulla Qasim   +8 more
doaj   +1 more source

Synthesis of 2--aryl--tetrahydro--3--methyl--4--H--1,3--thiazine--4--one--1,1--dioxides and chloromrthylation of p--dichloro-benzene [PDF]

, 1966
Extensive background material and experimentation on the synthesis of 2--aryl--tetrahydro--3--methyl--4--H--1,3--thiazine--4--one--1,1--dioxides and chloromrthylation of p--dichloro ...
Downer, Robert Nye
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Direct Formation of Ring-Fused 1,3-Thiazine-2,4-dithiones from Aromatic o-Amino Carboxylic Acids: Observation of a Carbon Disulfide Mediated Thionation

, 2016
A facile synthesis of 2H-3,1-benzothiazine-2,4(1H)-dithiones (trithioisatoic anhydrides) or 2H-naphtho[2,3-d][1,3]thiazine-2,4(1H)-dithione solely from anthranilic acids or 3-amino-2-naphthoic acid and carbon disulfide, performed at room temperature in 1,
Philipp A. Ottersbach (1734865), Paul W. Elsinghorst (1576528), Michael Gütschow (1338576), Hans-Georg Häcker (2239285)   +3 more
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Three-dimensional structures of some perhydro-1,4-thiazine derivatives [PDF]

, 1974
A number of perhydro-1,4-thiazine S-oxides and S,S-dioxides were synthesized. Their IR and PMR spectra were studied, and their dipole moments were determined.
Arbuzov B., Butenko G., Klimovitskii E., Remizov A.   +3 more
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