Results 21 to 30 of about 1,566 (134)

Acenaphtho[5,6-cd]1,2,6-thiadiazine

open access: yesTetrahedron Letters, 1968
P. Flowerday, M.J. Perkins
openaire   +2 more sources

1,2,6-Thiadiazine 1-Oxides : Unsaturated Three-Dimensional S,N-Heterocycles from Sulfonimidamides

open access: yes, 2020
Unprecedented three-dimensional 1,2,6-thiadiazine 1-oxides have been prepared by an aza-Michael-addition/cyclization/condensation reaction sequence starting from sulfonimidamides and propargyl ketones.
Wolter, Nadja Anna   +5 more
core   +2 more sources

3-Chloro-5-(3-n-hexylthien-2-yl)-4H-1,2,6-thiadiazin-4-one

open access: yesMolbank, 2019
Stille coupling of 5-chloro-4-oxo-4H-1,2,6-thiadiazin-3-yl trifluoromethanesulfonate (7) with tributyl(3-n-hexylthien-2-yl)stannane and Pd(Ph3P)2Cl2 in PhMe at ca. 20 °C, for 24 h gave 3-chloro-5-(3-n-hexylthien-2-yl)-4H-1,2,6-thiadiazin-4-one (9) with a
Andreas S. Kalogirou   +1 more
doaj   +1 more source

5,5′-Thiobis(3-methoxy-4H-1,2,6-thiadiazin-4-one)

open access: yesMolbank, 2019
The reaction of 3-chloro-5-methoxy-4H-1,2,6-thiadiazin-4-one (9) with Na2S·9H2O (0.5 equiv) in tetrahydrofuran (THF) at ca. 20 °C for 20 h gives 5,5′-thiobis(3-methoxy-4H-1,2,6-thiadiazin-4-one) (10) in a 44% yield as yellow needles.
Andreas S. Kalogirou   +1 more
doaj   +1 more source

3,5-Bis[5-(thiazol-2-yl)thien-2-yl]-4H-1,2,6-thiadiazin-4-one

open access: yesMolbank, 2019
Stille coupling of 3,5-bis(5-bromothien-2-yl)-4H-1,2,6-thiadiazin-4-one (10) with 2-(tri-n-butylstannyl)thiazole and Pd(Ph3P)2Cl2 in PhMe, at ca. 110 °C, for 2 h, gave 3,5-bis[5-(thiazol-2-yl)thien-2-yl]-4H-1,2,6-thiadiazin-4-one (9) in 81% yield.
Andreas S. Kalogirou   +1 more
doaj   +1 more source

1,2,6-Thiadiazin-3,5(2H,6H)-dione 1,1-dioxide derivatives: crystal structure, physico-chemical and biological properties

open access: yes, 2022
5 pags., 3 figs., 8 tbs.In a previous paper (1) we carried out a comparative study between the physicochemical properties of 1,2,6-thiadiazine 1,l-dioxide derivatives and related pyrazoles.
Ochoa, Carmen   +5 more
core   +1 more source

Novel bronchodilators: Synthesis, transamination reactions, and pharmacology of a series of pyrazino[2,3-c][1,2,6]thiadiazine 2,2-dioxides

open access: yes, 2000
The synthesis, pharmacological evaluation, and structure-activity relationships of a new class of bronchodilator agents, derivatives of pyrazino[2,3-c][1,2,6]thiadiazine 2,2-dioxides are described.
Alkorta, Ibon   +4 more
core   +1 more source

Synthesis and Physico-Chemical Properties of 6- and 7-Monosubstituted Pyrazino|2,3-c̱|-1,2,6-thiadiazine 2,2-Dioxides

open access: yesPteridines, 1990
Selective procedures for the synthesis of 6- and of 7-monosubstituted derivatives of pyrazinoI2,3-c̱|-1 ,2,6- thiadiazine 2,2-dioxide and their reactions with N-bromosuccinimide are reported.
Alkorta Ibon   +3 more
doaj   +1 more source

Novel Bronchodilators:  Synthesis, Transamination Reactions, and Pharmacology of a Series of Pyrazino[2,3-c][1,2,6]thiadiazine 2,2-Dioxides

open access: yes, 2016
The synthesis, pharmacological evaluation, and structure−activity relationships of a new class of bronchodilator agents, derivatives of pyrazino[2,3-c][1,2,6]thiadiazine 2,2-dioxides are described.
Concepción García (363008)   +4 more
core   +1 more source

4H-1,2,6-Thiadiazine-containing donor–acceptor conjugated polymers: synthesis, optoelectronic characterization and their use in organic solar cells

open access: yes, 2018
A 4H-1,2,6-thiadiazine motif as a new acceptor for D–A conjugated polymers.
Vasilis G. Gregoriou   +8 more
core   +1 more source

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