Results 71 to 80 of about 4,962 (222)

Reaction of 1,2-Diaza-1,3-butadienes with thiol derivates: a versatile construction of nitrogen/sulfur containing heterocycles [PDF]

open access: yes, 2015
none9sìopenATTANASI O.A.; FILIPPONE P; LILLINI S; NICOLINI S; MANTELLINI F; APARICIO D; IGNACIO R; DE LOS SANTOS J.M; PALACIOS FAttanasi, ORAZIO ANTONIO; Filippone, Paolino; Lillini, S; Nicolini, Simona; Mantellini, Fabio; Aparicio, D; Ignacio, R; DE LOS

core   +1 more source

Synthesis and biological activities of some 3,5-diaryl-N-hydroxy-tetrahydro-1,4-thiazine-1,1-dioxides [PDF]

open access: yes, 2016
Some new 3,5-diaryl-N-hydroxy-tetrahydro-1,4-thiazine-1,1-dioxides (6a-i) have been synthesized by reacting thiazine (4) with dimethyldioxirane (5) and tested for their antibacterial and acute toxicity studies.
Thangamani, A.
core   +2 more sources

A REVIEW: ANTIMICROBIAL AGENTS BASED ON NITROGEN AND SULFUR CONTAINING HETEROCYCLES [PDF]

open access: yes, 2017
At present, heterocyclic compounds and their derived forms have become strong reflection in medicinal research field because of their positive pharmacological and biological properties.
Sharma, Praveen Kumar
core   +1 more source

The dual role of thiourea in the thiotrifluoromethylation of alkenes [PDF]

open access: yes, 2016
Alkenes substituted with a thiourea undergo C-CF3 followed by intramolecular C-S bond formation with the Togni reagent and trifluoroacetic acid (TFA) at room temperature; thiols and thioamides are not suitable S-sources for this reaction.
Gouverneur, Veronique   +5 more
core   +2 more sources

Tautomeric Equilibria Studies by Mass Spectrometry [PDF]

open access: yes, 2008
Tautomerism in organic chemistry has been extensively studied in condensed phase by spectrometric methods, mainly by IR and NMR techniques. Mass spectrometry studies start 40 years ago but just recently it has been recognized the importance of the mass ...
Eduardo A. Castro   +3 more
core   +1 more source

Photocatalytic Activity of Cellulose Nanocrystals/Zinc Oxide Nanocomposite Against Thiazine Dye under UV and Visible Light Irradiation

open access: diamond, 2022
Rey Marc T. Cumba   +8 more
openalex   +2 more sources

DESIGN, FACILE SYNTHESIS, AND BIOLOGICAL EVALUATION OF NOVEL 1,3-THIAZINE DERIVATIVES AS POTENTIAL ANTICONVULSANT AGENTS [PDF]

open access: yes, 2016
Objective: Chalcones and their heterocyclic analogs represent an important class of small molecules having anticonvulsant activities. Therefore, inthis study, the synthesis and anticonvulsant activity of some new chalcones and 1,3-thiazines were ...
B, Ravindar   +2 more
core   +1 more source

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