1,2,4-Triazine Chemistry Part I: Orientation of cyclization reactions of functionalized 1,2,4-triazine derivatives [PDF]
, 2010 Orientation of heterocyclization reactions of functionalized 1,2,4-triazines were studied by effect of substituents in 1,2,4-triazine moieties, type of the solvent used in the reaction and the temperature effect.
Abdel-Rahman, Reda Mohammady +3 more
core +1 more source
Синтез и гетероциклизация 8-R-транс-3-циннамилсульфанил-5H-[1,2,4]триазино[5,6-b]индолов и метил 4-(8 R 5H-[1,2,4]триазин[5,6-b]индол-3-сульфанил)бут-2-еноатов [PDF]
, 2022 Isatin β-thiosemicarbazone and 5-bromoisatin β-thiosemicarbazone were obtained by con-densation of aqueous solutions of thiosemicarbazide with isatin and 5-bromoisatin, respectively.
Ким, Дмитрий Гымнанович +2 more
core +1 more source
Síntesis y evaluación de compuestos heterocíclicos derivados de ?-hidroxiácidos con interés industrial potencial. [PDF]
, 2007 The reaction of 2-hydroxyheptadecanoyl chloride (2) and anthranilic acid gave 2-(1-hydroxyheptadecyl)-4H-3,1-benzoxazin-4-one (3) which was used as starting material to synthesize some condensed and non-condensed heterocyclic compounds by a reaction with
Eissa, A. M. F., El-Sayed, R.
core +2 more sources
Preparation and uses of chlorinated glycerol derivatives [PDF]
, 2020 Crude glycerol (C3H8O3) is a major by-product of biodiesel production from vegetable oils and animal fats. The increased biodiesel production in the last two decades has forced glycerol production up and prices down.
Balcells Fluvià, Mercè +4 more
core +1 more source
Journal of Chemistry, Volume 2019, Issue 1, 2019., 2019 In search for highly bioactive barbituric and thiobarbituric acid derivatives, some new barbituric and thiobarbituric acids bearing 1,2,4‐triazine moiety and their related systems (5–13) have been obtained from the addition of isocyanate and isothiocyanate to 3‐amino‐5,6‐diphenyl‐1,2,4‐triazine (1) followed by ring closure reactions with diethyl ...
Abeer N. Al-Romaizan, Manuela Curcio
wiley +1 more source
Development and Validation of GC‐ECD Method for the Determination of Metamitron in Soil
International Journal of Analytical Chemistry, Volume 2015, Issue 1, 2015., 2015 This paper aims at developing and validating a convenient, rapid, and sensitive method for estimation of metamitron from soil samples.Determination andquantification was carried out by Gas Chromatography on microcapillary column with an Electron Capture Detector source. The compound was extracted from soil using methanol and cleanup by C‐18 SPE.
Shishir Tandon +3 more
wiley +1 more source
Regioselective synthesis and antimicrobial studies of novel bridgehead nitrogen heterocycles containing the thienopyrimidinone skeleton [PDF]
, 2011 Versatile 2-(alkylthio)pyrimidine-type and 2-(phenacylamino)thiophene building blocks (4a-d) and 16 were obtained based on an ortho functionalized thiophene derivative 1.
Gaber, Hatem Moustafa +1 more
core +1 more source
Molecules, 2011 A novel series of 7,7-diphenyl-1,2-dihydroimidazo[2,1-c][1,2,4]triazin-6(7H)-one 6a–h, were easily prepared via reactions of novel 2-hydrazinyl-4,4-diphenyl-1H-imidazol-5(4H)-one (2) with hydrazonoyl halides 3a–h.
Huwaida M.E. Hassaneen +1 more
doaj +1 more source
The Effects of Subchronic Exposure to Metribuzin on Danio rerio
The Scientific World Journal, Volume 2012, Issue 1, 2012., 2012 The aim of this study was to assess the impact of metribuzin in surface waters on fish under experimental conditions. The effects of subchronic exposure to metribuzin on fish growth and the development of histopathological changes in selected organs (gill, kidney, liver) and on activity of some biochemical markers (CYP450, EROD) in Danio rerio were ...
Lucie Plhalova +12 more
wiley +1 more source
Regioselective Green Synthesis and Antimicrobial properties of full fused non mixed Heterocyclic Systems [PDF]
, 2017 One pot synthesis and reaction of triazinthione and triazinohydrazide derivatives with different electrophilic reagents in ordered to synthesis of some interesting non-mixed heterocyclic compounds.
El-HAshash, Maher +2 more
core +2 more sources