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   Articles with "dimethylamino" as a keyword



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NUCLEOPHILIC SUBSTITUTION OF A 4-DIMETHYLAMINO GROUP IN QUINOLINE PROTON SPONGES. STABILIZATION OF 4-QUINOLONES IN HYDROXY FORM. SYNTHESIS OF A PROTON SPONGE BASED ON 8-HYDROXYQUINOLINE

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recommendations! Published in 2019 at "Chemistry of Heterocyclic Compounds"

DOI: 10.1007/5301

Abstract: Demethylation of methoxy groups in 6(8)-methoxy-2,4,5-tris(dimethylamino)quinolines with 48% HBr leads to nucleophilic substitution of the 4-NMe2 group with the formation of quinolones existing in solution and the solid state in the hydroxy form stabilized by… read more here.

Keywords: nucleophilic substitution; dimethylamino; hydroxy form; group ... See more keywords
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THE REACTION OF 2,5-BIS[(DIMETHYLAMINO)METHYL]HYDROQUINONE AND 3-(DIMETHYLAMINO)-2-CYCLOHEXEN-1-ONES

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recommendations! Published in 2021 at "Chemistry of Heterocyclic Compounds"

DOI: 10.1007/6126

Abstract: How to Cite Osyanin, V. A.; Ivleva, E. A.; Klimochkin, Yu. N. Chem. Heterocycl. Compd. 2010 , 46 , 1011. [ Khim. Geterotsikl. Soedin. 2010 , 1251.] For this article in the English edition see… read more here.

Keywords: hydroquinone dimethylamino; dimethylamino; methyl hydroquinone; reaction bis ... See more keywords
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Nucleophilic substitution of a 4-dimethylamino group in quinoline proton sponges. Stabilization of 4-quinolones in hydroxy form. Synthesis of a proton sponge based on 8-hydroxyquinoline

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recommendations! Published in 2019 at "Chemistry of Heterocyclic Compounds"

DOI: 10.1007/s10593-019-02587-2

Abstract: Demethylation of methoxy groups in 6(8)-methoxy-2,4,5-tris(dimethylamino)quinolines with 48% HBr leads to nucleophilic substitution of the 4-NMe2 group with the formation of quinolones existing in solution and the solid state in the hydroxy form stabilized by… read more here.

Keywords: nucleophilic substitution; dimethylamino; hydroxy form; group ... See more keywords
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(Z)-3-(4-(Dimethylamino)benzylidene)thiochroman-4-one: Synthesis, Crystal Structure and Molecular Modelling Using Density Functional Theory

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recommendations! Published in 2019 at "Journal of Chemical Crystallography"

DOI: 10.1007/s10870-019-00779-4

Abstract: The title compound C18H17NOS was synthesized by condensation of thiochroman-4-one with 4-dimethylaminobenzaldehyde. The possible existence of the 3-(4-(Dimethylamino)benzylidene)thiochroman-4-one (E)- and (Z)-geometrical isomers was investigated using B3LYP/6-31G**. Crystallographic and vibrational data are compared with the results… read more here.

Keywords: density functional; dimethylamino; benzylidene thiochroman; dimethylamino benzylidene ... See more keywords
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Synthesis, Spectral Characterization, Thermal and Optical Studies of Novel Complexes: 4-(Dimethylamino)benzylidene-4-acetamideaniline and 4-(Dimethylamino)benzylidene-4-nitroaniline

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recommendations! Published in 2017 at "Journal of Fluorescence"

DOI: 10.1007/s10895-017-2168-1

Abstract: The phase diagram representing solid–liquid equilibrium of entire range of composition and thermodynamic studies of two binary organic systems of 4-dimethylaminobenzaldehyde (DMAB) with two NLO active compounds, p-aminoacetanilide (PAA) and p-nitroaniline (PNA), have been studied… read more here.

Keywords: dimethylamino; benzylidene acetamideaniline; complexes dimethylamino; benzylidene nitroaniline ... See more keywords
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Dimethylamino group modified polydopamine nanoparticles with positive charges to scavenge cell-free DNA for rheumatoid arthritis therapy

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recommendations! Published in 2022 at "Bioactive Materials"

DOI: 10.1016/j.bioactmat.2022.03.028

Abstract: Excessive cell-free DNA (cfDNA) released by damaged or apoptotic cells can cause inflammation, impacting the progression of rheumatoid arthritis (RA). cfDNA scavengers, such as cationic nanoparticles (NPs), have been demonstrated as an efficient strategy for… read more here.

Keywords: cfdna; cell free; dimethylamino group; free dna ... See more keywords
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Experimental Studies on the Effect of Tertiary Amine Promoters in Aqueous Monoethanolamine (MEA) Solutions on the Absorption/Stripping Performances in Post-combustion CO2 Capture

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recommendations! Published in 2017 at "Energy & Fuels"

DOI: 10.1021/acs.energyfuels.7b02390

Abstract: The absorption/desorption performance of carbon dioxide (CO2) in aqueous 5 M monoethanolamine (MEA) solutions in the presence of various solution regeneration promoters was comprehensively investigated using a multiple rapid screening method. The promoters considered were… read more here.

Keywords: dimethylamino; absorption stripping; mea; aqueous monoethanolamine ... See more keywords
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Investigation of the full reversal of selectivity in the reaction of aniline with 1,3-dichloro-1,3-bis(dimethylamino)vinamidinium salts

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recommendations! Published in 2017 at "New Journal of Chemistry"

DOI: 10.1039/c7nj03442c

Abstract: The addition of aniline, even in excess, to a solution of 1,3-dichloro-1,3-bis(dimethylamino)vinamidinium salt in the presence of triethylamine invariably leads to the formation of 2,4-bis(dimethylamino)quinoline. Conversely, delaying the addition of the base leads to the… read more here.

Keywords: bis dimethylamino; dichloro bis; dimethylamino; dimethylamino vinamidinium ... See more keywords
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N-Methylated 1,8-Diaminonaphthalenes as Bifunctional Nucleo­philes in Reactions with α,ω-Dihalogenoalkanes: A Facile Route to Heterocyclic and Double Proton Sponges

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recommendations! Published in 2020 at "Synthesis"

DOI: 10.1055/s-0040-1707079

Abstract: The reaction of 1-dimethylamino-8-(methylamino)naphthalene with 1,3-dibromopropane chemoselectively leads to the product of N,N′-heterocyclization, while in the case of 1,4-dibromobutane and 1,2-bis(bromomethyl)benzene the process results in heterocyclization onto the same nitrogen atom with the formation of… read more here.

Keywords: double proton; dimethylamino; proton sponges; methylated diaminonaphthalenes ... See more keywords
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Anti-corrosive Properties of New Eco-friendly Dimethylamino Compounds on C- steel Corrosion in 2 M HCl

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recommendations! Published in 2017 at "International Journal of Electrochemical Science"

DOI: 10.20964/2017.05.73

Abstract: The inhibitive effect of new eco-friendly dimethylamino compounds , named (2E,4E)-5-(4(Dimethylamino)phenyl)-1-(pyridin-2-yl)penta-2,4-dien-1-one (Compound (I )) and (E)-1-(Anthracen10-yl)-3-(4-(dimethylamino)phenyl)prop-2-en-1-one (Compound (II)) versus CS and its adsorption habit were obtain in 2 M HCl solution utilized Weight loss, TP,… read more here.

Keywords: new eco; dimethylamino; eco friendly; compound ... See more keywords
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Synthesis and Characterization of Stimuli-Responsive Poly(2-dimethylamino-ethylmethacrylate)-Grafted Chitosan Microcapsule for Controlled Pyraclostrobin Release

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recommendations! Published in 2018 at "International Journal of Molecular Sciences"

DOI: 10.3390/ijms19030854

Abstract: Controllable pesticide release in response to environmental stimuli is highly desirable for better efficacy and fewer adverse effects. Combining the merits of natural and synthetic polymers, pH and temperature dual-responsive chitosan copolymer (CS-g-PDMAEMA) was facilely… read more here.

Keywords: dimethylamino; characterization stimuli; release; responsive poly ... See more keywords