Results 31 to 40 of about 235,743 (243)
In this data file the characterisation of nanoformulations obtained from calix[4]arene/1,4-dihydropyridine (1,4-DHP) compositions in the various component ratio in an aqueous medium was performed by dynamic light scattering (DLS) technique.
Martins Rucins +7 more
doaj +1 more source
Ultrasound Mediated, Green Innovation for the Synthesis of Polysubstituted 1,4-Dihydropyridines [PDF]
An elegant, atom efficient protocol via a one-pot four-component cyclocondensation reaction of aromatic aldehydes, malononitrile, acetylenedicarboxylates and arylamines catalyzed by copper(i) iodide in aqueous medium under ultrasound irradiation has been
Pasha, M.A. +3 more
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A synthesis of a cationic moiety and fluorescent moieties containing amphiphilic 1,4-dihydropyridine (1,4-DHP) derivatives was performed starting with the Hantzsch-type cyclization of dodecyl acetoacetate, phenylaldehyde and ammonium acetate. Bromination
Reinis Ozolins +7 more
doaj +1 more source
Novel 5-oxo-hexahydroquinoline derivatives: design, synthesis, in vitro P-glycoprotein-mediated multidrug resistance reversal profile and molecular dynamics simulation study [PDF]
Overexpression of the efflux pump P-glycoprotein (P-gp) is one of the important mechanisms of multidrug resistance (MDR) in many tumor cells. In this study, 26 novel 5-oxo-hexahydroquinoline derivatives containing different nitrophenyl moieties at C-4 ...
Edraki, N. +7 more
core +1 more source
Diethyl 4-(1H-indol-3-yl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
In the title compound, C21H24N2O4, the 1,4-dihydropyridine ring adopts a very flattened boat conformation, with the 3-pyridine substituent in an axial orientation.
Ji Hye Lee, Dongsoo Koh
doaj +1 more source
Diethyl 2,6-Dimethyl-4-(naphthalen-1-yl)-1,4-Dihydropyridine-3,5-Dicarboxylate [PDF]
In the title compound, C23H25NO4, the 1,4-dihydropyridine ring adopts a flattened boat conformation. The naphthalene ring system forms a dihedral angle of 88.59 (6)° with the pyridine ring.
Noor Shahina Begum, ., Prasad, N.L.
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Fast microwave-assisted oxidation of 1,4-dihydropyridines with FeCl 3.SiO 2 [PDF]
Pyridine derivatives are easily obtained in high yields by microwave-promoted rapid oxidation of the corresponding 1,4-dihydropyridines with ferric chloride hexahydrate and silica gel under solvent-free ...
Alaee, E. +4 more
core +1 more source
Hantzsch condensation of two equivalents of methyl-3-aminocrotonate with (m-and p)-methoxybenzaldehyde afforded the expected products 2,6-dimethyl-3,5-dimethoxycarbonyl-4-(m-methoxyphenyl)-1,4-dihydropyridine and 2,6-dimethyl-3,5-dimethoxycarbonyl-4-(p ...
Vladimir Vinković +3 more
doaj +1 more source
Synthesis of a double-charged cationic amphiphilic 1,4-dihydropyridine derivative with dodecyl ester groups at positions 3 and 5 of the 1,4-DHP ring was performed starting from Hantzsch type cyclization of dodecyl acetoacetate, 2-naphthaldehyde and ...
Martins Rucins +5 more
doaj +1 more source
Synthesis and chromatographic-separation of the stereoisomers of furnidipine [PDF]
The four stereoisomers of methyl tetrahydrofuran-2-ylmethyl 2,6-dimethyl-4-(o-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxilate (furnidipine), have been synthesized and separated by chiral chromatography using D-phenylglycine as chiral stationary phase.
Alajarín Ferrández, Ramón +6 more
core +3 more sources

