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Abd El-hamid Ismail et al.
Nucleosides, nucleotides & nucleic acids, 21(6-7), 469-475 (2002-11-22)
2-Naphthylsulfonylhydrazine was reacted with aromatic aldehydes or aldehydo sugars to give the corresponding hydrazones which undergo Michael addition reactions with malononitrile or ethyl cyanoacetate to form pyrazole derivatives.
Ronny Wirz et al.
Langmuir : the ACS journal of surfaces and colloids, 22(8), 3698-3706 (2006-04-06)
The liquid-phase Knoevenagel condensation between benzaldehyde and ethyl cyanoacetate catalyzed by aminopropyl-modified silica has been investigated using in situ attenuated total reflection infrared (ATR-IR) spectroscopy. The aim of the work was to demonstrate the different levels of information on the
Electrogenerated bases VII. Novel syntheses of ethyl glyoxalate and diethyl ketomalonate via electrogenerated superoxide.
Sugawara M and Baizer MM.
Tetrahedron Letters, 24(22), 2223-2226 (1983)
Microwave Enhanced Knoevenagel Condensation of Ethyl Cyanoacetate with Aldehydes.
Kim S-Y, et al.
Synthetic Communications, 27(4), 533-541 (1997)
Zhaoqi Ye et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 26(28), 6147-6157 (2020-01-08)
For zeolite catalysts, the regulation of active site and pore structure plays an important role in the enhancement of their catalytic performance. In this work, a one-pot and organic template-free co-regulation route is proposed to straightforwardly synthesize basic mesoporous ZSM-5
Palladium-catalyzed arylation of ethyl cyanoacetate. Fluorescence resonance energy transfer as a tool for reaction discovery.
S R Stauffer et al.
Journal of the American Chemical Society, 123(19), 4641-4642 (2001-07-18)
Mohie E M Zayed et al.
Journal of fluorescence, 27(3), 853-860 (2017-01-23)
4-(2,3,4-trimethoxyphenyl)-8-methoxy-2-oxo-1,2,5,6 tetrahydrobenzo [h] quinoline-3-carbonitrile (TMTQ) dye was synthesized by one-pot multicomponent reactions (MCRs) of 2,3,4 trimethoxybenzaldehyd, ethyl cyanoacetate, 6-methoxy-1,2,3,4-tetrahydro-naphthalin-1-one and ammonium acetate under microwave irradiation. The structures of the synthesized compound was established by spectroscopic (FT-IR
An investigation of Knoevenagel condensation reaction in microreactors using a new zeolite catalyst.
Zhang X, et al.
Applied Catalysis A: General, 261(1), 109-118 (2004)
Yuya Oka et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 23(39), 9362-9368 (2017-05-18)
Mesoporous basic Mg-Al mixed metal oxides (MMOs) with a high surface area and large pore size have been prepared through the assembly of monodispersed layered double hydroxide nanoparticles (LDHNPs) with block copolymer templates. The particle sizes of the LDHNPs were
[Information from the Soviet Toxicology Center].
Farmakologiia i toksikologiia, 43(6), 750-751 (1980-11-01)
S Kotha et al.
The Journal of organic chemistry, 65(5), 1359-1365 (2000-05-18)
Conformationally constrained cyclic alpha-amino acid derivatives were synthesized under solid-liquid phase-transfer catalysis conditions. This methodology involves the bis-alkylation of ethyl isocyanoacetate with various alpha,alpha'-dibromo-o-xylene derivatives [alpha,alpha'-dibromo-o-xylene 5, 2,3-bis(bromomethyl)-1, 4-dimethoxybenzene 6, 1,2-bis(bromomethyl)-4,5-dibromobenzene 7, 2, 3-bis(bromomethyl)naphthalene 8, 1,8-bis(bromomethyl)-naphthalene 9, 6,7-bis(bromomethyl)-2,2-dimethyl-1H-phenalene-1,3(2H)-dione 10, 2
Direct organocatalytic and highly enantio- and diastereoselective Mannich reactions of alpha-substituted alpha-cyanoacetates.
Thomas B Poulsen et al.
Angewandte Chemie (International ed. in English), 44(19), 2896-2899 (2005-04-14)
Korany A Ali et al.
Mini reviews in medicinal chemistry, 18(8), 717-727 (2017-04-27)
In this study, synthesis, molecular docking and anticancer screening of new series of substituted heterocycles with trimethoxy phenyl scaffold as Combretastatin analogues were described. Substituted pyridines were synthesized via the reaction of (E)-3-(dimethylamino)-1-(3,4,5- trimethoxyphenyl)prop-2-en-1-one (2) with active methylene reagents. Substituted
Yingjie Zhou et al.
Dalton transactions (Cambridge, England : 2003), 46(38), 13126-13134 (2017-09-26)
Ionic liquids (ILs) have attracted significant attention because of their unique chemical and physical properties. Immobilization of ILs on solid materials helps increase their efficiency and facilitate their recycling. In our present work, ILs were immobilized on α-zirconium phosphate (ZrP)
D Timothy Anstine et al.
Monatshefte fur chemie, 145(7), 1117-1135 (2014-08-12)
Three new linear pentapyrrole rubinoid analogs: 2,3,7,8,17,18,22,23-octamethyl-12,13-bis-(2-carboxyethyl)-1,10,15,24,25,27,28,29-octahydro-27H-pentapyrrin-1,24-dione and 2,3,8,12,13,17,22,23-octamethyl-7,18-bis-(2-carboxyethyl)-1,10,15,24,25,26,27,28,29-octahydro-27H-pentapyrrin-1,24-dione, and its 7,18-dihexanoic acid analog were synthesized, respectively, from 2,3,7,8-tetramethyl-(10H)-dipyrrin-2-one, from 2,3,8-trimethyl-7-[2-(methoxycarbonyl)ethyl]-(10H)-dipyrrinone, and 2,3,8-trimethyl-7-[5-(methoxycarbonyl)pentyl]-(10H)-dipyrrinone. 13C NMR and 1H NMR measurements in (CD3)2SO confirmed the pentapyrrole structures, while 1H NMR data indicate
Kohei Isobe et al.
Molecular diversity, 9(4), 317-320 (2005-11-29)
An environmentally benign and sustainable Knoevenagel reaction of aldehyde with ethyl cyanoacetate has been achieved at ambient temperature in water employing 3-aminopropylated silica gel (NAP) as a catalyst. Wide applicability of the reaction is illustrated by the results that not
The Knoevenagel condensation of aromatic aldehydes with malononitrile or ethyl cyanoacetate in the presence of CTMAB in water.
Wang S, et al.
Synthetic Communications, 31(5), 673-677 (2001)
Søren S Donau et al.
Chemosphere, 233, 873-878 (2019-07-26)
The cyanoacrylate ethyl (2Z)-3-amino-2-cyano-3-phenylacrylate (phenamacril), has been introduced as an effective agent against several fungi species belonging to the Fusarium genus. However, in current literature, knowledge about the environmental behavior of this fungicide is limited and there are no data
Masazumi Tamura et al.
Nature communications, 6, 8580-8580 (2015-10-06)
Multidentate materials formed by simply mixing heterogeneous and homogeneous components are promising for construction of versatile active sites on the surface of heterogeneous compounds, however, to the best of our knowledge, there are no reports on such materials. Self-assembly of
Salman A Khan et al.
Bioorganic chemistry, 88, 102968-102968 (2019-05-11)
New quinoline-3-carbonitrile derivatives were synthesized and evaluated for their potential antibacterial behavior. Compounds were obtained by a one-pot multicomponent reaction of appropriate aldehyde, ethyl cyanoacetate, 6-methoxy-1,2,3,4-tetrahydro-naphthalin-1-one and ammonium acetate. Structures were established by different physical and spectroscopic techniques. The molecular
Jing Sun et al.
Molecular diversity, 15(1), 115-123 (2010-09-18)
New, highly-functionalized dihydrothiophenes are conveniently synthesized from the novel tandem, four-component reactions of 1,3-thiazolidinedione, aldehyde, arylamine, and ethyl cyanoacetate, catalyzed by triethylamine. The reaction mechanism involves the use of Knoevenagel condensation, Michael addition, and ring-opening of 1,3-thiazolidinedione, followed by intramolecular
Siham Mallouk et al.
Molecules (Basel, Switzerland), 15(2), 813-823 (2010-03-26)
A sustainable Knoevenagel condensation of a series of aldehydes with malononitrile and ethyl cyanoacetate is described. The process is based on the combination of microwave activation and hydroxyapatite catalysis under solvent-free conditions. Products are obtained in and high yields after
Hassan Sheibani et al.
Molecular diversity, 14(2), 277-283 (2009-06-23)
A new and efficient method for the preparation of 3-amino-2,5-dihydropyridazines from three-component reactions of (phenyl-hydrazono)-propan-2-one, aldehydes, and malononitrile or ethyl cyanoacetate in the presence of magnesium oxide (MgO) as a highly effective heterogeneous base catalyst is presented. Also, the three-component
Emad Yousif et al.
Environmental science and pollution research international, 26(25), 26381-26388 (2019-07-11)
A new Schiff base containing 1,2,4-triazole ring system (L) was synthesized and confirmed by 1HNMR, FTIR spectroscopy. The chemical modification of PVC with a new Schiff base (L) was synthesized to produce a homogenous blend (PVC-L). A homogenous blend (PVC-L)
Mosaad Sayed Mohamed et al.
Acta pharmaceutica (Zagreb, Croatia), 61(2), 171-185 (2011-06-21)
A series of 6-aryl-5-cyano-2-thiouracil derivatives (1a-d) was synthesized by the reaction of ethyl cyanoacetate with thiourea and aldehydes. These products were used as intermediate compounds for the synthesis of a number of thiouracil derivatives (2a-d to 10a-d). All compounds were
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