2020
DOI: 10.1021/acsomega.9b04212
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Highly Efficient Nanosized Mesoporous CuMgAl Ternary Oxide Catalyst for Nitro-Alcohol Synthesis: Ultrasound-Assisted Sustainable Green Perspective for the Henry Reaction

Abstract: Nanosized mesoporous CuMgAl ternary oxide catalysts were prepared by thermal decomposition of CuMgAl-layered double hydroxides at 500 °C with nominal Cu/Mg/Al ratios of 1:1:1 (Cu-LDH-I), 1.5:0.5:1 (Cu-LDH-II), and 2:0:1 (Cu-LDH-III). The synthesized catalysts were characterized by inductively coupled plasma atomic emission spectroscopy (ICP-AES), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), high-resolution transmission electron microscopy (HRTEM), Fourier… Show more

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Cited by 27 publications
(11 citation statements)
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“…27,28 There were no secondary phases apparent in the XRD patterns indicating Al 2 O 3 , NiO, CuO, or ZnO, and thus, the phase purity of the samples can be assumed. [29][30][31][32] Furthermore, the average crystallite size (D) and lattice constant (a) of all aluminate samples were calculated and are summarized in Table 1, which confirms that nanocrystalline aluminate samples have diameters in the range of 30-50 nm. [33][34][35] The lattice constant values for the Among these bands, those at 3448, 1637, and 1551 cm −1 might be attributed to hydroxyl group which exhibits both symmetric and antisymmetric bending and stretching vibrational modes as a consequence of moisture diffusing from the atmosphere into the samples whereas the KBr pellets undergo preparation.…”
Section: Phase Identification and Crystal Structure Analysismentioning
confidence: 65%
“…27,28 There were no secondary phases apparent in the XRD patterns indicating Al 2 O 3 , NiO, CuO, or ZnO, and thus, the phase purity of the samples can be assumed. [29][30][31][32] Furthermore, the average crystallite size (D) and lattice constant (a) of all aluminate samples were calculated and are summarized in Table 1, which confirms that nanocrystalline aluminate samples have diameters in the range of 30-50 nm. [33][34][35] The lattice constant values for the Among these bands, those at 3448, 1637, and 1551 cm −1 might be attributed to hydroxyl group which exhibits both symmetric and antisymmetric bending and stretching vibrational modes as a consequence of moisture diffusing from the atmosphere into the samples whereas the KBr pellets undergo preparation.…”
Section: Phase Identification and Crystal Structure Analysismentioning
confidence: 65%
“…Based on the above findings, in continuation of our recent work of using green synthetic approaches to develop a variety of heterocyclic systems with great biological importance [31][32][33][34] , and in an attempt to prepare new potent anti-breast cancer leads of potential suppression activity against different RTKs EGFR, HER-2, PDGFR-b, and VEGFR-2, this study deals with the synthesis of new tetrahydroquinolines hybridised with other substituted phenylsulfonyl-phenyl moieties at C-4 position and conjugated with different groups at C-2 and C-3 positions (Figure 3). It has been taken in consideration the effect of molecular orientation, ring size variation and the occurrence of different heteroatoms that could provide hydrogen binding with various RTKs binding pockets (Figure 3).…”
Section: Introductionmentioning
confidence: 80%
“…Metal catalysed C−C bond formation reactions have accomplished a pivotal role in industries for the synthesis of fine chemicals. The C−C bond formation is a key reaction for organic synthesis to design the carbon framework of complex organic molecules [58–63] . The functionalization of a non‐activated C−H bond in a substrate is like an unrealistic dream since most recently, functionalization of the C−H bond via C−H activation has become fast‐growing field in synthetic organic chemistry and catalysis.…”
Section: Direct Functionalization Of C−h Bondmentioning
confidence: 99%