Search Results - "NARENDER, Nama"
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Influence of acid-base sites on ZnO-ZnCr2O4 catalyst during dehydrocyclization of aqueous glycerol and ethylenediamine for the synthesis of 2-methylpyrazine: Kinetic and mechanism studies
Published in Applied catalysis. A, General (2014)“…The physicochemical characteristics of ZnO-ZnCr2O4 (Zn-Cr-O) mixed oxides were determined by adsorption and spectroscopic methods. The catalytic activities of…”
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2
Regio- and stereoselective hydroxybromination and dibromination of olefins using ammonium bromide and oxone
Published in Tetrahedron letters (14-03-2012)“…An efficient protocol for the synthesis of vicinal bromohydrins and dibromides from olefins is presented. Various olefins are regio- and stereoselectively…”
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3
Oxidative bromination of ketones using ammonium bromide and oxone
Published in Tetrahedron letters (11-01-2012)“…A highly efficient, environmentally safe and economic method for selective α-monobromination of aralkyl, cyclic, acyclic, 1,3-diketones and β-keto esters and…”
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4
Catalyst-free one-pot synthesis of benzimidazoles from 1,2-diaminoarenes and alcohols
Published in Tetrahedron letters (26-11-2014)“…[Display omitted] A new and efficient protocol is described for the one-pot synthesis of benzimidazoles from a variety of aryl alcohols and 1,2-diaminoarenes…”
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5
An atom-economical addition of methyl azaarenes with aromatic aldehydes via benzylic C(sp 3 )-H bond functionalization under solvent- and catalyst-free conditions
Published in Beilstein journal of organic chemistry (23-12-2020)“…A convenient practical approach for the synthesis of 2-(pyridin-2-yl)ethanols by direct benzylic addition of azaarenes and aldehydes under catalyst- and…”
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6
Metal‐free Catalytic Esterification of Aryl Alkyl Ketones with Alcohols via Free‐radical Mediated C(sp3)−H Bond Oxygenation
Published in Asian journal of organic chemistry (01-03-2021)“…A novel metal‐free catalytic one‐pot approach has been developed for the esterification of aralkyl ketones with alcohols under open‐air atmospheric conditions…”
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7
Transamidation of carboxamides with amines over nanosized zeolite beta under solvent-free conditions
Published in Catalysis communications (05-06-2016)“…A highly efficient approach to transamidation of carboxamides with amines over nanosized zeolite beta under solvent-free conditions has been successfully…”
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8
Oxidative iodination of carbonyl compounds using ammonium iodide and oxone
Published in Tetrahedron letters (07-12-2011)“…A simple, efficient, mild, and regioselective method for oxyiodination of carbonyl compounds has been reported by using NH4I as the source of iodine and Oxone®…”
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9
New method of synthesis of hierarchical mordenite of high crystallinity and its application in hydroizomerization of benzene-n-heptane mixture
Published in Journal of porous materials (15-08-2019)“…A new approach to the formation of hierarchical porous structure of mordenite without use of templates is suggested in the presented work. The method is based…”
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10
A simple and facile method for regio- and stereoselective bromoformyloxylation and bromoacetoxylation of olefins using NH4Br and oxone
Published in Tetrahedron letters (16-07-2014)“…A mild and efficient protocol for the preparation of bromoformates as well as bromoacetates from olefins using NH4Br and oxone® in nucleophile sources (DMF or…”
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11
Very Important Publication: Hypoiodite-Catalyzed Regioselective Oxidation of Alkenes: An Expeditious Access to Aldehydes in Aqueous Micellar Media
Published in Advanced synthesis & catalysis (13-04-2015)“…A highly anti‐Markovnikov selective oxidation of alkenes based on in situ generated hypoiodite catalysis in aqueous micellar media under mild conditions has…”
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12
A hierarchically zeolite Y for the N-heterocyclic compounds synthesis
Published in Journal of Saudi Chemical Society (01-05-2019)“…New heterogeneous catalytic methods for obtaining practically important pyridines and quinolines in the presence of a hierarchical H-Y zeolite. [Display…”
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13
Mesoporous Aluminosilicates in the Synthesis of N-Heterocyclic Compounds
Published in Kinetics and catalysis (01-11-2019)“…The catalytic properties of samples of amorphous mesoporous aluminosilicate ASM with different Si/Al molar ratios (40, 80, 160) were studied in the synthesis…”
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14
Aluminosilicates with Different Porous Structures in the Synthesis of 2-Ethyl-3-Methylquinoline
Published in Petroleum chemistry (01-07-2019)“…The catalytic properties of microporous zeolites of different structural types (FAU, BEA, MOR, and MFI), a micro–meso–macroporous zeolite (H-Ymmm), and an ASM…”
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15
Aluminosilicates with different pores structure in the synthesis of 2,2,4-trimethyl-1,2-dihydroquinoline and N-phenyl-2-propanimine
Published in Russian chemical bulletin (01-11-2017)“…Physicochemical characteristics of microporous zeolites of various structural type (FAU, BEA, MTW), micro-meso-macroporous zeolite (H-Ymmm), and mesoporous…”
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16
Two-step sol–gel synthesis of mesoporous aluminosilicates: highly efficient catalysts for the preparation of 3,5-dialkylpyridines
Published in Applied petrochemical research (01-09-2018)“…The microstructure, acid properties and characteristics of the porous structure of sol–gel-synthesized mesoporous aluminosilicates with Si/Al ratios of 40, 80,…”
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17
Influence of Brønsted acid sites on chemoselective synthesis of pyrrolidones over H-ZSM-5 supported copper catalyst
Published in Applied catalysis. B, Environmental (05-09-2021)“…[Display omitted] •A cheaper Cu/H-ZSM-5 catalyst demonstrated stable chemoselective activity.•Catalyst was reusable with consistent activity up to 94%…”
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18
Catalytic dehydrative cross-coupling of alcohols: An eco-friendly approach to unsymmetrical ethers
Published in Tetrahedron (28-09-2024)“…Developing green as well as sustainable protocols by employing cheap and readily available catalysts and/or reagents without using environmentally hazardous…”
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A facile heterogeneous catalytic approach for one-pot synthesis of fused benzoxazinones using Cuβ zeolite and Evaluation of biological activities
Published in Tetrahedron (28-04-2024)“…A simple heterogeneous catalytic process has been established for the single-step synthesis of fused benzoxazinones, quinazolinones, and thiadazines through…”
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20
HY and Hβ Zeolites Mediated C–C Bond Formation via Addition/Substitution Reaction of 1,3-Dicarbonyl Compounds to Alcohols and Alkenes
Published in Catalysis letters (01-05-2023)“…We investigated direct addition reaction of β-diketone with several alcohols and alkenes employing solid acid zeolites (HY & Hβ). The presence of acidic sites…”
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