Search Results - "Reddy, K. Harsha Vardhan"

Magnetically Separable CuFe2O4 Nanoparticle Catalyzed C–Se Cross Coupling in Reusable PEG Medium by Reddy, K. Harsha Vardhan, Satish, G, Ramesh, K, Karnakar, K, Nageswar, Y. V. D

“…A simple and efficient procedure for the synthesis of unsymmetrical diaryl selenides has been developed by magnetically separable CuFe2O4 nanoparticle…”
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Nano copper oxide catalyzed synthesis of symmetrical diaryl sulfides under ligand free conditions by Reddy, K Harsha Vardhan, Reddy, V Prakash, Kumar, A Ashwan, Kranthi, G, Nageswar, Yvd

“…Potassium thiocyanate acts as an efficient sulfur surrogate in C-S cross-coupling reactions mediated by recyclable copper oxide nanoparticles under ligand free…”
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A mild and expeditious synthesis of amides from aldehydes using bio glycerol-based carbon as a recyclable catalyst by Ramesh, K., Narayana Murthy, S., Karnakar, K., Harsha Vardhan Reddy, K., Nageswar, Y.V.D., Vijay, M., Prabhavathi Devi, B.L.A., Prasad, R.B.N.

“…The new bioglycerol-based carbon catalyst acts as an efficient, readily available, and reusable catalyst for the synthesis of amides, when aldehyde and…”
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Synthesis of Biheterocycles Based on Quinolinone, Chromone, and Coumarin Scaffolds by Palladium-Catalyzed Decarboxylative Couplings by Vardhan Reddy, K. Harsha, Brion, Jean-Daniel, Messaoudi, Samir, Alami, Mouad

“…An efficient Pd-catalyzed decarboxylative coupling of heterocyclic carboxylic acids with heterocyclic halides to achieve the synthesis of biheterocycles of…”
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Convergent Strategy to Dizocilpine MK-801 and Derivatives by Vardhan Reddy, K. Harsha, Yen-Pon, Expédite, Cohen-Kaminsky, Sylvia, Messaoudi, Samir, Alami, Mouad

“…A convergent total synthesis of MK-801 has been achieved. Key synthetic transformations include a multicomponent Barbier-type reaction to construct the…”
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Conversion of 3‑Bromo‑2H‑coumarins to 3‑(Benzofuran-2-yl)‑2H‑coumarins under Palladium Catalysis: Synthesis and Photophysical Properties Study by Galvani, Gilles, Vardhan Reddy, K. Harsha, Beauvineau, Claire, Ghermani, NourEddine, Mahuteau-Betzer, Florence, Alami, Mouad, Messaoudi, Samir

“…An intriguing conversion of 3-bromo-2H-coumarins to 3-(benzofuran-2-yl)-2H-coumarins under palladium catalysis is reported. The process involves, from only one…”
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Productive Syntheses of Privileged Scaffolds Inspired by the Recognition of a Diels–Alder Pattern Common to Three Classes of Natural Products by Badarau, Eduard, Reddy, K. Harsha Vardhan, Loudet, Aurore, Simon, Charles, Trembleau, Laurent, Claerhout, Stijn, Pair, Etienne, Massip, Stéphane, Breton, Philippe, Lesur, Brigitte, Goldstein, Solo, Fourquez, Jean‐Marie, Henlin, Jean Michel, Ghosez, Léon

“…Identification of a common Diels–Alder pattern in three classes of bioactive natural products led us to study the synthesis and cycloaddition of a new class of…”
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Quinoxaline synthesis in novel tandem one-pot protocol by Anil Kumar, B.S.P., Madhav, B., Harsha Vardhan Reddy, K., Nageswar, Y.V.D.

“…A variety of quinoxalines were synthesized via tandem one-pot procedure for the first time in water medium. The key strategy was the in situ preparation of…”
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Recent Developments in the Synthesis of Quinoxaline Derivatives by Green Synthetic Approaches by Nageswar, Y. V. D., Reddy, K. Harsha Vardhan, Ramesh, K., Murthy, S. Narayana

“…Organic Preparations and Procedures International Recent Developments in the Synthesis of Quinoxaline Derivatives by Green Synthetic Approaches…”
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A novel one-pot synthesis of spiro[indoline-3,4′-pyrazolo[3,4-e][1,4]thiazepine] diones using recyclable bioglycerol-based sulfonic acid functionalized carbon catalyst by Karnakar, K., Narayana Murthy, S., Ramesh, K., Harsha Vardhan Reddy, K., Nageswar, Y.V.D., Chandrakala, U., Prabhavathi Devi, B.L.A., Prasad, R.B.N.

“…A novel, simple, and efficient synthetic protocol has been developed for the synthesis of spiro[indoline-3,4′-pyrazolo[3,4-e][1,4]thiazepine] diones, by using…”
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Magnetically separable CuFe2O4 nano particles catalyzed multicomponent synthesis of 1,4-disubstituted 1,2,3-triazoles in tap water using ‘click chemistry’ by Anil Kumar, B.S.P., Harsha Vardhan Reddy, K., Madhav, B., Ramesh, K., Nageswar, Y.V.D.

“…The synthesis of 1,4-disubstituted 1,2,3-triazoles is attempted using magnetically separable and reusable copper ferrite nano particles in a one pot reaction,…”
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Efficient and Direct Synthesis of γ‐Amino‐α,β‐Unsaturated Amides by Catalyzed Allylic Substitution of α‐Fluoroenamides: Toward to Synthesis of Hybrid Peptides and Indolizidines by Reddy, K. Harsha vardhan, Bédier, Matthieu, Bouzbouz, Samir

“…A variety of γ‐amino‐α,β‐unsaturated amides have been synthesized from readily available α‐fluoroenamides precursors via an unprecedented intermolecular and…”
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Copper on chitosan: an efficient and easily recoverable heterogeneous catalyst for one pot synthesis of 1,2,3-triazoles from aryl boronic acids in water at room temperature by Anil Kumar, B.S.P., Harsha Vardhan Reddy, K., Karnakar, K., Satish, G., Nageswar, Y.V.D.

“…[Display omitted] A facile, efficient, and environmentally-friendly one pot protocol has been developed for the synthesis of 1,4-diaryl-1,2,3-triazoles from…”
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A mild method for the replacement of a hydroxyl group by halogen: 2. unified procedure and stereochemical studies by Gati, Wafa, Munyemana, François, Colens, Alain, Srour, Aladdin, Dufour, Mathilde, Vardhan Reddy, K. Harsha, Téchy, Brigitte, Rosse, Gérard, Schweiger, Ed, Qiao, Qi, Ghosez, Léon

“…N,N-Dimethyl- and N,N-diisopropyl-1-halo-2-methyl-l-propenylamines are readily available reagents for the mild deoxyhalogenation of alcohols and hydroxyacids…”
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Tandem supramolecular synthesis of substituted 2-aryl-2,3-dihydroquinazolin-4(1H)-ones in the presence of β-cyclodextrin in water by Ramesh, K., Karnakar, K., Satish, G., Harsha Vardhan Reddy, K., Nageswar, Y.V.D.

“…Substituted 2-aryl-2,3-dihydroquinazolin-4(1H)-ones were prepared for the first time in water under neutral conditions by the reaction of aniline, isatoic…”
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Copper oxide nanoparticles catalyzed synthesis of aryl sulfides via cascade reaction of aryl halides with thiourea by Reddy, K. Harsha Vardhan, Reddy, V. Prakash, Shankar, J., Madhav, B., Anil Kumar, B.S.P., Nageswar, Y.V.D.

“…Recyclable copper oxide nanoparticles catalyzed simple and highly efficient protocol for the synthesis of symmetrical aryl sulfides was developed by the…”
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Metal free synthesis of diaryl selenides using SeO 2 as a selenium source by Kumar, R. Uday, Reddy, K. Harsha Vardhan, Satish, G., Swapna, K., Nageswar, Y.V.D.

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Erratum to “A mild method for the replacement of a hydroxyl group by halogen: 2. unified procedure and stereochemical studies” Tetrahedron 76 (37) (11 September 2020) 131441 by Gati, Wafa, Munyemana, François, Colens, Alain, Srour, Aladdin, Dufour, Mathilde, Reddy, K. Harsha Vardhan, Téchy, Brigitte, Rosse, Gérard, Schweiger, Ed, Qiao, Qi, Ghosez, Léon

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Metal free synthesis of diaryl selenides using SeO2 as a selenium source by Kumar, R. Uday, Reddy, K. Harsha Vardhan, Satish, G., Swapna, K., Nageswar, Y.V.D.

“…[Display omitted] •High functional group compatibility.•High yields.•Avoiding harmful organic solvents.•This protocol may be useful for basic as well as…”
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An efficient synthesis of N-substituted indoles from indoline/indoline carboxylic acid via aromatization followed by C–N cross-coupling reaction by using nano copper oxide as a recyclable catalyst by Reddy, K. Harsha Vardhan, Satish, G., Ramesh, K., Karnakar, K., Nageswar, Y.V.D.

“…A new and elegant protocol for the synthesis of 1-substituted indoles was developed via aromatization of indoline/indoline carboxylic acid followed by C–N…”
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