Výsledky vyhledávání - "Sankar Bharani"

Trienamine catalysed unprecedented remote olefin E/Z isomerisation/[4 + 2]-cycloaddition reaction to access spirooxindole hexahydroindoles

Autor: Madavi S. Prasad, Murugesan Sivaprakash, Sankar Bharani, L. Raju Chowhan

Publikováno v: Organic & Biomolecular Chemistry. 21:945-949

The first report on trienamine-catalyzed remote olefin E/Z isomerization followed by a [4 + 2]-cycloaddition reaction is disclosed.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8bca96bfd88cc79530adcb05060f0599
https://doi.org/10.1039/d2ob02228a

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DABCO-promoted highly diastereo- and regioselective construction of C-3 functionalized spirooxindoles via [3 + 2] cycloaddition of 2-aryl/heteroarylidene-1H-indene-1,3(2H)-diones with N-2,2,2-trifluoroethylisatin ketimines at ambient conditions

Autor: Madavi S. Prasad, Sankar Bharani, Syed Mastan Sharief, Mudavath Ravi, Murugesan Sivaprakash, Biplob Borah, L. Raju Chowhan

Publikováno v: RSC Advances. 12:34941-34945

A highly chemo- and regioselective construction of spiropyrrolidine oxindole is devised via DABCO catalysed [3 + 2] cycloaddition reaction.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8e8e86fcb9fc428e79484bd006e58808
https://doi.org/10.1039/d2ra07141j

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Trienamine catalysed unprecedented remote olefin

Autor: Madavi S, Prasad, Murugesan, Sivaprakash, Sankar, Bharani, L Raju, Chowhan

Publikováno v: Organicbiomolecular chemistry.

Herein, for the first time, we report the asymmetric synthesis of an unexpected stereoisomer of spirohexahydroindole

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::63b8f86a99393f8baee52cdb8b8ef973
https://pubmed.ncbi.nlm.nih.gov/36606372

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N-2,2,2-trifluoroethylisatinketimine as a 1,2-dipolarophile for [3+2]- addition to access optically pure spirothiazolidine oxindoles

Autor: Madavi S. Prasad, Sankar Bharani, Sivaprakash Murugesan, Prabha Vadivelu, Durairajan Siva Sundara Kumar, L Raju Chowhan

Publikováno v: Organic & Biomolecular Chemistry.

The first report on using N-2,2,2-trifluoroethylisatinketimine as 1,2-dipolarophile for [3+2]-addition and the first asymmetric synthesis of N-2,2,2-trifluoroethylspirothiazolidine oxindoles is described. The organocatalyzed asymmetric [3+2]-addition

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::44d22cfd60200bc6c208bcd184de5fd5
https://doi.org/10.1039/d3ob00685a

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