Zobrazeno 1 - 10 of 55 pro vyhledávání: '"P.P. Basu"'
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Synthesis of tetrahydrothiopyrano[2,3-b]indoles via [3+3] annulation of nitroallylic acetates with indoline-2-thiones
Autor: Irishi N. N. Namboothiri, Chiranjit Hazra, P.P. Basu, Thekke V. Baiju
Publikováno v: New Journal of Chemistry. 44:1389-1399
An efficient one-pot method has been developed for the regio- and stereoselective synthesis of thiopyran annulated indoles. It involves a base mediated cascade [3+3] annulation of indoline-2-thiones and nitroallylic acetates. The tetrahydrothiopyrano
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::de1bba59dbc2dd1f4b81d3b4ef7a9b1f
https://doi.org/10.1039/c9nj04754a
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Synthesis of indenofurans, benzofurans and spiro-lactones via Hauser-Kraus annulation involving 1,6-addition of phthalide to quinone methides
Autor: Nishikant Satam, Irishi N. N. Namboothiri, P.P. Basu
Publikováno v: Organicbiomolecular chemistry. 18(29)
An unprecedented reactivity of 3-sulfonylphthalide with 2-hydroxyaryl-p-quinone methides (HQMs) is reported here. A cascade of reactions starting with 1,6-addition and Dieckmann cyclization produced a diverse array of indenofurans and benzofurans in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b2a73c0cc0a3ea39dfff78756eb1585f
https://pubmed.ncbi.nlm.nih.gov/32662476
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4
Synthesis of Functionalized Arenopyrans and Arenylsulfanes by Reacting Nitroallylic Acetates with Arenols and Arenethiols
Autor: Tarun Kumar, P.P. Basu, Irishi N. N. Namboothiri, Robi Sikdar
Publikováno v: European Journal of Organic Chemistry. 2018:5735-5743
Nitroallylic acetates react with naphthols and electron-rich phenols under mild conditions (TEA, DCM, room temp.) to afford arenopyrans in moderate to excellent yields. Such (3+3) annulation of a 1,3-bielectrophilic nitroallylic acetate and a 1,3-bin
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ec68bf5180dc65c77704f75409af9959
https://doi.org/10.1002/ejoc.201801132
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5
Akademický článek
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Carbon Nanotube-Ruthenium Hybrids for the Partial Reduction of 2-Nitrochalcones: Easy Access to QuinolineN-Oxides
Autor: Kalisankar Bera, P.P. Basu, Nimesh Shah, Irishi N. N. Namboothiri, Edmond Gravel, Praveen Prakash, Eric Doris
Publikováno v: ChemCatChem. 8:1298-1302
A ruthenium-carbon nanotube nanohybrid was employed as a catalyst in the tandem transformation of nitrochalcones into quinoline N-oxides. Partial reduction of the nitro group to a hydroxylamine, followed by insitu intramolecular condensation to the c
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::052f9540ceef440bb2339373b2d51671
https://doi.org/10.1002/cctc.201600042
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8
Supramolecular Assembly of Gold Nanoparticles on Carbon Nanotubes: Application to the Catalytic Oxidation of Hydroxylamines
Autor: Eric Doris, Nimesh Shah, P.P. Basu, Simon Donck, Irishi N. N. Namboothiri, Edmond Gravel, Praveen Prakash
Publikováno v: Nanomaterials; Volume 6; Issue 3; Pages: 37
Nanomaterials
A supramolecular heterogeneous catalyst was developed by assembly and stabilization of gold nanoparticles on the surface of carbon nanotubes. A layer-by-layer assembly strategy was used and the resulting nanohybrid was involved in the catalytic oxida
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4ab64b113307a143082dd89468d7c997
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