Zobrazeno 1 - 10 of 11 pro vyhledávání: '"Sudheesh T. Sivanandan"'
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Synthesis of Densely Substituted Sulfonylfurans and Dihydrofurans via Cascade Reactions of α-Functionalized Nitroalkenes with β-Ketosulfones
Autor: Adilson Beatriz, Vaijinath Mane, Sudheesh T. Sivanandan, Eufrânio N. da Silva Júnior, Rafael G. Santana, Irishi N. N. Namboothiri
Publikováno v: The Journal of Organic Chemistry. 85:8825-8843
The reaction of β-ketosulfones with different α-functionalized nitroalkenes affords diversely substituted sulfonylfurans and dihydrofurans. Furthermore, β-ketosulfones react with α-bromonitroalkenes and α-hydrazinonitroalkenes via a cascade Mich
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9655725147ac68284bfcd9a6e4942cae
https://doi.org/10.1021/acs.joc.0c00606
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5
Metal-Free and Regioselective Synthesis of Functionalized α-Carbolines via [3 + 3] Annulation of Morita-Baylis-Hillman Acetates of Nitroalkenes with Iminoindolines
Autor: Irishi N. N. Namboothiri, Sudheesh T. Sivanandan
Publikováno v: The Journal of organic chemistry. 86(12)
A facile, metal-free method for the synthesis of substituted α-carbolines from secondary Morita-Baylis-Hillman (MBH) acetates of nitroalkenes is presented. The cascade reaction of MBH acetates with tosyliminoindolines occurs regioselectively to form
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e075da3db6e03ffebf321433e2443534
https://pubmed.ncbi.nlm.nih.gov/34048259
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8
Quinonoid compounds via reactions of lawsone and 2-aminonaphthoquinone with α-bromonitroalkenes and nitroallylic acetates: Structural diversity by C-ring modification and cytotoxic evaluation against cancer cells
Autor: Lucas Brito, Bruno C. Cavalcanti, Sudheesh T. Sivanandan, Eufrânio N. da Silva Júnior, Renata G. Almeida, Thekke V. Baiju, Carlos A. de Simone, Cláudia Pessoa, Irishi N. N. Namboothiri
Publikováno v: European journal of medicinal chemistry. 151
Morita-Baylis-Hillman acetates and α-bromonitroalkenes have been employed in cascade reactions with lawsone and 2-aminonaphthoquinone for the one-pot synthesis of heterocycle fused quinonoid compounds. The reactions reported here utilized the 1,3-bi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8d41ec5ba9ed2b8a27382012b0417e86
https://pubmed.ncbi.nlm.nih.gov/29660689
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9
Palladium-Catalyzed α-Arylation Reactions in Total Synthesis
Autor: Thomas J. Colacot, Ibrahim Ibnusaud, Sudheesh T. Sivanandan, Carin C. C. Johansson Seechurn, Ashna Shaji
Publikováno v: European Journal of Organic Chemistry. 2015:38-49
The development of palladium-catalyzed α-arylation of carbonyl compounds has emerged as a new avenue in the design of new routes for the synthesis of natural products and active pharmaceutical ingredients (APIs). In many cases, syntheses based on α
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e4dd62eb7641eed87979cfa9d8a0d8f8
https://doi.org/10.1002/ejoc.201403301
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10
Base and catalyst-free synthesis of nitrobenzodiazepines via a cascade N-nitroallylation-intramolecular aza-Michael addition involving o-phenylenediamines and nitroallylic acetates
Autor: Divya K. Nair, Sudheesh T. Sivanandan, Irishi N. N. Namboothiri, Pravin S. Kendrekar
Publikováno v: Tetrahedron. 75:130761
A [4+3] annulation of o-phenylenediamines with primary nitroallylic acetates affords nitrobenzodiazepines (NBDZs) in good to excellent yield. The reaction which proceeds in MeOH at room temperature in the absence of any base or catalyst involves a ca
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::188e08a3af95ee2143251a301e1271b0
https://doi.org/10.1016/j.tet.2019.130761
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