Výsledky vyhledávání - "Zigmee T. Bhutia"

Iodine Promoted Efficient Synthesis of 2-Arylimidazo[1,2-a]pyridines in Aqueous Media: A Comparative Study between Micellar Catalysis and an 'On-Water' Platform

Autor: Padmini C. Panjikar, Shruti Iyer, Zigmee T. Bhutia, Mainak Banerjee, Amrita Chatterjee

Publikováno v: ACS Omega, Vol 5, Iss 22, Pp 13333-13343 (2020)

In a new and environmentally sustainable approach, a series of 2-arylimidazo[1,2-a]pyridine derivatives were synthesized in aqueous media in the presence of iodine as a catalyst. The reaction proceeded by condensation of various aryl methyl ketones w

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::918869252c0d5140fdd6a3aeee945639
https://doi.org/10.1021/acsomega.0c01478

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Efficient and 'Green' Synthetic Route to Imidazo[1,2‑a]pyridine by Cu(II)–Ascorbate-Catalyzed A3‑Coupling in Aqueous Micellar Media

Autor: Dharmendra Das, Mainak Banerjee, Amrita Chatterjee, Zigmee T. Bhutia

Publikováno v: ACS Omega, Vol 4, Iss 3, Pp 4481-4490 (2019)

An efficient and environmentally sustainable method for the synthesis of imidazo[1,2-a]pyridine derivatives by domino A3-coupling reaction catalyzed by Cu(II)-ascorbate was developed in aqueous micellar media in the presence of sodium dodecyl sulfate

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::662784d5a81dbf75252c6b6abbafad00
https://doaj.org/article/f2d413bf1add4cbc82f2990f123b0f8d

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7-Oxa-4-thia-1-aza-bicyclo[3.2.1]octane 4,4-Dioxides: Mechanochemical Synthesis by Tandem Michael Addition-1,3-Dipolar Cycloaddition of Aldoximes and Evaluation of Antibacterial Activities

Autor: Avijit Das, Mainak Banerjee, Zigmee T. Bhutia, Amrita Chatterjee, Malabika Biswas

Publikováno v: European Journal of Organic Chemistry. 2018:506-514

A solvent-free, green and efficient mechanochemical method for the synthesis of a series of bridged bicyclo aza-sulfone derivatives viz. 7-oxa-4-thia-1-aza-bicyclo[3.2.1]octane-4,4-dioxides via tandem Michael addition-1,3-dipolar cycloaddition of ald

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3fc0e400d075c2fa882d02024c172638
https://doi.org/10.1002/ejoc.201701511

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Mechanochemical Pd(II)-Catalyzed Direct and C-2-Selective Arylation of Indoles

Autor: Amrita Chatterjee, Dharmendra Das, Mainak Banerjee, Zigmee T. Bhutia

Publikováno v: The Journal of organic chemistry. 84(17)

A mechanochemical method for the preparation of synthetically useful 2-arylindoles is developed using Pd(II) as the catalyst in the absence of phosphine ligands in a ball-mill. The developed protocol is highly C-2 selective and tolerant of structural

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b39d0ed78a6956dedd2fe0fe76557a6e
https://pubmed.ncbi.nlm.nih.gov/31373493

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Efficient and 'Green' Synthetic Route to Imidazo[1,2

Autor: Zigmee T, Bhutia, Dharmendra, Das, Amrita, Chatterjee, Mainak, Banerjee

Publikováno v: ACS Omega

An efficient and environmentally sustainable method for the synthesis of imidazo[1,2-a]pyridine derivatives by domino A3-coupling reaction catalyzed by Cu(II)–ascorbate was developed in aqueous micellar media in the presence of sodium dodecyl sulfa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::531afc27486435c511f265e3041092b9
https://pubmed.ncbi.nlm.nih.gov/31459643

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In situ mechanochemical synthesis of nitrones followed by 1,3-dipolar cycloaddition: a catalyst-free, 'green' route to cis-fused chromano[4,3-c]isoxazoles

Autor: Amrita Chatterjee, Vikash Kumar, P. Geethika, Anurag Malik, Zigmee T. Bhutia, Biswajit Gopal Roy, Mainak Banerjee

Publikováno v: RSC Advances. 5:99566-99572

An efficient and catalyst-free method for the synthesis of cis-fused chromano[4,3-c]isoxazoles via intramolecular 1,3-dipolar nitrone cycloaddition involving hand-grinding in a mortar-pestle has been developed. The mechanochemical agitation was suffi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c228f31dbda9b52384c6af0456e59fda
https://doi.org/10.1039/c5ra21044e

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A simple and efficient mechanochemical route for the synthesis of 2-aryl benzothiazoles and substituted benzimidazoles

Autor: Vikash Kumar, Mainak Banerjee, Dipratn G. Khandare, Biswajit Gopal Roy, Amrita Chatterjee, Zigmee T. Bhutia, Mahesh S. Majik

Publikováno v: RSC Adv.. 4:39606-39611

An efficient and versatile mechanochemical route to 2-aryl benzothiazoles and both 2-substituted and 1,2-disubstituted benzimidazole derivatives has been developed via a simple mortar–pestle grinding method. The mechanochemical agitation was found

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fdc02506ad381ec6261b9a457b65bd3a
https://doi.org/10.1039/c4ra07058e

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