Výsledky vyhledávání - "Parmita Phukan"

Akademický článek

K2CO3/PG DES promoted transition metal free room temperature synthesis of nitroaldols and nitroolefins

Publikováno v: Current Research in Green and Sustainable Chemistry, Vol 5, Iss , Pp 100259- (2022)

In this work, we have described the use of K2CO3/Propylene Glycol (PG) deep eutectic solvent (DES) as green and efficient alternative to volatile organic solvents for the formation of a very important reaction intermediate i.e., nitroaldols via Henry

Externí odkaz: https://doaj.org/article/d4f0b3b1fa634ac4a4071e108c53487d

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Fabrication of polypyrrole/Cu(ii) nanocomposite through liquid/liquid interfacial polymerization: a novel catalyst for synthesis of NH-1,2,3-triazoles in PEG-400

Autor: Ratan Boruah, Diganta Sarma, Rupkamal Chetia, Parmita Phukan, Surajit Konwer

Publikováno v: Materials Advances. 2:6996-7006

In the present paper, we have reported the synthesis and application of a polypyrrole (PPy)/Cu(II) nanocomposite as an efficient heterogeneous catalyst for the synthesis of 4-aryl-NH-1,2,3-triazoles. The nanocomposite was prepared via liquid/liquid i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6010892483930e2e4833190969536250
https://doi.org/10.1039/d1ma00700a

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Designing a new basic ionic liquid [DHIM][OH] as a task specific bifunctional catalyst for facile microwave assisted metal free synthesis of 5-amino-1,2,3-triazoles

Autor: Bidyutjyoti Dutta, Diganta Sarma, Anirban Garg, Parmita Phukan, Akshay Kulshrestha, Arvind Kumar

Publikováno v: New Journal of Chemistry. 45:12792-12797

A green protocol for the synthesis of a series of 5-amino-1,2,3-triazoles from benzyl cyanide and phenyl azide derivatives catalyzed by the novel bifunctional ionic liquid [DHIM][OH] under microwave irradiation has been developed. The bifunctional io

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4453c04754208b9d67794312b7c645b1
https://doi.org/10.1039/d1nj02391h

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Zinc Oxide Nanoparticles Catalysed One-Pot Three-Component Reaction: A Facile Synthesis of 4-Aryl-NH-1,2,3-Triazoles

Autor: Diganta Sarma, Parmita Phukan, Soniya Agarwal, Kalyanjyoti Deori

Publikováno v: Catalysis Letters. 150:2208-2219

A facile one-pot, three component reaction has been developed using aldehydes, nitroalkane and sodium azide with zinc oxide nanocatalyst for the synthesis of 4-aryl-NH-1,2,3-triazoles. ZnO nanoparticles with controlled size (15–25 nm) and morpholog

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7836d2ea3fe72fae94d1666b2194aaf8
https://doi.org/10.1007/s10562-020-03143-w

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Cu(II) ionic liquid promoted Simple and Economical Synthesis of 1,4-disubstituted-1,2,3-triazoles with Low Catalyst Loading

Autor: Parmita Phukan, Srijita chakraborti, Akshay Kulshrestha, Arvind Kumar, Diganta Sarma, Pronobesh Chattopadhyay

Publikováno v: Journal of Chemical Sciences. 133

In this work, we have described a very simple and low metal loading copper-based ionic liquid as solvent and catalyst for regioselective synthesis of 1,4-disubstituted-1,2,3-triazoles. The proposed protocol proved its efficiency by showing excellent

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ffa19dbbd099f45389175c94b9c36f53
https://doi.org/10.1007/s12039-021-01980-9

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Versatile precursor-dependent copper sulfide nanoparticles as a multifunctional catalyst for the photocatalytic removal of water pollutants and the synthesis of aromatic aldehydes and NH-triazoles

Autor: Kalyanjyoti Deori, Soniya Agarwal, Diganta Sarma, Parmita Phukan

Publikováno v: Nanoscale advances. 3(13)

A series of copper sulfide (CS) nanoparticles (NPs) were synthesized just by varying the amount of the sulfur precursor and have been explored for the first time as a three-way heterogeneous catalyst in the photocatalytic oxidation of a number of aro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::18e9df8f6818b68659848c29b36e05a5
https://pubmed.ncbi.nlm.nih.gov/36133004

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Ionic liquids as green solvents in the synthesis of pharmaceutically important compounds

Autor: Diganta Sarma, Parmita Phukan

The aim of chemical industries is to discover and implement environment friendly methodologies towards the overall development and progress of global society. In an effort to improve sustainability, pharmaceutical companies have adopted green techniq

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::726370472fec7d8937b8627077c92e37
https://doi.org/10.1016/b978-0-12-821885-3.00003-7

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Magnetically separable ZnFe2O4 nanoparticles: A low cost and sustainable catalyst for propargyl amine and NH-triazole synthesis

Autor: Diganta Sarma, Swadhin Chetia, Arvind Kumar, Ankur Bordoloi, Parmita Phukan, Anirban Garg, Amlan Jyoti Kalita, Roktopol Hazarika, Akshay Kulshrestha, Ankur Kanti Guha

Publikováno v: Applied Catalysis A: General. 625:118338

The multicomponent reaction (MCR) strategy for the construction of important molecular scaffolds is in trending nowadays and among them, A3-coupling stands in a significant position. Aldehyde, amine and alkynes are coupled in this particular reaction

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d6d5220aea6ba5a0943db116b0612fdd
https://doi.org/10.1016/j.apcata.2021.118338

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