Výsledky vyhledávání

Low Melting Mixtures: Neoteric Solvents and/or Catalysts for a Green Approach to Organic Reactions

Autor: Krishnapillai Sreekumar, Letcy V. Theresa, Shaibuna Machingal

Publikováno v: Mini-Reviews in Organic Chemistry. 20:212-226

Abstract: In the past two decades, low melting mixtures have become attractive because of their interesting characteristics such as physicochemical properties, low cost of components, easiness of preparation, low toxicity, biorenewability and biodegr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e77bceb198bedc915e6fff994e755344
https://doi.org/10.2174/1570193x19666220314100418

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Akademický článek

Sustainable multicomponent one pot synthesis of pyranopyrazole derivatives in the presence of Lactic acid: Urea: NH4Cl

Autor: Letcy V. Theresa, Savitha D. Pradeep, Deepa Sebastian, K. Sreekumar

Publikováno v: Current Research in Green and Sustainable Chemistry, Vol 4, Iss , Pp 100194- (2021)

Owing to the importance of pyranopyrazole scaffolds, several methods for their synthesis were developed. The previous reports on the synthesis of pyranopyrazole derivatives suffered many drawbacks which included difficulty in the workup, longer react

Externí odkaz: https://doaj.org/article/0c6be415945446b58d17d58d5b02e928

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Neoteric deep eutectic solvents: history, recent developments, and catalytic applications

Autor: M. Shaibuna, Letcy V. Theresa, K. Sreekumar

Publikováno v: Soft Matter. 18:2695-2721

Deep eutectic solvents (DESs) are modified versions of ionic liquids (ILs) and are formed by the fusion of polar components (liquids or solids) via hydrogen bonding interactions.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d11a767c2f8e44115ea071184bb00ecc
https://doi.org/10.1039/d1sm01797g

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A new type IV DES: a competent green catalyst and solvent for the synthesis of α,β-unsaturated diketones and dicyano compounds by Knoevenagel condensation reaction

Autor: K. Hiba, Krishnapillai Sreekumar, Letcy V. Theresa, M. Shaibuna

Publikováno v: New Journal of Chemistry. 44:14723-14732

DESs are new and greener alternatives to ionic liquids formed by mixing components that are capable of forming hydrogen bonds between them. The strong hydrogen bond interactions between the constituents make a large depression in the melting points c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4d58a619a20ca157ba6494f67d950473
https://doi.org/10.1039/d0nj02852e

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A novel dendritic polymer based turn- off fluorescence sensor for the selective detection of cyanide ion in aqueous medium

Autor: A.M. Shebitha, Letcy V. Theresa, K. Hiba, K. Anjaly Jacob, G. Avudaiappan, Krishnapillai Sreekumar, Priya K. Shenoi, V. Unnikrishnan

Publikováno v: Reactive and Functional Polymers. 137:71-78

Porphyrin cored polyepichlorohydrin (POR-PECH) dendritic polymer was identified as an efficient turn-off fluorescence probe for selective determination of cyanide ion in aqueous medium. The dendritic polymer showed strong red fluorescence at 656 and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2e9be5d692e1556b6ded308f2d623b0f
https://doi.org/10.1016/j.reactfunctpolym.2019.01.018

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