Abstract
This study was aimed to synthesis Ag2O nanoparticles (N.P.s) utilizing the Ginger plant (Zingiber officinale) extract. As catalysts for pyran derivatives formation employing a three-component coupling reaction among aromatic and aliphatic aldehydes, malononitrile, and dimedone. The nanoparticles exhibit robust catalytic activity with high productivity. Results revealed that Ag2O NPs improved various vital features, like higher yields, reaction time, simple chemical separation, catalytic economic efficiency, and quick process. This study aimed to cyclize heterocyclic compounds to provide new hetero compounds applying nano-oxides obtained from natural (unmanufactured) sources and used in several medical, pharmaceutical, and industrial implementations. The outcomes nanoparticles were examined by Fourier Transform Infrared spectroscopy (FTIR) and transmission electron microscopy (T.E.M.); the chemical characteristics of the outcome compounds were tested by spectroscopy techniques (FTIR spectroscopy and 1H-NMR).
Highlights
Nanotechnology is of growing interest in several science fields due to its miniaturization capacity and the essential characteristics related to small particle size [1]
The CuO NPs were utilized as a nano-catalyst for the synthesis and polymerization of 1Hpyrazolo[1,2-b]phthalazine-5,10-dione derivatives three-component coupling reaction between malononitrile and aldehydes, 5,5diethyl-2,3-dihydrophthalazine-1,4(5H,8H)dione
Results showed that CuO NPs enhanced several significant points positively, such as reaction time, catalytic economic efficiency, simple chemical separation, quick process, higher yields, and no harmful by-products [4].The Pyran family has been confirmed to be the primary organic compound that shows infectious, antitumor, antibacterial, antiallergic and immune-modulating activity
Summary
Nanotechnology is of growing interest in several science fields due to its miniaturization capacity and the essential characteristics related to small particle size [1]. FT-IR spectrum [29] was used to diagnose the structure of compound [C2], which revealed a stretched vibration of (NH2) group (3475-3437) cm-1 related to ν (NH2) asymmetric and symmetric, ν(C-H) aliphatic at (2850), ν(C-H) aromatic at (3024.38), ν(C=C) at (1670) ν(C≡N) at (2235). A thiazolidine compound was synthesized due Compound [C7] revealed an absorption band to the compound's reaction [C5] with ν(C-S-C) at ν (1389-1396), ν (OH) acid at Mercaptoacetic acid in DMF solvent; the (3460) cm-1, ν(C-H) aromatic at (3078), (C=O) mixture refluxed for 8 hrs.
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