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International MES research in marine-systems with focus on marine-underwater, nanotechnology. Abstract This research presents a novel biological route for the biosynthesis o...

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System
not_BES

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Abstract

Abstract This research presents a novel biological route for the biosynthesis of nickel oxide nanoparticles (NiO NPs) using marine macroalgae extract as a reducing and coating agent under optimized synthesis conditions. XRD and TEM analyses revealed that phytosynthesized NiO NPs are crystalline in nature with a spherical shape having a mean particle size of 11±1 nm. It is found that biogenic NiO NPs is a highly efficient catalyst for benign one-pot preparation of pyridopyrimidine derivatives using aqueous reaction conditions. This environmentally friendly procedure takes considerable advantages of shorter reaction times, excellent product yields (up to 96%), magnetically reusable nanocatalyst (7 runs), low catalyst loadings, and free toxic chemical reagents.

Keywords

Non-blocking I/OReagentNickel oxideCatalysisAqueous solutionNickel

Identifiers

DOI
10.21203/rs.3.rs-113388/v1
Journal
Research Square
Year
2020