Synthesis of Palladium Nanoparticle by Bio-reduction Method and Its Effectiveness as Heterogeneous Catalyst Towards Selective Oxidation of Benzyl Alcohols in Aqueous Media

This work describes a practical methodology for C–C bond formation reactions with the aid of biogenic palladium nanoparticles, which are synthesized by using phytochemicals extracted from two common plant species. Comparative studies have been done on the activity of two plant species ( Ocimum sanctum and Aloe vera ) in generation of palladium nanoparticles via ex situ and in situ methods. The structural and morphological characteristics of the nanoparticles are examined by UV/visible spectroscopy, powder X-ray diffraction, X-ray photoelectron spectroscopy, Fourier transform infrared spectroscopy, and transmission electron microscopy analyses. We have observed a significant influence of the substrates on the catalytic activity of the palladium nanoparticles in Sonogashira and Suzuki cross-coupling reactions.

show abstract

“…The mixture was sonicated for 30 min to obtain the uniform gel type extract and then stored in the refrigerator for further use. 60…”

Section: Methodsmentioning

confidence: 99%

Effect of Substrates on Catalytic Activity of Biogenic Palladium Nanoparticles in C–C Cross-Coupling Reactions

et al. 2019

View full text Add to dashboard Cite

show abstract

“…Hence, plant mediated syntheses of PdNPs, has gained many recent attentions[ 19 , 20 ]. Examples include use of peel-extract of banana [ 21 ], leaf-extracts of Pulicaria glutinosa [ 16 ], Perilla frutescens [ 17 ], Euphorbia granulate [ 22 ], Ocimum Sanctum [ 23 ], Origanum vulgare [ 24 ], etc . and some of the systems have been successfully applied as catalysts for organic reactions like Suzuki-Miyaura reactions[ 16 , 21 , 25 – 28 ], oxidation of alcohols [ 24 ], hydrodechlorination of p-chlorophenol [ 29 ], etc .…”

Section: Introductionmentioning

confidence: 99%

Biogenic synthesis of palladium nanoparticles and their applications as catalyst and antimicrobial agent

et al. 2017

View full text Add to dashboard Cite

This paper describes a simple in-situ process of synthesizing highly dispersed palladium nanoparticles (PdNPs) using aqueous leaf extract of GarciniapedunculataRoxb as bio-reductant and starch (0.3%) as bio-stabilizer. The PdNPs are characterized by techniques like FTIR, TEM, SEM-EDX, XRD and XPS analysis. It is worthnoting thatwhen the synthesis of nanoparticles was carried out in absence of starch, agglomeration of particles has been noticed.The starch-assisted PdNPs showed excellent aqueous-phase catalytic activities for three important reactions: the Suzuki-Miyaura cross-coupling reactions of aryl halides (aryl bromides and iodides) with arylboronic acids; selective oxidations of alcohols to corresponding carbonyl compounds; and reduction of toxic Cr(VI) to nontoxic Cr(III). Our catalyst could be reused up to four cycles without much compromising with its activity. Furthermore, the material also demonstrated excellent antimicrobial and anti-biofilm activities against a novel multidrug resistant clinical bacterial isolate Cronobactersakazakii strain AMD04. The minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC) of PdNPswere found to be 0.06 and 0.12 mM respectively.

show abstract

“…Thus, from the standpoint of the reduction of environmental burdens and cost effectiveness, environmentally benign methods of nanoparticles synthesis are highly appealing. 19,[33][34][35] Biosynthesis of metal nanoparticles using plant materials can be used without maintaining cell culture and can suitably be scaled to large-scale nanoparticle synthesis, that's why receiving apex priority over other biological methods. 36,37 Various plant extracts, such as Tulsi (Ocimum sanctum), 33,38 tea, 37 coffee, 39 C. Camphora, 40 Magnolia, 36 soyabean 41 etc.…”

Section: Introductionmentioning

confidence: 99%

Green synthesis of graphene oxide (GO)-anchored Pd/Cu bimetallic nanoparticles usingOcimum sanctumas bio-reductant: an efficient heterogeneous catalyst for the Sonogashira cross-coupling reaction

et al. 2020

Self Cite

View full text Add to dashboard Cite

show abstract

Synthesis of Palladium Nanoparticle by Bio-reduction Method and Its Effectiveness as Heterogeneous Catalyst Towards Selective Oxidation of Benzyl Alcohols in Aqueous Media

Cited by 20 publications

References 18 publications

Effect of Substrates on Catalytic Activity of Biogenic Palladium Nanoparticles in C–C Cross-Coupling Reactions

Effect of Substrates on Catalytic Activity of Biogenic Palladium Nanoparticles in C–C Cross-Coupling Reactions

Biogenic synthesis of palladium nanoparticles and their applications as catalyst and antimicrobial agent

Green synthesis of graphene oxide (GO)-anchored Pd/Cu bimetallic nanoparticles usingOcimum sanctumas bio-reductant: an efficient heterogeneous catalyst for the Sonogashira cross-coupling reaction

Contact Info

Product

Resources

About