Supported molybdenum on graphene oxide/Fe3O4: An efficient, magnetically separable catalyst for one-pot construction of spiro-oxindole dihydropyridines in deep eutectic solvent under microwave irradiation

2017 ◽  
Vol 88 ◽  
pp. 39-44 ◽  
Author(s):  
Mo Zhang ◽  
Yu-Heng Liu ◽  
Ze-Ren Shang ◽  
Hai-Chuan Hu ◽  
Zhan-Hui Zhang
Keyword(s):  
Graphene Oxide ◽  
Microwave Irradiation ◽  
Deep Eutectic Solvent ◽  
One Pot ◽  
Magnetically Separable Catalyst ◽  
Magnetically Separable

Magnetically separable graphene oxide anchored sulfonic acid: a novel, highly efficient and recyclable catalyst for one-pot synthesis of 3,6-di(pyridin-3-yl)-1H-pyrazolo[3,4-b]pyridine-5-carbonitriles in deep eutectic solvent under microwave irradiation

RSC Advances ◽  
2016 ◽  
Vol 6 (108) ◽  
pp. 106160-106170 ◽  
Author(s):  
Mo Zhang ◽  
Peng Liu ◽  
Yu-Heng Liu ◽  
Ze-Ren Shang ◽  
Hai-Chuan Hu ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Microwave Irradiation ◽  
Sulfonic Acid ◽  
Deep Eutectic Solvent ◽  
Acid Catalyst ◽  
Recyclable Catalyst ◽  
One Pot ◽  
One Pot Synthesis ◽  
Three Component Reaction ◽  
Magnetically Separable

A magnetic separable sulfonic acid catalyst was prepared and applied for the synthesis of 3,6-di(pyridin-3-yl)-1H-pyrazolo[3,4-b]pyridine-5-carbonitriles via three-component reaction of 1-phenyl-3-(pyridin-3-yl)-1H-pyrazol-5-amine, β-ketonitrile and aldehydes in DES.

Au nanoparticles supported on magnetically separable Fe2O3–graphene oxide hybrid nanosheets for the catalytic reduction of 4-nitrophenol

RSC Advances ◽  
2015 ◽  
Vol 5 (10) ◽  
pp. 7554-7558 ◽  
Author(s):  
Hyunje Woo ◽  
Ji Woong Kim ◽  
Miran Kim ◽  
Sungkyun Park ◽  
Kang Hyun Park
Keyword(s):  
Graphene Oxide ◽  
Hydrothermal Synthesis ◽  
Au Nanoparticles ◽  
Catalytic Reduction ◽  
One Pot ◽  
Magnetically Separable ◽  
Synthesis Approach

A one-pot hydrothermal synthesis approach was developed to prepare FeSO4·(H2O)–graphene oxide (GO) nanosheets. Au nanoparticles were immobilized onto this support, giving Au/Fe2O3–GO nanocomposites.

Microwave-assisted synthesis of multiply-twinned Au–Ag nanocrystals on reduced graphene oxide for high catalytic performance towards hydrogen evolution reaction

2016 ◽  
Vol 4 (10) ◽  
pp. 3865-3871 ◽  
Author(s):  
Yuchen Qin ◽  
Xiaoping Dai ◽  
Xin Zhang ◽  
Xingliang Huang ◽  
Hui Sun ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Microwave Irradiation ◽  
Reduced Graphene Oxide ◽  
Hydrogen Evolution Reaction ◽  
Catalytic Performance ◽  
Microwave Assisted Synthesis ◽  
One Pot ◽  
Microwave Assisted ◽  
Reduced Graphene ◽  
Ag Ncs

Multiply-twinned Au–Ag NCs/rGO are prepared by a one-pot method under microwave irradiation and exhibit excellent HER activity and stability.

scholarly journals Supported l-tryptophan on Fe3O4@SiO2 as an efficient and magnetically separable catalyst for one-pot construction of spiro[indene-2,2′-naphthalene]-4′-carbonitrile derivatives

RSC Advances ◽  
2022 ◽  
Vol 12 (3) ◽  
pp. 1319-1330
Author(s):  
Aref Ghasemi-Ghahsareh ◽  
Javad Safaei-Ghomi ◽  
Hourieh Sadat Oboudatian
Keyword(s):  
Magnetic Nanoparticles ◽  
Functionalized Silica ◽  
Magnetic Nanocatalyst ◽  
One Pot ◽  
Magnetically Separable Catalyst ◽  
Magnetically Separable ◽  
The One

l-Tryptophan functionalized silica-coated magnetic nanoparticles were prepared and evaluated as a magnetic nanocatalyst for the synthesis of spiro[indene-2,2′-naphthalene]-4′-carbonitrile derivatives through the one-pot four-component reaction.

Ultrasound promoted facile one pot synthesis of highly substituted pyran derivatives catalyzed by silica-coated magnetic NiFe2O4nanoparticle-supported H14[NaP5W30O110] under mild conditions

RSC Advances ◽  
2016 ◽  
Vol 6 (99) ◽  
pp. 96644-96661 ◽  
Author(s):  
Behrooz Maleki ◽  
Mehdi Baghayeri ◽  
Sedigheh Ayazi Jannat Abadi ◽  
Reza Tayebee ◽  
Amir Khojastehnezhad
Keyword(s):  
Ultrasonic Method ◽  
Reaction Times ◽  
One Pot ◽  
Mild Conditions ◽  
One Pot Synthesis ◽  
Magnetically Separable Catalyst ◽  
P Application ◽  
Magnetically Separable ◽  
Work Up ◽  
Minimum Work

Application of ultrasonic method as a green source of energy to reduce the reaction times compared to conventional processes. NiFe2O4@SiO2–H14[NaP5W30O110] was used as magnetically separable catalyst for synthesis of pyrans with minimum work up.

Synthesis of a Ni0.8Zn0.2Fe2O4–RGO nanocomposite: an excellent magnetically separable catalyst for dye degradation and microwave absorber

RSC Advances ◽  
2016 ◽  
Vol 6 (17) ◽  
pp. 14090-14096 ◽  
Author(s):  
D. Moitra ◽  
B. K. Ghosh ◽  
M. Chandel ◽  
R. K. Jani ◽  
M. K. Patra ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Reduced Graphene Oxide ◽  
Dye Degradation ◽  
Microwave Absorber ◽  
Precipitation Technique ◽  
Reduced Graphene ◽  
Magnetically Separable Catalyst ◽  
Magnetically Separable ◽  
Co Precipitation

A Ni0.8Zn0.2Fe2O4 reduced graphene oxide nanocomposite has been synthesized by a simple ‘in situ co-precipitation’ technique.

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