Highly sulfonated graphene and graphene oxide nanosheets as heterogeneous nanocatalysts in green synthesis of bisphenolic antioxidants under solvent free conditions

RSC Advances ◽  
2014 ◽  
Vol 4 (99) ◽  
pp. 56475-56488 ◽  
Author(s):  
Hossein Naeimi ◽  
Mohsen Golestanzadeh
Keyword(s):  
Graphene Oxide ◽  
Green Synthesis ◽  
Solvent Free ◽  
Functionalized Graphene ◽  
Graphene Oxide Nanosheets ◽  
Catalytic Activities ◽  
Solvent Free Conditions ◽  
Sulfonated Graphene

Sulfonated functionalized graphene and graphene oxide nanosheets were prepared via chemical approaches and their catalytic activities were investigated in the green synthesis of 6,6′-(arylmethylene)bis(2,4-dialkylphenol) antioxidants.

scholarly journals Multisulfonate hyperbranched polyglycerol functionalized graphene oxide as an efficient reusable catalyst for green synthesis of benzo[a]pyrano-[2,3-c]phenazines under solvent-free conditions

RSC Advances ◽  
2019 ◽  
Vol 9 (13) ◽  
pp. 7400-7410 ◽  
Author(s):  
Hossein Naeimi ◽  
Maryam Farahnak Zarabi
Keyword(s):  
Graphene Oxide ◽  
Green Synthesis ◽  
Acid Catalyst ◽  
Solvent Free ◽  
Reusable Catalyst ◽  
Hydroxyl Groups ◽  
Functionalized Graphene ◽  
Functionalized Graphene Oxide ◽  
Solvent Free Conditions ◽  
Hyperbranched Polyglycerol

A novel acid catalyst was prepared based on growing hyperbranched polyglycerol (HPG) on the surface of graphene oxide. Then, the hydroxyl groups of HPG on graphene oxide were functionalized by sulfonate groups to form an acid catalyst.

scholarly journals 12-Molybdophosphoric acid anchored on aminopropylsilanized magnetic graphene oxide nanosheets (Fe3O4/GrOSi(CH2)3–NH2/H3PMo12O40): a novel magnetically recoverable solid catalyst for H2O2-mediated oxidation of benzylic alcohols under solvent-free conditions

RSC Advances ◽  
2018 ◽  
Vol 8 (13) ◽  
pp. 6768-6780 ◽  
Author(s):  
Saeed Farhadi ◽  
Mohammad Hakimi ◽  
Mansoureh Maleki
Keyword(s):  
Graphene Oxide ◽  
Solvent Free ◽  
Solid Catalyst ◽  
Molybdophosphoric Acid ◽  
Graphene Oxide Nanosheets ◽  
Magnetic Graphene Oxide ◽  
Benzylic Alcohols ◽  
Recoverable Catalyst ◽  
Solvent Free Conditions ◽  
Magnetically Recoverable Catalyst

12-Molybdophosphoric acid was anchored on magnetic aminopropylsilanized graphene oxide nanosheets and used as a magnetically recoverable catalyst for solvent-free selective oxidation of benzylic alcohols into the carbonyl compounds with H2O2.

scholarly journals Erratum: Sensitive capture of circulating tumour cells by functionalized graphene oxide nanosheets

2013 ◽  
Vol 8 (11) ◽  
pp. 881-881 ◽  
Author(s):  
Hyeun Joong Yoon ◽  
Tae Hyun Kim ◽  
Zhuo Zhang ◽  
Ebrahim Azizi ◽  
Trinh M. Pham ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Tumour Cells ◽  
Circulating Tumour Cells ◽  
Functionalized Graphene ◽  
Graphene Oxide Nanosheets ◽  
Functionalized Graphene Oxide

scholarly journals Green synthesis of new lawsone enaminones and their Z/E(CC)-isomerization induced by organic solvent

RSC Advances ◽  
2021 ◽  
Vol 11 (21) ◽  
pp. 12990-12994
Author(s):  
Abolfazl Olyaei ◽  
Amir Mohamadi ◽  
Nilufar Rahmani
Keyword(s):  
Organic Solvent ◽  
Green Synthesis ◽  
Aromatic Amines ◽  
Solvent Free ◽  
Triethyl Orthoformate ◽  
Guanidinium Chloride ◽  
New Class ◽  
Solvent Free Conditions

The synthesis of a new class of lawsone enaminone derivatives by using lawsone, triethyl orthoformate and aromatic amines in the presence of guanidinium chloride under solvent-free conditions has been developed.

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