scholarly journals Green Synthesis and Electrochemical Properties of Mono- and Dimers Derived from Phenylaminoisoquinolinequinones

Molecules ◽  
2019 ◽  
Vol 24 (23) ◽  
pp. 4378 ◽  
Author(s):  
Juana Andrea Ibacache ◽  
Jaime A. Valderrama ◽  
Judith Faúndes ◽  
Alex Danimann ◽  
Francisco J. Recio ◽  
...  
Keyword(s):  
Green Synthesis ◽  
Electrochemical Properties ◽  
Square Wave Voltammetry ◽  
Oxidation Process ◽  
Oxidative Amination ◽  
One Pot ◽  
Wave Voltammetry ◽  
Controlled Potential ◽  
The One ◽  
Controlled Potential Coulometry

In the search for new quinoid compounds endowed with potential anticancer activity, the synthesis of novel heterodimers containing the cytotoxic 7-phenylaminoisoquinolinequinone and 2-phenylaminonaphthoquinone pharmacophores, connected through methylene and ethylene spacers, is reported. The heterodimers were prepared from their respective isoquinoline and naphthoquinones and 4,4′-diaminodiphenyl alkenes. The access to the target heterodimers and their corresponding monomers was performed both through oxidative amination reactions assisted by ultrasound and CeCl3·7H2O catalysis “in water”. This eco-friendly procedure was successfully extended to the one-pot synthesis of homodimers derived from the 7-phenylaminoisoquinolinequinone pharmacophore. The electrochemical properties of the monomers and dimers were determined by cyclic and square wave voltammetry. The number of electrons transferred during the oxidation process, associated to the redox potential EI1/2, was determined by controlled potential coulometry.

A novel, facile, rapid, solvent free protocol for the one pot green synthesis of chromeno[2,3-d]pyrimidines using reusable nano ZnAl2O4– a NOSE approach and photophysical studies

RSC Advances ◽  
2015 ◽  
Vol 5 (9) ◽  
pp. 6578-6587 ◽  
Author(s):  
Balijapalli Umamahesh ◽  
Triveni Rajashekhar Mandlimath ◽  
Kulathu I. Sathiyanarayanan
Keyword(s):  
Green Synthesis ◽  
Solvent Free ◽  
Pyrimidine Derivatives ◽  
One Pot ◽  
Photophysical Studies ◽  
The One

The preparation of an eco-friendly, highly stable, reusable nano ZnAl2O4was used as an excellent catalyst for the pseudo four component synthesis of a library of fluorescent chromeno[2,3-d]pyrimidine derivatives.

scholarly journals Development of a Novel Electrochemical Biosensor Based on Carbon Nanofibers–Cobalt Phthalocyanine–Laccase for the Detection of p-Coumaric Acid in Phytoproducts

2021 ◽  
Vol 22 (17) ◽  
pp. 9302
Author(s):  
Alexandra Virginia Bounegru ◽  
Constantin Apetrei
Keyword(s):  
Cyclic Voltammetry ◽  
Carbon Nanofibers ◽  
Square Wave Voltammetry ◽  
Electrochemical Biosensor ◽  
Spectrometric Method ◽  
Cobalt Phthalocyanine ◽  
Coumaric Acid ◽  
Wave Voltammetry ◽  
Enzymatic Biosensor ◽  
The One

The present paper developed a new enzymatic biosensor whose support is a screen-printed electrode based on carbon nanofibers modified with cobalt phthalocyanine and laccase (CNF-CoPc-Lac/SPE) to determine the p-coumaric acid (PCA) content by cyclic voltammetry and square wave voltammetry. Sensor modification was achieved by the casting and cross-linking technique, using glutaraldehyde as a reticulation agent. The biosensor’s response showed the PCA redox processes in a very stable and sensitive manner. The calibration curve was developed for the concentration range of p-coumaric acid of 0.1–202.5 μM, using cyclic voltammetry and chronoamperometry. The biosensor yielded optimal results for the linearity range 0.4–6.4 μM and stood out by low LOD and LOQ values, i.e., 4.83 × 10−7 M and 1.61 × 10−6 M, respectively. PCA was successfully determined in three phytoproducts of complex composition. The results obtained by the voltammetric method were compared to the ones obtained by the FTIR method. The amount of p-coumaric acid determined by means of CNF-CoPc-Lac/SPE was close to the one obtained by the standard spectrometric method.

scholarly journals Completely green synthesis of rose-shaped Au nanostructures and their catalytic applications

RSC Advances ◽  
2021 ◽  
Vol 11 (55) ◽  
pp. 34589-34598
Author(s):  
Jae Hwan Jeong ◽  
Astrini Pradyast ◽  
Hyeonbo Shim ◽  
Hee-Chul Woo ◽  
Mun Ho Kim
Keyword(s):  
Green Synthesis ◽  
Three Dimensional ◽  
Hierarchical Structures ◽  
One Pot ◽  
Catalytic Applications ◽  
The One

A novel protocol for the one-pot, template/seed-free, and completely green synthesis of rose-shaped Au nanostructures with unique three-dimensional hierarchical structures was developed.

scholarly journals One-pot green synthesis of antimicrobial chitosan derivative nanocomposites to control foodborne pathogens

RSC Advances ◽  
2022 ◽  
Vol 12 (2) ◽  
pp. 1095-1104
Author(s):  
Mahmoud H. Abu Elella ◽  
Ahmed Esmail Shalan ◽  
Magdy W. Sabaa ◽  
Riham R. Mohamed
Keyword(s):  
Green Synthesis ◽  
Silver Nitrate ◽  
Foodborne Pathogens ◽  
Antimicrobial Agents ◽  
Water Soluble ◽  
Chitosan Derivative ◽  
One Pot ◽  
The One

This study aimed to show the efficacy of the one-pot green biosynthesis of nanocomposites as effective antimicrobial agents based on a water-soluble biodegradable polysaccharide and silver nitrate (AgNO3).

Green synthesis of 1H-pyrazolo[1,2-b]phthalazinedione-2-carbonitriles in the presence of L-proline

2021 ◽  
Vol 08 ◽  
Author(s):  
Davood Habibi ◽  
Saeedeh Shojaei ◽  
Somayyeh Heydari
Keyword(s):  
Organic Chemistry ◽  
Natural Products ◽  
Green Synthesis ◽  
Organic Materials ◽  
Aromatic Aldehydes ◽  
One Pot ◽  
Diverse Range ◽  
Three Component Reaction ◽  
The One ◽  
Green Conditions

Background: The multi component reaction (MCRs) is a method extensively used in organic chemistry as a tool in the synthesis of nitrogen containing heterocycles found in many natural products, medicinally relevant substances and organic materials. Objective: This paper describes the synthesis of a diverse range of 1H-pyrazolo[1,2-b]phthalazine-2-carbonitriles of considerable chemical and biological interests. Conclusion: Various 3-amino-5,10-dioxo-1-phenyl-5,10-dihydro-1H-pyrazolo[1,2-b]phthalazine-2-carbo -nitriles were synthesized via the one-pot three component reaction of phthalhydrazides, aromatic aldehydes and malononitrile in the presence of the proline as an organocatalyst in ethanol at refluxing temperature under the green conditions in excellent yields.

Nano magnetic sulfated zirconia (Fe3O4@ZrO2/SO42−): an efficient solid acid catalyst for the green synthesis of α-aminonitriles and imines

2015 ◽  
Vol 39 (6) ◽  
pp. 4821-4829 ◽  
Author(s):  
Hossein Ghafuri ◽  
Afsaneh Rashidizadeh ◽  
Behnaz Ghorbani ◽  
Majid Talebi
Keyword(s):  
Green Synthesis ◽  
Sulfated Zirconia ◽  
Solid Acid ◽  
Solid Acid Catalyst ◽  
Acid Catalyst ◽  
One Pot ◽  
Nano Catalyst ◽  
The One

In this research, nano magnetic sulfated zirconia was prepared through a green and facile method and acted as a novel, heterogeneous, efficient nano-catalyst for the one-pot three component synthesis of α-aminonitrile derivatives.

Synthesis and electrochemical properties of bis(octacyanophthalocyaninato)neodymium(III) complex

2005 ◽  
Vol 09 (01) ◽  
pp. 54-58 ◽  
Author(s):  
Tatsuya Yonekura ◽  
Takeo Ohsaka ◽  
Fusao Kitamura ◽  
Koichi Tokuda
Keyword(s):  
Cyclic Voltammetry ◽  
Electrochemical Properties ◽  
Electrochemical Behavior ◽  
Redox Reactions ◽  
Square Wave Voltammetry ◽  
Cyano Group ◽  
Cyclic Voltammogram ◽  
Redox Potentials ◽  
Strong Electron ◽  
Wave Voltammetry

The bis(octacyanophthalocyaninato)neodymium(III) was synthesized and its electrochemical behavior in N,N-dimethylformamide ( DMF ) was investigated by cyclic voltammetry (CV) and square wave voltammetry (SWV). Multiple redox reactions were observed on the cyclic voltammogram, although the voltammetric feature was complicated due to aggregation. With the aid of SWV, it was concluded that the redox potentials of the complex positively shifted by about 700 mV compared with potentials of the unsubstituted complex, which was ascribed to the strong electron-withdrawn effect of the substituted cyano group.

A reversible fluorescent pH-sensing system based on the one-pot synthesis of natural silk fibroin-capped copper nanoclusters

2016 ◽  
Vol 4 (16) ◽  
pp. 3540-3545 ◽  
Author(s):  
Guomei Zhang ◽  
Ting Xu ◽  
Huizhi Du ◽  
Yunyun Qiao ◽  
Xiaohong Guo ◽  
...  
Keyword(s):  
Green Synthesis ◽  
Silk Fibroin ◽  
Water Soluble ◽  
Ph Sensing ◽  
Ph Responsive ◽  
Copper Nanoclusters ◽  
One Pot ◽  
Natural Silk ◽  
Sensing System ◽  
The One

A one-pot “green” synthesis of water soluble and pH-responsive natural silk fibroin (SF)-stabilized fluorescent copper nanoclusters (CuNCs) was reported without using any additional reducing agents.

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