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31+ results
Field: Organic Chemistry

Cobalt nanocomposites on N-doped hierarchical porous carbon for highly selective formation of anilines and imines from nitroarenes

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Tao Song, Peng Ren, Yanan Duan, Zhaozhan Wang et al.

Journal: Green Chemistry
Year: 2018
Citations: 136

A heterogeneous, active, and non-noble cobalt nanocomposite for selective synthesis of aniline derivatives and imines from nitroarenes is reported.

Physical SciencesChemistryOrganic Chemistry
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Antioxidant activity of different species and varieties of turmeric (Curcuma spp): Isolation of active compounds

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Jesmin Akter, Md. Amzad Hossain, Kensaku Takara, Md. Zahorul Islam et al.

Journal: Comparative Biochemistry and Physiology Part C Toxicology & PharmacologyYear: 2018Citations: 136

There are >80 species of turmeric (Curcuma spp.) and some species have multiple varieties, for example, Curcuma longa (C. longa) has 70 varieties. They could be different in their chemical properties and biological activities. Therefore, we compared antioxidant activity, total phenolic and flavonoid...

Physical SciencesChemistryOrganic Chemistry
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Sustainable pollutant removal and wastewater remediation using TiO2-based nanocomposites: A critical review

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Md. Burhan Kabir Suhan, Md. Rashid Al-Mamun, Nawshin Farzana, Sirazam Munira Aishee et al.

Journal: Nano-Structures & Nano-ObjectsYear: 2023Citations: 126

Rapid industrialization and urbanization emphasized water purification and the production of carbon-neutral fuels. State-of-the-art technology that is low-cost, long-lasting, and easy to implement is required to address these issues. In this context, substantial developments in green synthesis techn...

Physical SciencesChemistryOrganic ChemistryOpen Access
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Recent Advances in Pyridine Scaffold: Focus on Chemistry, Synthesis, and Antibacterial Activities

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Md. Badrul Islam, Md. Inshaful Islam, Nikhil Nath, Talha Bin Emran et al.

Journal: BioMed Research InternationalYear: 2023Citations: 120

Multidrug‐resistant (MDR) pathogens have created a fatal problem for human health and antimicrobial treatment. Among the currently available antibiotics, many are inactive against MDR pathogens. In this context, heterocyclic compounds/drugs play a vital role. Thus, it is very much essential to explo...

Physical SciencesChemistryOrganic ChemistryOpen Access
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Enhanced catalytic performance of cobalt nanoparticles coated with a N,P-codoped carbon shell derived from biomass for transfer hydrogenation of functionalized nitroarenes

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Yanan Duan, Tao Song, Xiaosu Dong, Yong Yang

Journal: Green ChemistryYear: 2018Citations: 117

A heterogeneous and reusable non-noble cobalt nanoparticles encapsulated with a N,P-codoped carbon shell derived from biomass has been firstly developed for efficient and selective catalytic transfer hydrogenation of functionalized nitroarenes to anilines.

Physical SciencesChemistryOrganic Chemistry
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Oxidative Degradation of Methylene Blue Using Mn3O4 Nanoparticles

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A. K. M. Atique Ullah, A.K.M. Fazle Kibria, Mahmuda Akter, M. N. I. Khan et al.

Journal: Water Conservation Science and EngineeringYear: 2017Citations: 117
Physical SciencesChemistryOrganic ChemistryOpen Access
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Biomass Sucrose‐Derived Cobalt@Nitrogen‐Doped Carbon for Catalytic Transfer Hydrogenation of Nitroarenes with Formic Acid

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Man Yuan, Yu Long, Jin Yang, Xiwei Hu et al.

Journal: ChemSusChemYear: 2018Citations: 112

Abstract Fabrication of non‐noble metal‐based heterogeneous catalysts by a facile and cost‐effective strategy for ecofriendly catalytic transfer hydrogenation (CTH) is of great significance for organic transformations. A cobalt@nitrogen‐doped carbon (Co@NC) catalyst was prepared from renewable bioma...

Physical SciencesChemistryOrganic Chemistry
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Preparation and characterization of ultra violet (UV) radiation cured bio-degradable films of sago starch/PVA blend

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Mubarak A. Khan, Sanjoy K. Bhattacharia, M KADER, Kamarudin Bahari

Journal: Carbohydrate PolymersYear: 2006Citations: 111

Polymer films of sago starch/polyvinyl alcohol (PVA) were prepared by casting and cured under ultra violet (UV) radiation. Different blends were made varying the concentration of sago starch and PVA. Tensile strength (TS) and elongation at break (Eb) of the prepared films were studied. Films made up...

Physical SciencesChemistryOrganic Chemistry
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Effect of temperature and salts on the interaction of cetyltrimethylammonium bromide with ceftriaxone sodium trihydrate drug

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Marzia Rahman, Mohammed Abdullah Khan, Malik Abdul Rub, Md. Anamul Hoque

Journal: Journal of Molecular LiquidsYear: 2016Citations: 110
Physical SciencesChemistryOrganic Chemistry
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Post-synthetic modified MOF for Sonogashira cross-coupling and Knoevenagel condensation reactions

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Chizoba I. Ezugwu, Bibimaryam Mousavi, Md. Ali Asraf, Zhixiong Luo et al.

Journal: Journal of CatalysisYear: 2016Citations: 108
Physical SciencesChemistryOrganic Chemistry
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Agarwood Production - A Multidisciplinary Field to be Explored in Bangladesh

Verified

Selina Akter, Md. Tanvir Islam, Mohd Zulkefeli, Sirajul Islam Khan

Journal: International Journal of Pharmaceutical and Life SciencesYear: 2013Citations: 108

‘Agarwood’ or ‘eaglewood’ (‘Aguru’ in Bengali) is the most expensive wood in the world, which is an occasional product of a few genera of Aquilaria and Gyrinops in the plant family Thymelaeaceae. Agar is a scented product, oleoresin, obtained from pathological conditions of the wood of live trees co...

Physical SciencesChemistryOrganic ChemistryOpen Access
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Biomass-derived phosphorus-doped carbon materials as efficient metal-free catalysts for selective aerobic oxidation of alcohols

Verified

Xiwei Hu, Mengying Fan, Yangyang Zhu, Qian Zhu et al.

Journal: Green ChemistryYear: 2019Citations: 105

Heteroatom-doped carbon materials (HDCMs) with abundant active functional groups and stable structural characteristics are promising catalysts for eco-friendly metal-free catalysis.

Physical SciencesChemistryOrganic Chemistry
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Micellization behavior of cationic and anionic surfactant mixtures at different temperatures: Effect of sodium carbonate and sodium phosphate salts

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Shamim Mahbub, Malik Abdul Rub, Md. Anamul Hoque, Mohammed Abdullah Khan et al.

Journal: Journal of Physical Organic ChemistryYear: 2019Citations: 96

Abstract Herein, we applied the conductivity measurement technique in order to estimate the critical micelle concentration ( cmc ) of pure sodium dodecyl sulfate (SDS) and cetyltrimethylammonium bromide (CTAB) as well as their mixed systems in attendance of different salts at five various temperatur...

Physical SciencesChemistryOrganic Chemistry
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Self-assembled antibacterial coating by N-halamine polyelectrolytes on a cellulose substrate

Verified

Ying Liu, Jing Li, Xiaoli Cheng, Xuehong Ren et al.

Journal: Journal of Materials Chemistry BYear: 2015Citations: 92

In this research, two N-halamine polymer precursors, a cationic homopolymer poly((3-acrylamidopropyl)trimethylammonium chloride) (CHP) and an anionic homopolymer poly(2-acrylamido-2-methylpropane sulfonic acid sodium salt) (AHP), have been successfully synthesized and coated onto cotton fabrics via ...

Physical SciencesChemistryOrganic Chemistry
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Chalcogen⋅⋅⋅π Bonding Catalysis

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Xiangjin Kong, Panpan Zhou, Yao Wang

Journal: Angewandte Chemie International EditionYear: 2021Citations: 89

While the presence of sulfur⋅⋅⋅π bonding interaction is a general phenomenon in the biological systems, the exploitation of this noncovalent force in a chemical process yet remains elusive. Herein, we describe the concept of chalcogen⋅⋅⋅π bonding catalysis that activates molecules of π systems throu...

Physical SciencesChemistryOrganic Chemistry
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