Results 21 to 30 of about 257,988 (291)

Current Trends in the Development of Microwave Reactors for the Synthesis of Nanomaterials in Laboratories and Industries: A Review

open access: yesCrystals, 2018
Microwave energy has been in use for many applications for more than 50 years, from communication, food processing, and wood drying to chemical reactions and medical therapy.
Sylwia Dąbrowska   +3 more
doaj   +1 more source

One-step synthesis of pyridines and dihydropyridines in a continuous flow microwave reactor [PDF]

open access: yes, 2013
The Bohlmann–Rahtz pyridine synthesis and the Hantzsch dihydropyridine synthesis can be carried out in a microwave flow reactor or using a conductive heating flow platform for the continuous processing of material. In the Bohlmann–Rahtz reaction, the use
Bagley, Mark C   +4 more
core   +2 more sources

Progress in microwave irradiation synthesis of graphene-like carbon nitride

open access: yesCailiao gongcheng, 2019
The synthesis of graphene-like carbon nitride has been a new research hotspot in the field of two-dimensional functional materials due to its similar structural characteristics to graphene and outstanding properties covering photocatalysis and ...
WANG Ji-gang   +5 more
doaj   +1 more source

Evaluation of Different Bottom-up Routes for the Fabrication of Carbon Dots

open access: yesNanomaterials, 2020
Carbon dots (CDs) are carbon-based nanoparticles with very attractive luminescence features. Furthermore, their synthesis by bottom-up strategies is quite flexible, as tuning the reaction precursors and synthesis procedures can lead to an endless number ...
Diana M. A. Crista   +2 more
doaj   +1 more source

Domino alkylation-cyclization reaction of propargyl bromides with thioureas/thiopyrimidinones: A new facile synthesis of 2-aminothiazoles and 5H-thiazolo[3,2-a]pyrimidin-5-ones [PDF]

open access: yes, 2009
A new synthesis of 2-aminothiazoles and 5H-thiazolo[3,2-a]pyrimidin-5-ones was developed as a domino alkylation-cyclization reaction of propargyl bromides with thioureas and thio¬pyrimidinones, respectively.
Bernardini, Martina   +3 more
core   +1 more source

Intramolecular cascade annulation triggered by rhodium(III)-catalyzed sequential C(sp2)–H activation and C(sp3)–H amination

open access: yesBeilstein Journal of Organic Chemistry, 2019
A rhodium(III)-catalyzed intramolecular oxidative annulation of O-substituted N-hydroxyacrylamides for the construction of indolizinones via sequential C(sp2)–H activation and C(sp3)–H amination has been developed.
Liangliang Song   +3 more
doaj   +1 more source

One-pot multicomponent synthesis of 2,3-dihydropyrans: new access to furanose–pyranose 1,3-C–C-linked-disaccharides [PDF]

open access: yes, 2009
An efficient synthesis of 2,3-dihydropyrans starting from different terminal alkynes was developed. The 2,3-dihydropyrans were obtained in a few minutes through a microwave-assisted multicomponent enyne cross-metathesis/hetero-Diels–Alder reaction ...
Armstrong   +28 more
core   +1 more source

Synthesis of Metal Nanoparticles under Microwave Irradiation: Get Much with Less Energy

open access: yesMetals, 2023
Microwave irradiation is widely used to intensify various chemical processes, including in the synthesis of nanomaterials. The purpose of this review is to present recent trends in the application of microwave heating for the preparation of monometallic,
Leonid Kustov, Kseniia Vikanova
doaj   +1 more source

Microwave and Conventional Study of Coumarin-Oxadiazole Adducts and their Anti-Microbial Evaluation [PDF]

open access: yesFolia Medica, 2021
Introduction: Nowadays, researchers are progressively concentrated to generate economical, affordable and also greener synthesis approach for the synthesis of various heterocycles.
Khushal Kapadiya, Piyush Dholaria
doaj   +3 more sources

Microwave Assisted Synthesis of Py-Im Polyamides [PDF]

open access: yes, 2012
Microwave synthesis was utilized to rapidly build Py-Im polyamides in high yields and purity using Boc-protection chemistry on Kaiser oxime resin. A representative polyamide targeting the 5′-WGWWCW-3′ (W = A or T) subset of the consensus Androgen and ...
Bacsa B.   +38 more
core   +2 more sources

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