Results 31 to 40 of about 257,988 (291)

Rapid and Economic Access to Some NSAIDS-Based Bioactive Heterocycles

open access: yesJournal of Chemistry, 2013
The use of microwave energy for the synthesis is considered as one of the alternate strategies. The present work includes the synthesis of some newer 2,5-disubstituted-1,3,4-oxadiazole analogues using both conventional and alternate rapid methods.The ...
A. V. Chavan   +3 more
doaj   +1 more source

Aqueous ZrO 2 and YSZ colloidal systems through microwave assisted hydrothermal synthesis [PDF]

open access: yes, 2013
In this paper, the formation of ZrO2 and yttria-stabilised-zirconia (YSZ) aqueous colloidal systems via microwave assisted hydrothermal synthesis is studied.
De Buysser, Klaartje   +5 more
core   +2 more sources

Microwave-assisted heterocyclic synthesis [PDF]

open access: yesArkivoc, 2003
Recent applications of microwave technology in well-known cyclization reactions for heterocyclic ring formation and in other important reactions such as nucleophilic substitution, hetero-Diels−Alder reactions, 1,3-dipolar cycloaddition etc. have been discussed.
Alan R. Katritzky, Sandeep K. Singh
openaire   +1 more source

Microwave-assisted YBa2Cu3O7 precursors : a fast and reliable method towards chemical precursors for superconducting films [PDF]

open access: yes, 2017
Highly stable, pure, and anhydrous organometallic YBa2Cu3O7- (YBCO) precursor solutions were prepared by dissolving commercial YBCO powder in acetone by trifluoroacetic anhydride (TFAA) or a mixture of TFAA with propionic acid for low fluorine precursors.
Bennewitz, Jan   +8 more
core   +1 more source

Microwave-Enhanced Synthesis of Phosphonoacetamides

open access: yesSynthetic Communications, 2011
Abstract An efficient microwave protocol is described for the Michaelis–Arbuzov synthesis of secondary and tertiary N-aryl (and alkyl) (diethylphosphono)acetamides 1, by reaction of chloro- and bromoacetamides with triethyl phosphite in the presence of catalytic amounts of sodium iodide. Remarkable acceleration of the reaction (minutes vs.
Gruber, Nadia   +3 more
openaire   +2 more sources

Microwave Synthesis of CaTiO3 Nanoparticles by the Sol-Gel Method

open access: yesКонденсированные среды и межфазные границы, 2020
A technique for the microwave-activated synthesis of calcium titanate nanopowder was proposed. The microwave effect used in the synthesis of CaTiO3 samples when using sodium carbonate as a precipitant allowed obtaining a chemically homogeneous nanopowder
Victor F. Kostryukov   +1 more
doaj   +1 more source

Structural aspects of AlPO4-5 zeotypes synthesized by microwave-hydrothermal process. 1. Effect of heating time and microwave power [PDF]

open access: yes, 2009
AlPO4-5 with AFI structure containing 12-membered rings was prepared using the aluminum isopropoxide precursor as a source of alumina and TEA as the structure directing agent via microwave technique.
Sakintuna, Billur   +2 more
core   +3 more sources

Microwave-Assisted Synthesis of 9-Arylpurines

open access: yesJournal of Combinatorial Chemistry, 2009
Peer ...
Aguado, Leire   +2 more
openaire   +3 more sources

Phase Transformation of VO2 Nanoparticles Assisted by Microwave Heating

open access: yesThe Scientific World Journal, 2014
The microwave assisted synthesis nowadays attracts a great deal of attention. Monoclinic phase VO2 (M) was prepared from NH4VO3 and H2C2O4·2H2O by a rapid microwave assisted technique. The synthesis parameters, microwave irradiation time, microwave power,
Phatcharee Phoempoon, Lek. Sikong
doaj   +1 more source

Nanocomposites graphene/CoFe2O4 and graphene/NiFe2O4 – preparation and characterization [PDF]

open access: yesArchives of Metallurgy and Materials, 2019
A series of nanocomposite graphene/CoFe2O4 and graphene/NiFe2O4 hybrid materials was synthesized via facile, one-pot solvothermal route. The materials were obtained using two pressure methods: synthesis in the autoclave and synthesis in the microwave ...
A. Jędrzejewska   +4 more
doaj   +1 more source

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