Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Wonghil Chang"'
Publikováno v:
Research on Chemical Intermediates. 44:3835-3847
Hydrodechlorination (HDC) reaction of chlorophenols was carried out using Pd catalysts supported over zeolite Y, MCM-41 or graphene. Pd-MCM-41 and Pd-Y zeolite were prepared by impregnation and ion-exchange method, respectively. Pd-graphene (Pd-G) wa
Publikováno v:
Research on Chemical Intermediates. 42:71-82
Chlorophenols are widely used as industrial chemicals such as herbicides, insecticides, wood preservatives, and disinfectants. However, chlorophenols are very toxic materials and they have become the cause of current environmental issues. Hydrodechlo
Publikováno v:
Journal of Industrial and Engineering Chemistry. 19:739-743
In this paper microwave-assisted Sonogashira reactions of phenyl acetylene with aryl iodide using palladium modified Pd-MCM-41, Pd-Y, Pd-VSB-5 and Pd-SBA-15 under solvent-free conditions were described. The results of microwave-assisted Sonogashira r
Publikováno v:
Journal of Industrial and Engineering Chemistry. 18:581-585
Palladium catalysts, Pd/MCM-41 and Pd/SBA-15 were prepared by impregnation of an aqueous solution of [Pd(NH 3 ) 4 ]Cl 2 on MCM-41 and SBA-15. Palladium contents of Pd/MCM-41 and Pd/SBA-15 are 8.4% and 8.7%, respectively. It has been shown that these
Publikováno v:
Journal of Industrial and Engineering Chemistry. 14:423-428
In this paper our recent results of the Suzuki reaction using [Pd(NH 3 ) 4 ] 2+ -modified nanopore silica under solvent-free conditions are described. [Pd(NH 3 ) 4 ] 2+ -modified nanopore silica was prepared by impregnation using an aqueous solution
Publikováno v:
Journal of Industrial and Engineering Chemistry. 14:401-405
Lewis acid supported Nanopore Silica catalysts for microwave-assisted Biginelli reaction under solvent-free conditions were prepared by impregnating FeCl 3 dissolved in ethanol to Nanopore Silica at 40 °C. Biginelli reaction under solvent-free condi
Publikováno v:
Journal of the American Chemical Society. 116:8152-8161
Preparation and characterization of several new polymers that are considered one-dimensional prototypes for the polaronic ferromagnetic are reported. Synthesis involved either Wittig or Suzuki coupling to produce polymers with extended {pi} systems.
Publikováno v:
The Journal of Physical Chemistry. 97:13408-13412
Autor:
Wonghil Chang, Byoung Joon Ahn
Publikováno v:
ChemInform. 38
The discovery of mesoporous molecular sieves has provided new possibilities in catalytic organic reactions. The mesoporous molecular sieves, having unique structures characterised by high surface area, large pore size, and high long-range order, are
Publikováno v:
Journal of the American Chemical Society. 113:2764-2766