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Catalytic C-H allylation and benzylation of pyrazoles.
- Seri Bae, Ha-Lim Jang, Haeun Jung, Jung Min Joo
- Chemistry, Medicine
- The Journal of organic chemistry
- 2 January 2015
We describe a general approach for the synthesis of allylated and benzylated pyrazoles. An electron-withdrawing substituent, such as nitro, chloro, and ester groups, at C4 renders the Lewis basic… Expand
C-H Arylation of Nitroimidazoles and Nitropyrazoles Guided by the Electronic Effect of the Nitro Group
A palladium-catalyzed C–H arylation reaction of nitroimidazoles and nitropyrazoles was developed using aryl bromides as arene donors. The electron-withdrawing effect of the nitro group allows for… Expand
In Situ Growth of the Bi2S3 Nanowire Array on the Bi2MoO6 Film for an Improved Photoelectrochemical Performance
A single-crystalline Bi2S3 nanowire array (Bi2S3NWA) is synthesized by an in situ hydrothermal reaction on the surface of a Bi2MoO6 film. As no additional source of Bi3+ is provided during the… Expand
Understanding Reaction Kinetics by Tailoring Metal Co-catalysts of the BiVO4 Photocatalyst
- Hye Rin Choe, Ji Hyeon Kim, A. Ma, Haeun Jung, Ha Young Kim, K. Nam
- Materials Science, Medicine
- ACS omega
- 26 September 2019
In this study, the reaction mechanisms of metal–semiconductor composites used as photocatalysts were demonstrated by first preparing bismuth vanadate (BiVO4) and then performing photodeposition of… Expand
Comprehensive study of growth mechanism and photoelectrochemical activity of BiVO4/Bi2S3 nanowire composite.
- Changhyun Hong, Yong-Il Kim, +7 authors K. Nam
- Materials Science, Medicine
- ACS applied materials & interfaces
- 22 June 2020
A BiVO4/Bi2S3 composite comprising Bi2S3 nanowires on top of BiVO4 film was prepared via hydrothermal reaction. Because additional Bi3+ ions were not delivered during the reaction, the BiVO4 served… Expand
Understanding and improving photoelectrochemical performance of Bi2O3/Bi2S3 composite
Simple, fast synthesis methods for well-aligned semiconductors on a substrate are necessary for the practical application of photoelectrochemical (PEC) reactions. A well-defined Bi2O3/Bi2S3 composite… Expand
Understanding metal-enhanced fluorescence and structural properties in Au@Ag core–shell nanocubes
Au@Ag core–shell structures have received particular interest due to their localized surface plasmon resonance properties and great potential as oxygen reduction reaction catalysts and building… Expand
A New Synthetic Approach to Cobalt Oxides: Designed Phase Transformation for Electrochemical Water Splitting
Abstract The structural phase transformations of non-native hexagonal CoO (h-CoO) into various other cobalt oxides, such as cubic rock-salt CoO, spinel Co3O4, trigonal Co(OH)2, and trigonal CoOOH,… Expand
Exploring the Development Direction of Game-based Character Education Program: Focusing on the Cultural Properties and Experience of Games
Catalytic C—H Allylation and Benzylation of Pyrazoles.