Hongda Zhao

Jiangsu University of Science and Technology

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i-10 index

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Brian L. Pagenkopf

Western University

Barbora Bajtos

University West

Jiahao Xu

Huazhong University of Science and Technology

Xiaojing Chen

Affiliated Hospital of Hebei University

Xuli Ding

Jiangsu University of Science and Technology

J.S.T. Gorman

Nicholas A. Morra

Western University

John F. Reichwein

Star Technology and Research (United States)

Ning Zhang

Hebei University

Xuli Ding

Jiangsu University of Science and Technology

Cooperative Institutions

Jiangsu University of Science and Technology

Northeastern University

The University of Texas at Austin

The University of Texas Southwestern Medical Center

Jilin University

Central South University

Chinese Academy of Sciences

Tsinghua University

Universidad del Noreste

University West

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Engineering the epitaxial interface of Pt-CeO2 by surface redox reaction guided nucleation for low temperature CO oxidation

Journal of Material Science and Technology (2019)

Changjin Xu Yutong Wu Song Li Jun Zhou Jing Chen

Nanomaterial-based catalyst

Rational design

10.1016/j.jmst.2019.08.036

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Citations (42)

CCDC 662692: Experimental Crystal Structure Determination

The Cambridge Structural Database (2008)

Barbora Bajtos Ming Yu Hongda Zhao Brian L. Pagenkopf

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.

10.5517/ccq7l5p

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Advances in Lewis Acid Controlled Carbon−Carbon Bond-Forming Reactions Enable a Concise and Convergent Total Synthesis of Bullatacin

Organic Letters (2006)

Hongda Zhao Jeffrey S. T. Gorman Brian L. Pagenkopf

Lewis acids control regioselectivity in the alkylation of epi-chlorohydrin and the stereochemistry of an alkyne addition to set the C24/C23 anti relationship. These advances facilitate an efficient total synthesis of bullatacin in 13.3% overall yield from commercial starting materials.

Alkyne

Carbon fibers

Carbon–carbon bond

10.1021/ol061847o

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Citations (30)

C-2/C-3 Annulation and C-2 Alkylation of Indoles with 2-Alkoxycyclopropanoate Esters

Journal of the American Chemical Society (2007)

Barbora Bajtos Ming Yu Hongda Zhao Brian L. Pagenkopf

The annulation reaction between various indoles and 2-alkoxycyclopropanoate esters is reported. Both high efficiency and complete stereochemical control were observed in some cases with this annulation process. A single stereocenter on the cyclopropane controls the diastereoselective formation of up to four new stereocenters. A different reaction course was observed with 3-substituted indole substrates, and an intervening C-3 to C-2-migration process arose that gives synthetically useful C-2 alkylation indole products.

Annulation

Stereocenter

Cyclopropane

10.1021/ja067821+

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Citations (144)

Synergistic Lithium Storage in Silica–Tin Composites Enables a Cycle-Stable and High-Capacity Anode for Lithium-Ion Batteries

ACS Applied Energy Materials (2021)

Xuli Ding Daowei Liang Xin Ai Hongda Zhao Ning Zhang

Silica (SiO2) is considered as a promising candidate anode material for next-generation lithium-ion batteries (LIBs) owing to its low cost, abundant reserve on Earth, and relatively high theoretical specific capacity. However, the development of SiO2-based anode materials has been impeded by their poor electrical conductivity and sluggish charge-transfer kinetics. Herein, porous SiO2/tin (SiO2@Sn) composites with tunable SiO2 to Sn molar ratios are fabricated using a scalable, simple, and low-cost ball-milling and low-temperature thermal-melting combined method. It is found that the Sn phase can significantly improve the diffusion and migration kinetics of Li in the composites, whereas the SiO2 to Sn molar ratio plays a key role in the mechanical integrity and subsequent cycling behaviors of the composite electrodes. By optimizing the molar ratio of SiO2/Sn to 10:1, the synergistic effect of Li storage between SiO2 and Sn can lead to the simultaneous achievement of improved Li kinetics and ensured mechanical integrity, contributing to the excellent electrochemical performance of the composite with a large reversible capacity of 613 mAh g–1 at 100 mA g–1, a remarkable rate capability of 450 mAh g–1 retained at 1000 mA g–1, and long-term cycling durability with ∼95% capacity retention over 200 cycles.

Electrochemical kinetics

10.1021/acsaem.1c00023

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Citations (23)

Synthesis and first X-ray structures of cobalt(II) and cobalt(III) complexes bearing 2,4-dioxo-alkanoic acid dialkylamide ligands

Canadian Journal of Chemistry (2008)

Jian Wang Nicholas A. Morra Hongda Zhao Jeffrey S. T. Gorman Vincent M. Lynch

The aerobic oxidation of 5-hydroxy pentenes to trans-tetrahydrofurans (THFs), the Mukaiyama oxidation, has in recent years emerged as a powerful tool in synthetic chemistry. In this report we describe the first crystal structures of 2,4-dioxo-alkanoic acid dialkylamide complexes for both Co(II) and Co(III) salts. The Co(II) structures show an unprecedented arrangement of atoms, with a central Co(II)(H 2 O) 6 flanked by two Co(II) atoms each coordinated with three anionic chelating ligands. The dimeric Co(III) structures show two anionic chelating ligands and bridging hydroxyl groups.Key words: aerobic oxidation, trans-tetrahydrofuran (THF), cobalt, X-ray crystallography, oxidation, coordination.

Tetrahydrofuran

Coordination complex

10.1139/v08-151

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Citations (13)

Reactions of alanes and aluminates with tri-substituted epoxides. Development of a stereospecific alkynylation at the more hindered carbon

Tetrahedron (2007)

Hongda Zhao Darren W. Engers Christian L. Morales Brian L. Pagenkopf

Acetylene

Stereospecificity

Aluminate

10.1016/j.tet.2007.06.036