Novel blended catalysts consisting of a TiO2 photocatalyst and an Al2O3 supported Pd-Au bimetallic catalyst for direct dehydrogenative cross-coupling between arenes and tetrahydrofuran

Tyagi Akanksha; Yamamoto Akira; Yoshida Hisao

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Novel blended catalysts consisting of a TiO2 photocatalyst and an Al2O3 supported Pd-Au bimetallic catalyst for direct dehydrogenative cross-coupling between arenes and tetrahydrofuran

机译：由TiO 2光催化剂和Al2O3支持的PD-Au双金属催化剂组成的新型混合催化剂，用于直接脱氢脱氢交叉偶联，与四氢呋喃之间的直接脱氢

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Dehydrogenative cross-coupling (DCC) is a clean methodology to make C-C bonds by using abundant C-H bonds. The blended catalyst, developed in this study, consists of a TiO2 photocatalyst and an Al2O3 supported Pd-Au bimetallic catalyst and shows superior activity to the conventional TiO2 photocatalyst loaded with the corresponding metal co-catalyst for the direct DCC between various arenes and tetrahydrofuran, with concomitant evolution of hydrogen gas. The reactions were done under mild conditions without consuming any oxidising agent or other additional chemicals. This new approach of separating the photocatalyst and the metal catalyst parts allows their independent modification to improve the overall catalytic performance.

机译：脱氢交叉偶联（DCC）是一种清洁方法，通过使用丰富的C-H键来制备C-C键。在该研究中开发的混合催化剂由TiO 2光催化剂和Al2O3负载的PD-Au双金属催化剂组成，并且显示出常规TiO 2光催化剂的优异活性，其在各种植物和四氢呋喃之间的直接DCC加载的相应金属助催化剂，随着氢气的伴随的进化。反应在温和条件下进行，而不消耗任何氧化剂或其他额外的化学物质。这种分离光催化剂和金属催化剂部件的新方法允许其独立改性以提高整体催化性能。

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《RSC Advances》 |2018年第42期|共8页
作者
Tyagi Akanksha; Yamamoto Akira; Yoshida Hisao;
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Kyoto Univ Grad Sch Human &

Environm Studies Sakyo Ku Yoshida Nihonmatsu Cho Kyoto 6068501 Japan;

Kyoto Univ Grad Sch Human &

Environm Studies Sakyo Ku Yoshida Nihonmatsu Cho Kyoto 6068501 Japan;

Kyoto Univ Grad Sch Human &

Environm Studies Sakyo Ku Yoshida Nihonmatsu Cho Kyoto 6068501 Japan;

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中图分类化学;
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1. Novel blended catalysts consisting of a TiO2 photocatalyst and an Al2O3 supported Pd-Au bimetallic catalyst for direct dehydrogenative cross-coupling between arenes and tetrahydrofuran [J] . Tyagi Akanksha, Yamamoto Akira, Yoshida Hisao RSC Advances . 2018,第42期

机译：由TiO 2光催化剂和Al2O3支持的PD-Au双金属催化剂组成的新型混合催化剂，用于直接脱氢脱氢交叉偶联，与四氢呋喃之间的直接脱氢
2. Novel blended catalysts consisting of a TiO2 photocatalyst and an Al2O3 supported Pd–Au bimetallic catalyst for direct dehydrogenative cross-coupling between arenes and tetrahydrofuran [J] . Akanksha Tyagi, Akira Yamamoto, Hisao Yoshida RSC Advances . 2018,第42期

机译：由TiO2光催化剂和Al2O3负载的Pd-Au双金属催化剂组成的新型共混催化剂，用于芳烃和四氢呋喃之间的直接脱氢交叉偶联
3. Novel blended catalysts consisting of a TiO2 photocatalyst and an Al2O3 supported Pd–Au bimetallic catalyst for direct dehydrogenative cross-coupling between arenes and tetrahydrofuran [J] . Akanksha Tyagi, Akira Yamamoto, Hisao Yoshida RSC Advances . 2018,第42期

机译：由TiO2光催化剂和Al2O3负载的Pd-Au双金属催化剂组成的新型共混催化剂，用于芳烃和四氢呋喃之间的直接脱氢交叉偶联
4. Direct synthesis of heterocycles by dehydrogenative coupling of diamines and alcohols or aldehydes by supported Pt catalysts [C] . Chandan Chaudhari, S.M.A. Hakim Siddiki 旭川大会石油・石油化学討論会 . 2014

机译：通过支持的Pt催化剂通过二胺和醇或醛的脱氢偶联直接合成杂环
5. I. Multicatalysis: Development of a Bismuth(III) triflate-catalyzed Nucleophilic addition/ Hydrofunctionalization Reaction in the Synthesis of Complex Heterocycles II. C--H Arylation of Arenes and Heteroarenes with Palladium-Carboxylate Catalysts: Identification of the Catalyst Resting State and the Crucial Role of Pivalate Ligand in Stabilization of the Catalyst III. C--H Arylation of Heteroarenes with Palladium-Carboxylate Catalysts: Importance of Phosphine Ligand for Basic Heteroarene Substrates IV. C--H Arylation of Heteroarenes with Palladium-Carboxylate Catalysts: Effect of the Properties of Basic Heteroarene Substrates on Direct Arylations. [D] . Tundel, Rachel E. 2011

机译：I.多催化作用：在复杂的杂环化合物的合成中三氟甲磺酸铋（III）催化的亲核加成/加氢官能化反应的发展。羰基钯催化剂对芳烃和杂芳烃的CH-H芳基化反应：催化剂静止状态的鉴定以及新戊酸酯配体在稳定催化剂中的关键作用III。羰基钯催化剂催化杂芳烃的CH芳基化：膦配体对基础杂芳烃基质的重要性IV。杂芳烃与钯-羧酸酯的CH芳基化：碱性杂芳烃底物性能对直接芳基化的影响。
6. Porous Nanocrystalline Silicon Supported Bimetallic Pd-Au Catalysts: Preparation Characterization and Direct Hydrogen Peroxide Synthesis [O] . Dmitriy I. Potemkin, Dmitry K. Maslov, Konstantin Loponov, 2018

机译：多孔纳米晶硅负载双金属Pd-Au催化剂：制备表征和直接过氧化氢合成。
7. Novel blended catalysts consisting of a TiO2 photocatalyst and an Al2O3 supported Pd–Au bimetallic catalyst for direct dehydrogenative cross-coupling between arenes and tetrahydrofuran [O] . Akanksha Tyagi, Akira Yamamoto, Hisao Yoshida 2018

机译：由TiO 2光催化剂和Al2O3支持的PD-Au双金属催化剂组成的新型混合催化剂，用于直接脱氢脱氢交叉偶联，与四氢呋喃之间的直接脱氢

Novel blended catalysts consisting of a TiO2 photocatalyst and an Al2O3 supported Pd-Au bimetallic catalyst for direct dehydrogenative cross-coupling between arenes and tetrahydrofuran

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