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Updated: Sep 19, 2025

Catalytic Reactions at Amine-Stabilized and Ligand-Free Platinum Nanoparticles Supported on Titania During Hydrogenation of Alkenes and Aldehydes
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Published on: June 24, 2022

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鲁化纳米管电子结构的Se辅助调制,以实现高效的性进化反应

Yongju Hong1,2, Eunsoo Lee1, Jae Hun Seol3

  • 1Department of Chemistry and Research Institute for Natural Sciences Korea University Seoul 02841 Republic of Korea.

Small science
|June 18, 2025
PubMed
概括

兴奋剂增强了化纳米管,通过离子交换膜水电解 (AEMWE) 有效地产生. 这一突破为催化剂提供了一种稳定,高性能的替代品,用于清洁的燃料生产.

关键词:
性水的电解是性水的电解.电离交换 - 电离交换兴奋剂的使用 兴奋剂的使用电子结构 电子结构水素演化反应反应的反应.化物 化物 化物

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Reduction of Alkenes: Asymmetric Catalytic Hydrogenation02:17

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Catalytic hydrogenation of alkenes is a transition-metal catalyzed reduction of the double bond using molecular hydrogen to give alkanes. The mode of hydrogen addition follows syn stereochemistry.
The metal catalyst used can be either heterogeneous or homogeneous. When hydrogenation of an alkene generates a chiral center, a pair of enantiomeric products is expected to form. However, an enantiomeric excess of one of the products can be facilitated using an enantioselective reaction or an...
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Alkenes undergo reduction by the addition of molecular hydrogen to give alkanes. Because the process generally occurs in the presence of a transition-metal catalyst, the reaction is called catalytic hydrogenation.
Metals like palladium, platinum, and nickel are commonly used in their solid forms — fine powder on an inert surface. As these catalysts remain insoluble in the reaction mixture, they are referred to as heterogeneous catalysts.
The hydrogenation process takes place on the...
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