Výsledky vyhledávání - "Atsushi Fukazawa"

Akademický článek

Electrocatalytic asymmetric hydrogenation of α,β-unsaturated acids in a PEM reactor with cinchona-modified palladium catalysts

Autor: Atsushi Fukazawa, Kenta Tanaka, Yasushi Hashimoto, Yasushi Sato, Mahito Atobe

Publikováno v: Electrochemistry Communications, Vol 115, Iss , Pp - (2020)

We have developed an electrocatalytic asymmetric hydrogenation reaction using a proton-exchange membrane (PEM) reactor that employs a polymer electrolyte fuel cell and industrial electrolysis technologies. Reasonable enantioselectivities and excellen

Externí odkaz: https://doaj.org/article/19d96141901b46cd8b9874b83ad8524e

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Pd–H Species on Electrode Stabilized by Solvent Co-Adsorption: Observation by Operando IR Spectroscopy

Autor: Junko N. Kondo, Shuo Ge, Tomohiro Suzuki, Ryota Osuga, Takeshi Matsumoto, Toshiyuki Yokoi, Yugo Shimizu, Atsushi Fukazawa, Naoki Shida, Mahito Atobe

Publikováno v: The Journal of Physical Chemistry C. 126:19376-19385

On-top hydrogen on a Pd cathode (Pd–H) was observed for the first time by operando infrared (IR) spectroscopy at 2030 cm−1, being stabilized by co-adsorbed solvent (n-alkane) molecules. A proton-exchange membrane (PEM) reactor with Pt/C (anode) a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e4cbd14e38bff6007e10896e95ab2a12
https://doi.org/10.1021/acs.jpcc.2c05127

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Scalable, Wasteless, and Energy-Efficient Diastereoselective Electrocatalytic Hydrogenation of Cyclic Ketones Using Proton-Exchange Membrane Reactor

Autor: Yugo Shimizu, Atsushi Fukazawa, Tomohiro Suzuki, Junko N. Kondo, Naoki Shida, Mahito Atobe

We report the diastereoselective electrocatalytic hydrogenation of cyclic ketones using a proton-exchange membrane (PEM) reactor. Adsorbed monoatomic hydrogen species (Hads) generated from protons at the triple-phase boundary of the cathode were foun

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1920816a0f0ad10e30b9536c1aac3f6d
https://doi.org/10.26434/chemrxiv-2022-mqbgv

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Electrocatalytic hydrogenation of benzoic acids in a proton-exchange membrane reactor

Autor: Mahito Atobe, Yugo Shimizu, Atsushi Fukazawa, Naoki Shida

Publikováno v: Organic & Biomolecular Chemistry. 19:7363-7368

The highly efficient chemoselective electrocatalytic hydrogenation of benzoic acids (BAs) to cyclohexanecarboxylic acids (CCAs) was carried out in a proton-exchange membrane reactor under mild conditions without hydrogenation of the carboxyl group. A

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3f346e445d9cc29617a0aeaa66b2e007
https://doi.org/10.1039/d1ob01197a

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Triple-Phase Boundary in Anion-Exchange Membrane Reactor Enables Selective Electrosynthesis of Aldehyde from Primary Alcohol

Autor: Naoki Shida, Atsushi Fukazawa, Yuka Furutani, Yasushi Sato, Yuto Ido, Mahito Atobe

Publikováno v: ChemSusChem. 14(24)

Oxidation of primary alcohol to the corresponding aldehyde remains a significant challenge, even with the state-of-the-art chemistry. Here, a novel electrochemical system was developed for the exclusive production of aldehyde from primary alcohol usi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0444c0a6062ca52e46df481eb6af7cb4
https://pubmed.ncbi.nlm.nih.gov/34845869

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A New Approach to Stereoselective Electrocatalytic Semihydrogenation of Alkynes to Z-Alkenes using a Proton-Exchange Membrane Reactor

Autor: Atsushi Fukazawa, Kenta Tanaka, Juri Minoshima, Yoshihiro Kobori, Yasushi Hashimoto, Yasushi Sato, Mahito Atobe

Publikováno v: ACS Sustainable Chemistry & Engineering. 7:11050-11055

The electrocatalytic hydrogenation of alkynes was performed in a proton-exchange membrane reactor. Product selectivity for the hydrogenation could be controlled by the catalyst material and the cat...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d95d5362b295c972daedf4e16aea33f6
https://doi.org/10.1021/acssuschemeng.9b01882

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(Digital Presentation) Diastereoselective Electrocatalytic Hydrogenation of Mono-Substituted Cyclohexanones in a Proton Exchange Membrane Reactor

Autor: Yugo Shimizu, Atsushi Fukazawa, Naoki Shida, Mahito Atobe

Publikováno v: ECS Meeting Abstracts. :1841-1841

Cyclic alcohols are important building blocks of pharmaceuticals, perfumes, and liquid crystals. For instance, 4-tert-butylcyclohexyl acetate, which is derived from 4-tert-butylcyclohexanol (1), is a commercialized synthetic fragrance that is used mo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d758bd7cf06596a3b12d2221bfd6c6fc
https://doi.org/10.1149/ma2022-01421841mtgabs

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Electrocatalytic asymmetric hydrogenation of α,β-unsaturated acids in a PEM reactor with cinchona-modified palladium catalysts

Autor: Yasushi Sato, Yasushi Hashimoto, Kenta Tanaka, Atsushi Fukazawa, Mahito Atobe

Publikováno v: Electrochemistry Communications, Vol 115, Iss, Pp-(2020)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::712f410100ad7b71cd2b167bfe996235
http://www.sciencedirect.com/science/article/pii/S1388248120300850

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