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Jin Y, Petrovic PV, Huang S, Banerjee S, Nandy A, Anastas PT, Lam JCH. Carbocation Mechanism Revelation of Molecular Iodine-Mediated Dehydrogenative Aromatization of Substituted Cyclic Ketones to Phenols. J Org Chem 2024; 89:3226-3237. [PMID: 38361498 DOI: 10.1021/acs.joc.3c02691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2024]
Abstract
Dehydrogenative aromatization (DA) of cyclic ketones is central to the development of functionalized aromatic precursors and hydrogen transfer-related technologies. Traditional DA strategies require precious metals with oxidants and are typically performed at high temperatures (100-150 °C) to overcome the high energy barrier of aliphatic C-H bond activation. Recently, a mild alternative approach based on I2 has been proposed to realize DA on substituted unsaturated cyclic ketones under ambient conditions. However, depending on the solvent, the product selectivity may vary between phenol ether and phenol, and the reaction mechanisms remain unclear. Herein, based on time-resolved proton nuclear magnetic resonance, DFT calculation, and mass spectrometric analyses, we established a unified mechanism to account for the product distribution. Through substrate scope and desorption electrospray ionization-mass spectrometry, we discovered the formation of a carbocation, which has been overlooked in previous studies. An expanded substrate scope study coupled with spectroscopic observation provided strong evidence to elucidate the formation mechanism and the location of the carbocation. With a renewed understanding of the mechanism, we achieved a phenolic product yield of 17-96% while controlling the selectivity. Moreover, some reactants could undergo DA in H2O, achieving 95-96% yield at below water-boiling temperature.
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Affiliation(s)
- Yangxin Jin
- School of Energy and Environment, City University of Hong Kong, Kowloon, Hong Kong SAR 999077, China
| | - Predrag V Petrovic
- School of the Environment, Yale University, New Haven, Connecticut 06511, United States
- Center for Green Chemistry and Green Engineering, Yale University, New Haven, Connecticut 06511, United States
| | - Shuquan Huang
- School of Energy and Environment, City University of Hong Kong, Kowloon, Hong Kong SAR 999077, China
| | - Shibdas Banerjee
- Department of Chemistry, Indian Institute of Science Education and Research Tirupati, Tirupati 517507, India
| | - Abhijit Nandy
- Department of Chemistry, Indian Institute of Science Education and Research Tirupati, Tirupati 517507, India
| | - Paul T Anastas
- School of the Environment, Yale University, New Haven, Connecticut 06511, United States
- Center for Green Chemistry and Green Engineering, Yale University, New Haven, Connecticut 06511, United States
| | - Jason Chun-Ho Lam
- School of Energy and Environment, City University of Hong Kong, Kowloon, Hong Kong SAR 999077, China
- State Key Laboratory of Marine Pollution (SKLMP), City University of Hong Kong, Kowloon, Hong Kong SAR 999077, China
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Liu L, Corma A. Bimetallic Sites for Catalysis: From Binuclear Metal Sites to Bimetallic Nanoclusters and Nanoparticles. Chem Rev 2023; 123:4855-4933. [PMID: 36971499 PMCID: PMC10141355 DOI: 10.1021/acs.chemrev.2c00733] [Citation(s) in RCA: 32] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
Abstract
Heterogeneous bimetallic catalysts have broad applications in industrial processes, but achieving a fundamental understanding on the nature of the active sites in bimetallic catalysts at the atomic and molecular level is very challenging due to the structural complexity of the bimetallic catalysts. Comparing the structural features and the catalytic performances of different bimetallic entities will favor the formation of a unified understanding of the structure-reactivity relationships in heterogeneous bimetallic catalysts and thereby facilitate the upgrading of the current bimetallic catalysts. In this review, we will discuss the geometric and electronic structures of three representative types of bimetallic catalysts (bimetallic binuclear sites, bimetallic nanoclusters, and nanoparticles) and then summarize the synthesis methodologies and characterization techniques for different bimetallic entities, with emphasis on the recent progress made in the past decade. The catalytic applications of supported bimetallic binuclear sites, bimetallic nanoclusters, and nanoparticles for a series of important reactions are discussed. Finally, we will discuss the future research directions of catalysis based on supported bimetallic catalysts and, more generally, the prospective developments of heterogeneous catalysis in both fundamental research and practical applications.
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Matsuyama T, Yatabe T, Yabe T, Yamaguchi K. Decarbonylation of 1,2-Diketones to Diaryl Ketones via Oxidative Addition Enabled by an Electron-Deficient Au–Pd Nanoparticle Catalyst. ACS Catal 2022. [DOI: 10.1021/acscatal.2c03729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Takehiro Matsuyama
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Takafumi Yatabe
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Tomohiro Yabe
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Kazuya Yamaguchi
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
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Xia K, Yatabe T, Yonesato K, Yabe T, Kikkawa S, Yamazoe S, Nakata A, Yamaguchi K, Suzuki K. Supported Anionic Gold Nanoparticle Catalysts Modified Using Highly Negatively Charged Multivacant Polyoxometalates. Angew Chem Int Ed Engl 2022; 61:e202205873. [DOI: 10.1002/anie.202205873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Kang Xia
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Takafumi Yatabe
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Kentaro Yonesato
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Tomohiro Yabe
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Soichi Kikkawa
- Department of Chemistry Graduate School of Science Tokyo Metropolitan University 1-1 Minami Osawa Hachioji Tokyo 192-0397 Japan
| | - Seiji Yamazoe
- Department of Chemistry Graduate School of Science Tokyo Metropolitan University 1-1 Minami Osawa Hachioji Tokyo 192-0397 Japan
- Precursory Research for Embryonic Science and Technology (PRESTO) Japan Science and Technology Agency (JST) 4-1-8 Honcho Kawaguchi Saitama 332-0012 Japan
| | - Ayako Nakata
- Precursory Research for Embryonic Science and Technology (PRESTO) Japan Science and Technology Agency (JST) 4-1-8 Honcho Kawaguchi Saitama 332-0012 Japan
- International Center for Materials Nanoarchitectonics (WPI-MANA) National Institute for Materials Science (NIMS) 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
| | - Kazuya Yamaguchi
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Kosuke Suzuki
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
- Precursory Research for Embryonic Science and Technology (PRESTO) Japan Science and Technology Agency (JST) 4-1-8 Honcho Kawaguchi Saitama 332-0012 Japan
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Yamaguchi K, Jin X, Yatabe T, Suzuki K. Development of Environmentally Friendly Dehydrogenative Oxidation Reactions Using Multifunctional Heterogeneous Catalysts. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2022. [DOI: 10.1246/bcsj.20220181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Kazuya Yamaguchi
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656
| | - Xiongjie Jin
- Department of Chemistry and Biotechnology, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656
| | - Takafumi Yatabe
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656
| | - Kosuke Suzuki
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656
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Xia K, Yatabe T, Yonesato K, Yabe T, Kikkawa S, Yamazoe S, Nakata A, Yamaguchi K, Suzuki K. Supported Anionic Gold Nanoparticle Catalysts Modified Using Highly Negatively Charged Multivacant Polyoxometalates. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202205873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Kang Xia
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Takafumi Yatabe
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Kentaro Yonesato
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Tomohiro Yabe
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Soichi Kikkawa
- Department of Chemistry Graduate School of Science Tokyo Metropolitan University 1-1 Minami Osawa Hachioji Tokyo 192-0397 Japan
| | - Seiji Yamazoe
- Department of Chemistry Graduate School of Science Tokyo Metropolitan University 1-1 Minami Osawa Hachioji Tokyo 192-0397 Japan
- Precursory Research for Embryonic Science and Technology (PRESTO) Japan Science and Technology Agency (JST) 4-1-8 Honcho Kawaguchi Saitama 332-0012 Japan
| | - Ayako Nakata
- Precursory Research for Embryonic Science and Technology (PRESTO) Japan Science and Technology Agency (JST) 4-1-8 Honcho Kawaguchi Saitama 332-0012 Japan
- International Center for Materials Nanoarchitectonics (WPI-MANA) National Institute for Materials Science (NIMS) 1-1 Namiki Tsukuba Ibaraki 305-0044 Japan
| | - Kazuya Yamaguchi
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
| | - Kosuke Suzuki
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan
- Precursory Research for Embryonic Science and Technology (PRESTO) Japan Science and Technology Agency (JST) 4-1-8 Honcho Kawaguchi Saitama 332-0012 Japan
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