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Wang XY, Lao HE, Zhang HY, Wang Y, Zhang Q, Wu JQ, Li YF, Zhu HJ, Mao JY, Pan Y. HOO • as the Chain Carrier for the Autocatalytic Photooxidation of Benzylic Alcohols. Molecules 2024; 29:3429. [PMID: 39065007 PMCID: PMC11279666 DOI: 10.3390/molecules29143429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2024] [Revised: 07/14/2024] [Accepted: 07/14/2024] [Indexed: 07/28/2024] Open
Abstract
The oxidation of benzylic alcohols is an important transformation in modern organic synthesis. A plethora of photoredox protocols have been developed to achieve the aerobic oxidation of alcohols into carbonyls. Recently, several groups described that ultraviolet (UV) or purple light can initiate the aerobic oxidation of benzylic alcohols in the absence of an external catalyst, and depicted different mechanisms involving the photoinduction of •O2- as a critical reactive oxygen species (ROS). However, based on comprehensive mechanistic investigations, including control experiments, radical quenching experiments, EPR studies, UV-vis spectroscopy, kinetics studies, and density functional theory calculations (DFT), we elucidate here that HOO•, which is released via the H2O2 elimination of α-hydroxyl peroxyl radicals [ArCR(OH)OO•], serves as the real chain carrier for the autocatalytic photooxidation of benzylic alcohols. The mechanistic ambiguities depicted in the precedent literature are clarified, in terms of the crucial ROS and its evolution, the rate-limiting step, and the primary radical cascade. This work highlights the necessity of stricter mechanistic analyses on UV-driven oxidative reactions that involve aldehydes' (or ketones) generation.
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Affiliation(s)
- Xiao-Yu Wang
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China; (X.-Y.W.); (H.-E.L.); (H.-Y.Z.); (Q.Z.); (J.-Q.W.)
| | - Huan-E Lao
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China; (X.-Y.W.); (H.-E.L.); (H.-Y.Z.); (Q.Z.); (J.-Q.W.)
| | - Hao-Yue Zhang
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China; (X.-Y.W.); (H.-E.L.); (H.-Y.Z.); (Q.Z.); (J.-Q.W.)
| | - Yi Wang
- School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China; (Y.W.); (Y.P.)
| | - Qing Zhang
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China; (X.-Y.W.); (H.-E.L.); (H.-Y.Z.); (Q.Z.); (J.-Q.W.)
| | - Jie-Qing Wu
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China; (X.-Y.W.); (H.-E.L.); (H.-Y.Z.); (Q.Z.); (J.-Q.W.)
| | - Yu-Feng Li
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China; (X.-Y.W.); (H.-E.L.); (H.-Y.Z.); (Q.Z.); (J.-Q.W.)
| | - Hong-Jun Zhu
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China; (X.-Y.W.); (H.-E.L.); (H.-Y.Z.); (Q.Z.); (J.-Q.W.)
| | - Jian-You Mao
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China; (X.-Y.W.); (H.-E.L.); (H.-Y.Z.); (Q.Z.); (J.-Q.W.)
| | - Yi Pan
- School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China; (Y.W.); (Y.P.)
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Pal CK, Jena AK. Ce-catalyzed regioselective synthesis of pyrazoles from 1,2-diols via tandem oxidation and C-C/C-N bond formation. Org Biomol Chem 2022; 21:59-64. [PMID: 36441186 DOI: 10.1039/d2ob01996e] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
A novel and efficient cerium-catalyzed tandem oxidation and intermolecular ring cyclization of vicinal diols with hydrazones has been achieved for the regioselective synthesis of pyrazole derivatives. The corresponding 1,3-di- and 1,3,5-trisubstituted pyrazoles were obtained in moderate to excellent yields. The reaction has the advantages of mild conditions, easily available starting materials, broad substrate scope and good functional group tolerance.
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Affiliation(s)
- Chandan Kumar Pal
- Department of Chemistry, Maharaja Sriram Chandra Bhanja Deo University (Erstwhile North Orissa University), Baripada - 757 003, Odisha, India.
| | - Ashis Kumar Jena
- Department of Chemistry, Maharaja Sriram Chandra Bhanja Deo University (Erstwhile North Orissa University), Baripada - 757 003, Odisha, India.
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Yamamoto Y, Kodama S, Nomoto A, Ogawa A. Innovative green oxidation of amines to imines under atmospheric oxygen. Org Biomol Chem 2022; 20:9503-9521. [PMID: 36218331 DOI: 10.1039/d2ob01421a] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
In recent years, the development of environmentally benign molecular construction methods has been of great importance, and especially, resource recycling, high atomic efficiency, and low environmental impact are in high demand. From this point of view, attention has also been focused on the development of one-pot synthesis of pharmaceuticals and functional molecules. Imines are excellent synthetic intermediates of these useful molecules, and the environmentally friendly oxidative synthesis of imines from amines has been energetically developed using oxygen (or air), which is abundantly available on the Earth, as an oxidant. This review focuses on the latest innovative and green oxidation systems of amines to imines under atmospheric oxygen, and their application to one-pot/eco-friendly and sustainable synthesis of pharmaceuticals and functional molecules. In particular, catalytic systems that activate molecular oxygen are categorized and described in detail as transition metal catalytic systems, photoirradiated catalytic systems, and organocatalytic systems.
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Affiliation(s)
- Yuki Yamamoto
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Nakaku, Sakai, Osaka 599-8531, Japan.
| | - Shintaro Kodama
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Nakaku, Sakai, Osaka 599-8531, Japan.
| | - Akihiro Nomoto
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Nakaku, Sakai, Osaka 599-8531, Japan.
| | - Akiya Ogawa
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Nakaku, Sakai, Osaka 599-8531, Japan.
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Chen. R, Zhao Q, Yan D, Xin J, Lu X. Base‐free synthesis of bio‐derived 2,5‐furandicarboxylic acid using SBA‐15 supported heteropoly acids in ionic liquids. ChemistrySelect 2022. [DOI: 10.1002/slct.202200529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Ruru Chen.
- Beijing Key Laboratory of Ionic Liquids Clean Process CAS Key Laboratory of Green Process and Engineering State Key Laboratory of Multiphase Complex Systems Institute of Process Engineering Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Qiu Zhao
- Beijing Key Laboratory of Ionic Liquids Clean Process CAS Key Laboratory of Green Process and Engineering State Key Laboratory of Multiphase Complex Systems Institute of Process Engineering Chinese Academy of Sciences Beijing 100190 P. R. China
- School of Chemical Engineering and Energy Zhengzhou University Zhengzhou 450001 Henan P. R. China
| | - Dongxia Yan
- Beijing Key Laboratory of Ionic Liquids Clean Process CAS Key Laboratory of Green Process and Engineering State Key Laboratory of Multiphase Complex Systems Institute of Process Engineering Chinese Academy of Sciences Beijing 100190 P. R. China
- Langfang Technological Centre of Green Industry Langfang 065006 Hebei P. R. China
| | - Jiayu Xin
- Beijing Key Laboratory of Ionic Liquids Clean Process CAS Key Laboratory of Green Process and Engineering State Key Laboratory of Multiphase Complex Systems Institute of Process Engineering Chinese Academy of Sciences Beijing 100190 P. R. China
- School of Chemical Engineering University of Chinese Academy of Sciences Beijing 100049 P. R. China
- Institute of Process Engineering Innovation Academy for Green Manufacture Chinese Academy of Sciences Beijing 100190 P. R. China
- Sino Danish College University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Xingmei Lu
- Beijing Key Laboratory of Ionic Liquids Clean Process CAS Key Laboratory of Green Process and Engineering State Key Laboratory of Multiphase Complex Systems Institute of Process Engineering Chinese Academy of Sciences Beijing 100190 P. R. China
- School of Chemical Engineering University of Chinese Academy of Sciences Beijing 100049 P. R. China
- Institute of Process Engineering Innovation Academy for Green Manufacture Chinese Academy of Sciences Beijing 100190 P. R. China
- Sino Danish College University of Chinese Academy of Sciences Beijing 100049 P. R. China
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Das D, Jena AK, Pal CK, Bourda L, Van Hecke K. CuI Nanoparticles‐Catalyzed Regioselective Synthesis of 3‐Nitro‐2‐arylimidazo[1,2‐a]pyridines using Oxygen as Oxidant. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202100776] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Dibya Das
- Maharaja Sriram Chandra Bhanja Deo University Chemistry Department of ChemistryMaharaja Sriram Chandra Bhanjadeo University(Erstwhile North Orissa University) Sriram Chandra Vihar, Takatpur, Baripada, Od 757003 Baripada INDIA
| | - Ashis Kumar Jena
- North Orissa University Chemistry Sriram Chandra ViharTakatpur 757003 Baripada INDIA
| | - Chandan Kumar Pal
- Maharaja Sriram Chandra Bhanja Deo University Chemistry Department of ChemistryMaharaja Sriram Chandra Bhanjadeo University(Erstwhile North Orissa University) Sriram Chandra Vihar, Takatpur, Baripada, Od 757003 Baripada INDIA
| | - Laurens Bourda
- Ghent University: Universiteit Gent Chemistry 9000 Ghent BELGIUM
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Cheng X, Li S, Liu S, Xin Y, Yang J, Chen B, Liu H. Highly efficient catalytic oxidation of 5-hydroxymethylfurfural to 2,5-furandicarboxylic acid using bimetallic Pt-Cu alloy nanoparticles as catalysts. Chem Commun (Camb) 2022; 58:1183-1186. [PMID: 34981091 DOI: 10.1039/d1cc05757j] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Bimetallic platinum-copper alloy nanoparticles are highly active catalysts for the oxidation of 5-hydroxymethylfurfural (HMF) to 2,5-furandicarboxylic acid (FDCA) under base-free conditions, with a high turnover frequency of up to 135 h-1 in aqueous solution. The Pt-Cu1.5/AC alloyed catalyst promoted the rate-determining step in the tandem oxidation compared with the monometallic Pt/AC catalyst, thus improving the catalytic performance.
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Affiliation(s)
- Xiaomeng Cheng
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid and Interface and Thermodynamics Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China. .,University of Chinese Academy of Sciences, Beijing 100149, P. R. China
| | - Shaopeng Li
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, Institute of Molecular Aggregation Science, Tianjin University, Tianjin 300072, P. R. China
| | - Shulin Liu
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid and Interface and Thermodynamics Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China. .,University of Chinese Academy of Sciences, Beijing 100149, P. R. China
| | - Yu Xin
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid and Interface and Thermodynamics Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China. .,University of Chinese Academy of Sciences, Beijing 100149, P. R. China
| | - Junjuan Yang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid and Interface and Thermodynamics Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China.
| | - Bingfeng Chen
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid and Interface and Thermodynamics Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China.
| | - Huizhen Liu
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid and Interface and Thermodynamics Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China. .,University of Chinese Academy of Sciences, Beijing 100149, P. R. China
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Yamamoto Y, Ota M, Kodama S, Ueshima M, Nomoto A, Ogawa A, Furuya M, Kawakami K. Excellent Catalytic Performances of a Au/C-CuO Binary System in the Selective Oxidation of Benzylamines to Imines under Atmospheric Oxygen. ACS OMEGA 2021; 6:34339-34346. [PMID: 34963919 PMCID: PMC8697021 DOI: 10.1021/acsomega.1c04046] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 11/03/2021] [Indexed: 06/14/2023]
Abstract
A green method of the oxidation of benzylamines to imines was developed using a novel binary system of Au/C-CuO. This system was evaluated under atmospheric oxygen, and the corresponding imines were obtained in up to 100% yields by loading 0.006 mol % of Au/C and 1.25 mol % of CuO under mild conditions. This system was also successfully applied to the syntheses of N-containing functional molecules, as well as that of imines on the scale of several grams. Furthermore, the turnover number of the system (more than 8000 times on a gold basis) as well as its ability to be reused more than 10 times for benzylamine oxidation demonstrates the excellent durability and recyclability of the developed system.
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Affiliation(s)
- Yuki Yamamoto
- Department
of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Nakaku, Sakai, Osaka 599-8531, Japan
| | - Miyuto Ota
- Department
of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Nakaku, Sakai, Osaka 599-8531, Japan
| | - Shintaro Kodama
- Department
of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Nakaku, Sakai, Osaka 599-8531, Japan
| | - Michio Ueshima
- Department
of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Nakaku, Sakai, Osaka 599-8531, Japan
| | - Akihiro Nomoto
- Department
of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Nakaku, Sakai, Osaka 599-8531, Japan
| | - Akiya Ogawa
- Department
of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Nakaku, Sakai, Osaka 599-8531, Japan
| | - Mitsunori Furuya
- Science
& Innovation Center, Mitsubishi Chemical
Corporation, 1000 Kamoshida-cho, Aoba-ku, Yokohama-shi, Kanagawa 227-8502, Japan
| | - Kiminori Kawakami
- Science
& Innovation Center, Mitsubishi Chemical
Corporation, 1000 Kamoshida-cho, Aoba-ku, Yokohama-shi, Kanagawa 227-8502, Japan
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