1
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Narjinari H, Tanwar N, Kathuria L, Jasra RV, Kumar A. Guerbet-type β-alkylation of secondary alcohols catalyzed by chromium chloride and its corresponding NNN pincer complex. Catal Sci Technol 2022. [DOI: 10.1039/d2cy00759b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
β-Alkylation of alcohols has been efficiently accomplished using readily available 3d metal Cr under microwave conditions in air. Well-defined molecular Cr is involved with a KIE of 7.33 and insertion of α-alkylated ketone into Cr–H bond as the RDS.
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Affiliation(s)
- Himani Narjinari
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati – 781039, Assam, India
| | - Niharika Tanwar
- Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati – 781039, Assam, India
| | - Lakshay Kathuria
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati – 781039, Assam, India
| | - Raksh Vir Jasra
- Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati – 781039, Assam, India
- Reliance Industries limited, R&D Centre, Vadodara Manufacturing Division, Vadodara, 391 346, Gujarat, India
| | - Akshai Kumar
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati – 781039, Assam, India
- Centre for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati – 781039, Assam, India
- Jyoti and Bhupat School of Health Sciences and Technology, Indian Institute of Technology Guwahati, Guwahati, 781039, Assam, India
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2
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Pandia BK, Pattanaik S, Gunanathan C. Manganese(I) catalyzed cross-coupling of secondary allylic alcohols and primary alcohols. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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3
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Liu J, Li W, Li Y, Liu Y, Ke Z. Selective C-alkylation Between Alcohols Catalyzed by N-Heterocyclic Carbene Molybdenum. Chem Asian J 2021; 16:3124-3128. [PMID: 34529352 DOI: 10.1002/asia.202100959] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Indexed: 01/26/2023]
Abstract
The first implementation of a molybdenum complex with an easily accessible bis-N-heterocyclic carbene ligand to catalyze β-alkylation of secondary alcohols via borrowing-hydrogen (BH) strategy using alcohols as alkylating agents is reported. Remarkably high activity, excellent selectivity, and broad substrate scope compatibility with advantages of catalyst usage low to 0.5 mol%, a catalytic amount of NaOH as the base, and H2 O as the by-product are demonstrated in this green and step-economical protocol. Mechanistic studies indicate a plausible outer-sphere mechanism in which the alcohol dehydrogenation is the rate-determining step.
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Affiliation(s)
- Jiahao Liu
- School of Materials Science and Engineering, PCFM Lab, School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Weikang Li
- School of Materials Science and Engineering, PCFM Lab, School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Yinwu Li
- School of Materials Science and Engineering, PCFM Lab, School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Yan Liu
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, P. R. China
| | - Zhuofeng Ke
- School of Materials Science and Engineering, PCFM Lab, School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
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4
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Affiliation(s)
- Vinay Arora
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, 781039, Assam, India
| | - Himani Narjinari
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, 781039, Assam, India
| | - Akshai Kumar
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, 781039, Assam, India
- Center for Nanotechnology, Indian Institute of Technology Guwahati, Guwahati, 781039, Assam, India
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5
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Liu Y, Miao W, Tang W, Xue D, Xiao J, Wang C, Li C. Rhodium-terpyridine Catalyzed Transfer Hydrogenation of Aromatic Nitro Compounds in Water. Chem Asian J 2021; 16:1725-1729. [PMID: 33950565 DOI: 10.1002/asia.202100321] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2021] [Revised: 05/02/2021] [Indexed: 11/10/2022]
Abstract
A rhodium terpyridine complex catalyzed transfer hydrogenation of nitroarenes to anilines with i-PrOH as hydrogen source and water as solvent has been developed. The catalytic system can work at a substrate/catalyst (S/C) ratio of 2000, with a turnover frequency (TOF) up to 3360 h-1 , which represents one of the most active catalytic transfer hydrogenation systems for nitroarene reduction. The catalytic system is operationally simple and the protocol could be scaled up to 20 gram scale. The water-soluble catalyst bearing a carboxyl group could be recycled 15 times without significant loss of activity.
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Affiliation(s)
- Yuxuan Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China.,CAS Key Laboratory of Science and Technology on Applied Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, P. R. China
| | - Wang Miao
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Weijun Tang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Dong Xue
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Jianliang Xiao
- Department of Chemistry, University of Liverpool, Liverpool, L69 7ZD, United Kingdom
| | - Chao Wang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Changzhi Li
- CAS Key Laboratory of Science and Technology on Applied Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, P. R. China
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6
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Pandey B, Xu S, Ding K. Switchable β-alkylation of Secondary Alcohols with Primary Alcohols by a Well-Defined Cobalt Catalyst. Organometallics 2021. [DOI: 10.1021/acs.organomet.1c00147] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Bedraj Pandey
- Department of Chemistry, Middle Tennessee State University, Murfreesboro, Tennessee 37132, United States
| | - Shi Xu
- Department of Chemistry, Middle Tennessee State University, Murfreesboro, Tennessee 37132, United States
| | - Keying Ding
- Department of Chemistry, Middle Tennessee State University, Murfreesboro, Tennessee 37132, United States
- Molecular Biosciences Program, Middle Tennessee State University, Murfreesboro, Tennessee 37132, United States
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7
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Babu R, Subaramanian M, Midya SP, Balaraman E. Nickel-Catalyzed Guerbet Type Reaction: C-Alkylation of Secondary Alcohols via Double (de)Hydrogenation. Org Lett 2021; 23:3320-3325. [PMID: 33881325 DOI: 10.1021/acs.orglett.1c00782] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Acceptorless double dehydrogenative cross-coupling of secondary and primary alcohols under nickel catalysis is reported. This Guerbet type reaction provides an atom- and a step-economical method for the C-alkylation of secondary alcohols under mild, benign conditions. A broad range of substrates including aromatic, cyclic, acyclic, and aliphatic alcohols was well tolerated. Interestingly, the C-alkylation of cholesterol derivatives and the double C-alkylation of cyclopentanol with various alcohols were also demonstrated.
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Affiliation(s)
- Reshma Babu
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati, Tirupati 517507, India
| | - Murugan Subaramanian
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati, Tirupati 517507, India
| | - Siba P Midya
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati, Tirupati 517507, India
| | - Ekambaram Balaraman
- Department of Chemistry, Indian Institute of Science Education and Research (IISER) Tirupati, Tirupati 517507, India
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8
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Sung K, Lee M, Cheong Y, Kim YK, Yu S, Jang H. Ir(NHC)‐Catalyzed Synthesis of β‐Alkylated Alcohols via Borrowing Hydrogen Strategy: Influence of Bimetallic Structure. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100219] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Kihyuk Sung
- Department of Energy Systems Research Ajou University Suwon 16499 South Korea
| | - Mi‐hyun Lee
- Department of Energy Systems Research Ajou University Suwon 16499 South Korea
| | - Yeon‐Joo Cheong
- Department of Energy Systems Research Ajou University Suwon 16499 South Korea
| | - Yu Kwon Kim
- Department of Energy Systems Research Ajou University Suwon 16499 South Korea
| | - Sungju Yu
- Department of Energy Systems Research Ajou University Suwon 16499 South Korea
| | - Hye‐Young Jang
- Department of Energy Systems Research Ajou University Suwon 16499 South Korea
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9
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Su C, Zeng M, Zhang C, Cui DM. Ruthenium Catalyzed Divergent Alkylation and Olefination of Methyl 1,3,5-Triazines with Alcohols. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000781] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Chengwu Su
- College of Pharmaceutical Science; Zhejiang University of Technology; 310014 Hangzhou China
| | - Ming Zeng
- College of Pharmaceutical Science; Zhejiang University of Technology; 310014 Hangzhou China
| | - Chen Zhang
- College of Pharmaceutical Science; Zhejiang University of Technology; 310014 Hangzhou China
| | - Dong-Mei Cui
- College of Pharmaceutical Science; Zhejiang University of Technology; 310014 Hangzhou China
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10
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Ng TW, Liao G, Lau KK, Pan H, Zhao Y. Room‐Temperature Guerbet Reaction with Unprecedented Catalytic Efficiency and Enantioselectivity. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202004758] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Teng Wei Ng
- Department of Chemistry National University of Singapore 3 Science Drive 3 Singapore 117543 Republic of Singapore
| | - Gang Liao
- Department of Chemistry National University of Singapore 3 Science Drive 3 Singapore 117543 Republic of Singapore
| | - Kai Kiat Lau
- Department of Chemistry National University of Singapore 3 Science Drive 3 Singapore 117543 Republic of Singapore
| | - Hui‐Jie Pan
- Department of Chemistry National University of Singapore 3 Science Drive 3 Singapore 117543 Republic of Singapore
| | - Yu Zhao
- Department of Chemistry National University of Singapore 3 Science Drive 3 Singapore 117543 Republic of Singapore
- Joint School of National University of Singapore and Tianjin University International Campus of Tianjin University Binhai New City Fuzhou 350207 China
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11
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Ng TW, Liao G, Lau KK, Pan H, Zhao Y. Room‐Temperature Guerbet Reaction with Unprecedented Catalytic Efficiency and Enantioselectivity. Angew Chem Int Ed Engl 2020; 59:11384-11389. [DOI: 10.1002/anie.202004758] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 04/21/2020] [Indexed: 12/22/2022]
Affiliation(s)
- Teng Wei Ng
- Department of Chemistry National University of Singapore 3 Science Drive 3 Singapore 117543 Republic of Singapore
| | - Gang Liao
- Department of Chemistry National University of Singapore 3 Science Drive 3 Singapore 117543 Republic of Singapore
| | - Kai Kiat Lau
- Department of Chemistry National University of Singapore 3 Science Drive 3 Singapore 117543 Republic of Singapore
| | - Hui‐Jie Pan
- Department of Chemistry National University of Singapore 3 Science Drive 3 Singapore 117543 Republic of Singapore
| | - Yu Zhao
- Department of Chemistry National University of Singapore 3 Science Drive 3 Singapore 117543 Republic of Singapore
- Joint School of National University of Singapore and Tianjin University International Campus of Tianjin University Binhai New City Fuzhou 350207 China
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12
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Wang K, Zhang L, Tang W, Sun H, Xue D, Lei M, Xiao J, Wang C. Asymmetric Guerbet Reaction to Access Chiral Alcohols. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202003104] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Kun Wang
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710062 China
| | - Lin Zhang
- State Key Laboratory of Chemical Resource Engineering Institute of Computational Chemistry College of Chemistry Beijing University of Chemical Technology Beijing 100029 China
| | - Weijun Tang
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710062 China
| | - Huaming Sun
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710062 China
| | - Dong Xue
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710062 China
| | - Ming Lei
- State Key Laboratory of Chemical Resource Engineering Institute of Computational Chemistry College of Chemistry Beijing University of Chemical Technology Beijing 100029 China
| | - Jianliang Xiao
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710062 China
- Department of Chemistry University of Liverpool Liverpool L69 7ZD UK
| | - Chao Wang
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710062 China
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13
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Wang K, Zhang L, Tang W, Sun H, Xue D, Lei M, Xiao J, Wang C. Asymmetric Guerbet Reaction to Access Chiral Alcohols. Angew Chem Int Ed Engl 2020; 59:11408-11415. [DOI: 10.1002/anie.202003104] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Indexed: 12/11/2022]
Affiliation(s)
- Kun Wang
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710062 China
| | - Lin Zhang
- State Key Laboratory of Chemical Resource Engineering Institute of Computational Chemistry College of Chemistry Beijing University of Chemical Technology Beijing 100029 China
| | - Weijun Tang
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710062 China
| | - Huaming Sun
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710062 China
| | - Dong Xue
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710062 China
| | - Ming Lei
- State Key Laboratory of Chemical Resource Engineering Institute of Computational Chemistry College of Chemistry Beijing University of Chemical Technology Beijing 100029 China
| | - Jianliang Xiao
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710062 China
- Department of Chemistry University of Liverpool Liverpool L69 7ZD UK
| | - Chao Wang
- Key Laboratory of Applied Surface and Colloid Chemistry Ministry of Education School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710062 China
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14
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Dubey P, Singh AK. Sonogashira Coupling (Cu/Amine‐Free) of ArBr/Cl in Aerobic Condition and N
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Benzylation of Aniline with Benzyl Alcohol Catalyzed by Complexes of Pd(II) with Sulfated/Selenated NHCs. ChemistrySelect 2020. [DOI: 10.1002/slct.201904819] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Pooja Dubey
- Department of Chemistry, Indian Institute of Technology, Delhi New Delhi 110016 India
| | - Ajai K. Singh
- Department of Chemistry, Indian Institute of Technology, Delhi New Delhi 110016 India
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15
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Das K, Yasmin E, Das B, Srivastava HK, Kumar A. Phosphine-free pincer-ruthenium catalyzed biofuel production: high rates, yields and turnovers of solventless alcohol alkylation. Catal Sci Technol 2020. [DOI: 10.1039/d0cy01679a] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
High TONs and TOFs are observed for the β-alkylation of alcohols using phosphine-free pincer-ruthenium catalysts at a very low base loading. Kinetic studies and DFT calculations were complementary and provide a clear understanding on the mechanism.
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Affiliation(s)
- Kanu Das
- Department of Chemistry
- Indian Institute of Technology Guwahati
- Guwahati
- India
| | - Eileen Yasmin
- Department of Chemistry
- Indian Institute of Technology Guwahati
- Guwahati
- India
| | - Babulal Das
- Department of Chemistry
- Indian Institute of Technology Guwahati
- Guwahati
- India
| | - Hemant Kumar Srivastava
- Department of Medicinal Chemistry
- National Institute of Pharmaceutical Education and Research Guwahati
- Guwahati
- India
| | - Akshai Kumar
- Department of Chemistry
- Indian Institute of Technology Guwahati
- Guwahati
- India
- Centre for Nanotechnology
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16
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Pandey B, Xu S, Ding K. Selective Ketone Formations via Cobalt-Catalyzed β-Alkylation of Secondary Alcohols with Primary Alcohols. Org Lett 2019; 21:7420-7423. [DOI: 10.1021/acs.orglett.9b02727] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Bedraj Pandey
- Department of Chemistry, Middle Tennessee State University, Murfreesboro, Tennessee 37132, United States
| | - Shi Xu
- Department of Chemistry, Middle Tennessee State University, Murfreesboro, Tennessee 37132, United States
| | - Keying Ding
- Department of Chemistry, Middle Tennessee State University, Murfreesboro, Tennessee 37132, United States
- Molecular Biosciences Program, Middle Tennessee State University, Murfreesboro, Tennessee 37132, United States
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17
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Joarder DD, Gayen S, Sarkar R, Bhattacharya R, Roy S, Maiti DK. (Ar-tpy)Ru II(ACN) 3: A Water-Soluble Catalyst for Aldehyde Amidation, Olefin Oxo-Scissoring, and Alkyne Oxygenation. J Org Chem 2019; 84:8468-8480. [PMID: 31244154 DOI: 10.1021/acs.joc.9b00487] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The synthetic chemists always look for developing new catalysts, sustainable catalysis, and their applications in various organic transformations. Herein, we report a new class of water-soluble complexes, (Ar-tpy)RuII(ACN)3, utilizing designed terpyridines possessing electron-donating and -withdrawing aromatic residues for tuning the catalytic activity of the Ru(II) complex. These complexes displayed excellent catalytic activity for several oxidative organic transformations including late-stage C-H functionalization of aldehydes with NH2OR to valuable primary amides in nonconventional aqueous media with excellent yield. Its diverse catalytic power was established for direct oxo-scissoring of a wide range of alkenes to furnish aldehydes and/or ketones in high yield using a low catalyst loading in the water. Its smart catalytic activity under mild conditions was validated for dioxygenation of alkynes to highly demanding labile synthons, 1,2-diketones, and/or acids. This general and sustainable catalysis was successfully employed on sugar-based substrates to obtain the chiral amides, aldehydes, and labile 1,2-diketones. The catalyst is recovered and reused with a moderate turnover. The proposed mechanistic pathway is supported by isolation of the intermediates and their characterization. This multifaceted sustainable catalysis is a unique tool, especially for late-stage functionalization, to furnish the targeted compounds through frequently used amidation and oxygenation processes in the academia and industry.
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Affiliation(s)
- Dripta De Joarder
- Department of Chemistry , University of Calcutta , 92 A. P. C. Road , Kolkata 700009 , India
| | - Subrata Gayen
- Department of Chemistry , University of Calcutta , 92 A. P. C. Road , Kolkata 700009 , India
| | - Rajarshi Sarkar
- School of Technology Management & Engineering , NMIMS , Indore 453112 , India
| | - Rajarshi Bhattacharya
- Department of Chemistry , University of Calcutta , 92 A. P. C. Road , Kolkata 700009 , India
| | | | - Dilip K Maiti
- Department of Chemistry , University of Calcutta , 92 A. P. C. Road , Kolkata 700009 , India
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18
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El-Sepelgy O, Matador E, Brzozowska A, Rueping M. C-Alkylation of Secondary Alcohols by Primary Alcohols through Manganese-Catalyzed Double Hydrogen Autotransfer. CHEMSUSCHEM 2019; 12:3099-3102. [PMID: 30239145 DOI: 10.1002/cssc.201801660] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2018] [Revised: 08/14/2018] [Indexed: 06/08/2023]
Abstract
A new Mn-catalyzed alkylation of secondary alcohols with non-activated alcohols is presented. The use of a stable and well-defined manganese pincer complex, stabilized by a PNN ligand, together with a catalytic amount of base enabled the conversion of renewable alcohol feedstocks to a broad range of higher-value alcohols in good yields with water as the sole byproduct. The strategy eliminates the need for exogenous and detrimental alkyl halides as well as the use of noble metal catalysts, making the C-alkylation through double hydrogen autotransfer a highly sustainable and environmentally benign process. Mechanistic investigations support a hydrogen autotransfer mechanism in which a non-innocent ligand plays a crucial role.
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Affiliation(s)
- Osama El-Sepelgy
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074, Aachen, Germany
| | - Esteban Matador
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074, Aachen, Germany
| | - Aleksandra Brzozowska
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074, Aachen, Germany
| | - Magnus Rueping
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074, Aachen, Germany
- KAUST Catalysis Center (KCC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
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19
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Genç S, Arslan B, Gülcemal S, Günnaz S, Çetinkaya B, Gülcemal D. Iridium(I)-Catalyzed C–C and C–N Bond Formation Reactions via the Borrowing Hydrogen Strategy. J Org Chem 2019; 84:6286-6297. [DOI: 10.1021/acs.joc.9b00632] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Sertaç Genç
- Chemistry Department, Ege University, Bornova, 35100 Izmir, Turkey
| | - Burcu Arslan
- Chemistry Department, Ege University, Bornova, 35100 Izmir, Turkey
| | | | - Salih Günnaz
- Chemistry Department, Ege University, Bornova, 35100 Izmir, Turkey
| | - Bekir Çetinkaya
- Chemistry Department, Ege University, Bornova, 35100 Izmir, Turkey
| | - Derya Gülcemal
- Chemistry Department, Ege University, Bornova, 35100 Izmir, Turkey
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20
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Irrgang T, Kempe R. 3d-Metal Catalyzed N- and C-Alkylation Reactions via Borrowing Hydrogen or Hydrogen Autotransfer. Chem Rev 2018; 119:2524-2549. [DOI: 10.1021/acs.chemrev.8b00306] [Citation(s) in RCA: 419] [Impact Index Per Article: 69.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Torsten Irrgang
- Inorganic Chemistry II − Catalyst Design, University of Bayreuth, 95440 Bayreuth, Germany
| | - Rhett Kempe
- Inorganic Chemistry II − Catalyst Design, University of Bayreuth, 95440 Bayreuth, Germany
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21
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Manojveer S, Forrest SJK, Johnson MT. Ru-Catalyzed Completely Deoxygenative Coupling of 2-Arylethanols through Base-Induced Net Decarbonylation. Chemistry 2018; 24:803-807. [PMID: 29239494 DOI: 10.1002/chem.201705208] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Indexed: 01/25/2023]
Abstract
Substituted arylethanols can be coupled by using a readily available Ru catalyst in a fully deoxygenative manner to produce hydrocarbon chains in one step. Control experiments indicate that the first deoxygenation occurs through an aldol condensation, whereas the second occurs through a base-induced net decarbonylation. This double deoxygenation enables further development in the use of alcohols as versatile and green alkylating reagents, as well as in other fields, such as deoxygenation and upgrading of overfunctionalized biomass to produce hydrocarbons.
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Affiliation(s)
- Seetharaman Manojveer
- Centre for Analysis and Synthesis, Department of Chemistry, Lund University, P.O. Box 124, 22100, Lund, Sweden
| | - Sebastian J K Forrest
- Centre for Analysis and Synthesis, Department of Chemistry, Lund University, P.O. Box 124, 22100, Lund, Sweden
| | - Magnus T Johnson
- Centre for Analysis and Synthesis, Department of Chemistry, Lund University, P.O. Box 124, 22100, Lund, Sweden
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22
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Corma A, Navas J, Sabater MJ. Advances in One-Pot Synthesis through Borrowing Hydrogen Catalysis. Chem Rev 2018; 118:1410-1459. [DOI: 10.1021/acs.chemrev.7b00340] [Citation(s) in RCA: 542] [Impact Index Per Article: 90.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Avelino Corma
- Instituto de Tecnología
Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas, Avenida Los Naranjos s/n, 46022 Valencia, Spain
| | - Javier Navas
- Instituto de Tecnología
Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas, Avenida Los Naranjos s/n, 46022 Valencia, Spain
| | - Maria J. Sabater
- Instituto de Tecnología
Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas, Avenida Los Naranjos s/n, 46022 Valencia, Spain
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23
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Roy BC, Debnath S, Chakrabarti K, Paul B, Maji M, Kundu S. ortho-Amino group functionalized 2,2′-bipyridine based Ru(ii) complex catalysed alkylation of secondary alcohols, nitriles and amines using alcohols. Org Chem Front 2018. [DOI: 10.1039/c7qo01061c] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The catalytic activity of Ru(ii) complexes in sustainable C–C and C–N bond formation is enhanced by using a functionalized 2,2′-bipyridine ligand.
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Affiliation(s)
| | | | | | - Bhaskar Paul
- Department of Chemistry
- IIT Kanpur
- Kanpur 208016
- India
| | - Milan Maji
- Department of Chemistry
- IIT Kanpur
- Kanpur 208016
- India
| | - Sabuj Kundu
- Department of Chemistry
- IIT Kanpur
- Kanpur 208016
- India
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24
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Shee S, Paul B, Panja D, Roy BC, Chakrabarti K, Ganguli K, Das A, Das GK, Kundu S. Tandem Cross Coupling Reaction of Alcohols for Sustainable Synthesis of β-Alkylated Secondary Alcohols and Flavan Derivatives. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201700722] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Sujan Shee
- Department of Chemistry; Indian Institute of Technology Kanpur; Kanpur 208016 India
| | - Bhaskar Paul
- Department of Chemistry; Indian Institute of Technology Kanpur; Kanpur 208016 India
| | - Dibyajyoti Panja
- Department of Chemistry; Indian Institute of Technology Kanpur; Kanpur 208016 India
| | - Bivas Chandra Roy
- Department of Chemistry; Indian Institute of Technology Kanpur; Kanpur 208016 India
| | - Kaushik Chakrabarti
- Department of Chemistry; Indian Institute of Technology Kanpur; Kanpur 208016 India
| | - Kasturi Ganguli
- Department of Chemistry; Indian Institute of Technology Kanpur; Kanpur 208016 India
| | - Ayan Das
- Department of Chemistry; Indian Institute of Technology Kanpur; Kanpur 208016 India
| | - Gourab Kanti Das
- Department of Chemistry; Visva Bharati University; Santiniketan, West Bengal 731235 India
| | - Sabuj Kundu
- Department of Chemistry; Indian Institute of Technology Kanpur; Kanpur 208016 India
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25
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Chelucci G. Ruthenium and osmium complexes in CC bond-forming reactions by borrowing hydrogen catalysis. Coord Chem Rev 2017. [DOI: 10.1016/j.ccr.2016.10.002] [Citation(s) in RCA: 133] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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26
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Roy BC, Chakrabarti K, Shee S, Paul S, Kundu S. Bifunctional RuII-Complex-Catalysed Tandem C−C Bond Formation: Efficient and Atom Economical Strategy for the Utilisation of Alcohols as Alkylating Agents. Chemistry 2016; 22:18147-18155. [DOI: 10.1002/chem.201603557] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Indexed: 11/06/2022]
Affiliation(s)
| | | | - Sujan Shee
- Department of Chemistry; IIT Kanpur; Kanpur 208016 UP India
| | - Subhadeep Paul
- Department of Chemistry; IIT Kanpur; Kanpur 208016 UP India
| | - Sabuj Kundu
- Department of Chemistry; IIT Kanpur; Kanpur 208016 UP India
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27
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Wang Q, Wu K, Yu Z. Ruthenium(III)-Catalyzed β-Alkylation of Secondary Alcohols with Primary Alcohols. Organometallics 2016. [DOI: 10.1021/acs.organomet.6b00130] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Qingfu Wang
- Dalian
Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan
Road, Dalian, Liaoning 116023, China
| | - Kaikai Wu
- Dalian
Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan
Road, Dalian, Liaoning 116023, China
| | - Zhengkun Yu
- Dalian
Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan
Road, Dalian, Liaoning 116023, China
- State
Key Laboratory of Organometallic Chemistry, Shanghai Institute of
Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin Road, Shanghai 200032, China
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28
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Rossi R, Lessi M, Manzini C, Marianetti G, Bellina F. Achievement of regioselectivity in transition metal-catalyzed direct C–H (hetero)arylation reactions of heteroarenes with one heteroatom through the use of removable protecting/blocking substituents or traceless directing groups. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.02.037] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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29
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Cheng J, Zhu M, Wang C, Li J, Jiang X, Wei Y, Tang W, Xue D, Xiao J. Chemoselective dehydrogenative esterification of aldehydes and alcohols with a dimeric rhodium(ii) catalyst. Chem Sci 2016; 7:4428-4434. [PMID: 30155090 PMCID: PMC6090528 DOI: 10.1039/c6sc00145a] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Accepted: 03/27/2016] [Indexed: 01/14/2023] Open
Abstract
A dimeric rhodium(ii) complex catalyses the chemoselective dehydrogenative esterification of aldehydes and alcohols.
Dehydrogenative cross-coupling of aldehydes with alcohols as well as dehydrogentive cross-coupling of primary alcohols to produce esters have been developed using a Rh-terpyridine catalyst. The catalyst demonstrates broad substrate scope and good functional group tolerance, affording esters highly selectively. The high chemoselectivity of the catalyst stems from its preference for dehydrogenation of benzylic alcohols over aliphatic ones. Preliminary mechanistic studies suggest that the active catalyst is a dimeric Rh(ii) species, operating via a mechanism involving metal–base–metal cooperativity.
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Affiliation(s)
- Junjie Cheng
- Key Laboratory of Applied Surface and Colloid Chemistry , Ministry of Education , School of Chemistry and Chemical Engineering , Shaanxi Normal University , Xi'an , 710062 , China .
| | - Meijuan Zhu
- Key Laboratory of Applied Surface and Colloid Chemistry , Ministry of Education , School of Chemistry and Chemical Engineering , Shaanxi Normal University , Xi'an , 710062 , China .
| | - Chao Wang
- Key Laboratory of Applied Surface and Colloid Chemistry , Ministry of Education , School of Chemistry and Chemical Engineering , Shaanxi Normal University , Xi'an , 710062 , China .
| | - Junjun Li
- Key Laboratory of Applied Surface and Colloid Chemistry , Ministry of Education , School of Chemistry and Chemical Engineering , Shaanxi Normal University , Xi'an , 710062 , China .
| | - Xue Jiang
- Key Laboratory of Applied Surface and Colloid Chemistry , Ministry of Education , School of Chemistry and Chemical Engineering , Shaanxi Normal University , Xi'an , 710062 , China .
| | - Yawen Wei
- Key Laboratory of Applied Surface and Colloid Chemistry , Ministry of Education , School of Chemistry and Chemical Engineering , Shaanxi Normal University , Xi'an , 710062 , China .
| | - Weijun Tang
- Key Laboratory of Applied Surface and Colloid Chemistry , Ministry of Education , School of Chemistry and Chemical Engineering , Shaanxi Normal University , Xi'an , 710062 , China .
| | - Dong Xue
- Key Laboratory of Applied Surface and Colloid Chemistry , Ministry of Education , School of Chemistry and Chemical Engineering , Shaanxi Normal University , Xi'an , 710062 , China .
| | - Jianliang Xiao
- Key Laboratory of Applied Surface and Colloid Chemistry , Ministry of Education , School of Chemistry and Chemical Engineering , Shaanxi Normal University , Xi'an , 710062 , China . .,Department of Chemistry , University of Liverpool , Liverpool , L69 7ZD , UK .
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30
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Obora Y. C-Alkylation by Hydrogen Autotransfer Reactions. Top Curr Chem (Cham) 2016; 374:11. [PMID: 27573136 DOI: 10.1007/s41061-016-0012-8] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2015] [Accepted: 02/11/2016] [Indexed: 01/04/2023]
Abstract
The development of practical, efficient, and atom-economical methods for the formation of carbon-carbon bonds remains a topic of considerable interest in current synthetic organic chemistry. In this review, we have summarized selected topics from the recent literature with particular emphasis on C-alkylation processes involving hydrogen transfer using alcohols as alkylation reagents. This review includes selected highlights concerning recent progress towards the modification of catalytic systems for the α-alkylation of ketones, nitriles, and esters. Furthermore, we have devoted a significant portion of this review to the methylation of ketones, alcohols, and indoles using methanol. Lastly, we have also documented recent advances in β-alkylation methods involving the dimerization of alcohols (Guerbet reaction), as well as new developments in C-alkylation methods based on sp (3) C-H activation.
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Affiliation(s)
- Yasushi Obora
- Department of Chemistry and Materials Engineering, Faculty of Chemistry, Materials and Bioengineering, Kansai University, Suita, Osaka, 564-8680, Japan.
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31
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Xu J, Yue H, Liu S, Wang H, Du Y, Xu C, Dong W, Liu C. Cu–Ag/hydrotalcite catalysts for dehydrogenative cross-coupling of primary and secondary benzylic alcohols. RSC Adv 2016. [DOI: 10.1039/c5ra22542f] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The development of new and inexpensive heterogeneous catalysts for direct C–C cross-coupling of primary and secondary alcohols is a challenging goal and has great importance in academic and industrial sectors.
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Affiliation(s)
- Jin Xu
- Key Laboratory of Applied Surface and Colloid Chemistry (Shaanxi Normal University)
- Ministry of Education
- Xi'an 710119
- PR China
- School of Chemistry and Chemical Engineering
| | - Hongmei Yue
- Key Laboratory of Applied Surface and Colloid Chemistry (Shaanxi Normal University)
- Ministry of Education
- Xi'an 710119
- PR China
- School of Chemistry and Chemical Engineering
| | - Sheng Liu
- Key Laboratory of Applied Surface and Colloid Chemistry (Shaanxi Normal University)
- Ministry of Education
- Xi'an 710119
- PR China
- School of Chemistry and Chemical Engineering
| | - Hanfei Wang
- Key Laboratory of Applied Surface and Colloid Chemistry (Shaanxi Normal University)
- Ministry of Education
- Xi'an 710119
- PR China
- School of Chemistry and Chemical Engineering
| | - Yuqun Du
- Key Laboratory of Applied Surface and Colloid Chemistry (Shaanxi Normal University)
- Ministry of Education
- Xi'an 710119
- PR China
- School of Chemistry and Chemical Engineering
| | - Chunli Xu
- Key Laboratory of Applied Surface and Colloid Chemistry (Shaanxi Normal University)
- Ministry of Education
- Xi'an 710119
- PR China
- School of Chemistry and Chemical Engineering
| | - Wensheng Dong
- Key Laboratory of Applied Surface and Colloid Chemistry (Shaanxi Normal University)
- Ministry of Education
- Xi'an 710119
- PR China
- School of Chemistry and Chemical Engineering
| | - Chunling Liu
- Key Laboratory of Applied Surface and Colloid Chemistry (Shaanxi Normal University)
- Ministry of Education
- Xi'an 710119
- PR China
- School of Chemistry and Chemical Engineering
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32
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Takada Y, Iida M, Iida K, Miura T, Saito S. Versatile Ruthenium Complex “RuPCY” for Directed Catalytic Hydrogen Management in Organic Synthesis. J SYN ORG CHEM JPN 2016. [DOI: 10.5059/yukigoseikyokaishi.74.1078] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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33
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Chakrabarti K, Paul B, Maji M, Roy BC, Shee S, Kundu S. Bifunctional Ru(ii) complex catalysed carbon–carbon bond formation: an eco-friendly hydrogen borrowing strategy. Org Biomol Chem 2016; 14:10988-10997. [DOI: 10.1039/c6ob02010k] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Bifunctional Ru(ii) complex (0.1 mol%) catalysed one-pot β-alkylation of secondary alcohols with primary alcohols and double alkylation of cyclopentanol were carried out successfully following the atom economical borrowing hydrogen methodology.
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Affiliation(s)
- Kaushik Chakrabarti
- Department of Chemistry
- Indian Institute of Technology Kanpur
- Kanpur 208016
- India
| | - Bhaskar Paul
- Department of Chemistry
- Indian Institute of Technology Kanpur
- Kanpur 208016
- India
| | - Milan Maji
- Department of Chemistry
- Indian Institute of Technology Kanpur
- Kanpur 208016
- India
| | - Bivas Chandra Roy
- Department of Chemistry
- Indian Institute of Technology Kanpur
- Kanpur 208016
- India
| | - Sujan Shee
- Department of Chemistry
- Indian Institute of Technology Kanpur
- Kanpur 208016
- India
| | - Sabuj Kundu
- Department of Chemistry
- Indian Institute of Technology Kanpur
- Kanpur 208016
- India
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34
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Huang F, Liu Z, Yu Z. C-Alkylierung von Ketonen und verwandten Verbindungen durch Alkohole: übergangsmetallkatalysierte Dehydrierung. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201507521] [Citation(s) in RCA: 80] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Fei Huang
- Dalian Institute of Chemical Physics; Chinese Academy of Sciences (CAS); 457 Zhongshan Road, Dalian Liaoning 116023 China
| | - Zhuqing Liu
- Dalian Institute of Chemical Physics; Chinese Academy of Sciences (CAS); 457 Zhongshan Road, Dalian Liaoning 116023 China
| | - Zhengkun Yu
- Dalian Institute of Chemical Physics; Chinese Academy of Sciences (CAS); 457 Zhongshan Road, Dalian Liaoning 116023 China
- State Key Laboratory of Organometallic Chemistry; Shanghai Institute of Organic Chemistry, CAS; Shanghai 200032 China
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35
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Huang F, Liu Z, Yu Z. C-Alkylation of Ketones and Related Compounds by Alcohols: Transition-Metal-Catalyzed Dehydrogenation. Angew Chem Int Ed Engl 2015; 55:862-75. [DOI: 10.1002/anie.201507521] [Citation(s) in RCA: 308] [Impact Index Per Article: 34.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2015] [Indexed: 12/12/2022]
Affiliation(s)
- Fei Huang
- Dalian Institute of Chemical Physics; Chinese Academy of Sciences (CAS); 457 Zhongshan Road, Dalian Liaoning 116023 China
| | - Zhuqing Liu
- Dalian Institute of Chemical Physics; Chinese Academy of Sciences (CAS); 457 Zhongshan Road, Dalian Liaoning 116023 China
| | - Zhengkun Yu
- Dalian Institute of Chemical Physics; Chinese Academy of Sciences (CAS); 457 Zhongshan Road, Dalian Liaoning 116023 China
- State Key Laboratory of Organometallic Chemistry; Shanghai Institute of Organic Chemistry, CAS; Shanghai 200032 China
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36
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Oxidation and β-Alkylation of Alcohols Catalysed by Iridium(I) Complexes with Functionalised N-Heterocyclic Carbene Ligands. Chemistry 2015; 21:17877-89. [DOI: 10.1002/chem.201502910] [Citation(s) in RCA: 90] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2015] [Indexed: 11/07/2022]
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37
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38
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Shan SP, Xiaoke X, Gnanaprakasam B, Dang TT, Ramalingam B, Huynh HV, Seayad AM. Benzimidazolin-2-ylidene N-heterocyclic carbene complexes of ruthenium as a simple catalyst for the N-alkylation of amines using alcohols and diols. RSC Adv 2015. [DOI: 10.1039/c4ra15398g] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Simple non-chelating ruthenium benzimidazolin-2-ylidene complexes as efficient N-alkylation catalysts using alcohols and diols following a hydrogen borrowing strategy.
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Affiliation(s)
- Siah Pei Shan
- Institute of Chemical and Engineering Sciences
- Singapore
| | - Xie Xiaoke
- Department of Chemistry
- National University of Singapore
- Singapore
| | | | | | | | - Han Vinh Huynh
- Department of Chemistry
- National University of Singapore
- Singapore
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39
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40
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Zhu XH, Cai LH, Wang CX, Wang YN, Guo XQ, Hou XF. Efficient and versatile transfer hydrogenation catalysts: Iridium (III) and ruthenium (II) complexes with 4-acetylbenzyl-N-heterocyclic carbenes. ACTA ACUST UNITED AC 2014. [DOI: 10.1016/j.molcata.2014.06.004] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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41
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Ruch S, Irrgang T, Kempe R. New iridium catalysts for the selective alkylation of amines by alcohols under mild conditions and for the synthesis of quinolines by acceptor-less dehydrogenative condensation. Chemistry 2014; 20:13279-85. [PMID: 25186522 DOI: 10.1002/chem.201402952] [Citation(s) in RCA: 140] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2014] [Indexed: 02/03/2023]
Abstract
A novel family of iridium catalysts stabilised by P,N-ligands have been introduced. The ligands are based on imidazo[1,5-b]pyridazin-7-amines and can be synthesised with a broad variety of substitution patterns. The catalysts were synthesised quantitatively from the protonated ligands and a commercially available iridium precursor. The catalysts mediate the alkylation of amines by alcohols under mild conditions (70 °C). In addition, the synthesis of quinolines from secondary or primary alcohols and amino alcohols is reported. This sustainable synthesis proceeds through the liberation of two equivalents of water and two equivalents of dihydrogen. The investigations indicate that catalysts suitable for hydrogen autotransfer or borrowing hydrogen chemistry might also be suitable for acceptor-less dehydrogenative condensation reactions.
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Affiliation(s)
- Susanne Ruch
- Lehrstuhl Anorganische Chemie II (Catalyst Design), Universität Bayreuth, Universitätsstrasse 30, NW I, 95440 Bayreuth (Germany), Fax: (+49) 921552157
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42
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Rasero-Almansa AM, Corma A, Iglesias M, Sánchez F. Design of a Bifunctional Ir-Zr Based Metal-Organic Framework Heterogeneous Catalyst for the N-Alkylation of Amines with Alcohols. ChemCatChem 2014. [DOI: 10.1002/cctc.201402101] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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43
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Chaudhari C, Siddiki SMAH, Shimizu KI. Self-Coupling of Secondary Alcohols and α-Alkylation of Methyl Ketones with Secondary Alcohols by Pt/CeO2 Catalyst. Top Catal 2014. [DOI: 10.1007/s11244-014-0268-6] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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44
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Dang TT, Ramalingam B, Shan SP, Seayad AM. An Efficient Palladium-Catalyzed N-Alkylation of Amines Using Primary and Secondary Alcohols. ACS Catal 2013. [DOI: 10.1021/cs400799n] [Citation(s) in RCA: 110] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Tuan Thanh Dang
- Organic Chemistry, Institute of Chemical and Engineering Sciences, 8 Biomedical Grove, #07-01 Neuros, Singapore 138665
| | - Balamurugan Ramalingam
- Organic Chemistry, Institute of Chemical and Engineering Sciences, 8 Biomedical Grove, #07-01 Neuros, Singapore 138665
| | - Siah Pei Shan
- Organic Chemistry, Institute of Chemical and Engineering Sciences, 8 Biomedical Grove, #07-01 Neuros, Singapore 138665
| | - Abdul Majeed Seayad
- Organic Chemistry, Institute of Chemical and Engineering Sciences, 8 Biomedical Grove, #07-01 Neuros, Singapore 138665
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45
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Musa S, Ackermann L, Gelman D. Dehydrogenative Cross-Coupling of Primary and Secondary Alcohols. Adv Synth Catal 2013. [DOI: 10.1002/adsc.201300656] [Citation(s) in RCA: 75] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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46
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Makarov IS, Madsen R. Ruthenium-catalyzed self-coupling of primary and secondary alcohols with the liberation of dihydrogen. J Org Chem 2013; 78:6593-8. [PMID: 23725014 DOI: 10.1021/jo4008699] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The dehydrogenative self-condensation of primary and secondary alcohols has been studied in the presence of RuCl2(IiPr)(p-cymene). The conversion of primary alcohols into esters has been further optimized by using magnesium nitride as an additive, which allows the reaction to take place at a temperature and catalyst loading lower than those described previously. Secondary alcohols were dimerized into racemic ketones by a dehydrogenative Guerbet reaction with potassium hydroxide as the additive. The transformation gave good yields of the ketone dimers with a range of alkan-2-ols, whereas more substituted secondary alcohols were unreactive. The reaction proceeds by dehydrogenation to the ketone, followed by an aldol reaction and hydrogenation of the resulting enone.
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Affiliation(s)
- Ilya S Makarov
- Department of Chemistry, Technical University of Denmark, DK 2800 Lyngby, Denmark
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47
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Tris(acetylacetonato)rhodium(III)-Catalyzed α-Alkylation of Ketones, β-Alkylation of Secondary Alcohols and Alkylation of Amines with Primary Alcohols. Adv Synth Catal 2013. [DOI: 10.1002/adsc.201300061] [Citation(s) in RCA: 82] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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48
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Liu X, Ding RS, He L, Liu YM, Cao Y, He HY, Fan KN. C-C cross-coupling of primary and secondary benzylic alcohols using supported gold-based bimetallic catalysts. CHEMSUSCHEM 2013; 6:604-608. [PMID: 23532948 DOI: 10.1002/cssc.201200804] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2012] [Indexed: 06/02/2023]
Abstract
Clean alcohol-alcohol cross-coupling: A clean and efficient one-pot direct C-C cross-coupling of equimolar amounts of primary and secondary alcohols by a facile hydrogen autotransfer pathway is achieved over a robust and easily recovered hydrotalcite-supported Au-Pd bimetallic catalyst system. A variety of primary and secondary alcohols have been selectively converted into the corresponding β-alkylated ketones in good yields.
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Affiliation(s)
- Xiang Liu
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Handan Road 220, Shanghai 200433, PR China
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49
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Wang D, Guo XQ, Wang CX, Wang YN, Zhong R, Zhu XH, Cai LH, Gao ZW, Hou XF. An Efficient and Recyclable Catalyst for N-Alkylation of Amines and β-Alkylation of Secondary Alcohols with Primary Alcohols: SBA-15 Supported N-Heterocyclic Carbene Iridium Complex. Adv Synth Catal 2013. [DOI: 10.1002/adsc.201200732] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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50
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Iida K, Miura T, Ando J, Saito S. The Dual Role of Ruthenium and Alkali Base Catalysts in Enabling a Conceptually New Shortcut to N-Unsubstituted Pyrroles through Unmasked α-Amino Aldehydes. Org Lett 2013; 15:1436-9. [DOI: 10.1021/ol4001262] [Citation(s) in RCA: 111] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Kazuki Iida
- Graduate School of Science, Nagoya University, Chikusa, Nagoya 464-8602, Japan, and Institute for Advanced Research, Nagoya University, Chikusa, Nagoya 464-8601, Japan
| | - Takashi Miura
- Graduate School of Science, Nagoya University, Chikusa, Nagoya 464-8602, Japan, and Institute for Advanced Research, Nagoya University, Chikusa, Nagoya 464-8601, Japan
| | - Junki Ando
- Graduate School of Science, Nagoya University, Chikusa, Nagoya 464-8602, Japan, and Institute for Advanced Research, Nagoya University, Chikusa, Nagoya 464-8601, Japan
| | - Susumu Saito
- Graduate School of Science, Nagoya University, Chikusa, Nagoya 464-8602, Japan, and Institute for Advanced Research, Nagoya University, Chikusa, Nagoya 464-8601, Japan
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