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Li J, Mao A, Hu X, Wang L, Wang D, Duan ZC. Preparation of a novel cadmium-containing coordination polymer and catalytic application in the synthesis of N-alkylated aminoquinoline derivatives via the borrowing hydrogen approach. Dalton Trans 2024; 53:5064-5072. [PMID: 38375833 DOI: 10.1039/d3dt04221a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2024]
Abstract
Herein, we report an efficient and straightforward approach for the synthesis of N-alkylated aminoquinoline derivatives by recyclable Cd-containing coordination polymer-catalyzed reactions of aminoquinolines with primary alcohols via the borrowing hydrogen strategy. In this work, a new type of coordination polymer [Cd(CIA)(phen)2(H2O)]n was successfully designed and fabricated. The molecular structure was corroborated by single-crystal X-ray diffraction and fully characterized by PXRD, FT-IR, TGA, and XPS. Importantly, this polymer revealed high catalytic activity for the N-alkylation reaction of 2-aminoquinoline and 8-aminoquinoline with inexpensive and low-toxicity alcohols as alkylating agents in excellent yields up to 95%. Interestingly, the present synthetic protocol was successfully applied for the gram-level synthesis of several biologically active compounds. In addition, several control reactions were carried out to investigate the possible mechanisms of this transformation. Finally, recycling experiments indicated that the cadmium coordination polymer showed good recovery performance for borrowing hydrogen reactions.
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Affiliation(s)
- Jiahao Li
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, PR China.
| | - Anruo Mao
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, PR China.
- Department of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, UK
| | - Xinyu Hu
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, PR China.
| | - Likui Wang
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, PR China.
| | - Dawei Wang
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, PR China.
| | - Zheng-Chao Duan
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, PR China.
- School of Chemical and Environmental Engineering, Hubei Minzu University, Enshi 445000, PR China
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2
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Mocci R, Atzori L, Baratta W, De Luca L, Porcheddu A. N-Alkylation of aromatic amines with alcohols by using a commercially available Ru complex under mild conditions. RSC Adv 2023; 13:34847-34851. [PMID: 38035248 PMCID: PMC10688395 DOI: 10.1039/d3ra06751c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Accepted: 11/09/2023] [Indexed: 12/02/2023] Open
Abstract
An N-alkylation procedure has been developed under very mild conditions using a known commercially available Ru-based catalyst. As a result, a wide range of aromatic primary amines has been selectively alkylated with several primary alcohols, yielding the corresponding secondary amines in high yields. The methodology also enables the methylation of anilines in refluxing methanol and the preparation of a set of heterocycles in a straightforward way.
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Affiliation(s)
- Rita Mocci
- Dipartimento di Scienze Chimiche e Geologiche, Università degli Studi di Cagliari, Cittadella Universitaria S.S. 554 bivio per Sestu 09042 Monserrato (CA) Italy
| | - Luciano Atzori
- Dipartimento di Scienze Chimiche e Geologiche, Università degli Studi di Cagliari, Cittadella Universitaria S.S. 554 bivio per Sestu 09042 Monserrato (CA) Italy
| | - Walter Baratta
- Dipartimento di Scienze Agroalimentari, Ambientali e Animali, Università degli Studi di Udine via delle Scienze 206 33100 Udine Italy
| | - Lidia De Luca
- Dipartimento di Scienze Chimiche, FIsiche, Matematiche e Naturali, Università degli Studi di Sassari via Vienna 2 07100 Sassari Italy
| | - Andrea Porcheddu
- Dipartimento di Scienze Chimiche e Geologiche, Università degli Studi di Cagliari, Cittadella Universitaria S.S. 554 bivio per Sestu 09042 Monserrato (CA) Italy
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3
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NAWAZ Z, GÜRBÜZ N, ZAFAR MN, ÖZDEMIR N, ÇETİNKAYA B, ÖZDEMİR İ. Benzimidazol-2-ylidene ruthenium complexes for C-N bond formation through alcohol dehydrogenation. Turk J Chem 2023; 47:1209-1223. [PMID: 38173746 PMCID: PMC10760900 DOI: 10.55730/1300-0527.3606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 10/31/2023] [Accepted: 09/30/2023] [Indexed: 01/05/2024] Open
Abstract
A low temperature hydrogen borrowing approach to generate secondary amines using benzimidazole-based N-heterocyclic carbene (BNHC) ruthenium complexes is reported. A series of the piano-stool complexes of the type [(η6-p-cymene)(BNHC)RuCl2] (1a-g) were synthesized via one-pot reaction of the NHC salt precursor, Ag2O, and [RuCl2(p-cymene)]2 and characterized using conventional spectroscopic techniques. The geometry of two precursors, [(η6-p-cymene)(Me4BnMe2BNHCCH2OxMe)RuCl2] (1f) and [(η6-p-cymene)(Me5BnMe2BNHCCH2OxMe)RuCl2] (1g), was studied by single crystal X-ray diffraction. These catalysts were found to dehydrogenate alcohols efficiently at temperatures as low as 50 °C to allow Schiff-base condensation and subsequent imine hydrogenation to afford secondary amines. Notably, this ruthenium-based procedure enables the N-alkylation of aromatic and heteroaromatic primary amines with a wide range of primary alcohols in excellent yields of up to 98%. The present methodology is green and water is liberated as the sole byproduct.
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Affiliation(s)
- Zahid NAWAZ
- Department of Chemistry, Quaid-i-Azam University, Islamabad,
Pakistan
- Catalysis Research and Application Center, İnönü University, Malatya,
Turkiye
| | - Nevin GÜRBÜZ
- Catalysis Research and Application Center, İnönü University, Malatya,
Turkiye
- Department of Chemistry, Faculty of Science and Arts, İnönü University, Malatya,
Turkiye
- Drug Application and Research Center, İnönü University, Malatya,
Turkiye
| | | | - Namık ÖZDEMIR
- Department of Mathematics and Science Education, Faculty of Education, Ondokuz Mayıs University, Samsun,
Turkiye
| | - Bekir ÇETİNKAYA
- Department of Chemistry, Faculty of Science, Ege University, İzmir,
Turkiye
| | - İsmail ÖZDEMİR
- Catalysis Research and Application Center, İnönü University, Malatya,
Turkiye
- Department of Chemistry, Faculty of Science and Arts, İnönü University, Malatya,
Turkiye
- Drug Application and Research Center, İnönü University, Malatya,
Turkiye
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4
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Ke Z, Wang Y, Zhao Y, Tang M, Zeng W, Wang Y, Chang X, Han B, Liu Z. Ionic-Liquid Hydrogen-Bonding Promoted Alcohols Amination over Cobalt Catalyst via Dihydrogen Autotransfer Mechanism. CHEMSUSCHEM 2023; 16:e202300513. [PMID: 37191041 DOI: 10.1002/cssc.202300513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 05/15/2023] [Accepted: 05/16/2023] [Indexed: 05/17/2023]
Abstract
Higher amines are important high-valuable chemicals with wide applications, and amination of alcohols is a green route to them, which however generally suffers from harsh reaction conditions and use of equivalent base. Herein, we report an ionic-liquid (IL) hydrogen-bonding promoted dihydrogen autotransfer strategy for amination of alcohols to higher amines over cobalt catalyst under base-free conditions. Co(BF4 )2 ⋅ 6 H2 O complexed with triphos and IL (e. g., tetrabutylphosphonium tetrafluoroborate, [P4444 ][BF4 ]) shows high performances for the reaction and is tolerant of a wide scope of amines and alcohols, affording higher amines in good to excellent yields. Mechanism investigation indicates that the [BF4 ]- anion activates the alcohol via hydrogen bonding, promoting transfer of both hydroxyl H and α-H atoms of alcohol to the cobalt catalyst to form an aldehyde intermediate and cobalt dihydride complex, which are involved in the subsequent reductive amination. This strategy provides a green and effective route for alcohol amination, which may have promising applications in alcohol-involved alkylation reactions.
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Affiliation(s)
- Zhengang Ke
- Institute of Chemistry, Chinese Academy of Sciences, No. 2, Zhongguancun Beiyijie, Beijing, 100190, China
- Key Laboratory for Green Processing of Chemical Engineering of Xinjiang Bingtuan, School of Chemistry and Chemical Engineering, Shihezi University, Shihezi, China
| | - Yuepeng Wang
- Institute of Chemistry, Chinese Academy of Sciences, No. 2, Zhongguancun Beiyijie, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yanfei Zhao
- Institute of Chemistry, Chinese Academy of Sciences, No. 2, Zhongguancun Beiyijie, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Minhao Tang
- Institute of Chemistry, Chinese Academy of Sciences, No. 2, Zhongguancun Beiyijie, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Wei Zeng
- Institute of Chemistry, Chinese Academy of Sciences, No. 2, Zhongguancun Beiyijie, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Ying Wang
- Institute of Chemistry, Chinese Academy of Sciences, No. 2, Zhongguancun Beiyijie, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xiaoqian Chang
- Institute of Chemistry, Chinese Academy of Sciences, No. 2, Zhongguancun Beiyijie, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Buxing Han
- Institute of Chemistry, Chinese Academy of Sciences, No. 2, Zhongguancun Beiyijie, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Zhimin Liu
- Institute of Chemistry, Chinese Academy of Sciences, No. 2, Zhongguancun Beiyijie, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
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5
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Donthireddy SNR, Siddique M, Rit A. N-Heterocyclic Carbene-Supported Nickel-Catalyzed Selective (Un)Symmetrical N-Alkylation of Aromatic Diamines with Alcohols. J Org Chem 2023; 88:1135-1146. [PMID: 36603160 DOI: 10.1021/acs.joc.2c02639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The "borrowing hydrogen" (BH) approach for the N-alkylation of phenylenediamines using alcohols as coupling partners is highly challenging due to the selectivity issue of the generated products. Furthermore, the development of base-metal systems that can potentially substitute precious metals with competitive activity is a major challenge in BH catalysis. We present herein an efficient protocol for the N,N'-di-alkylation of aromatic diamines using an in situ-generated Ni-NHC complex from NiCl2 and the ligand L1, which gave access to a wide range of N,N'-di-alkylated orthophenylene diamines (rather than the generally observed benzimidazole derivatives), meta- and para-phenylene diamines along with 2,6-diamino pyridine derivatives in good to excellent yields. Moreover, the catalyst system was also successful in the derivatization of a clinically important drug molecule, Dapsone. Notably, the present protocol could be applied effectively to synthesize unsymmetrically substituted N,N'-di-alkylated diamines via sequential alkylation and is the first report in the base-metal system to the best of our knowledge. Diverse control experiments including the deuterium incorporation studies suggest that the present protocol proceeds via a BH sequence.
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Affiliation(s)
- S N R Donthireddy
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, India
| | - Misba Siddique
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, India
| | - Arnab Rit
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, India
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6
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Li X, Peters BBC, Tan M, He L, Yang J, Andersson PG, ZHOU TAIGANG. Mono‐N‐Alkylation of Sulfonamides with Alcohols Catalyzed by Iridium N‐Heterocyclic Carbene‐Phosphine Complexes. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200178] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Xingzhen Li
- SWPU: Southwest Petroleum University College of Chemistry and Chemical Engineering CHINA
| | - Bram B. C. Peters
- Stockholm University: Stockholms Universitet Department of Organic Chemistry SWEDEN
| | - Min Tan
- SWPU: Southwest Petroleum University College of Chemistry and Chemical Engineering CHINA
| | - Lei He
- SWPU: Southwest Petroleum University College of Chemistry and Chemical Engineering CHINA
| | - Jianping Yang
- Stockholm University: Stockholms Universitet Department of Organic Chemistry CHINA
| | - Pher G Andersson
- Stockholm University: Stockholms Universitet Department of Organic Chemistry SWEDEN
| | - TAIGANG ZHOU
- Southwest Petroleum University College of Chemistry and Chemical Engineering Xindu Rd. 8 610500 Chengdu CHINA
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7
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Donthireddy SNR, Singh VK, Rit A. A heteroditopic NHC and phosphine ligand supported ruthenium( ii)-complex: an effective catalyst for the N-alkylation of amides using alcohols. Catal Sci Technol 2022. [DOI: 10.1039/d2cy00544a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A heteroditopic Ru(ii)-bis-NHC complex in combination with dppe was developed as an effective catalyst system (0.2 mol% loading) for the N-alkylation of amides and selective mono-/di-alkylation of 4-aminobenzamide derivatives in excellent yields.
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Affiliation(s)
- S. N. R. Donthireddy
- Department of Chemistry, Indian Institute of Technology Madras, Chennai- 600036, India
| | - Vivek Kumar Singh
- Department of Chemistry, Indian Institute of Technology Madras, Chennai- 600036, India
| | - Arnab Rit
- Department of Chemistry, Indian Institute of Technology Madras, Chennai- 600036, India
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