1
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Meinert H, Oehlschläger F, Cziegler C, Rockstroh J, Marzuoli I, Bisagni S, Lalk M, Bayer T, Iding H, Bornscheuer UT. Efficient Enzymatic Synthesis of Carbamates in Water Using Promiscuous Esterases/Acyltransferases. Angew Chem Int Ed Engl 2024; 63:e202405152. [PMID: 38739413 DOI: 10.1002/anie.202405152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 05/07/2024] [Accepted: 05/10/2024] [Indexed: 05/14/2024]
Abstract
Biocatalysis provides an attractive approach to facilitate synthetic reactions in aqueous media. Motivated by the discovery of promiscuous aminolysis activity of esterases, we exploited the esterase from Pyrobaculum calidifontis VA1 (PestE) for the synthesis of carbamates from different aliphatic, aromatic, and arylaliphatic amines and a set of carbonates such as dimethyl-, dibenzyl-, or diallyl carbonate. Thus, aniline and benzylamine derivatives, aliphatic and even secondary amines could be efficiently converted into the corresponding benzyloxycarbonyl (Cbz)- or allyloxycarbonyl (Alloc)-protected products in bulk water, with (isolated) yields of up to 99 %.
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Affiliation(s)
- Hannes Meinert
- Dept. of Biotechnology & Enzyme Catalysis, Institute of Biochemistry, University of Greifswald, Felix-Hausdorff-Str. 4, 17487, Greifswald, Germany
| | - Florian Oehlschläger
- Dept. of Biotechnology & Enzyme Catalysis, Institute of Biochemistry, University of Greifswald, Felix-Hausdorff-Str. 4, 17487, Greifswald, Germany
| | - Clemens Cziegler
- Dept. of Biotechnology & Enzyme Catalysis, Institute of Biochemistry, University of Greifswald, Felix-Hausdorff-Str. 4, 17487, Greifswald, Germany
| | - Jan Rockstroh
- Dept. of Cellular Biochemistry and Metabolomics, Institute of Biochemistry, University of Greifswald, Felix-Hausdorff-Str. 4, 17487, Greifswald, Germany
| | - Irene Marzuoli
- Process Chemistry & Catalysis, F. Hoffmann-La Roche Ltd., Grenzacher Str. 124, 4070, Basel, Switzerland
| | - Serena Bisagni
- Process Chemistry & Catalysis, F. Hoffmann-La Roche Ltd., Grenzacher Str. 124, 4070, Basel, Switzerland
| | - Michael Lalk
- Dept. of Cellular Biochemistry and Metabolomics, Institute of Biochemistry, University of Greifswald, Felix-Hausdorff-Str. 4, 17487, Greifswald, Germany
| | - Thomas Bayer
- Dept. of Biotechnology & Enzyme Catalysis, Institute of Biochemistry, University of Greifswald, Felix-Hausdorff-Str. 4, 17487, Greifswald, Germany
| | - Hans Iding
- Process Chemistry & Catalysis, F. Hoffmann-La Roche Ltd., Grenzacher Str. 124, 4070, Basel, Switzerland
| | - Uwe T Bornscheuer
- Dept. of Biotechnology & Enzyme Catalysis, Institute of Biochemistry, University of Greifswald, Felix-Hausdorff-Str. 4, 17487, Greifswald, Germany
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2
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Wei L, Guo Y, Li Z, Jiang H, Qi C. Silver-Catalyzed Coupling of Ethynylbenziodoxolones with CO 2 and Amines to Afford O-β-Oxoalkyl Carbamates. Org Lett 2024. [PMID: 38780900 DOI: 10.1021/acs.orglett.4c01147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/25/2024]
Abstract
A novel three-component coupling reaction of ethynylbenziodoxolones (EBXs) with CO2 and amines has been achieved via silver catalysis, thereby providing an efficient method for the construction of a range of structurally diverse and valuable O-β-oxoalkyl carbamates. The transformation proceeds under mild reaction conditions and exhibits a wide substrate scope and good functional group compatibility. In addition, this strategy could be extended to the synthesis of α-acyloxyketones using carboxylic acids as the nucleophiles to react with EBXs.
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Affiliation(s)
- Li Wei
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, P. R. China
| | - Yanhui Guo
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, P. R. China
| | - Ziyang Li
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, P. R. China
| | - Huanfeng Jiang
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, P. R. China
| | - Chaorong Qi
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, P. R. China
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3
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Fonseca-López D, Ezenarro-Salcedo D, Zapata-Rivera J, Rojas RS, Hurtado JJ. Salophen-type Organocatalysts for the Cycloaddition of CO 2 and Epoxides under Solvent, Halide, and Metal-Free Conditions. ACS OMEGA 2024; 9:19385-19394. [PMID: 38708211 PMCID: PMC11064168 DOI: 10.1021/acsomega.4c00530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 02/23/2024] [Accepted: 03/26/2024] [Indexed: 05/07/2024]
Abstract
8-Formyl-7-hydroxycoumarin (A) and their derived salophen-type organocatalysts L1, L2, and L3 were used for the synthesis of cyclic carbonates from carbon dioxide (CO2) and epoxides under solvent-, halide-, and metal-free conditions. According to previous optimization tests, L1 and L2 had the best catalytic activity presenting 89 and 92% conversion toward the synthesis of 3-chloropropylene carbonate (2c) using 8 bar CO2, 100 °C at 9 h. Therefore, they were used as organocatalysts to complete the catalytic screening with 11 terminal epoxides (1a-k) exhibiting the highest TOF values of 20 and 22 h-1 using 1c and 1b, respectively. Similarly, they were tested with an internal epoxide, such as cyclohexene oxide (1l) exhibiting 72% conversion, becoming the first salophen organocatalyst to obtain cis-cyclohexane carbonate (2l) in the absence of a cocatalyst. In addition, a reaction mechanism was proposed for the formation of cyclic carbonates based on experimental data and computational techniques; these contributed in establishing a probable role of CO2 pressure along the catalysis and the hydrogen bonds that favor the stabilization of the different intermediates of the reaction.
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Affiliation(s)
- Daniela Fonseca-López
- Laboratorio
de Química Inorgánica, Catálisis y Bioinorgánica.
Departamento de Química, Facultad de Ciencias, Universidad de los Andes, Bogotá 111711, Colombia
| | - David Ezenarro-Salcedo
- Laboratorio
de Química Inorgánica, Catálisis y Bioinorgánica.
Departamento de Química, Facultad de Ciencias, Universidad de los Andes, Bogotá 111711, Colombia
| | - Jhon Zapata-Rivera
- Departamento
de Química, Facultad de Ciencias Naturales y Exactas, Universidad del Valle, Cali 760042, Colombia
| | - René S. Rojas
- Laboratorio
de Química Inorgánica, Facultad de Química y
de Farmacia, Pontificia Universidad Católica
de Chile, Santiago 6094411, Chile
| | - John J. Hurtado
- Laboratorio
de Química Inorgánica, Catálisis y Bioinorgánica.
Departamento de Química, Facultad de Ciencias, Universidad de los Andes, Bogotá 111711, Colombia
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4
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Guo Z, Ding X, Wang Y. How To Get Isocyanate? ACS OMEGA 2024; 9:11168-11180. [PMID: 38496933 PMCID: PMC10938423 DOI: 10.1021/acsomega.3c10069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Revised: 02/11/2024] [Accepted: 02/14/2024] [Indexed: 03/19/2024]
Abstract
Isocyanate, a pivotal chemical intermediate to synthesize polyurethane with widespread applications in household appliances, automobiles, and construction, is predominantly produced via the phosgene process, which currently holds a paramount status in industrial isocyanate production. Nonetheless, concerns arise from the toxicity of phosgene and the corrosiveness of hydrogen chloride, posing safety hazards. The synthesis of isocyanate using nonphosgene methods represents a promising avenue for future development. This article primarily focuses on the nonphosgene approach, which involves the formation of carbamate through the reaction of nitro-amino compounds with carbon monoxide, dimethyl carbonate, and urea, among other reagents, subsequently leading to the thermal decomposition of carbamate to get isocyanate. This paper emphasizes the progress in catalyst development during the carbamate decomposition process. Single-component metal catalysts, particularly zinc, exhibit advantages such as high activity, cost-effectiveness, and compatibility with a wide range of substrates. Composite catalysts enhance isocyanate yield by introducing a second component to adjust the active metal composition. The central research direction aims to optimize catalyst adaptation to reaction conditions, including temperature, pressure, time, and solvent, to achieve high raw material conversion and product yield.
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Affiliation(s)
- Zhuhua Guo
- School of Chemical Engineering
and Technology, Hebei University of Technology, Tianjin 300401, PR China
| | - Xiaoshu Ding
- School of Chemical Engineering
and Technology, Hebei University of Technology, Tianjin 300401, PR China
| | - Yanji Wang
- School of Chemical Engineering
and Technology, Hebei University of Technology, Tianjin 300401, PR China
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5
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Chen F, Li Z, Jiang Y, Li Z, Zeng R, Zhong Z, Li MD, Zhang JZ, Luo B. Photocatalytic CO 2 Reduction Coupled with Oxidation of Benzyl Alcohol over CsPbBr 3@PANI Nanocomposites. J Phys Chem Lett 2023:11008-11014. [PMID: 38047753 DOI: 10.1021/acs.jpclett.3c02766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2023]
Abstract
Herein, we successfully prepare conductive polyaniline (PANI)-encapsulated CsPbBr3 perovskite nanocrystals (PNCs) that demonstrate much improved photocatalytic performance and stability toward the CO2 reduction reaction (CRR) coupled with oxidation of benzyl alcohol (BA) to benzaldehyde. Due to the acid-base interaction between CO2 and PANI, CO2 molecules are selectively adsorbed on PANI in the form of carbamate. As a result, the rate of production of CO (rCO) reaches 26.1 μmol g-1 h-1 with a selectivity of 98.1%, which is in good agreement with the rate of oxidation (∼27.0 μmol g-1 h-1) of BA. Such a high reduction/oxidation rate is enabled by the fast electron transfer (∼2.2 ps) from PNCs to PANI, as revealed by femtosecond transient absorption spectroscopy. Moreover, because of the benefit of the encapsulation of PANI, no significant decrease in rCO is observed in a 10 h CRR test. This work offers insight into how to simultaneously achieve improved photocatalytic performance and stability of CsPbX3 PNCs.
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Affiliation(s)
- Fuwei Chen
- Department of Chemistry and Chemical Engineering, Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou 515063, P. R. China
| | - Ziquan Li
- Department of Chemistry and Chemical Engineering, Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou 515063, P. R. China
| | - Yueming Jiang
- Department of Chemistry and Chemical Engineering, Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou 515063, P. R. China
| | - Zhen Li
- Department of Chemistry and Chemical Engineering, Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou 515063, P. R. China
| | - Ruosheng Zeng
- School of Physical Science and Technology, State Key Laboratory of Featured Metal Materials and Life-cycle Safety for Composite Structures, Guangxi University, Nanning 530004, P. R. China
| | - Ziyi Zhong
- Department of Chemical Engineering, Guangdong Technion-Israel Institute of Technology (GTIIT), Shantou 515063, P. R. China
- Technion-Israel Institute of Technology (IIT), Haifa 32000, Israel
| | - Ming-De Li
- Department of Chemistry and Chemical Engineering, Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou 515063, P. R. China
| | - Jin Z Zhang
- Department of Chemistry and Biochemistry, University of California, Santa Cruz, California 95064, United States
| | - Binbin Luo
- Department of Chemistry and Chemical Engineering, Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province, Shantou University, Shantou 515063, P. R. China
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6
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Fan L, He M, Liu X, He F, Wu L, Yang G, Pan Z, Shi L, Wang C, Xu C. Direct access to carbamates via acylation of arylamines with dialkyl azodicarboxylates under metal-free conditions. Org Biomol Chem 2023; 21:9037-9048. [PMID: 37933527 DOI: 10.1039/d3ob01437a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2023]
Abstract
A novel C-N coupling of various arylamines with dialkyl azodicarboxylates under metal-free conditions for the rapid assembly of carbamates has been achieved. This established protocol features mild reaction conditions, simple operation, broad substrate scope, moderate to excellent yields and good tolerance of functional groups. Moreover, the potential synthetic utility of products was exemplified by a series of intriguing chemical operations.
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Affiliation(s)
- Liangxin Fan
- Department of Chemical Biology, School of Sciences, Henan Agricultural University, Zhengzhou 450002, China.
| | - Mengyang He
- Department of Chemical Biology, School of Sciences, Henan Agricultural University, Zhengzhou 450002, China.
| | - Xinyuan Liu
- Department of Chemical Biology, School of Sciences, Henan Agricultural University, Zhengzhou 450002, China.
| | - Fangyu He
- Department of Chemical Biology, School of Sciences, Henan Agricultural University, Zhengzhou 450002, China.
| | - Lulu Wu
- Department of Chemical Biology, School of Sciences, Henan Agricultural University, Zhengzhou 450002, China.
| | - Guoyu Yang
- Department of Chemical Biology, School of Sciences, Henan Agricultural University, Zhengzhou 450002, China.
| | - Zhenliang Pan
- Department of Chemical Biology, School of Sciences, Henan Agricultural University, Zhengzhou 450002, China.
| | - Lijun Shi
- Department of Chemical Biology, School of Sciences, Henan Agricultural University, Zhengzhou 450002, China.
| | - Caixia Wang
- Department of Chemical Biology, School of Sciences, Henan Agricultural University, Zhengzhou 450002, China.
| | - Cuilian Xu
- Department of Chemical Biology, School of Sciences, Henan Agricultural University, Zhengzhou 450002, China.
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7
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Sahari A, Puumi J, Mannisto JK, Repo T. Dual Nickel Photocatalysis for O-Aryl Carbamate Synthesis from Carbon Dioxide. J Org Chem 2023; 88:3822-3829. [PMID: 36848485 PMCID: PMC10028690 DOI: 10.1021/acs.joc.3c00023] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
Abstract
We report the use of dual nickel photocatalysis in the synthesis of O-aryl carbamates from aryl iodides or bromides, amines, and carbon dioxide. The reaction proceeded in visible light, at ambient carbon dioxide pressure, and without stoichiometric activating reagents. Mechanistic analysis is consistent with a Ni(I-III) cycle, where the active species is generated by the photocatalyst. The rate-limiting steps were the photocatalyst-mediated reduction of Ni(II) to Ni(I) and subsequent oxidative addition of the aryl halide. The physical properties of the photocatalyst were critical for promoting formation of O-aryl carbamates over various byproducts. Nine new phthalonitrile photocatalysts were synthesized, which exhibited properties that were vital to achieve high selectivity and activity.
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Affiliation(s)
- Aleksi Sahari
- Department of Chemistry, University of Helsinki, FI-00014 Helsinki, Finland
| | - Jukka Puumi
- Department of Chemistry, University of Helsinki, FI-00014 Helsinki, Finland
| | - Jere K Mannisto
- Department of Chemistry, University of Helsinki, FI-00014 Helsinki, Finland
| | - Timo Repo
- Department of Chemistry, University of Helsinki, FI-00014 Helsinki, Finland
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8
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Chabeda D, Kelly HR, Holland PL, Batista VS. Small, Electron-Donating Substituents Give CO 2 Activation by Permethylpentalene Zirconium Amido Complexes the Upper Hand: A DFT Study of Distortion and Interaction. Inorg Chem 2023; 62:3000-3006. [PMID: 36752721 DOI: 10.1021/acs.inorgchem.2c03533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
An insight into factors controlling CO2 activation is necessary to develop molecular systems that utilize CO2 as a chemical feedstock. Two permethylpentalene zirconium cyclopentadienyl (mono)amido complexes, Pn*ZrCp(NR2), were previously assessed for CO2 activation, and a strong dependence on the amido substituent was observed. The R = Me analogue reacted rapidly and quantitatively at room temperature to form the carbamato complex, while the R = Ph species was inert. Here, we investigate the origin of this reactivity difference using DFT and the distortion-interaction model to characterize steric and electronic contributions to the activation barrier. We find that the barrier for CO2 insertion with R = Me (19.1 kcal/mol) is lower than with R = Ph (36.6 kcal/mol), explaining the inertness of the Ph-substituted analogue. The distortion energy trend follows the steric bulk of the amido substituents, and the bulkier Ph-substituted complex has a consistently higher distortion energy along its potential energy surface than that of the Me-substituted complex. The interaction energy trend follows the electronics, and a more electron-donating Me-substituted complex shows a consistently lower interaction energy. The balance of these effects at the corresponding TS gives a reduced activation barrier. Small, electron-donating substituents therefore facilitate CO2 activation in these complexes.
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Affiliation(s)
- Daniel Chabeda
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
| | - H Ray Kelly
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States.,Yale Energy Sciences Institute, Yale University, West Haven, Connecticut 06516, United States
| | - Patrick L Holland
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
| | - Victor S Batista
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States.,Yale Energy Sciences Institute, Yale University, West Haven, Connecticut 06516, United States
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9
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Koizumi H, Takeuchi K, Matsumoto K, Fukaya N, Sato K, Uchida M, Matsumoto S, Hamura S, Hirota J, Nakashige M, Choi JC. Direct Conversion of Low-Concentration CO 2 into N-Aryl and N-Alkyl Carbamic Acid Esters Using Tetramethyl Orthosilicate with Amidines as a CO 2 Capture Agent and a Catalyst. J Org Chem 2023; 88:5015-5024. [PMID: 36791400 DOI: 10.1021/acs.joc.2c02326] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
Herein, we report the direct conversion of low-concentration CO2 (15 vol %), equivalent to the CO2 concentration in the exhaust gas from a thermal power station, into carbamic acid esters (CAEs), which are precursors for pharmaceuticals, agrochemicals, and isocyanates. The reaction was performed using Si(OMe)4 as a nonmetallic regenerable reagent and 1,8-diazabicyclo[5.4.0]undec-7-ene as a CO2 capture agent and catalyst. This reaction system does not require the addition of metal complex catalysts or metal salt additives and is therefore simpler than our previously reported reaction system involving Ti(OR)4 and a Zn(II) catalyst. A variety of N-aryl, N-alkyl, and bis CAEs (precursors of polyurethane raw materials) were obtained in moderate to high yields (45-77% for 6 examples, 84-89% for 7 examples). In addition, bis CAEs were successfully synthesized from simulated exhaust gas containing impurities such as SO2, NO2, and CO or on a gram scale. We believe that this method can eliminate the use of toxic phosgene as the raw material for isocyanate production and mitigate CO2 emissions.
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Affiliation(s)
- Hiroki Koizumi
- National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5, 1-1-1 Higashi, Tsukuba 305-8565, Ibaraki, Japan
| | - Katsuhiko Takeuchi
- National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5, 1-1-1 Higashi, Tsukuba 305-8565, Ibaraki, Japan
| | - Kazuhiro Matsumoto
- National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5, 1-1-1 Higashi, Tsukuba 305-8565, Ibaraki, Japan
| | - Norihisa Fukaya
- National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5, 1-1-1 Higashi, Tsukuba 305-8565, Ibaraki, Japan
| | - Kazuhiko Sato
- National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5, 1-1-1 Higashi, Tsukuba 305-8565, Ibaraki, Japan
| | - Masahito Uchida
- Tosoh Corporation, Advanced Materials Research Laboratory, 2743-1 Hayakawa, Ayase, Kanagawa 252-1123, Japan
| | - Seiji Matsumoto
- Tosoh Corporation, 3-8-2 Shiba, Minato-Ku, Tokyo 105-8623, Japan
| | - Satoshi Hamura
- Tosoh Corporation, 3-8-2 Shiba, Minato-Ku, Tokyo 105-8623, Japan
| | - Junya Hirota
- Tosoh Corporation, Technology Center, 4560 Kaiseicho, Shunan, Yamaguchi 746-8501, Japan
| | - Makoto Nakashige
- Tosoh Corporation, Technology Center, 4560 Kaiseicho, Shunan, Yamaguchi 746-8501, Japan
| | - Jun-Chul Choi
- National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5, 1-1-1 Higashi, Tsukuba 305-8565, Ibaraki, Japan
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10
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Chatterjee R, Bhattacharjee S, Bhaumik A. Bifunctional Metal‐Free Heterogeneous Catalyst for the Synthesis of Methanol and Diols from CO2 and Epoxide. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200317] [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)
- Rupak Chatterjee
- Indian Association for the Cultivation of Science School of Materials Sciences INDIA
| | - Sudip Bhattacharjee
- Indian Association for the Cultivation of Science School of Materials Sciences INDIA
| | - Asim Bhaumik
- Indian Association for the Cultivation of Science Department of Materials Science 2A & B Raja S. C. Mullick RoadJadavpur 700032 Kolkata INDIA
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11
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Kumar A, Bhardwaj R, Mandal SK, Choudhury J. Transfer Hydrogenation of CO 2 and CO 2 Derivatives using Alcohols as Hydride Sources: Boosting an H 2-Free Alternative Strategy. ACS Catal 2022. [DOI: 10.1021/acscatal.2c01982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Abhishek Kumar
- Organometallics & Smart Materials Laboratory, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal 462 066, India
| | - Ritu Bhardwaj
- Organometallics & Smart Materials Laboratory, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal 462 066, India
| | - Sanajit Kumar Mandal
- Organometallics & Smart Materials Laboratory, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal 462 066, India
| | - Joyanta Choudhury
- Organometallics & Smart Materials Laboratory, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal 462 066, India
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12
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Recent Advances in the Synthesis of Five-Membered Cyclic Carbonates and Carbamates from Allylic or Propargylic Substrates and CO2. Catalysts 2022. [DOI: 10.3390/catal12050547] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
The organic carbamates and carbonates are highly desirable compounds that have found a wide range of applications in drug design, medicinal chemistry, material science, and the polymer industry. The development of new catalytic carbonate and carbamate forming reactions, which employ carbon dioxide as a cheap, green, abundant, and easily available reagent, would thus represent an ideal substitution for existing methods. In this review, the advancements in the catalytic conversion of allylic and propargylic alcohols and amines to corresponding five-membered cyclic carbonates and carbamates are summarized. Both the metal- and the organocatalyzed methods are reviewed, as well as the proposed mechanisms and key intermediates of the illustrated carbonate and carbamate forming reactions.
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13
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Matsutani T, Aoyama K, Moriuchi T. Oxovanadium(V)-Catalyzed Synthesis of Ureas from Disilylamines and Carbon Dioxide under Ambient Pressure. ACS OMEGA 2022; 7:10476-10482. [PMID: 35382277 PMCID: PMC8973124 DOI: 10.1021/acsomega.1c07367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Accepted: 03/01/2022] [Indexed: 06/14/2023]
Abstract
Here, a commercially available easy-to-handle oxovanadium(V) compound is demonstrated to serve as an efficient catalyst for the synthesis of ureas from disilylamines and carbon dioxide under ambient pressure. The catalytic activation of carbon dioxide proceeds without any additives, demonstrating a broad substrate scope and easy scalability to validate this catalytic activation of carbon dioxide. This catalytic system can be applied to the synthesis of unsymmetric ureas and chiral urea with retention of chirality.
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14
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Chen J, Wen K, Wu Y, Shi J, Yao X, Tang X. Transition Metal Catalyst-Free C-3 Sulfonylmethylation of Imidazo[1,2- a]pyridines with Glyoxylic Acid and Sodium Sulfinates in Water. J Org Chem 2022; 87:3780-3787. [PMID: 35133825 DOI: 10.1021/acs.joc.1c02856] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Herein, we describe an efficient and benign protocol for direct C-3 sulfonylmethylation of imidazo[1,2-a]pyridines with glyoxylic acid and sodium sulfinates. Various sulfonylmethylated imidazo[1,2-a]pyridines were synthesized in water under transition metal catalyst-free conditions. This multicomponent reaction featured available substrates, good functional group tolerance, moderate to excellent yields, and mild reaction conditions.
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Affiliation(s)
- Jiewen Chen
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, 1023 South Shatai Road, Baiyun District, Guangzhou 510515, People's Republic of China
| | - Kangmei Wen
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, 1023 South Shatai Road, Baiyun District, Guangzhou 510515, People's Republic of China
| | - Yinrong Wu
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, 1023 South Shatai Road, Baiyun District, Guangzhou 510515, People's Republic of China
| | - Jie Shi
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, 1023 South Shatai Road, Baiyun District, Guangzhou 510515, People's Republic of China
| | - Xingang Yao
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, 1023 South Shatai Road, Baiyun District, Guangzhou 510515, People's Republic of China
| | - Xiaodong Tang
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, 1023 South Shatai Road, Baiyun District, Guangzhou 510515, People's Republic of China
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15
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Tandem Reactions Based on the Cyclization of Carbon Dioxide and Propargylic Alcohols: Derivative Applications of α-Alkylidene Carbonates. Catalysts 2022. [DOI: 10.3390/catal12010073] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
As a well-known greenhouse gas, carbon dioxide (CO2) has attracted increasing levels of attention in areas of energy, environment, climate, etc. Notably, CO2 is an abundant, nonflammable, and renewable C1 feedstock in view of chemistry. Therefore, the transformation of CO2 into organic compounds is an extremely attractive research topic in modern green and sustainable chemistry. Among the numerous CO2 utilization methods, carboxylative cycloaddition of CO2 into propargylic alcohols is an ideal route due to the corresponding products, α-alkylidene cyclic carbonates, which are a series of highly functionalized compounds that supply numerous potential methods for the construction of various synthetically and biologically valuable agents. This cyclization reaction has been intensively studied and systematically summarized, in the past years. Therefore, attention has been gradually transferred to produce more derivative compounds. Herein, the tandem reactions of this cyclization with hydration, amination, alcoholysis, and isomerization to synthesize α-hydroxyl ketones, oxazolidinones, carbamates, unsymmetrical carbonates, tetronic acids, ethylene carbonates, etc. were systematically reviewed.
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16
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Liu K, Liu C. One‐Pot Synthesis of Organic Carbonate from Alcohol and Alkyl Bromide under Low CO
2
Pressure. ChemistrySelect 2021. [DOI: 10.1002/slct.202102424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Kai Liu
- State Key Laboratory of Fine Chemicals Dalian University of Technology Linggong Road 2 Dalian 116024 China
| | - Chun Liu
- State Key Laboratory of Fine Chemicals Dalian University of Technology Linggong Road 2 Dalian 116024 China
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17
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Wang L, Shi F, Qi C, Xu W, Xiong W, Kang B, Jiang H. Stereodivergent synthesis of β-iodoenol carbamates with CO 2 via photocatalysis. Chem Sci 2021; 12:11821-11830. [PMID: 34659721 PMCID: PMC8442729 DOI: 10.1039/d1sc03366b] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Accepted: 08/02/2021] [Indexed: 01/24/2023] Open
Abstract
Photocatalytic conversion of carbon dioxide (CO2) into value-added chemicals is of great significance from the viewpoint of green chemistry and sustainable development. Here, we report a stereodivergent synthesis of β-iodoenol carbamates through a photocatalytic three-component coupling of ethynylbenziodoxolones, CO2 and amines. By choosing appropriate photocatalysts, both Z- and E-isomers of β-iodoenol carbamates, which are difficult to prepare using existing methods, can be obtained stereoselectively. This transformation featured mild conditions, excellent functional group compatibility and broad substrate scope. The potential synthetic utility of this protocol was demonstrated by late-stage modification of bioactive molecules and pharmaceuticals as well as by elaborating the products to access a wide range of valuable compounds. More importantly, this strategy could provide a general and practical method for stereodivergent construction of trisubstituted alkenes such as triarylalkenes, which represents a fascinating challenge in the field of organic chemistry research. A series of mechanism investigations revealed that the transformation might proceed through a charge-transfer complex which might be formed through a halogen bond.
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Affiliation(s)
- Lu Wang
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology Guangzhou 510640 P. R. China
| | - Fuxing Shi
- State Key Laboratory of Chemical Resource Engineering, Institute of Computational Chemistry, College of Chemistry, Beijing University of Chemical Technology Beijing 100029 P. R. China
| | - Chaorong Qi
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology Guangzhou 510640 P. R. China
| | - Wenjie Xu
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology Guangzhou 510640 P. R. China
| | - Wenfang Xiong
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology Guangzhou 510640 P. R. China
| | - Bangxiong Kang
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology Guangzhou 510640 P. R. China
| | - Huanfeng Jiang
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology Guangzhou 510640 P. R. China
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18
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Álvarez‐Miguel L, Burgoa JD, Mosquera MEG, Hamilton A, Whiteoak CJ. Catalytic Formation of Cyclic Carbonates using Gallium Aminotrisphenolate Compounds and Comparison to their Aluminium Congeners: A Combined Experimental and Computational Study. ChemCatChem 2021. [DOI: 10.1002/cctc.202100910] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Lucía Álvarez‐Miguel
- Department of Organic and Inorganic Chemistry and Research Institute in Chemistry “Andrés M. del Río” (IQAR) Universidad de Alcalá Campus Universitario 28871 Alcalá de Henares Madrid Spain
| | - Jesús Damián Burgoa
- Department of Organic and Inorganic Chemistry and Research Institute in Chemistry “Andrés M. del Río” (IQAR) Universidad de Alcalá Campus Universitario 28871 Alcalá de Henares Madrid Spain
| | - Marta E. G. Mosquera
- Department of Organic and Inorganic Chemistry and Research Institute in Chemistry “Andrés M. del Río” (IQAR) Universidad de Alcalá Campus Universitario 28871 Alcalá de Henares Madrid Spain
| | - Alex Hamilton
- Biomolecular Sciences Research Centre (BMRC) and Department of Biosciences and Chemistry College of Health, Wellbeing and Life Sciences Sheffield Hallam University Howard Street Sheffield S1 1WB United Kingdom
| | - Christopher J. Whiteoak
- Department of Organic and Inorganic Chemistry and Research Institute in Chemistry “Andrés M. del Río” (IQAR) Universidad de Alcalá Campus Universitario 28871 Alcalá de Henares Madrid Spain
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19
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Liu X, Werner T. Indirect reduction of CO 2 and recycling of polymers by manganese-catalyzed transfer hydrogenation of amides, carbamates, urea derivatives, and polyurethanes. Chem Sci 2021; 12:10590-10597. [PMID: 34447552 PMCID: PMC8356819 DOI: 10.1039/d1sc02663a] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 06/28/2021] [Indexed: 01/13/2023] Open
Abstract
The reduction of polar bonds, in particular carbonyl groups, is of fundamental importance in organic chemistry and biology. Herein, we report a manganese pincer complex as a versatile catalyst for the transfer hydrogenation of amides, carbamates, urea derivatives, and even polyurethanes leading to the corresponding alcohols, amines, and methanol as products. Since these compound classes can be prepared using CO2 as a C1 building block the reported reaction represents an approach to the indirect reduction of CO2. Notably, these are the first examples on the reduction of carbamates and urea derivatives as well as on the C-N bond cleavage in amides by transfer hydrogenation. The general applicability of this methodology is highlighted by the successful reduction of 12 urea derivatives, 26 carbamates and 11 amides. The corresponding amines, alcohols and methanol were obtained in good to excellent yields up to 97%. Furthermore, polyurethanes were successfully converted which represents a viable strategy towards a circular economy. Based on control experiments and the observed intermediates a feasible mechanism is proposed.
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Affiliation(s)
- Xin Liu
- Leibniz-Institute for Catalysis Albert-Einstein-Str. 29a 18059 Rostock Germany
| | - Thomas Werner
- Leibniz-Institute for Catalysis Albert-Einstein-Str. 29a 18059 Rostock Germany
- Department of Chemistry, Paderborn University Warburger Str. 100 33098 Paderborn Germany
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20
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Sahoo PK, Zhang Y, Das S. CO 2-Promoted Reactions: An Emerging Concept for the Synthesis of Fine Chemicals and Pharmaceuticals. ACS Catal 2021. [DOI: 10.1021/acscatal.0c05681] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Prakash Kumar Sahoo
- Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerpen, Belgium
| | - Yu Zhang
- Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerpen, Belgium
| | - Shoubhik Das
- Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerpen, Belgium
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21
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Svatunek D, Hansen T, Houk KN, Hamlin TA. How the Lewis Base F - Catalyzes the 1,3-Dipolar Cycloaddition between Carbon Dioxide and Nitrilimines. J Org Chem 2021; 86:4320-4325. [PMID: 33577314 PMCID: PMC8023701 DOI: 10.1021/acs.joc.0c02963] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
![]()
The mechanism of
the Lewis base F– catalyzed
1,3-dipolar cycloaddition between CO2 and nitrilimines
is interrogated using DFT calculations. F– activates
the nitrilimine, not CO2 as proposed in the literature,
and imparts a significant rate enhancement for the cycloaddition.
The origin of this catalysis is in the strength of the primary orbital
interactions between the reactants. The Lewis base activated nitrilimine–F– has high-lying filled FMOs. The smaller FMO-LUMO gap
promotes a rapid nucleophilic attack and overall cycloaddition with
CO2.
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Affiliation(s)
- Dennis Svatunek
- Department of Theoretical Chemistry, Amsterdam Institute of Molecular and Life Sciences (AIMSS), Amsterdam Center for Multiscale Modeling (ACMM), Vrije Universiteit Amsterdam, De Boelelaan 1083, 1081 HV, Amsterdam, The Netherlands.,Institute of Applied Synthetic Chemistry, TU Wien (Vienna University of Technology), A-1060, Vienna, Austria.,Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, Los Angeles, United States
| | - Thomas Hansen
- Department of Theoretical Chemistry, Amsterdam Institute of Molecular and Life Sciences (AIMSS), Amsterdam Center for Multiscale Modeling (ACMM), Vrije Universiteit Amsterdam, De Boelelaan 1083, 1081 HV, Amsterdam, The Netherlands.,Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC Leiden, The Netherlands
| | - Kendall N Houk
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, Los Angeles, United States
| | - Trevor A Hamlin
- Department of Theoretical Chemistry, Amsterdam Institute of Molecular and Life Sciences (AIMSS), Amsterdam Center for Multiscale Modeling (ACMM), Vrije Universiteit Amsterdam, De Boelelaan 1083, 1081 HV, Amsterdam, The Netherlands
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22
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Affiliation(s)
- Prakash Kumar Sahoo
- Department of Chemistry Universiteit Antwerpen Groenenborgerlaan 171 2020 Antwerpen Belgium
| | - Tong Zhang
- Department of Chemistry Universiteit Antwerpen Groenenborgerlaan 171 2020 Antwerpen Belgium
| | - Shoubhik Das
- Department of Chemistry Universiteit Antwerpen Groenenborgerlaan 171 2020 Antwerpen Belgium
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