1
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Elterlein F, Bugdahn N, Kraft P. Sniffing Out the Sustainable Future: The Renewability Revolution in Fragrance Chemistry. Chemistry 2024; 30:e202400006. [PMID: 38358844 DOI: 10.1002/chem.202400006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 02/13/2024] [Accepted: 02/14/2024] [Indexed: 02/17/2024]
Abstract
In this review, the impact of the transition from today's resource-wasting petrochemical economy towards a 100/100 renewable and biodegradable future is discussed with respect to the fragrance families: "citrus", "green", "fruity", "floral", "floriental", "oriental", "woody", "chypre" and "fougère". After benchmark data on ingredients usage, definitions on biodegradation and sustainability are given. Celebrating the 150th anniversary of synthetic vanillin, its historic synthesis from renewable starting materials serves as introduction. In the grand scheme of things, citrus scents upcycled from the beverages industry, are already an ideal case for 100/100 with new opportunities for artificial essential oils. In the fruity domain, transparent and lactonic ingredients are available in a sustainable manner. However, in the domain of green odorants, there is a lack of green chemistry for important key materials. In the floral family, renewability is more critical than biodegradability, but cost is an issue. Thanks to Ambrox and maltol, florientals and orientals will persist, while woody notes severely lack an Iso E Super replacer. In the chypre genre, patchouli became the new moss, but more musks are increasingly in demand. With their high percentage of linalool and dihydromyrcenol, the construction of fougères could well become a precedent for other families, despite challenges in vetiver and salicylates. Still, the challenges exemplified here create immense opportunities for new perfumery materials.
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Affiliation(s)
- Franziska Elterlein
- Symrise AG, S&C Global Innovation Fragrances, Building D 209, Mühlenfeldstraße 1, 37603, Holzminden, Germany
| | - Nikolas Bugdahn
- Symrise AG, S&C Global Innovation Fragrances, Building D 209, Mühlenfeldstraße 1, 37603, Holzminden, Germany
| | - Philip Kraft
- Symrise AG, S&C Global Innovation Fragrances, Building D 209, Mühlenfeldstraße 1, 37603, Holzminden, Germany
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2
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Foscato M, Occhipinti G, Hopen Eliasson SH, Jensen VR. Automated de Novo Design of Olefin Metathesis Catalysts: Computational and Experimental Analysis of a Simple Thermodynamic Design Criterion. J Chem Inf Model 2024; 64:412-424. [PMID: 38247361 PMCID: PMC10806812 DOI: 10.1021/acs.jcim.3c01649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 12/14/2023] [Accepted: 12/14/2023] [Indexed: 01/23/2024]
Abstract
Methods for computational de novo design of inorganic molecules have paved the way for automated design of homogeneous catalysts. Such studies have so far relied on correlation-based prediction models as fitness functions (figures of merit), but the soundness of these approaches has yet to be tested by experimental verification of de novo-designed catalysts. Here, a previously developed criterion for the optimization of dative ligands L in ruthenium-based olefin metathesis catalysts RuCl2(L)(L')(═CHAr), where Ar is an aryl group and L' is a phosphine ligand dissociating to activate the catalyst, was used in de novo design experiments. These experiments predicted catalysts bearing an N-heterocyclic carbene (L = 9) substituted by two N-bound mesityls and two tert-butyl groups at the imidazolidin-2-ylidene backbone to be promising. Whereas the phosphine-stabilized precursor assumed by the prediction model could not be made, a pyridine-stabilized ruthenium alkylidene complex (17) bearing carbene 9 was less active than a known leading pyridine-stabilized Grubbs-type catalyst (18, L = H2IMes). A density functional theory-based analysis showed that the unsubstituted metallacyclobutane (MCB) intermediate generated in the presence of ethylene is the likely resting state of both 17 and 18. Whereas the design criterion via its correlation between the stability of the MCB and the rate-determining barrier indeed seeks to stabilize the MCB, it relies on RuCl2(L)(L')(═CH2) adducts as resting states. The change in resting state explains the discrepancy between the prediction and the actual performance of catalyst 17. To avoid such discrepancies and better address the multifaceted challenges of predicting catalytic performance, future de novo catalyst design studies should explore and test design criteria incorporating information from more than a single relative energy or intermediate.
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Affiliation(s)
- Marco Foscato
- Department of Chemistry, University of Bergen, Allégaten 41, N-5007 Bergen, Norway
| | - Giovanni Occhipinti
- Department of Chemistry, University of Bergen, Allégaten 41, N-5007 Bergen, Norway
| | | | - Vidar R. Jensen
- Department of Chemistry, University of Bergen, Allégaten 41, N-5007 Bergen, Norway
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3
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Gawin R, Tracz A, Krajczy P, Kozakiewicz-Piekarz A, Martínez JP, Trzaskowski B. Inhibition of the Decomposition Pathways of Ruthenium Olefin Metathesis Catalysts: Development of Highly Efficient Catalysts for Ethenolysis. J Am Chem Soc 2023. [PMID: 37916946 DOI: 10.1021/jacs.3c10635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2023]
Abstract
Ruthenium-based Hoveyda-type olefin metathesis catalysts bearing novel rigid spirocyclic alkyl amino carbenes (CAACs) have been developed. They are characterized by exceptional stability toward decomposition through β-elimination and bimolecular pathways, thus enabling unprecedented efficiency in the cross-metathesis of seed oil-derived fatty acid esters with ethylene (ethenolysis). Catalyst loading as low as 100 ppb was applied to the ethenolysis of the model substrate methyl oleate, leading to a remarkable turnover number (TON) of 2.6 million, significantly higher than previously reported (TON 340 000 at 1 ppm and 744 000 at 0.5 ppm catalyst loading). Ethenolysis of methyl esters derived from high oleic sunflower oil and rapeseed oil, readily available on an industrial scale, inexpensive, and renewable feedstocks, was for the first time effectively carried out with 0.5 ppm catalyst loading with TON as high as 964 000.
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Affiliation(s)
- Rafał Gawin
- Apeiron Synthesis SA, Duńska 9, 54-427 Wrocław, Poland
| | - Andrzej Tracz
- Apeiron Synthesis SA, Duńska 9, 54-427 Wrocław, Poland
| | | | | | - Juan Pablo Martínez
- Centre of New Technologies, University of Warsaw, Banacha 2c, 02-097 Warszawa, Poland
| | - Bartosz Trzaskowski
- Centre of New Technologies, University of Warsaw, Banacha 2c, 02-097 Warszawa, Poland
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4
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Hayes G, Laurel M, MacKinnon D, Zhao T, Houck HA, Becer CR. Polymers without Petrochemicals: Sustainable Routes to Conventional Monomers. Chem Rev 2023; 123:2609-2734. [PMID: 36227737 PMCID: PMC9999446 DOI: 10.1021/acs.chemrev.2c00354] [Citation(s) in RCA: 27] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Access to a wide range of plastic materials has been rationalized by the increased demand from growing populations and the development of high-throughput production systems. Plastic materials at low costs with reliable properties have been utilized in many everyday products. Multibillion-dollar companies are established around these plastic materials, and each polymer takes years to optimize, secure intellectual property, comply with the regulatory bodies such as the Registration, Evaluation, Authorisation and Restriction of Chemicals and the Environmental Protection Agency and develop consumer confidence. Therefore, developing a fully sustainable new plastic material with even a slightly different chemical structure is a costly and long process. Hence, the production of the common plastic materials with exactly the same chemical structures that does not require any new registration processes better reflects the reality of how to address the critical future of sustainable plastics. In this review, we have highlighted the very recent examples on the synthesis of common monomers using chemicals from sustainable feedstocks that can be used as a like-for-like substitute to prepare conventional petrochemical-free thermoplastics.
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Affiliation(s)
- Graham Hayes
- Department of Chemistry, University of Warwick, CV4 7ALCoventry, United Kingdom
| | - Matthew Laurel
- Department of Chemistry, University of Warwick, CV4 7ALCoventry, United Kingdom
| | - Dan MacKinnon
- Department of Chemistry, University of Warwick, CV4 7ALCoventry, United Kingdom
| | - Tieshuai Zhao
- Department of Chemistry, University of Warwick, CV4 7ALCoventry, United Kingdom
| | - Hannes A Houck
- Department of Chemistry, University of Warwick, CV4 7ALCoventry, United Kingdom.,Institute of Advanced Study, University of Warwick, CV4 7ALCoventry, United Kingdom
| | - C Remzi Becer
- Department of Chemistry, University of Warwick, CV4 7ALCoventry, United Kingdom
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5
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Eagan JM, Padilla-Vélez O, O’Connor KS, MacMillan SN, LaPointe AM, Coates GW. Chain-Straightening Polymerization of Olefins to Form Polar Functionalized Semicrystalline Polyethylene. Organometallics 2022. [DOI: 10.1021/acs.organomet.2c00366] [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)
- James M. Eagan
- Department of Chemistry and Chemical Biology, Baker Laboratory, Cornell University, Ithaca, New York 14853-1301, United States
| | - Omar Padilla-Vélez
- Department of Chemistry and Chemical Biology, Baker Laboratory, Cornell University, Ithaca, New York 14853-1301, United States
| | - Kyle S. O’Connor
- Department of Chemistry and Chemical Biology, Baker Laboratory, Cornell University, Ithaca, New York 14853-1301, United States
| | - Samantha N. MacMillan
- Department of Chemistry and Chemical Biology, Baker Laboratory, Cornell University, Ithaca, New York 14853-1301, United States
| | - Anne M. LaPointe
- Department of Chemistry and Chemical Biology, Baker Laboratory, Cornell University, Ithaca, New York 14853-1301, United States
| | - Geoffrey W. Coates
- Department of Chemistry and Chemical Biology, Baker Laboratory, Cornell University, Ithaca, New York 14853-1301, United States
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6
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Kim M, Kim H, Kim S, Hong S, Lee E. Syntheses and Applications of Indol-2-ylidene-Ligated Ruthenium-Based Olefin Metathesis Catalysts. Organometallics 2022. [DOI: 10.1021/acs.organomet.2c00153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Minseop Kim
- Department of Chemistry, Pohang University of Science and Technology. Pohang 37673, Republic of Korea
| | - Hyunho Kim
- Department of Chemistry, Pohang University of Science and Technology. Pohang 37673, Republic of Korea
| | - Seyong Kim
- Department of Chemistry, Gwangju Institute of Science and Technology, 123 Cheomdan-gwagiro, Buk-gu, Gwangju 61005, Republic of Korea
| | - Sukwon Hong
- Department of Chemistry, Gwangju Institute of Science and Technology, 123 Cheomdan-gwagiro, Buk-gu, Gwangju 61005, Republic of Korea
| | - Eunsung Lee
- Department of Chemistry, Pohang University of Science and Technology. Pohang 37673, Republic of Korea
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7
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Byun S, Park DA, Kim S, Kim S, Ryu JY, Lee J, Hong S. Highly selective ethenolysis with acyclic-aminooxycarbene ruthenium catalysts. Inorg Chem Front 2022. [DOI: 10.1039/d1qi01132d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Acyclic carbene–ruthenium catalysts were developed for the ethenolysis. Remarkable catalytic efficiency (turnover numbers of 100 000) and excellent α-olefin selectivity (up to 98%) were exhibited.
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Affiliation(s)
- Seunghwan Byun
- Department of Chemistry, Gwangju Institute of Science and Technology, 123 Cheomdan-gwagiro, Buk-gu, Gwangju 61005, Republic of Korea
- Grubbs Center for Polymers and Catalysis, Gwangju Institute of Science and Technology, 123 Cheomdan-gwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea
| | - Da-Ae Park
- Department of Chemistry, Gwangju Institute of Science and Technology, 123 Cheomdan-gwagiro, Buk-gu, Gwangju 61005, Republic of Korea
| | - Seyong Kim
- Department of Chemistry, Gwangju Institute of Science and Technology, 123 Cheomdan-gwagiro, Buk-gu, Gwangju 61005, Republic of Korea
| | - Sunghyun Kim
- Department of Chemistry, Gwangju Institute of Science and Technology, 123 Cheomdan-gwagiro, Buk-gu, Gwangju 61005, Republic of Korea
| | - Ji Yeon Ryu
- Department of Chemistry, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju 61186, Republic of Korea
| | - Junseong Lee
- Department of Chemistry, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju 61186, Republic of Korea
| | - Sukwon Hong
- Department of Chemistry, Gwangju Institute of Science and Technology, 123 Cheomdan-gwagiro, Buk-gu, Gwangju 61005, Republic of Korea
- Grubbs Center for Polymers and Catalysis, Gwangju Institute of Science and Technology, 123 Cheomdan-gwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology, 123 Cheomdan-gwagiro, Buk-gu, Gwangju 61005, Republic of Korea
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8
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Blanco C, Nascimento DL, Fogg DE. Routes to High-Performing Ruthenium-Iodide Catalysts for Olefin Metathesis: Ligand Lability Is Key to Efficient Halide Exchange. Organometallics 2021; 40:1811-1816. [PMID: 34295013 PMCID: PMC8289337 DOI: 10.1021/acs.organomet.1c00253] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Indexed: 12/14/2022]
Abstract
Clean, high-yielding routes are described to ruthenium-diiodide catalysts that were recently shown to enable high productivity in olefin metathesis. For the second-generation Grubbs and Hoveyda catalysts (GII: RuCl2(H2IMes)(PCy3)(=CHPh); HII: RuCl2(H2IMes)(=CHAr), Ar = C6H4-2-O i Pr), slow salt metathesis is shown to arise from the low lability of the ancillary PCy3 or ether ligands, which retards access to the four-coordinate intermediate required for efficient halide exchange. To exploit the lability of the first-generation catalysts, the diiodide complex RuI2(PCy3)(=CHAr) HI-I 2 was prepared by treating "Grubbs I" (RuCl2(PCy3)2(=CHPh), GI) with NaI, H2C=CHAr (1a), and a phosphine-scavenging Merrifield iodide (MF-I) resin. Subsequent installation of H2IMes or cyclic (alkyl)(amino)carbene (CAAC) ligands afforded the second-generation iodide catalysts in good to excellent yields. Given the incompatibility of the nitro group with a free carbene, the iodo-Grela catalyst RuI2(H2IMes)(=CHAr') (nG-I 2 : Ar' = C6H3-2-O i Pr-4-NO2) was instead accessed by sequential salt metathesis of GI with NaI, installation of H2IMes, and finally cross-metathesis with the nitrostyrenyl ether H2C=CHAr' (1b), with MF-I as the phosphine scavenger. The bulky iodide ligands improve the selectivity for macrocyclization in ring-closing metathesis.
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Affiliation(s)
- Christian
O. Blanco
- Center
for Catalysis Research & Innovation and Department of Chemistry
and Biomolecular Sciences, University of
Ottawa, Ottawa, ON, Canada K1N 6N5
| | - Daniel L. Nascimento
- Center
for Catalysis Research & Innovation and Department of Chemistry
and Biomolecular Sciences, University of
Ottawa, Ottawa, ON, Canada K1N 6N5
| | - Deryn E. Fogg
- Center
for Catalysis Research & Innovation and Department of Chemistry
and Biomolecular Sciences, University of
Ottawa, Ottawa, ON, Canada K1N 6N5
- Department
of Chemistry, University of Bergen, Allégaten 41, N-5007 Bergen, Norway
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9
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Aharon S, Meyerstein D, Tzur E, Shamir D, Albo Y, Burg A. Advanced sol-gel process for efficient heterogeneous ring-closing metathesis. Sci Rep 2021; 11:12506. [PMID: 34131206 PMCID: PMC8206332 DOI: 10.1038/s41598-021-92043-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 05/28/2021] [Indexed: 11/09/2022] Open
Abstract
Olefin metathesis, a powerful synthetic method with numerous practical applications, can be improved by developing heterogeneous catalysts that can be recycled. In this study, a single-stage process for the entrapment of ruthenium-based catalysts was developed by the sol-gel process. System effectiveness was quantified by measuring the conversion of the ring-closing metathesis reaction of the substrate diethyl diallylmalonate and the leakage of the catalysts from the matrix. The results indicate that the nature of the precursor affects pore size and catalyst activity. Moreover, matrices prepared with tetraethoxysilane at an alkaline pH exhibit a better reaction rate than in the homogenous system under certain reaction conditions. To the best of our knowledge, this is the first study to present a one-step process that is simpler and faster than the methods reported in the literature for catalyst entrapment by the sol-gel process under standard conditions.
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Affiliation(s)
- Shiran Aharon
- Chemical Sciences Dept, Ariel University, Ariel, Israel
- Chemical Engineering Dept, Sami Shamoon College of Engineering, Beer Sheva, Ashdod, Israel
| | - Dan Meyerstein
- Chemical Sciences Dept, Ariel University, Ariel, Israel
- Chemistry Dept, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Eyal Tzur
- Chemical Engineering Dept, Sami Shamoon College of Engineering, Beer Sheva, Ashdod, Israel.
| | - Dror Shamir
- Nuclear Research Centre Negev, Beer-Sheva, Israel
| | - Yael Albo
- Chemical Engineering Dept, Ariel University, Ariel, Israel
| | - Ariela Burg
- Chemical Engineering Dept, Sami Shamoon College of Engineering, Beer Sheva, Ashdod, Israel.
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10
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Belov DS, Tejeda G, Bukhryakov KV. Olefin Metathesis by First-Row Transition Metals. Chempluschem 2021; 86:924-937. [PMID: 34160903 DOI: 10.1002/cplu.202100192] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 06/07/2021] [Indexed: 11/06/2022]
Abstract
Catalytic olefin metathesis based on the second- and third-row transition metals has become one of the most powerful transformations in modern organic chemistry. The shift to first-row metals to produce fine and commodity chemicals would be an important achievement to complement existing methods with inexpensive and greener alternatives. In addition, those systems can offer unusual reactivity based on the unique electronic structure of the base metals. In this Minireview, we summarize the progress of the development of alkylidenes and metallacycles of first-row transition metals from scandium to nickel capable of performing cycloaddition and cycloreversion steps, crucial reactions in olefin metathesis. In addition, we will discuss systems capable of performing olefin metathesis; however, the nature of active species is not yet known.
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Affiliation(s)
- Dmitry S Belov
- Chemistry and Biochemistry, Florida International University, 11200 SW 8th St., Miami, FL, 33199, USA
| | - Gabriela Tejeda
- Chemistry and Biochemistry, Florida International University, 11200 SW 8th St., Miami, FL, 33199, USA
| | - Konstantin V Bukhryakov
- Chemistry and Biochemistry, Florida International University, 11200 SW 8th St., Miami, FL, 33199, USA
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11
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Patra SG, Das NK. Recent advancement on the mechanism of olefin metathesis by Grubbs catalysts: A computational perspective. Polyhedron 2021. [DOI: 10.1016/j.poly.2021.115096] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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12
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Nouaille A, Pannecoucke X, Poisson T, Couve‐Bonnaire S. Access to Trisubstituted Fluoroalkenes by Ruthenium‐Catalyzed Cross‐Metathesis. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202001612] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Augustin Nouaille
- Normandie Univ INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014) 76000 Rouen France
| | - Xavier Pannecoucke
- Normandie Univ INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014) 76000 Rouen France
| | - Thomas Poisson
- Normandie Univ INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014) 76000 Rouen France
- Institut Universitaire de France 1 rue Descartes 75231 Paris France
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13
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Kaczanowska K, Trzaskowski B, Peszczyńska A, Tracz A, Gawin R, Olszewski TK, Skowerski K. Cross metathesis with acrylates:
N
‐heterocyclic carbene (NHC)‐
versus
cyclic alkyl amino carbene (CAAC)‐based ruthenium catalysts, an unanticipated influence of the carbene type on efficiency and selectivity of the reaction. ChemCatChem 2020. [DOI: 10.1002/cctc.202001268] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
| | - Bartosz Trzaskowski
- Centre of New Technologies University of Warsaw Banacha 2c 02-097 Warszawa Poland
| | | | | | - Rafał Gawin
- Apeiron Synthesis SA Duńska 9 54-427 Wrocław Poland
| | - Tomasz K. Olszewski
- Wroclaw University of Science and Technology Faculty of Chemistry Wybrzeze Wyspianskiego 29 50-370 Wroclaw Poland
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14
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Nascimento D, Reim I, Foscato M, Jensen VR, Fogg DE. Challenging Metathesis Catalysts with Nucleophiles and Brønsted Base: Examining the Stability of State-of-the-Art Ruthenium Carbene Catalysts to Attack by Amines. ACS Catal 2020; 10:11623-11633. [PMID: 33123412 PMCID: PMC7587145 DOI: 10.1021/acscatal.0c02760] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 08/29/2020] [Indexed: 11/29/2022]
Abstract
Critical to advancing the uptake of olefin metathesis in leading contexts, including pharmaceutical manufacturing, is identification of highly active catalysts that resist decomposition. Amines constitute an aggressive challenge to ruthenium metathesis catalysts. Examined here is the impact of 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU), morpholine, n-butylamine, and triethylamine on Ru metathesis catalysts that represent the current state of the art, including cyclic alkyl amino carbene (CAAC) and N-heterocyclic carbene (NHC) complexes. Accordingly, the amine-tolerance of the nitro-Grela catalyst RuCl2(H2IMes)(=CHAr) (nG; Ar = C6H4-2-O i Pr-5-NO2) is compared with that of its CAAC analogues nGC1 and nGC2, and the Hoveyda-class catalyst RuCl2(C2)(=CHAr') HC2 (Ar' = C6H4-2-O i Pr). In C1, the carbene carbon is flanked by an N-2,6-Et2C6H3 group and a CMePh quaternary carbon; in C2, by an N-2- i Pr-6-MeC6H3 group and a CMe2 quaternary carbon. The impact of 1 equiv amine per Ru on turnover numbers (TONs) in ring-closing metathesis of diethyl diallylmalonate was assessed at 9 ppm Ru, at RT and 70 °C. The deleterious impact of amines followed the trend NEt3 ∼ NH2 n Bu ≪ DBU ∼ morpholine. Morpholine is shown to decompose nGC1 by nucleophilic abstraction of the methylidene ligand; DBU, by proton abstraction from the metallacyclobutane. Decomposition was minimized at 70 °C, at which nGC1 enabled TONs of ca. 60 000 even in the presence of morpholine or DBU, vs ca. 80 000 in the absence of base. Unexpectedly, H2IMes catalyst nG delivered 70-90% of the performance of nGC1 at high temperatures, and underwent decomposition by Brønsted base at a similar rate. Density functional theory (DFT) analysis shows that this similarity is due to comparable net electron donation by the H2IMes and C1 ligands. Catalysts bearing the smaller C2 ligand were comparatively insensitive to amines, owing to rapid, preferential bimolecular decomposition.
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Affiliation(s)
- Daniel
L. Nascimento
- Center
for Catalysis Research & Innovation, and Department of Chemistry
and Biomolecular Sciences, University of
Ottawa, Ottawa, Canada K1N 6N5
| | - Immanuel Reim
- Department
of Chemistry, University of Bergen, Allégaten 41, N-5007 Bergen, Norway
| | - Marco Foscato
- Department
of Chemistry, University of Bergen, Allégaten 41, N-5007 Bergen, Norway
| | - Vidar R. Jensen
- Department
of Chemistry, University of Bergen, Allégaten 41, N-5007 Bergen, Norway
| | - Deryn E. Fogg
- Center
for Catalysis Research & Innovation, and Department of Chemistry
and Biomolecular Sciences, University of
Ottawa, Ottawa, Canada K1N 6N5
- Department
of Chemistry, University of Bergen, Allégaten 41, N-5007 Bergen, Norway
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15
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A Combined Bio-Chemical Synthesis Route for 1-Octene Sheds Light on Rhamnolipid Structure. Catalysts 2020. [DOI: 10.3390/catal10080874] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Here we report a chemoenzymatic approach to synthesize 1-octene from carbohydrates via ethenolysis of rhamnolipids. Rhamnolipids synthesized by P. putida contain a double bond between carbon five and six, which is experimentally confirmed via olefin cross metathesis. Utilizing these lipids in the ethenolysis catalyzed by a Grubbs−Hoveyda-type catalyst selectively generates 1-octene and with good conversions. This study shows the potential of chemoenzymatic approaches to produce compounds for the chemical industry from renewable resources.
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16
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Byun S, Park S, Choi Y, Ryu JY, Lee J, Choi JH, Hong S. Highly Efficient Ethenolysis and Propenolysis of Methyl Oleate Catalyzed by Abnormal N-Heterocyclic Carbene Ruthenium Complexes in Combination with a Phosphine–Copper Cocatalyst. ACS Catal 2020. [DOI: 10.1021/acscatal.0c02018] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Seunghwan Byun
- Department of Chemistry, Gwangju Institute of Science and Technology, 123 Cheomdan-gwagiro, Buk-gu, Gwangju 61005, Republic of Korea
- Grubbs Center for Polymers and Catalysis, Gwangju Institute of Science and Technology, 123 Cheomdan-gwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea
| | - Seungwook Park
- Department of Chemistry, Gwangju Institute of Science and Technology, 123 Cheomdan-gwagiro, Buk-gu, Gwangju 61005, Republic of Korea
- Grubbs Center for Polymers and Catalysis, Gwangju Institute of Science and Technology, 123 Cheomdan-gwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea
| | - Youngseo Choi
- Department of Chemistry, Gwangju Institute of Science and Technology, 123 Cheomdan-gwagiro, Buk-gu, Gwangju 61005, Republic of Korea
| | - Ji Yeon Ryu
- Department of Chemistry, Chonnam National University, 77 Yongbong-ro,
Buk-gu, Gwangju 61186, Republic of Korea
| | - Junseong Lee
- Department of Chemistry, Chonnam National University, 77 Yongbong-ro,
Buk-gu, Gwangju 61186, Republic of Korea
| | - Jun-Ho Choi
- Department of Chemistry, Gwangju Institute of Science and Technology, 123 Cheomdan-gwagiro, Buk-gu, Gwangju 61005, Republic of Korea
| | - Sukwon Hong
- Department of Chemistry, Gwangju Institute of Science and Technology, 123 Cheomdan-gwagiro, Buk-gu, Gwangju 61005, Republic of Korea
- Grubbs Center for Polymers and Catalysis, Gwangju Institute of Science and Technology, 123 Cheomdan-gwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology, 123 Cheomdan-gwagiro, Buk-gu, Gwangju 61005, Republic of Korea
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17
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Engl PS, Tsygankov A, De Jesus Silva J, Lange J, Copéret C, Togni A, Fedorov A. Acrylate Esters by Ethenolysis of Maleate Esters with Ru Metathesis Catalysts: an HTE and a Technoeconomic Study. Helv Chim Acta 2020. [DOI: 10.1002/hlca.202000035] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Pascal S. Engl
- Department of Chemistry and Applied Biosciences, ETH Zürich Vladimir-Prelog-Weg 1–5 CH-8093 Zürich Switzerland
| | - Alexey Tsygankov
- Department of Chemistry and Applied Biosciences, ETH Zürich Vladimir-Prelog-Weg 1–5 CH-8093 Zürich Switzerland
- Current address: A.N. Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences Vavilova str. 28 RU 119991 Moscow Russia
| | - Jordan De Jesus Silva
- Department of Chemistry and Applied Biosciences, ETH Zürich Vladimir-Prelog-Weg 1–5 CH-8093 Zürich Switzerland
| | - Jean‐Paul Lange
- Shell Research and Technology Center Amsterdam Grasweg 31 NL-1031 HW Amsterdam, The Netherlands
- Sustainable Process TechnologyUniversity of Twente Drienerlolaan 5 NL-7522 NB Enschede, The Netherlands
| | - Christophe Copéret
- Department of Chemistry and Applied Biosciences, ETH Zürich Vladimir-Prelog-Weg 1–5 CH-8093 Zürich Switzerland
| | - Antonio Togni
- Department of Chemistry and Applied Biosciences, ETH Zürich Vladimir-Prelog-Weg 1–5 CH-8093 Zürich Switzerland
| | - Alexey Fedorov
- Department of Chemistry and Applied Biosciences, ETH Zürich Vladimir-Prelog-Weg 1–5 CH-8093 Zürich Switzerland
- Department of Mechanical and Process Engineering, ETH Zürich Leonhardstrasse 21 CH-8092 Zürich Switzerland
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18
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Pradhan RA, Arshad M, Ullah A. Solvent-free rapid ethenolysis of fatty esters from spent hen and other lipidic feedstock with high turnover numbers. J IND ENG CHEM 2020. [DOI: 10.1016/j.jiec.2020.01.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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19
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Dąbrowski M, Wyrębek P, Trzybiński D, Woźniak K, Grela K. In a Quest for Selectivity Paired with Activity: A Ruthenium Olefin Metathesis Catalyst Bearing an Unsymmetrical Phenanthrene‐Based N‐Heterocyclic Carbene. Chemistry 2020; 26:3782-3794. [DOI: 10.1002/chem.201904549] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Revised: 12/02/2019] [Indexed: 01/24/2023]
Affiliation(s)
- Michał Dąbrowski
- Laboratory of Organometallic SynthesisBiological and Chemical Research CentreFaculty of ChemistryUniversity of Warsaw Żwirki i Wigury 101 02-089 Warsaw Poland
| | - Przemysław Wyrębek
- Laboratory of Organometallic SynthesisBiological and Chemical Research CentreFaculty of ChemistryUniversity of Warsaw Żwirki i Wigury 101 02-089 Warsaw Poland
| | - Damian Trzybiński
- Laboratory of CrystallochemistryBiological and Chemical Research CentreFaculty of ChemistryUniversity of Warsaw Żwirki i Wigury 101 02-089 Warsaw Poland
| | - Krzysztof Woźniak
- Laboratory of CrystallochemistryBiological and Chemical Research CentreFaculty of ChemistryUniversity of Warsaw Żwirki i Wigury 101 02-089 Warsaw Poland
| | - Karol Grela
- Laboratory of Organometallic SynthesisBiological and Chemical Research CentreFaculty of ChemistryUniversity of Warsaw Żwirki i Wigury 101 02-089 Warsaw Poland
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20
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Carter JD, Schrodi Y. Olefin Metathesis Catalyst Supported by a Hemilabile NHC Ligand Bearing Polyether Arms: Structure, Activity, and Decomposition. Organometallics 2020; 39:378-382. [DOI: 10.1021/acs.organomet.9b00832] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jordan D. Carter
- Department of Chemistry and Biochemistry, California State University Northridge, Northridge, California 91330, United States
| | - Yann Schrodi
- Department of Chemistry and Biochemistry, California State University Northridge, Northridge, California 91330, United States
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21
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Rouge P, Szeto KC, Bouhoute Y, Merle N, De Mallmann A, Delevoye L, Gauvin RM, Taoufik M. Ethenolysis of Renewable Methyl Oleate Catalyzed by Readily Accessible Supported Group VI Oxo Catalysts. Organometallics 2020. [DOI: 10.1021/acs.organomet.9b00823] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Pascal Rouge
- Université de Lyon, Univ. Lyon 1, CPE Lyon, CNRS UMR 5265, Laboratoire de Chimie Catalyse Polymères et Procédés (C2P2), Bat 308F, 43 Bd du 11 Novembre 1918, F-69616 Villeurbanne, France
| | - Kai C. Szeto
- Université de Lyon, Univ. Lyon 1, CPE Lyon, CNRS UMR 5265, Laboratoire de Chimie Catalyse Polymères et Procédés (C2P2), Bat 308F, 43 Bd du 11 Novembre 1918, F-69616 Villeurbanne, France
| | - Yassine Bouhoute
- Université de Lyon, Univ. Lyon 1, CPE Lyon, CNRS UMR 5265, Laboratoire de Chimie Catalyse Polymères et Procédés (C2P2), Bat 308F, 43 Bd du 11 Novembre 1918, F-69616 Villeurbanne, France
| | - Nicolas Merle
- Univ. Lille, CNRS, Centrale Lille, ENSCL, Univ. Artois, UMR 8181 - UCCS - Unité de Catalyse et Chimie du Solide, F-59000 Lille, France
| | - Aimery De Mallmann
- Université de Lyon, Univ. Lyon 1, CPE Lyon, CNRS UMR 5265, Laboratoire de Chimie Catalyse Polymères et Procédés (C2P2), Bat 308F, 43 Bd du 11 Novembre 1918, F-69616 Villeurbanne, France
| | - Laurent Delevoye
- Univ. Lille, CNRS, Centrale Lille, ENSCL, Univ. Artois, UMR 8181 - UCCS - Unité de Catalyse et Chimie du Solide, F-59000 Lille, France
| | - Régis M. Gauvin
- PSL Research University, Chimie ParisTech - CNRS, Institut de Recherche de Chimie Paris, 75005, Paris, France
| | - Mostafa Taoufik
- Université de Lyon, Univ. Lyon 1, CPE Lyon, CNRS UMR 5265, Laboratoire de Chimie Catalyse Polymères et Procédés (C2P2), Bat 308F, 43 Bd du 11 Novembre 1918, F-69616 Villeurbanne, France
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22
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Pye SJ, Chalker JM, Raston CL. Vortex Fluidic Ethenolysis, Integrating a Rapid Quench of Ruthenium Olefin Metathesis Catalysts. Aust J Chem 2020. [DOI: 10.1071/ch20005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Ruthenium-catalysed ethenolysis occurs in a vortex fluidic device (VFD) – a scalable, thin-film microfluidic continuous flow process. This process takes advantage of the efficient mass transfer of gaseous reagents into the dynamic thin film of liquid. Also reported is the rapid quenching of the ruthenium-based olefin metathesis catalyst by the addition of a saturated solution of N-acetyl-l-cysteine in MeCN, as a convenient alternative to previously reported quenching methods.
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23
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Nascimento DL, Fogg DE. Origin of the Breakthrough Productivity of Ruthenium–Cyclic Alkyl Amino Carbene Catalysts in Olefin Metathesis. J Am Chem Soc 2019; 141:19236-19240. [DOI: 10.1021/jacs.9b10750] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Daniel L. Nascimento
- Center for Catalysis Research & Innovation, and Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, K1N 6N5 Ontario, Canada
| | - Deryn E. Fogg
- Center for Catalysis Research & Innovation, and Department of Chemistry and Biomolecular Sciences, University of Ottawa, Ottawa, K1N 6N5 Ontario, Canada
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24
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Byun S, Seo H, Choi JH, Ryu JY, Lee J, Chung WJ, Hong S. Fluoro-imidazopyridinylidene Ruthenium Catalysts for Cross Metathesis with Ethylene. Organometallics 2019. [DOI: 10.1021/acs.organomet.9b00469] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Seunghwan Byun
- Department of Chemistry, Gwangju Institute of Science and Technology, 123 Cheomdan-gwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea
- Grubbs Center for Polymers and Catalysis, Gwangju Institute of Science and Technology, 123 Cheomdan-gwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea
| | - Huiyeong Seo
- Department of Chemistry, Gwangju Institute of Science and Technology, 123 Cheomdan-gwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea
| | - Jun-Ho Choi
- Department of Chemistry, Gwangju Institute of Science and Technology, 123 Cheomdan-gwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea
| | - Ji Yeon Ryu
- Department of Chemistry, Chonnam National University, 77 Yongbong-ro,
Buk-gu, Gwangju 61186, Republic of Korea
| | - Junseong Lee
- Department of Chemistry, Chonnam National University, 77 Yongbong-ro,
Buk-gu, Gwangju 61186, Republic of Korea
| | - Won-jin Chung
- Department of Chemistry, Gwangju Institute of Science and Technology, 123 Cheomdan-gwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea
| | - Sukwon Hong
- Department of Chemistry, Gwangju Institute of Science and Technology, 123 Cheomdan-gwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea
- Grubbs Center for Polymers and Catalysis, Gwangju Institute of Science and Technology, 123 Cheomdan-gwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology, 123 Cheomdan-gwagi-ro, Buk-gu, Gwangju 61005, Republic of Korea
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25
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Liu K, Xu H, Meng F, Wang Z, Zhu D, Feng G, Xiao H, Tang Y. Ruthenium Catalyzed Ethenolysis of Internal Olefin Generated from Fischer-Tropsch Process to Produce α-Olefin. CHEM LETT 2019. [DOI: 10.1246/cl.190411] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Kefeng Liu
- PetroChina Petrochemical Research Institute, Beijing 100195, P. R. China
| | - Hongwei Xu
- Power Environmental Energy Research Institute, 738 Arrow Grand Circle, Covina, CA 91722, USA
| | - Fei Meng
- Power Environmental Energy Research Institute, 738 Arrow Grand Circle, Covina, CA 91722, USA
| | - Zi Wang
- Power Environmental Energy Research Institute, 738 Arrow Grand Circle, Covina, CA 91722, USA
| | - Di Zhu
- Power Environmental Energy Research Institute, 738 Arrow Grand Circle, Covina, CA 91722, USA
| | - Ge Feng
- Power Environmental Energy Research Institute, 738 Arrow Grand Circle, Covina, CA 91722, USA
| | - Haicheng Xiao
- PetroChina Petrochemical Research Institute, Beijing 100195, P. R. China
| | - Yongchun Tang
- Power Environmental Energy Research Institute, 738 Arrow Grand Circle, Covina, CA 91722, USA
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26
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Nascimento DL, Gawin A, Gawin R, Guńka PA, Zachara J, Skowerski K, Fogg DE. Integrating Activity with Accessibility in Olefin Metathesis: An Unprecedentedly Reactive Ruthenium-Indenylidene Catalyst. J Am Chem Soc 2019; 141:10626-10631. [PMID: 31248254 DOI: 10.1021/jacs.9b05362] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Access to leading olefin metathesis catalysts, including the Grubbs, Hoveyda, and Grela catalysts, ultimately rests on the nonscaleable transfer of a benzylidene ligand from an unstable, impure aryldiazomethane. The indenylidene ligand can be reliably installed, but to date yields much less reactive catalysts. A fast-initiating, dimeric indenylidene complex (Ru-1) is reported, which reconciles high activity with scaleable synthesis. Each Ru center in Ru-1 is stabilized by a state-of-the-art cyclic alkyl amino carbene (CAAC, C1) and a bridging chloride donor: the lability of the latter elevates the reactivity of Ru-1 to a level previously attainable only with benzylidene derivatives. Evaluation of initiation rate constants reveals that Ru-1 initiates >250× faster than indenylidene catalyst M2 (RuCl2(H2IMes)(PCy3)(Ind)), and 65× faster than UC (RuCl2(C1)2(Ind)). The slow initiation previously regarded as characteristic of indenylidene catalysts is hence due to low ligand lability, not inherently slow cycloaddition at the Ru=CRR' site. In macrocyclization and "ethenolysis" of methyl oleate (i.e., transformation into α-olefins via cross-metathesis with C2H4), Ru-1 is comparable or superior to the corresponding, breakthrough CAAC-benzylidene catalyst. In ethenolysis, Ru-1 is 5× more robust to standard-grade (99.9%) C2H4 than the top-performing catalyst, probably reflecting steric protection at the quaternary CAAC carbon.
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Affiliation(s)
- Daniel L Nascimento
- Center for Catalysis Research and Innovation, and Department of Chemistry and Biomolecular Sciences , University of Ottawa , Ottawa , Ontario K1N 6N5 , Canada
| | - Anna Gawin
- Apeiron Synthesis , Duńska 9 , 54-427 Wrocław , Poland
| | - Rafał Gawin
- Apeiron Synthesis , Duńska 9 , 54-427 Wrocław , Poland
| | - Piotr A Guńka
- Faculty of Chemistry , Warsaw University of Technology , Noakowskiego 3 , 00-664 Warsaw , Poland
| | - Janusz Zachara
- Faculty of Chemistry , Warsaw University of Technology , Noakowskiego 3 , 00-664 Warsaw , Poland
| | | | - Deryn E Fogg
- Center for Catalysis Research and Innovation, and Department of Chemistry and Biomolecular Sciences , University of Ottawa , Ottawa , Ontario K1N 6N5 , Canada
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27
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Charvieux A, Duc Vu N, Duguet N, Lemaire M. Valorization of Methyl Azelaaldehydate - A Vegetable Oil Based Platform Molecule for the Synthesis of Monomers through Stetter Reaction. European J Org Chem 2019. [DOI: 10.1002/ejoc.201801611] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Aubin Charvieux
- Univ Lyon, Université Claude Bernard Lyon1, CNRS, INSA, CPE-Lyon, Institut de Chimie et Biochimie Moléculaires et Supramoléculaires, ICBMS, UMR 5246, Equipe CAtalyse, SYnthèse et ENvironnement (CASYEN), Bâtiment Lederer; 1 rue Victor Grignard 69100 Villeurbanne cedex France
| | - Nam Duc Vu
- Univ Lyon, Université Claude Bernard Lyon1, CNRS, INSA, CPE-Lyon, Institut de Chimie et Biochimie Moléculaires et Supramoléculaires, ICBMS, UMR 5246, Equipe CAtalyse, SYnthèse et ENvironnement (CASYEN), Bâtiment Lederer; 1 rue Victor Grignard 69100 Villeurbanne cedex France
| | - Nicolas Duguet
- Univ Lyon, Université Claude Bernard Lyon1, CNRS, INSA, CPE-Lyon, Institut de Chimie et Biochimie Moléculaires et Supramoléculaires, ICBMS, UMR 5246, Equipe CAtalyse, SYnthèse et ENvironnement (CASYEN), Bâtiment Lederer; 1 rue Victor Grignard 69100 Villeurbanne cedex France
| | - Marc Lemaire
- Univ Lyon, Université Claude Bernard Lyon1, CNRS, INSA, CPE-Lyon, Institut de Chimie et Biochimie Moléculaires et Supramoléculaires, ICBMS, UMR 5246, Equipe CAtalyse, SYnthèse et ENvironnement (CASYEN), Bâtiment Lederer; 1 rue Victor Grignard 69100 Villeurbanne cedex France
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28
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Hasnain SMM, Sharma RP. Evaluation of the performance and emission and spectroscopic analysis of an improved soy methyl ester. RSC Adv 2019; 9:26880-26893. [PMID: 35528558 PMCID: PMC9070456 DOI: 10.1039/c9ra04342j] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Accepted: 08/08/2019] [Indexed: 11/21/2022] Open
Abstract
Herein, the performance, emission and physiochemical properties of a soy methyl ester (SME) and its combination with methyl oleate (MO) in a common rail direct injection (CRDI) engine were investigated. Moreover, the performance of the engine in terms of brake power (BP), brake thermal efficiency (BTE), brake specific fuel consumption (BSFC) and NOx emission was assessed to compute the characteristics of the combination of SME with MO; the reasons for using MO in the blending process were the better ignition quality, oxidative stability and low-temperature flow properties of MO, striking a balance between oxidative stability and low flow properties. A remarkable reduction in the BSFC and an increase in the BTE were found in the blended biodiesel (S80-MO20, S70-M30, and S50-M50) as compared to the case of SME. The blended biodiesel was also characterized by Fourier transform infrared spectroscopy (FTIR), ultraviolet-visible spectroscopy (UV-vis) and nuclear magnetic resonance (NMR) spectroscopy. In the FTIR spectra, a peak was observed at 1745 cm−1, confirming the presence of a triglyceride ester linkage. Since UV-vis spectroscopy is an affordable technique, herein, it has been employed to detect the presence of conjugated dienes in the oxidized biodiesel. The linear line fitted for absorbance versus the percentage of the blended fuel at 320 nm showed a high coefficient of determination (R2 = 0.9454). In addition, H NMR spectroscopy was employed to study the oxidative stability of the blended fuel. Different functional groups with their respective peaks (in ppm) are indicated in the NMR spectra. SME with MO at higher blended percentages was used in the emission performance test in an advance developed CRDI engine without any engine modification.![]()
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Affiliation(s)
| | - R. P. Sharma
- Department of Mechanical Engineering
- Birla Institute of Technology
- Ranchi
- India
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29
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Le D, Samart C, Tsutsumi K, Nomura K, Kongparakul S. Efficient Conversion of Renewable Unsaturated Fatty Acid Methyl Esters by Cross-Metathesis with Eugenol. ACS OMEGA 2018; 3:11041-11049. [PMID: 31459214 PMCID: PMC6645018 DOI: 10.1021/acsomega.8b01695] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Accepted: 08/29/2018] [Indexed: 06/10/2023]
Abstract
Cross-metathesis of unsaturated fatty acid methyl esters (methyl oleate (MO), methyl petroselinate (MP), and methyl erucate (ME), obtained from vegetable oils) with eugenol (obtained from clove oil) proceeded under green, mild conditions (in 2-propanol or ethanol at 50 °C) in the presence of a ruthenium-carbene catalyst (called a second-generation Grubbs catalyst). These metathesis reactions proceeded with both high conversion (>90% of MO, MP) and selectivity (>98%) even with low catalyst loading (0.1 mol % Ru).
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Affiliation(s)
- Duy Le
- Department
of Chemistry, Faculty of Science and Technology, Thammasat University, Klong Luang, Pathumthani 12120, Thailand
| | - Chanatip Samart
- Department
of Chemistry, Faculty of Science and Technology, Thammasat University, Klong Luang, Pathumthani 12120, Thailand
| | - Ken Tsutsumi
- Department
of Chemistry, Faculty of Science, Tokyo
Metropolitan University, 1-1 Minami Osawa, Hachioji, Tokyo 192-0397, Japan
| | - Kotohiro Nomura
- Department
of Chemistry, Faculty of Science, Tokyo
Metropolitan University, 1-1 Minami Osawa, Hachioji, Tokyo 192-0397, Japan
| | - Suwadee Kongparakul
- Department
of Chemistry, Faculty of Science and Technology, Thammasat University, Klong Luang, Pathumthani 12120, Thailand
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30
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Vu ND, Bah S, Deruer E, Duguet N, Lemaire M. Robust Organocatalysts for the Cleavage of Vegetable Oil Derivatives to Aldehydes through Retrobenzoin Condensation. Chemistry 2018; 24:8141-8150. [DOI: 10.1002/chem.201800091] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Indexed: 11/08/2022]
Affiliation(s)
- Nam Duc Vu
- Univ Lyon, Université Claude Bernard Lyon1; CNRS, INSA; CPE-Lyon; Institut de Chimie et Biochimie Moléculaires et, Supramoléculaires; ICBMS; UMR 5246; Equipe CAtalyse, SYnthèse et ENvironnement (CASYEN); 43, bd du 11 novembre 1918 69622 Villeurbanne cedex France
| | - Souleymane Bah
- Univ Lyon, Université Claude Bernard Lyon1; CNRS, INSA; CPE-Lyon; Institut de Chimie et Biochimie Moléculaires et, Supramoléculaires; ICBMS; UMR 5246; Equipe CAtalyse, SYnthèse et ENvironnement (CASYEN); 43, bd du 11 novembre 1918 69622 Villeurbanne cedex France
| | - Elsa Deruer
- Univ Lyon, Université Claude Bernard Lyon1; CNRS, INSA; CPE-Lyon; Institut de Chimie et Biochimie Moléculaires et, Supramoléculaires; ICBMS; UMR 5246; Equipe CAtalyse, SYnthèse et ENvironnement (CASYEN); 43, bd du 11 novembre 1918 69622 Villeurbanne cedex France
| | - Nicolas Duguet
- Univ Lyon, Université Claude Bernard Lyon1; CNRS, INSA; CPE-Lyon; Institut de Chimie et Biochimie Moléculaires et, Supramoléculaires; ICBMS; UMR 5246; Equipe CAtalyse, SYnthèse et ENvironnement (CASYEN); 43, bd du 11 novembre 1918 69622 Villeurbanne cedex France
| | - Marc Lemaire
- Univ Lyon, Université Claude Bernard Lyon1; CNRS, INSA; CPE-Lyon; Institut de Chimie et Biochimie Moléculaires et, Supramoléculaires; ICBMS; UMR 5246; Equipe CAtalyse, SYnthèse et ENvironnement (CASYEN); 43, bd du 11 novembre 1918 69622 Villeurbanne cedex France
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31
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Bruneau C, Fischmeister C. Alkene Metathesis for Transformations of Renewables. TOP ORGANOMETAL CHEM 2018. [DOI: 10.1007/3418_2018_18] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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32
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Ternel J, Léger B, Monflier E, Hapiot F. Amines as effective ligands in iridium-catalyzed decarbonylative dehydration of biosourced substrates. Catal Sci Technol 2018. [DOI: 10.1039/c8cy00621k] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Linear α-olefins (LAOs) and linear internal olefins (LIOs) are essential intermediates in the synthesis of surfactants, lubricants, and polymers.
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33
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Chatterjee A, Hopen Eliasson SH, Jensen VR. Selective production of linear α-olefins via catalytic deoxygenation of fatty acids and derivatives. Catal Sci Technol 2018. [DOI: 10.1039/c7cy02580g] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Various homogeneous, heterogeneous, and enzyme catalysis strategies for the selective synthesis of linear α-olefins from fatty acids and their derivatives are reviewed.
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Affiliation(s)
| | | | - Vidar R. Jensen
- Department of Chemistry
- University of Bergen
- 5007 Bergen
- Norway
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34
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Ullah A, Arshad M. Remarkably Efficient Microwave-Assisted Cross-Metathesis of Lipids under Solvent-Free Conditions. CHEMSUSCHEM 2017; 10:2167-2174. [PMID: 28247590 DOI: 10.1002/cssc.201601824] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2016] [Revised: 02/26/2017] [Indexed: 06/06/2023]
Abstract
Catalytic transformation of renewable feedstocks into fine chemicals is in high demands and olefin metathesis is a sophisticated tool for biomass conversion. Nevertheless, the large-scale viability of such processes depends on the conversion efficiency, energy efficiency, catalytic activity, selective conversion into desired products, and environmental footprint of the process. Therefore, conversions of renewables by using simple, swift, and efficient methods are desirable. A microwave-assisted ethenolysis and alkenolysis (using 1,5-hexadiene) of canola oil and methyl esters derived from canola oil (COME) and waste/recycled cooking oil (WOME) was carried out by using ruthenium-based catalytic systems. A systematic study using 1st and 2nd generation Grubbs and Hoveyda-Grubbs catalysts was carried out. Among all ruthenium catalysts, 2nd generation Hoveyda-Grubbs catalyst was found to be highly active in the range of 0.002-0.1 mol % loading. The conversions proved to be rapid providing unprecedented turnover frequencies (TOFs). High TOFs were achieved for ethenolysis of COME (21 450 min-1 ), direct ethenolysis of canola oil (19 110 min-1 ), for WOME (15 840 min-1 ) and for cross-metathesis of 1,5-hexadiene with COME (10 920 min-1 ). The ethenolysis of commercial methyl oleate was also performed with a TOF of 8000 min-1 under microwave conditions.
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Affiliation(s)
- Aman Ullah
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, T6G 2P5, Canada
| | - Muhammad Arshad
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, T6G 2P5, Canada
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35
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Santos AG, Bailey GA, dos Santos EN, Fogg DE. Overcoming Catalyst Decomposition in Acrylate Metathesis: Polyphenol Resins as Enabling Agents for PCy3-Stabilized Metathesis Catalysts. ACS Catal 2017. [DOI: 10.1021/acscatal.6b03557] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Alexandra G. Santos
- Departamento
de Química-ICEx, Universidade Federal de Minas Gerais, 31270-901 Belo Horizonte, Brazil
| | - Gwendolyn A. Bailey
- Department of Chemistry and Biomolecular Sciences, and Centre for Catalysis Research & Innovation, University of Ottawa, Ottawa, Ontario, Canada K1N 6N5
| | - Eduardo N. dos Santos
- Departamento
de Química-ICEx, Universidade Federal de Minas Gerais, 31270-901 Belo Horizonte, Brazil
| | - Deryn E. Fogg
- Department of Chemistry and Biomolecular Sciences, and Centre for Catalysis Research & Innovation, University of Ottawa, Ottawa, Ontario, Canada K1N 6N5
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36
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37
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Spekreijse J, Sanders JPM, Bitter JH, Scott EL. The Future of Ethenolysis in Biobased Chemistry. CHEMSUSCHEM 2017; 10:470-482. [PMID: 27860333 DOI: 10.1002/cssc.201601256] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2016] [Revised: 11/01/2016] [Indexed: 06/06/2023]
Abstract
The desire to utilise biobased feedstocks and develop more sustainable chemistry poses new challenges in catalysis. A synthetically useful catalytic conversion is ethenolysis, a cross metathesis reaction with ethylene. In this Review, the state of the art of ethenolysis in biobased chemistry was extensively examined using methyl oleate as a model compound for fatty acids. Allied to this, the ethenolysis of fatty acid, polymers and more challenging substrates are reviewed. To determine the limiting factors for the application of ethenolysis on biomass, the influence of reaction parameters were investigated and the bottlenecks for reaching high turnover numbers identified.
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Affiliation(s)
- Jurjen Spekreijse
- Biobased Chemistry and Technology, Wageningen University, P.O. Box 17, 6700, AA Wageningen, The Netherlands
| | - Johan P M Sanders
- Biobased Chemistry and Technology, Wageningen University, P.O. Box 17, 6700, AA Wageningen, The Netherlands
| | - Johannes H Bitter
- Biobased Chemistry and Technology, Wageningen University, P.O. Box 17, 6700, AA Wageningen, The Netherlands
| | - Elinor L Scott
- Biobased Chemistry and Technology, Wageningen University, P.O. Box 17, 6700, AA Wageningen, The Netherlands
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38
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Solola LA, Zabula AV, Dorfner WL, Manor BC, Carroll PJ, Schelter EJ. Cerium(IV) Imido Complexes: Structural, Computational, and Reactivity Studies. J Am Chem Soc 2017; 139:2435-2442. [PMID: 28076948 DOI: 10.1021/jacs.6b12369] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A series of alkali metal capped cerium(IV) imido complexes, [M(solv)x][Ce═N(3,5-(CF3)2C6H3)(TriNOx)] (M = Li, K, Rb, Cs; solv = TMEDA, THF, Et2O, or DME), was isolated and fully characterized. An X-ray structural investigation of the cerium imido complexes demonstrated the impact of the alkali metal counterions on the geometry of the [Ce═N(3,5-(CF3)2C6H3)(TriNOx)]- moiety. Substantial shortening of the Ce═N bond was observed with increasing size of the alkali metal cation. The first complex featuring an unsupported, terminal multiple bond between a Ce(IV) ion and a ligand fragment was also isolated by encapsulation of a Cs+ counterion with 2.2.2-cryptand. This complex shows the shortest recorded Ce═N bond length of 2.077(3) Å. Computational investigation of the cerium imido complexes using DFT methods showed a relatively larger contribution of the cerium 5d orbital than the 4f orbital to the Ce═N bonds. The [K(DME)2][Ce═N(3,5-(CF3)2C6H3)(TriNOx)] complex cleaves the Si-O bond in (Me3Si)2O, yielding the [(Me3SiO)CeIV(TriNOx)] adduct. The reaction of the rubidium capped imido complex with benzophenone resulted in the formation of a rare Ce(IV)-oxo complex, that was stabilized by a supramolecular, tetrameric oligomerization of the Ce═O units with rubidium cations.
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Affiliation(s)
- Lukman A Solola
- P. Roy and Diana T. Vagelos Laboratories, Department of Chemistry, University of Pennsylvania , 231 South 34th Street, Philadelphia, Pennsylvania 19104, United States
| | - Alexander V Zabula
- P. Roy and Diana T. Vagelos Laboratories, Department of Chemistry, University of Pennsylvania , 231 South 34th Street, Philadelphia, Pennsylvania 19104, United States
| | - Walter L Dorfner
- P. Roy and Diana T. Vagelos Laboratories, Department of Chemistry, University of Pennsylvania , 231 South 34th Street, Philadelphia, Pennsylvania 19104, United States
| | - Brian C Manor
- P. Roy and Diana T. Vagelos Laboratories, Department of Chemistry, University of Pennsylvania , 231 South 34th Street, Philadelphia, Pennsylvania 19104, United States
| | - Patrick J Carroll
- P. Roy and Diana T. Vagelos Laboratories, Department of Chemistry, University of Pennsylvania , 231 South 34th Street, Philadelphia, Pennsylvania 19104, United States
| | - Eric J Schelter
- P. Roy and Diana T. Vagelos Laboratories, Department of Chemistry, University of Pennsylvania , 231 South 34th Street, Philadelphia, Pennsylvania 19104, United States
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39
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Gawin R, Kozakiewicz A, Guńka PA, Dąbrowski P, Skowerski K. Bis(Cyclic Alkyl Amino Carbene) Ruthenium Complexes: A Versatile, Highly Efficient Tool for Olefin Metathesis. Angew Chem Int Ed Engl 2017; 56:981-986. [PMID: 27943616 PMCID: PMC5299612 DOI: 10.1002/anie.201609009] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2016] [Revised: 10/28/2016] [Indexed: 12/21/2022]
Abstract
The state-of-the-art in olefin metathesis is application of N-heterocyclic carbene (NHC)-containing ruthenium alkylidenes for the formation of internal C=C bonds and of cyclic alkyl amino carbene (CAAC)-containing ruthenium benzylidenes in the production of terminal olefins. A straightforward synthesis of bis(CAAC)Ru indenylidene complexes, which are highly effective in the formation of both terminal and internal C=C bonds at loadings as low as 1 ppm, is now reported.
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Affiliation(s)
- Rafał Gawin
- Apeiron Synthesis SADuńska 954-427WrocławPoland
| | - Anna Kozakiewicz
- Faculty of ChemistryUniversity of Nicolaus Copernicus in ToruńGagarina 787-100TroruńPoland
| | - Piotr A. Guńka
- Faculty of ChemistryWarsaw University of TechnologyNoakowskiego 300-664WarszawaPoland
| | - Paweł Dąbrowski
- Faculty of ChemistryWrocław University of Science and TechnologyWybrzeże Wyspiańskiego 2750-370WrocławPoland
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40
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Sytniczuk A, Kajetanowicz A, Grela K. Fishing for the right catalyst for the cross-metathesis reaction of methyl oleate with 2-methyl-2-butene. Catal Sci Technol 2017. [DOI: 10.1039/c6cy02623k] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A comparison of the reactivity of different ruthenium-based complexes in the cross-metathesis reaction of methyl oleate was presented.
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Affiliation(s)
- A. Sytniczuk
- Faculty of Chemistry
- Biological and Chemical Research Centre
- University of Warsaw
- 02-089 Warsaw
- Poland
| | - A. Kajetanowicz
- Institute of Organic Chemistry
- Polish Academy of Sciences
- 01-224 Warsaw
- Poland
| | - K. Grela
- Faculty of Chemistry
- Biological and Chemical Research Centre
- University of Warsaw
- 02-089 Warsaw
- Poland
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41
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Gawin R, Kozakiewicz A, Guńka PA, Dąbrowski P, Skowerski K. Bis(Cyclic Alkyl Amino Carbene) Ruthenium Complexes: A Versatile, Highly Efficient Tool for Olefin Metathesis. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201609009] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Rafał Gawin
- Apeiron Synthesis SA; Duńska 9 54-427 Wrocław Poland
| | - Anna Kozakiewicz
- Faculty of Chemistry; University of Nicolaus Copernicus in Toruń; Gagarina 7 87-100 Troruń Poland
| | - Piotr A. Guńka
- Faculty of Chemistry; Warsaw University of Technology; Noakowskiego 3 00-664 Warszawa Poland
| | - Paweł Dąbrowski
- Faculty of Chemistry; Wrocław University of Science and Technology; Wybrzeże Wyspiańskiego 27 50-370 Wrocław Poland
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42
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Dewaele A, Verpoort F, Sels B. Opportunities of Immobilized Homogeneous Metathesis Complexes as Prominent Heterogeneous Catalysts. ChemCatChem 2016. [DOI: 10.1002/cctc.201600591] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Annelies Dewaele
- Center for Surface Chemistry and Catalysis; KU Leuven; Celestijnenlaan 200F 3001 Heverlee Belgium
| | - Francis Verpoort
- Laboratory of Organometallics, Catalysis and Ordered Materials, State Key Laboratory of Advanced Technology for Materials Synthesis and Processing; Wuhan University of Technology; Wuhan P.R. China
- National Research Tomsk Polytechnic University; Lenin Avenue 30 634050 Tomsk Russian Federation
- Center for Energy and Environmental Research; Ghent University Global Campus Songdo; 119 Songdomunhwa-Ro Yeonsu-Gu Incheon 406-840 South Korea
| | - Bert Sels
- Center for Surface Chemistry and Catalysis; KU Leuven; Celestijnenlaan 200F 3001 Heverlee Belgium
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43
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Bidange J, Fischmeister C, Bruneau C. Ethenolysis: A Green Catalytic Tool to Cleave Carbon-Carbon Double Bonds. Chemistry 2016; 22:12226-44. [PMID: 27359344 DOI: 10.1002/chem.201601052] [Citation(s) in RCA: 85] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2016] [Indexed: 11/08/2022]
Abstract
Remarkable innovations have been made in the field of olefin metathesis due to the design and preparation of new catalysts. Ethenolysis, which is cross-metathesis with ethylene, represents one catalytic transformation that has been used with the purpose of cleaving internal carbon-carbon double bonds. The objectives were either the ring opening of cyclic olefins to produce dienes or the shortening of unsaturated hydrocarbon chains to degrade polymers or generate valuable shorter terminal olefins in a controlled manner. This Review summarizes several aspects of this reaction: the catalysts, their degradation in the presence of ethylene, some parameters driving their productivity, the side reactions, and the applications of ethenolysis in organic synthesis and in potential industrial applications.
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Affiliation(s)
- Johan Bidange
- UMR 6226, CNRS, Université de Rennes 1, Institut des Sciences Chimiques de Rennes, Organometallics, Materials and Catalysis, Centre for Catalysis and Green Chemistry, Campus de Beaulieu, 263 avenue du général Leclerc, 35042, Rennes Cedex, France
| | - Cédric Fischmeister
- UMR 6226, CNRS, Université de Rennes 1, Institut des Sciences Chimiques de Rennes, Organometallics, Materials and Catalysis, Centre for Catalysis and Green Chemistry, Campus de Beaulieu, 263 avenue du général Leclerc, 35042, Rennes Cedex, France
| | - Christian Bruneau
- UMR 6226, CNRS, Université de Rennes 1, Institut des Sciences Chimiques de Rennes, Organometallics, Materials and Catalysis, Centre for Catalysis and Green Chemistry, Campus de Beaulieu, 263 avenue du général Leclerc, 35042, Rennes Cedex, France.
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44
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Alexander KA, Paulhus EA, Lazarus GM, Leadbeater NE. Exploring the reactivity of a ruthenium complex in the metathesis of biorenewable feedstocks to generate value-added chemicals. J Organomet Chem 2016. [DOI: 10.1016/j.jorganchem.2015.09.018] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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45
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Stempfle F, Ortmann P, Mecking S. Long-Chain Aliphatic Polymers To Bridge the Gap between Semicrystalline Polyolefins and Traditional Polycondensates. Chem Rev 2016; 116:4597-641. [DOI: 10.1021/acs.chemrev.5b00705] [Citation(s) in RCA: 166] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Florian Stempfle
- Chair of
Chemical Materials
Science, Department of Chemistry, University of Konstanz, Universitätsstrasse
10, D-78457 Konstanz, Germany
| | - Patrick Ortmann
- Chair of
Chemical Materials
Science, Department of Chemistry, University of Konstanz, Universitätsstrasse
10, D-78457 Konstanz, Germany
| | - Stefan Mecking
- Chair of
Chemical Materials
Science, Department of Chemistry, University of Konstanz, Universitätsstrasse
10, D-78457 Konstanz, Germany
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46
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Engl PS, Fedorov A, Copéret C, Togni A. N-Trifluoromethyl NHC Ligands Provide Selective Ruthenium Metathesis Catalysts. Organometallics 2016. [DOI: 10.1021/acs.organomet.6b00028] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Pascal S. Engl
- Department
of Chemistry and
Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 2, CH-8093 Zürich, Switzerland
| | - Alexey Fedorov
- Department
of Chemistry and
Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 2, CH-8093 Zürich, Switzerland
| | - Christophe Copéret
- Department
of Chemistry and
Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 2, CH-8093 Zürich, Switzerland
| | - Antonio Togni
- Department
of Chemistry and
Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 2, CH-8093 Zürich, Switzerland
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47
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Higman CS, Lummiss JAM, Fogg DE. Olefinmetathese als aufstrebende Methode zur Herstellung von Pharmazeutika und Spezialchemikalien. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201506846] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Carolyn S. Higman
- Chemistry Department, Center for Catalysis Research & Innovation; University of Ottawa; Ottawa ON K1N 6N5 Kanada
| | - Justin A. M. Lummiss
- Chemistry Department, Center for Catalysis Research & Innovation; University of Ottawa; Ottawa ON K1N 6N5 Kanada
| | - Deryn E. Fogg
- Chemistry Department, Center for Catalysis Research & Innovation; University of Ottawa; Ottawa ON K1N 6N5 Kanada
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48
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Higman CS, Lummiss JAM, Fogg DE. Olefin Metathesis at the Dawn of Implementation in Pharmaceutical and Specialty-Chemicals Manufacturing. Angew Chem Int Ed Engl 2016; 55:3552-65. [DOI: 10.1002/anie.201506846] [Citation(s) in RCA: 202] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2015] [Revised: 11/16/2015] [Indexed: 01/30/2023]
Affiliation(s)
- Carolyn S. Higman
- Chemistry Department; Center for Catalysis Research & Innovation; University of Ottawa; Ottawa ON K1N 6N5 Canada
| | - Justin A. M. Lummiss
- Chemistry Department; Center for Catalysis Research & Innovation; University of Ottawa; Ottawa ON K1N 6N5 Canada
| | - Deryn E. Fogg
- Chemistry Department; Center for Catalysis Research & Innovation; University of Ottawa; Ottawa ON K1N 6N5 Canada
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49
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Awang NW, Tsutsumi K, Huštáková B, Yusoff SFM, Nomura K, Yamin BM. Cross metathesis of methyl oleate (MO) with terminal, internal olefins by ruthenium catalysts: factors affecting the efficient MO conversion and the selectivity. RSC Adv 2016. [DOI: 10.1039/c6ra24200f] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Cross metathesis (CM) of methyl oleate (MO) with cis-4-octene, cis-stilbene, allyltrimethylsilane by RuCl2(PCy3)(IMesH2)(CHPh) yielded CM products with high MO conversion, high selectivity; the effect of olefin substituents, conditions was explored.
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Affiliation(s)
- Nor Wahida Awang
- Department of Chemistry
- Faculty of Science and Engineering
- Tokyo Metropolitan University
- Tokyo 192-0397
- Japan
| | - Ken Tsutsumi
- Department of Chemistry
- Faculty of Science and Engineering
- Tokyo Metropolitan University
- Tokyo 192-0397
- Japan
| | - Barbora Huštáková
- Department of Chemistry
- Faculty of Science and Engineering
- Tokyo Metropolitan University
- Tokyo 192-0397
- Japan
| | - Siti Fairus M. Yusoff
- School of Chemical Sciences and Food Technology
- Faculty of Science and Technology
- Universiti Kebangsaan Malaysia
- UKM Bangi
- Malaysia
| | - Kotohiro Nomura
- Department of Chemistry
- Faculty of Science and Engineering
- Tokyo Metropolitan University
- Tokyo 192-0397
- Japan
| | - Bohari M. Yamin
- School of Chemical Sciences and Food Technology
- Faculty of Science and Technology
- Universiti Kebangsaan Malaysia
- UKM Bangi
- Malaysia
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50
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Dewaele A, Renders T, Yu B, Verpoort F, Sels BF. Depolymerization of 1,4-polybutadiene by metathesis: high yield of large macrocyclic oligo(butadiene)s by ligand selectivity control. Catal Sci Technol 2016. [DOI: 10.1039/c6cy00933f] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Herein, we demonstrate a practical high yield preparation of large macrocyclic oligo(butadiene)s, preferably the C16 to C44 fraction, from commercial 1,4-polybutadiene by exploring intramolecular backbiting using a series of commercially available Ru catalysts.
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Affiliation(s)
- Annelies Dewaele
- Center for Surface Science and Catalysis
- KU Leuven
- 3001 Heverlee
- Belgium
| | - Tom Renders
- Center for Surface Science and Catalysis
- KU Leuven
- 3001 Heverlee
- Belgium
| | - Baoyi Yu
- Department of Inorganic and Physical Chemistry
- Universiteit Gent
- 9000 Gent
- Belgium
| | - Francis Verpoort
- Department of Inorganic and Physical Chemistry
- Universiteit Gent
- 9000 Gent
- Belgium
- Laboratory of Organometallics
| | - Bert F. Sels
- Center for Surface Science and Catalysis
- KU Leuven
- 3001 Heverlee
- Belgium
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