1
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Singh T, Chakraborty S. Molybdenum-catalyzed hydrogenation of carbon dioxide, bicarbonate, and inorganic carbonates to formates. Dalton Trans 2024; 53:10244-10249. [PMID: 38829152 DOI: 10.1039/d4dt00916a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2024]
Abstract
Herein, we report the hydrogenation of carbon dioxide to sodium formate catalyzed by low-valent molybdenum phosphine complexes. The 1,3-bis(diphenylphosphino)propane (DPPP)-based Mo complex was found to be an efficient catalyst in the presence of NaOH affording formate with a TON of 975 at 130 °C in THF/H2O after 24 h utilizing 40 bar (CO2 : H2 = 10 : 30) pressure. The complex was also active in the hydrogenation of sodium bicarbonate and inorganic carbonates to the corresponding formates. Mechanistic investigation revealed that the reaction proceeded via an intermediate formato complex.
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Affiliation(s)
- Tushar Singh
- Department of Chemistry, Indian Institute of Technology Jodhpur, Karwar, Jodhpur, 342037, Rajasthan, India.
| | - Subrata Chakraborty
- Department of Chemistry, Indian Institute of Technology Jodhpur, Karwar, Jodhpur, 342037, Rajasthan, India.
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2
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Rubel CZ, Ravn AK, Ho HC, Yang S, Li ZQ, Engle KM, Vantourout JC. Stereodivergent, Kinetically Controlled Isomerization of Terminal Alkenes via Nickel Catalysis. Angew Chem Int Ed Engl 2024; 63:e202320081. [PMID: 38494945 DOI: 10.1002/anie.202320081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 03/05/2024] [Accepted: 03/17/2024] [Indexed: 03/19/2024]
Abstract
Because internal alkenes are more challenging synthetic targets than terminal alkenes, metal-catalyzed olefin mono-transposition (i.e., positional isomerization) approaches have emerged to afford valuable E- or Z- internal alkenes from their complementary terminal alkene feedstocks. However, the applicability of these methods has been hampered by lack of generality, commercial availability of precatalysts, and scalability. Here, we report a nickel-catalyzed platform for the stereodivergent E/Z-selective synthesis of internal alkenes at room temperature. Commercial reagents enable this one-carbon transposition of terminal alkenes to valuable E- or Z-internal alkenes via a Ni-H-mediated insertion/elimination mechanism. Though the mechanistic regime is the same in both systems, the underlying pathways that lead to each of the active catalysts are distinct, with the Z-selective catalyst forming from comproportionation of an oxidative addition complex followed by oxidative addition with substrate and the E-selective catalyst forming from protonation of the metal by the trialkylphosphonium salt additive. In each case, ligand sterics and denticity control stereochemistry and prevent over-isomerization.
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Affiliation(s)
- Camille Z Rubel
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA 92037, USA
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires (ICMBS, UMR 5246 du CNRS), Université Lyon, Université Lyon 1, 1 rue Victor Grignard, 69100, Villeurbanne, France
| | - Anne K Ravn
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA 92037, USA
| | - Hang Chi Ho
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA 92037, USA
| | - Shenghua Yang
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA 92037, USA
| | - Zi-Qi Li
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA 92037, USA
| | - Keary M Engle
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, CA 92037, USA
| | - Julien C Vantourout
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires (ICMBS, UMR 5246 du CNRS), Université Lyon, Université Lyon 1, 1 rue Victor Grignard, 69100, Villeurbanne, France
- Syngenta Crop Protection AG, Schaffauserstrasse, 4332, Stein, Switzerland
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3
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Zhong J, Wang X, Luo M, Zeng X. Chromium-Catalyzed Alkene Isomerization with Switchable Selectivity. Org Lett 2024; 26:3124-3129. [PMID: 38592221 DOI: 10.1021/acs.orglett.4c00737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/10/2024]
Abstract
We report a single additive-responsive chromium-catalyzed system for selectively producing either of two different internal alkene isomers. The chromium catalyst, in the presence of HBpin/LiOtBu, enables the isomerization of alkenes over multiple carbon atoms to give the most thermodynamically stable isomers. The same catalyst allows for the selective isomerization of terminal alkenes over one carbon atom without an additive, exhibiting efficient and controllable alkene transposition selectivity.
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Affiliation(s)
- Jiaoyue Zhong
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, China
| | - Xuelan Wang
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, China
| | - Meiming Luo
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, China
| | - Xiaoming Zeng
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, China
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4
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Kustiana BA, Melen RL, Morrill LC. One-Pot Synthesis of Styrene Derivatives from Allyl Silanes via B(C 6F 5) 3-Catalyzed Isomerization–Hiyama Coupling. Org Lett 2022; 24:8694-8697. [DOI: 10.1021/acs.orglett.2c03584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Affiliation(s)
- Betty A. Kustiana
- Cardiff Catalysis Institute, School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, U.K
| | - Rebecca L. Melen
- Cardiff Catalysis Institute, School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, U.K
| | - Louis C. Morrill
- Cardiff Catalysis Institute, School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, U.K
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5
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Ge Q, Meng J, Liu H, Yang Z, Wu Z, Zhang W. Palladium‐catalyzed long‐range isomerization of aryl olefins. CHINESE J CHEM 2022. [DOI: 10.1002/cjoc.202200254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Qianyi Ge
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Institute of Pharmacy & Pharmacology School of Pharmaceutical Science, Hengyang Medical School University of South China Hengyang Hunan 421001 China
| | - Jingjie Meng
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, Frontiers Science Center for Transformative Molecules School of Chemistry and Chemical Engineering Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 China
| | - Huikang Liu
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, Frontiers Science Center for Transformative Molecules School of Chemistry and Chemical Engineering Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 China
| | - Zehua Yang
- Hunan Provincial Key Laboratory of Tumor Microenvironment Responsive Drug Research, Institute of Pharmacy & Pharmacology School of Pharmaceutical Science, Hengyang Medical School University of South China Hengyang Hunan 421001 China
| | - Zhengxing Wu
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, Frontiers Science Center for Transformative Molecules School of Chemistry and Chemical Engineering Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 China
| | - Wanbin Zhang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, Frontiers Science Center for Transformative Molecules School of Chemistry and Chemical Engineering Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 China
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6
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Hu X, He J, Zhang Y, Zhou J, Yu J. Highly Stereoselective Positional Isomerization of Styrenes
via
Acid‐Catalyzed
Carbocation Mechanism. CHINESE J CHEM 2021. [DOI: 10.1002/cjoc.202100218] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Xiao‐Si Hu
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University 3663N Zhongshan Road Shanghai 200062 China
| | - Jun‐Xiong He
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University 3663N Zhongshan Road Shanghai 200062 China
| | - Ying Zhang
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University 3663N Zhongshan Road Shanghai 200062 China
| | - Jian Zhou
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University 3663N Zhongshan Road Shanghai 200062 China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences Shanghai 200032 China
| | - Jin‐Sheng Yu
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University 3663N Zhongshan Road Shanghai 200062 China
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7
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Xu S, Geng P, Li Y, Liu G, Zhang L, Guo Y, Huang Z. Pincer Iron Hydride Complexes for Alkene Isomerization: Catalytic Approach to Trisubstituted ( Z)-Alkenyl Boronates. ACS Catal 2021. [DOI: 10.1021/acscatal.1c02432] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Songgen Xu
- The State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Peiyu Geng
- The State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Yuling Li
- The State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Guixia Liu
- The State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
- Chang-Kung Chuang Institute, East China Normal University, Shanghai 200062, China
| | - Lei Zhang
- School of Chemistry and Material Sciences, Hangzhou Institute of Advanced Study, University of Chinese Academy of Sciences, 1 Sub-lane Xiangshan, Hangzhou 310024, China
| | - Yinlong Guo
- The State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Zheng Huang
- The State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
- School of Chemistry and Material Sciences, Hangzhou Institute of Advanced Study, University of Chinese Academy of Sciences, 1 Sub-lane Xiangshan, Hangzhou 310024, China
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8
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Pandya C, Panicker RR, Senjaliya P, Hareendran MH, Anju P, Sarkar S, Bhat H, Jha PC, Rao KP, Smith GS, Sivaramakrishna A. Designing and synthesis of phosphine derivatives of Ru3(CO)12 – Studies on catalytic isomerization of 1-alkenes. Inorganica Chim Acta 2021. [DOI: 10.1016/j.ica.2020.120211] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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9
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Kim D, Pillon G, DiPrimio DJ, Holland PL. Highly Z-Selective Double Bond Transposition in Simple Alkenes and Allylarenes through a Spin-Accelerated Allyl Mechanism. J Am Chem Soc 2021; 143:3070-3074. [DOI: 10.1021/jacs.1c00856] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Daniel Kim
- Department of Chemistry, Yale University, 225 Prospect Street, New Haven, Connecticut 06520, United States
| | - Guy Pillon
- Department of Chemistry, Yale University, 225 Prospect Street, New Haven, Connecticut 06520, United States
| | - Daniel J. DiPrimio
- Department of Chemistry, Yale University, 225 Prospect Street, New Haven, Connecticut 06520, United States
| | - Patrick L. Holland
- Department of Chemistry, Yale University, 225 Prospect Street, New Haven, Connecticut 06520, United States
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10
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Camp AM, Kita MR, Blackburn PT, Dodge HM, Chen CH, Miller AJM. Selecting Double Bond Positions with a Single Cation-Responsive Iridium Olefin Isomerization Catalyst. J Am Chem Soc 2021; 143:2792-2800. [DOI: 10.1021/jacs.0c11601] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Andrew M. Camp
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599−3290, United States
| | - Matthew R. Kita
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599−3290, United States
| | - P. Thomas Blackburn
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599−3290, United States
| | - Henry M. Dodge
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599−3290, United States
| | - Chun-Hsing Chen
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599−3290, United States
| | - Alexander J. M. Miller
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599−3290, United States
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11
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Cao TC, Cooksy AL, Grotjahn DB. Origins of High Kinetic ( E)-Selectivity in Alkene Isomerization by a CpRu(PN) Catalyst: a Combined Experimental and Computational Approach. ACS Catal 2020. [DOI: 10.1021/acscatal.0c03497] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Thomas C. Cao
- Department of Chemistry and Biochemistry, San Diego State University, 5500 Campanile Drive, San Diego, California 92182-1030, United States
| | - Andrew L. Cooksy
- Department of Chemistry and Biochemistry, San Diego State University, 5500 Campanile Drive, San Diego, California 92182-1030, United States
| | - Douglas B. Grotjahn
- Department of Chemistry and Biochemistry, San Diego State University, 5500 Campanile Drive, San Diego, California 92182-1030, United States
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12
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De‐Botton S, Filippov DOA, Shubina ES, Belkova NV, Gelman D. Regioselective Isomerization of Terminal Alkenes Catalyzed by a PC(sp
3
)Pincer Complex with a Hemilabile Pendant Arm. ChemCatChem 2020. [DOI: 10.1002/cctc.202001308] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Sophie De‐Botton
- Institute of Chemistry, Edmond J. Safra Campus The Hebrew University of Jerusalem Jerusalem 91904 Israel
| | - D.Sc. Oleg A. Filippov
- A.N. Nesmeyanov Institute of Organoelement Compounds Russian Academy of Sciences Vavilov Street 28 119991 Moscow Russia
| | - Elena S. Shubina
- A.N. Nesmeyanov Institute of Organoelement Compounds Russian Academy of Sciences Vavilov Street 28 119991 Moscow Russia
| | - Natalia V. Belkova
- A.N. Nesmeyanov Institute of Organoelement Compounds Russian Academy of Sciences Vavilov Street 28 119991 Moscow Russia
| | - Dmitri Gelman
- Institute of Chemistry, Edmond J. Safra Campus The Hebrew University of Jerusalem Jerusalem 91904 Israel
- Peoples' Friendship University of Russia (RUDN University) Miklukho-Maklay St., 6 117198 Moscow Russia
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13
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Jarvis JS, Harrhy JH, Wang A, Bere T, Morgan DJ, Carter JH, Howe AGR, He Q, Hutchings GJ, Song H. Inhibiting the Dealkylation of Basic Arenes during n-Alkane Direct Aromatization Reactions and Understanding the C6 Ring Closure Mechanism. ACS Catal 2020. [DOI: 10.1021/acscatal.0c02361] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Jack S. Jarvis
- Department of Chemical and Petroleum Engineering, University of Calgary, 2500 University Drive NW, Calgary, Alberta T2N 1N4, Canada
| | - Jonathan H. Harrhy
- Department of Chemical and Petroleum Engineering, University of Calgary, 2500 University Drive NW, Calgary, Alberta T2N 1N4, Canada
| | - Aiguo Wang
- Department of Chemical and Petroleum Engineering, University of Calgary, 2500 University Drive NW, Calgary, Alberta T2N 1N4, Canada
| | - Takudzwa Bere
- Cardiff Catalysis Institute, Department School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, U.K
| | - David J. Morgan
- Cardiff Catalysis Institute, Department School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, U.K
| | - James H. Carter
- Cardiff Catalysis Institute, Department School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, U.K
| | - Alexander G. R. Howe
- Department of Materials Science and Engineering, National University of Singapore, 9 Engineering Drive 1, Block EA #03-09, 117575, Singapore
| | - Qian He
- Department of Materials Science and Engineering, National University of Singapore, 9 Engineering Drive 1, Block EA #03-09, 117575, Singapore
| | - Graham J. Hutchings
- Cardiff Catalysis Institute, Department School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, U.K
| | - Hua Song
- Department of Chemical and Petroleum Engineering, University of Calgary, 2500 University Drive NW, Calgary, Alberta T2N 1N4, Canada
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14
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Poitiers NE, Giarrana L, Huch V, Zimmer M, Scheschkewitz D. Exohedral functionalization vs. core expansion of siliconoids with Group 9 metals: catalytic activity in alkene isomerization. Chem Sci 2020; 11:7782-7788. [PMID: 34094151 PMCID: PMC8163246 DOI: 10.1039/d0sc02861d] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Taking advantage of pendant tetrylene side-arms, stable unsaturated Si6 silicon clusters (siliconoids) with the benzpolarene motif (the energetic counterpart of benzene in silicon chemistry) are successfully employed as ligands towards Group 9 metals. The pronounced σ-donating properties of the tetrylene moieties allow for sequential oxidative addition and reductive elimination events without complete dissociation of the ligand at any stage. In this manner, either covalently linked or core-expanded metallasiliconoids are obtained. [Rh(CO)2Cl]2 inserts into an endohedral Si–Si bond of the silylene-functionalized hexasilabenzpolarene leading to an unprecedented coordination sphere of the Rh centre with five silicon atoms in the initial product, which is subsequentially converted to a simpler derivative under reconstruction of the Si6 benzpolarene motif. In the case of [Ir(cod)Cl]2 (cod = 1,5-cyclooctadiene) a similar Si–Si insertion leads to the contraction of the Si6 cluster core with concomitant transfer of a chlorine atom to a silicon vertex generating an exohedral chlorosilyl group. Metallasiliconoids are employed in the isomerization of terminal alkenes to 2-alkenes as a catalytic benchmark reaction, which proceeds with competitive selectivities and reaction rates in the case of iridium complexes. Unprecedented metallasiliconoids are accessible from a silylene-substituted Si6 siliconoid and Group 9 metal fragments. The isomerization of terminal alkenes to 2-alkenes is competitively catalyzed by these species ( = silicon).![]()
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Affiliation(s)
- Nadine E Poitiers
- Krupp Chair of General and Inorganic Chemistry, Saarland University D-66123 Saarbrücken Germany
| | - Luisa Giarrana
- Krupp Chair of General and Inorganic Chemistry, Saarland University D-66123 Saarbrücken Germany
| | - Volker Huch
- Krupp Chair of General and Inorganic Chemistry, Saarland University D-66123 Saarbrücken Germany
| | - Michael Zimmer
- Krupp Chair of General and Inorganic Chemistry, Saarland University D-66123 Saarbrücken Germany
| | - David Scheschkewitz
- Krupp Chair of General and Inorganic Chemistry, Saarland University D-66123 Saarbrücken Germany
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15
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Gao W, Zhang X, Xie X, Ding S. One simple Ir/hydrosilane catalytic system for chemoselective isomerization of 2-substituted allylic ethers. Chem Commun (Camb) 2020; 56:2012-2015. [PMID: 31961351 DOI: 10.1039/c9cc09055j] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Here, we describe one simple Ir/hydrosilane catalytic system for chemoselective isomerization of 2-substituted allylic ethers. This facile strategy shows high efficiency towards a variety of substrates, including derivatives from bioactive molecules. The substituent at the α position of the olefins is supposed to be critical in retarding the alkene hydrosilylation process and leading the reaction to go through the isomerization pathway.
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Affiliation(s)
- Weiwei Gao
- State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, China.
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16
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Ren W, Sun F, Chu J, Shi Y. A Pd-Catalyzed Site-Controlled Isomerization of Terminal Olefins. Org Lett 2020; 22:1868-1873. [DOI: 10.1021/acs.orglett.0c00168] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Wenlong Ren
- Institute of Natural and Synthetic Organic Chemistry, Changzhou University, Changzhou 213164, China
| | - Fei Sun
- Institute of Natural and Synthetic Organic Chemistry, Changzhou University, Changzhou 213164, China
| | - Jianxiao Chu
- Institute of Natural and Synthetic Organic Chemistry, Changzhou University, Changzhou 213164, China
| | - Yian Shi
- Institute of Natural and Synthetic Organic Chemistry, Changzhou University, Changzhou 213164, China
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, United States
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17
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Affiliation(s)
- Jiajin Zhao
- Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Biao Cheng
- Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Chenhui Chen
- Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Zhan Lu
- Department of Chemistry, Zhejiang University, Hangzhou 310058, China
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18
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Azpíroz R, Di Giuseppe A, Urriolabeitia A, Passarelli V, Polo V, Pérez-Torrente JJ, Oro LA, Castarlenas R. Hydride–Rhodium(III)-N-Heterocyclic Carbene Catalyst for Tandem Alkylation/Alkenylation via C–H Activation. ACS Catal 2019. [DOI: 10.1021/acscatal.9b01233] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Ramón Azpíroz
- Departamento de Química Inorgánica − Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), Universidad de Zaragoza − CSIC, C/ Pedro Cerbuna 12, 50009 Zaragoza, Spain
| | - Andrea Di Giuseppe
- Departamento de Química Inorgánica − Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), Universidad de Zaragoza − CSIC, C/ Pedro Cerbuna 12, 50009 Zaragoza, Spain
| | - Asier Urriolabeitia
- Departamento de Química Física, Universidad de Zaragoza, C/ Pedro Cerbuna 12, 50009 Zaragoza, Spain
| | - Vincenzo Passarelli
- Departamento de Química Inorgánica − Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), Universidad de Zaragoza − CSIC, C/ Pedro Cerbuna 12, 50009 Zaragoza, Spain
- Centro Universitario de la Defensa, Ctra Huesca S/N, 50090 Zaragoza, Spain
| | - Victor Polo
- Departamento de Química Física, Universidad de Zaragoza, C/ Pedro Cerbuna 12, 50009 Zaragoza, Spain
| | - Jesús J. Pérez-Torrente
- Departamento de Química Inorgánica − Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), Universidad de Zaragoza − CSIC, C/ Pedro Cerbuna 12, 50009 Zaragoza, Spain
| | - Luis A. Oro
- Departamento de Química Inorgánica − Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), Universidad de Zaragoza − CSIC, C/ Pedro Cerbuna 12, 50009 Zaragoza, Spain
| | - Ricardo Castarlenas
- Departamento de Química Inorgánica − Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), Universidad de Zaragoza − CSIC, C/ Pedro Cerbuna 12, 50009 Zaragoza, Spain
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19
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Simon I, Hornung J, Barthel J, Thomas J, Finze M, Fischer RA, Janiak C. Synthesis of nickel/gallium nanoalloys using a dual-source approach in 1-alkyl-3-methylimidazole ionic liquids. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2019; 10:1754-1767. [PMID: 31501747 PMCID: PMC6720474 DOI: 10.3762/bjnano.10.171] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Accepted: 07/24/2019] [Indexed: 06/10/2023]
Abstract
NiGa is a catalyst for the semihydrogenation of alkynes. Here we show the influence of different dispersion times before microwave-induced decomposition of the precursors on the phase purity, as well as the influence of the time of microwave-induced decomposition on the crystallinity of the NiGa nanoparticles. Microwave-induced co-decomposition of all-hydrocarbon precursors [Ni(COD)2] (COD = 1,5-cyclooctadiene) and GaCp* (Cp* = pentamethylcyclopentadienyl) in the ionic liquid [BMIm][NTf2] selectively yields small intermetallic Ni/Ga nanocrystals of 5 ± 1 nm as derived from transmission electron microscopy (TEM) and high-angle annular dark-field scanning transmission electron microscopy (HAADF-STEM) and supported by energy-dispersive X-ray spectrometry (EDX), selected-area energy diffraction (SAED) and X-ray photoelectron spectroscopy (XPS). NiGa@[BMIm][NTf2] catalyze the semihydrogenation of 4-octyne to 4-octene with 100% selectivity towards (E)-4-octene over five runs, but with poor conversion values. IL-free, precipitated NiGa nanoparticles achieve conversion values of over 90% and selectivity of 100% towards alkene over three runs.
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Affiliation(s)
- Ilka Simon
- Institut für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität Düsseldorf, 40204 Düsseldorf, Germany
| | - Julius Hornung
- Lehrstuhl für Anorganische und Metallorganische Chemie TU München, Lichtenbergstr. 4, 85748 Garching, Germany
| | - Juri Barthel
- Gemeinschaftslabor für Elektronenmikroskopie RWTH-Aachen, Ernst Ruska-Centrum für Mikroskopie und Spektroskopie mit Elektronen, 52425 Jülich, Germany
| | - Jörg Thomas
- Department Structure and Nano-/Micromechanics of Materials, Max-Planck-Institut für Eisenforschung GmbH, 40237 Düsseldorf, Germany
| | - Maik Finze
- Institut für Anorganische Chemie, Institut für nachhaltige Chemie & Katalyse mit Bor (ICB), Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Roland A Fischer
- Lehrstuhl für Anorganische und Metallorganische Chemie TU München, Lichtenbergstr. 4, 85748 Garching, Germany
| | - Christoph Janiak
- Institut für Anorganische Chemie und Strukturchemie, Heinrich-Heine-Universität Düsseldorf, 40204 Düsseldorf, Germany
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20
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Molloy JJ, Morack T, Gilmour R. Positional and Geometrical Isomerisation of Alkenes: The Pinnacle of Atom Economy. Angew Chem Int Ed Engl 2019; 58:13654-13664. [PMID: 31233259 DOI: 10.1002/anie.201906124] [Citation(s) in RCA: 167] [Impact Index Per Article: 33.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Indexed: 12/13/2022]
Abstract
Strategies to achieve spatiotemporal regulation of pre-existing alkenes via external stimuli are essential given the ubiquity of feedstock olefins in chemistry and their downstream applications. Mirroring the 1-0 switch that underpins mammalian vision through selective geometric isomerisation in retinal, strategies to manipulate 2D space by both geometric and positional isomerisation of alkenes via chemical, thermal and light-driven processes are being intensively pursued. This minireview highlights the current state of the art in activating and achieving directionality in these fundamental chemical transformations.
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Affiliation(s)
- John J Molloy
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149, Münster, Germany
| | - Tobias Morack
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149, Münster, Germany
| | - Ryan Gilmour
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität Münster, Corrensstraße 40, 48149, Münster, Germany
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21
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Molloy JJ, Morack T, Gilmour R. Positionelle und geometrische Isomerisierung von Alkenen: der Gipfel der Atomökonomie. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201906124] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- John J. Molloy
- Organisch-Chemisches InstitutWestfälische Wilhelms-Universität Münster Corrensstraße 40 48149 Münster Deutschland
| | - Tobias Morack
- Organisch-Chemisches InstitutWestfälische Wilhelms-Universität Münster Corrensstraße 40 48149 Münster Deutschland
| | - Ryan Gilmour
- Organisch-Chemisches InstitutWestfälische Wilhelms-Universität Münster Corrensstraße 40 48149 Münster Deutschland
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22
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Dziedzic RM, Axtell JC, Rheingold AL, Spokoyny AM. Off-Cycle Processes in Pd-Catalyzed Cross-Coupling of Carboranes. Org Process Res Dev 2019; 23:1638-1645. [PMID: 33776400 DOI: 10.1021/acs.oprd.9b00257] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Off-cycle processes in catalytic reactions can dramatically influence the outcome of the chemical transformation and affect its yield, selectivity, rate, and product distribution. While the generation of off-cycle intermediates can complicate reaction coordinate analyses or hamper catalytic efficiency, the generation of such species may also open new routes to unique chemical products. Recently, we reported the Pd-mediated functionalization of carboranes with a range of O-, N-, and C-based nucleophiles. By utilizing a Pd-based catalytic system supported by a biaryl phosphine ligand developed by Buchwald and co-workers, we discovered an off-cycle isomerization process ("cage-walking") that generates four regioisomeric products from a single halogenated boron cluster isomer. Here we describe how several off-cycle processes affect the regioisomer yield and distribution during Pd-catalyzed tandem cage-walking/cross-coupling. In particular, tuning the transmetallation step in the catalytic cycle allowed us to incorporate the cage-walking process into Pd-catalyzed cross-coupling of sterically unencumbered substrates, including cyanide. This work demonstrates the feasibility of using tandem cage-walking/cross-coupling as a unique low-temperature method for producing regioisomers of mono-substituted carboranes.
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Affiliation(s)
- Rafal M Dziedzic
- Department of Chemistry and Biochemistry, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, CA 90095, United States
| | - Jonathan C Axtell
- Department of Chemistry and Biochemistry, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, CA 90095, United States
| | - Arnold L Rheingold
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093, United States
| | - Alexander M Spokoyny
- Department of Chemistry and Biochemistry, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, CA 90095, United States.,California NanoSystems Institute (CNSI), University of California, Los Angeles, 570 Westwood Plaza, Los Angeles, CA 90095, United States
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23
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Paulson ER, Moore CE, Rheingold AL, Pullman DP, Sindewald RW, Cooksy AL, Grotjahn DB. Dynamic π-Bonding of Imidazolyl Substituent in a Formally 16-Electron Cp*Ru(κ2-P,N)+ Catalyst Allows Dramatic Rate Increases in (E)-Selective Monoisomerization of Alkenes. ACS Catal 2019. [DOI: 10.1021/acscatal.8b04345] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Erik R. Paulson
- Department of Chemistry and Biochemistry, San Diego State University, 5500 Campanile Drive, San Diego, California 92182-1030, United States
| | - Curtis E. Moore
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
| | - Arnold L. Rheingold
- Department of Chemistry and Biochemistry, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093, United States
| | - David P. Pullman
- Department of Chemistry and Biochemistry, San Diego State University, 5500 Campanile Drive, San Diego, California 92182-1030, United States
| | - Ryan W. Sindewald
- Department of Chemistry and Biochemistry, San Diego State University, 5500 Campanile Drive, San Diego, California 92182-1030, United States
| | - Andrew L. Cooksy
- Department of Chemistry and Biochemistry, San Diego State University, 5500 Campanile Drive, San Diego, California 92182-1030, United States
| | - Douglas B. Grotjahn
- Department of Chemistry and Biochemistry, San Diego State University, 5500 Campanile Drive, San Diego, California 92182-1030, United States
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Whiteker GT, Li F, Froese RDJ, Tulchinsky ML, Hazari A, Klosin J. XL-Xantphos: Design and Synthesis of a Mechanistic Probe of Xantphos O-Coordination in Catalytic Reactions. Organometallics 2019. [DOI: 10.1021/acs.organomet.9b00141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Gregory T. Whiteker
- Process Chemistry, Corteva Agriscience, Agriculture Division of DowDuPont, 9330 Zionsville Road, Indianapolis, Indiana 46268, United States
| | - Fangzheng Li
- Process Chemistry, Corteva Agriscience, Agriculture Division of DowDuPont, 9330 Zionsville Road, Indianapolis, Indiana 46268, United States
| | - Robert D. J. Froese
- Core R&D, The Dow Chemical Company, 1776 Building, Midland, Michigan 48674, United States
| | - Michael L. Tulchinsky
- Core R&D, The Dow Chemical Company, 1776 Building, Midland, Michigan 48674, United States
| | - Amaruka Hazari
- Process Chemistry, Corteva Agriscience, Agriculture Division of DowDuPont, 9330 Zionsville Road, Indianapolis, Indiana 46268, United States
| | - Jerzy Klosin
- Core R&D, The Dow Chemical Company, 1776 Building, Midland, Michigan 48674, United States
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