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Xu LP, Zhuang Z, Qian S, Yu JQ, Musaev DG. Roles of Ligand and Oxidant in Pd(II)-Catalyzed and Ligand-Enabled C(sp 3)–H Lactonization in Aliphatic Carboxylic Acid: Mechanistic Studies. ACS Catal 2022. [DOI: 10.1021/acscatal.2c00879] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Li-Ping Xu
- Cherry L. Emerson Center for Scientific Computation, and Department of Chemistry, Emory University, 1521 Dickey Drive, Atlanta, Georgia 30322, United States
| | - Zhe Zhuang
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Shaoqun Qian
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Jin-Quan Yu
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Djamaladdin G. Musaev
- Cherry L. Emerson Center for Scientific Computation, and Department of Chemistry, Emory University, 1521 Dickey Drive, Atlanta, Georgia 30322, United States
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2
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Kim D, Choi G, Kim W, Kim D, Kang YK, Hong SH. The site-selectivity and mechanism of Pd-catalyzed C(sp 2)-H arylation of simple arenes. Chem Sci 2020; 12:363-373. [PMID: 34163602 PMCID: PMC8178950 DOI: 10.1039/d0sc05414c] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
Control over site-selectivity is a critical challenge for practical application of catalytic C–H functionalization reactions in organic synthesis. Despite the seminal breakthrough of the Pd-catalyzed C(sp2)–H arylation of simple arenes via a concerted metalation–deprotonation (CMD) pathway in 2006, understanding the site-selectivity of the reaction still remains elusive. Here, we have comprehensively investigated the scope, site-selectivity, and mechanism of the Pd-catalyzed direct C–H arylation reaction of simple arenes. Counterintuitively, electron-rich arenes preferably undergo meta-arylation without the need for a specifically designed directing group, whereas electron-deficient arenes bearing fluoro or cyano groups exhibit high ortho-selectivity and electron-deficient arenes bearing bulky electron-withdrawing groups favor the meta-product. Comprehensive mechanistic investigations through a combination of kinetic measurements and stoichiometric experiments using arylpalladium complexes have revealed that the Pd-based catalytic system works via a cooperative bimetallic mechanism, not the originally proposed monometallic CMD mechanism, regardless of the presence of a strongly coordinating L-type ligand. Notably, the transmetalation step, which is influenced by a potassium cation, is suggested as the selectivity-determining step. The transmetalation step, not the C–H activation step, is suggested as the selectivity-determining step in Pd-catalyzed C–H arylation of simple arenes.![]()
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Affiliation(s)
- Daeun Kim
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST) Daejeon 34141 Republic of Korea .,Department of Chemistry, College of Natural Sciences, Seoul National University Seoul 08826 Republic of Korea
| | - Geunho Choi
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST) Daejeon 34141 Republic of Korea .,Department of Chemistry, College of Natural Sciences, Seoul National University Seoul 08826 Republic of Korea
| | - Weonjeong Kim
- Department of Chemistry, College of Natural Sciences, Seoul National University Seoul 08826 Republic of Korea
| | - Dongwook Kim
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS) Daejeon 34141 Republic of Korea
| | - Youn K Kang
- Department of Chemical Energy Engineering, Sangmyung University Seoul 03016 Korea
| | - Soon Hyeok Hong
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST) Daejeon 34141 Republic of Korea
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3
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Wu SQ, Zhang SQ, Hong X. Understanding the mechanism and reactivity of Pd-catalyzed C-P bond metathesis of aryl phosphines: a computational study. Org Biomol Chem 2020; 18:5414-5419. [PMID: 32618317 DOI: 10.1039/d0ob00719f] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Transition metal-catalyzed single bond metathesis has recently emerged as a useful strategy for functional group transfer. In this work, we explored the mechanism and reactivity profile of Pd/PhI-cocatalyzed C-P bond metathesis between aryl phosphines using density functional theory (DFT) calculations. The overall single bond metathesis involves two Pd(ii)-catalyzed C-P reductive eliminations and two Pd(0)-catalyzed C-P oxidative additions, which allows the reversible C-P bond cleavage and formation of the phosphonium cation. Distortion/interaction analysis indicates that the facile C-P bond cleavage and formation of the phosphonium cation are due to the involvement of coordinating aryl phosphine in the process. In addition, the substituent effects on the reaction kinetics and thermodynamics of metathesis were computed, which provides helpful mechanistic information for the design of related single bond metathesis reactions.
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Affiliation(s)
- Shao-Qi Wu
- Department of Chemistry, Zhejiang University, Hangzhou, 310058, China.
| | - Shuo-Qing Zhang
- Department of Chemistry, Zhejiang University, Hangzhou, 310058, China.
| | - Xin Hong
- Department of Chemistry, Zhejiang University, Hangzhou, 310058, China. and State Key Laboratory of Clean Energy Utilization, Zhejiang University, Zheda Road 38, Hangzhou 310027, China
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4
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Wang Y, Liu Y, Zhang WQ, Sun H, Zhang K, Jian Y, Gu Q, Zhang G, Li J, Gao Z. Sustainable Ligand-Free, Palladium-Catalyzed Suzuki-Miyaura Reactions in Water: Insights into the Role of Base. CHEMSUSCHEM 2019; 12:5265-5273. [PMID: 31724806 DOI: 10.1002/cssc.201902853] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 11/11/2019] [Indexed: 06/10/2023]
Abstract
A simple and efficient system was developed for the ligand-free Pd-catalyzed Suzuki-Miyaura reaction in water under mild conditions. Quaternary ammonium hydroxides with long chains were found to be very suitable bases. This ligand-free Pd-catalyzed Suzuki-Miyaura reaction showed improved durability in water with Pd loadings decreased to ppm level. Bases were shown to stabilize active palladium species in addition to acting as a base during the catalytic process. In the catalytic system with a strong base, the soluble active PdII ion exhibited anti-reduction properties, which prevented aggregation and deactivation of Pd species. The entire catalytic system could be recycled after separating the product by simple filtration. The water-compatible and air-stable effective catalytic protocol described herein represents an attractive and green synthetic advance in Suzuki-Miyaura couplings.
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Affiliation(s)
- Yanyan Wang
- Key Laboratory of Applied Surface and Colloid Chemistry MOE, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Yuanyuan Liu
- Key Laboratory of Applied Surface and Colloid Chemistry MOE, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Wei-Qiang Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry MOE, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Huaming Sun
- Key Laboratory of Applied Surface and Colloid Chemistry MOE, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Kan Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry MOE, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Yajun Jian
- Key Laboratory of Applied Surface and Colloid Chemistry MOE, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Quan Gu
- Key Laboratory of Applied Surface and Colloid Chemistry MOE, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Guofang Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry MOE, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Jiyang Li
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Ziwei Gao
- Key Laboratory of Applied Surface and Colloid Chemistry MOE, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
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5
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Astakhov AV, Soliev SB, Gordeev EG, Chernyshev VM, Ananikov VP. Relative stabilities of M/NHC complexes (M = Ni, Pd, Pt) against R-NHC, X-NHC and X-X couplings in M(0)/M(ii) and M(ii)/M(iv) catalytic cycles: a theoretical study. Dalton Trans 2019; 48:17052-17062. [PMID: 31696883 DOI: 10.1039/c9dt03266e] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The complexes of Ni, Pd, and Pt with N-heterocyclic carbenes (NHCs) catalyze numerous organic reactions via proposed typical M0/MII catalytic cycles comprising intermediates with the metal center in (0) and (II) oxidation states. In addition, MII/MIV catalytic cycles have been proposed for a number of reactions. The catalytic intermediates in both cycles can suffer decomposition via R-NHC coupling and the side reductive elimination of the NHC ligand and R groups (R = alkyl, aryl, etc.) to give [NHC-R]+ cations. In this study, the relative stabilities of (NHC)MII(R)(X)L and (NHC)MIV(R)(X)3L intermediates (X = Cl, Br, I; L = NHC, pyridine) against R-NHC coupling and other decomposition pathways via reductive elimination reactions were evaluated theoretically. The study revealed that the R-NHC coupling represents the most favorable decomposition pathway for both types of intermediates (MII and MIV), while it is thermodynamically and kinetically more facile for the MIV complexes. The relative effects of the metal M (Ni, Pd, Pt) and ligands L and X on the R-NHC coupling for the MIV complexes were significantly stronger than that for the MII complexes. In particular, for the (NHC)2MIV(Ph)(Br)3 complexes, Ph-NHC coupling was facilitated dramatically from Pt (ΔG = -36.9 kcal mol-1, ΔG≠ = 37.5 kcal mol-1) to Pd (ΔG = -61.5 kcal mol-1, ΔG≠ = 18.3 kcal mol-1) and Ni (ΔG = -80.2 kcal mol-1, ΔG≠ = 4.7 kcal mol-1). For the MII oxidation state of the metal, the bis-NHC complexes (L = NHC) were slightly more kinetically and thermodynamically stable against R-NHC coupling than the mono-NHC complexes (L = pyridine). An inverse relation was observed for the MIV oxidation state of the metal as the (NHC)2MIV(R)(X)3 complexes were kinetically (4.3-15.9 kcal mol-1) and thermodynamically (8.0-23.2 kcal mol-1) significantly less stable than the (NHC)MIV(R)(X)3L (L = pyridine) complexes. For the NiIV and PdIV complexes, additional decomposition pathways via the reductive elimination of the NHC and X ligands to give the [NHC-X]+ cation (X-NHC coupling) or reductive elimination of the X-X molecule were found to be thermodynamically and kinetically probable. Overall, the obtained results demonstrate significant instability of regular Ni/NHC and Pd/NHC complexes (for example, not additionally stabilized by chelation) and high probability to initiate "NHC-free" catalysis in the reactions comprising MIV intermediates.
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Affiliation(s)
- Alexander V Astakhov
- Platov South-Russian State Polytechnic University (NPI), Prosveschenya 132, Novocherkassk, 346428, Russia. and Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow, 119991, Russia
| | - Safarmurod B Soliev
- Platov South-Russian State Polytechnic University (NPI), Prosveschenya 132, Novocherkassk, 346428, Russia.
| | - Evgeniy G Gordeev
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow, 119991, Russia
| | - Victor M Chernyshev
- Platov South-Russian State Polytechnic University (NPI), Prosveschenya 132, Novocherkassk, 346428, Russia. and Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow, 119991, Russia
| | - Valentine P Ananikov
- Platov South-Russian State Polytechnic University (NPI), Prosveschenya 132, Novocherkassk, 346428, Russia. and Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow, 119991, Russia
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6
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Gordeev EG, Ananikov VP. Switching the nature of catalytic centers in Pd/NHC systems by solvent effect driven non-classical R-NHC Coupling. J Comput Chem 2019; 40:191-199. [PMID: 30284292 DOI: 10.1002/jcc.25572] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2018] [Revised: 08/08/2018] [Accepted: 08/09/2018] [Indexed: 11/06/2022]
Abstract
A well-established oxidative addition of organic halides (R-X) to N-heterocyclic carbene (NHC) complexes of palladium(0) leads to formation of (NHC)(R)PdII (X)L species, the key intermediates in a large variety of synthetically useful cross-coupling reactions. Typical consideration of the cross-coupling catalytic cycle is based on the assumption of intrinsic stability of these species, where the subsequent steps involve coordination of the second reacting partner. Thus, high stability of the intermediate (NHC)(R)PdII (X)L species is usually taken for granted. In the present study it is discussed that such intermediates are prone to non-classical R-NHC intramolecular coupling process (R = Me, Ph, Vinyl, Ethynyl) that results in removal of NHC ligand and generation of another type of Pd catalytic system. DFT calculations (BP86, TPSS, PBE1PBE, B3LYP, M06, wB97X-D) clearly show that outcome of R-NHC coupling process is not only determined by chemical nature of the organic substituent R, but also strongly depends on the type of solvent. The reaction is most favorable in polar solvents, whereas the non-polar solvents render the products less stable. © 2019 Wiley Periodicals, Inc.
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Affiliation(s)
- Evgeniy G Gordeev
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow 119991, Russia
| | - Valentine P Ananikov
- Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow 119991, Russia
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7
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Yu JL, Zhang SQ, Hong X. Stepwise versus Concerted Reductive Elimination Mechanisms in the Carbon–Iodide Bond Formation of (DPEphos)RhMeI2 Complex. Organometallics 2018. [DOI: 10.1021/acs.organomet.8b00723] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jing-Lu Yu
- Department of Chemistry, Zhejiang University, Hangzhou 310027, People’s Republic of China
| | - Shuo-Qing Zhang
- Department of Chemistry, Zhejiang University, Hangzhou 310027, People’s Republic of China
| | - Xin Hong
- Department of Chemistry, Zhejiang University, Hangzhou 310027, People’s Republic of China
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8
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Mondal T, De S, Dutta S, Koley D. Mechanistic Exploration of the Transmetalation and Reductive Elimination Events Involving Pd IV -Abnormal NHC Complexes in Suzuki-Miyaura Coupling Reactions: A DFT Study. Chemistry 2018; 24:6155-6168. [PMID: 29411924 DOI: 10.1002/chem.201800024] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Indexed: 12/25/2022]
Abstract
A comprehensive DFT (M06-L-D3(SMD)/BS2//M06-L/BS1 level) investigation has been carried out to explore in detail the mechanism of the transmetalation and reductive elimination reactions of abnormal N-heterocyclic carbene (aNHC) palladium(IV) complexes within the framework of Suzuki-Miyaura cross-coupling reactions. Emphasis was placed on the role of base and the effect of countercations on the critical transmetalation and reductive elimination events involving palladium(IV) complexes. Of the two competing roles of the base, the route involving boronate formation followed by halide exchange prevails over that of direct halide exchange for the intermediates [PdIV (aNHC)(OMe)2 Cl]- Na+ (pathway A), [PdIV (aNHC)(OMe)(Cl)2 ]- Na+ (pathway B), and [PdIV (aNHC)Cl3 ]- Na+ (pathway C) emanating from the oxidative addition reaction. The results of the calculations are in accordance with our previous theoretical findings of favorable energetics for palladium intermediates incorporating two coordinated methoxy groups. The negative role played by the countercation in the transmetalation step is mainly due to the overstabilization of the pre-transmetalation intermediate, which is in line with experimental kinetic results. The anionic complexes exhibit greater affinity for the transmetalation and reductive elimination reactions than the neutral variants.
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Affiliation(s)
- Totan Mondal
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur, 741 246, India
| | - Sriman De
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur, 741 246, India
| | - Sayan Dutta
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur, 741 246, India
| | - Debasis Koley
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur, 741 246, India
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9
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Zhang L, Fang DC. Key Role of PdIV Intermediates in Promoting PdII-Catalyzed Dehydrogenative Homocoupling of Two Arenes: A DFT Study. Organometallics 2017. [DOI: 10.1021/acs.organomet.7b00778] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Lei Zhang
- College
of Chemistry, Beijing Normal University, Beijing 100875, People’s Republic of China
- School
of Science, Tianjin Chengjian University, Tianjin 300384, People’s Republic of China
| | - De-Cai Fang
- College
of Chemistry, Beijing Normal University, Beijing 100875, People’s Republic of China
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10
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Johnson SA, Higgins RF, Abu-Omar MM, Shores MP, Bart SC. Mechanistic Insights into Concerted C–C Reductive Elimination from Homoleptic Uranium Alkyls. Organometallics 2017. [DOI: 10.1021/acs.organomet.7b00438] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Sara A. Johnson
- H.C.
Brown Laboratory, Department of Chemistry, Purdue University, West Lafayette, Indiana 47906, United States
| | - Robert F. Higgins
- Department
of Chemistry, Colorado State University, Ft. Collins, Colorado 80523, United States
| | - Mahdi M. Abu-Omar
- H.C.
Brown Laboratory, Department of Chemistry, Purdue University, West Lafayette, Indiana 47906, United States
| | - Matthew P. Shores
- Department
of Chemistry, Colorado State University, Ft. Collins, Colorado 80523, United States
| | - Suzanne C. Bart
- H.C.
Brown Laboratory, Department of Chemistry, Purdue University, West Lafayette, Indiana 47906, United States
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11
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Eremin DB, Ananikov VP. Understanding active species in catalytic transformations: From molecular catalysis to nanoparticles, leaching, “Cocktails” of catalysts and dynamic systems. Coord Chem Rev 2017. [DOI: 10.1016/j.ccr.2016.12.021] [Citation(s) in RCA: 243] [Impact Index Per Article: 34.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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12
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13
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Funes-Ardoiz I, Maseras F. Cooperative Reductive Elimination: The Missing Piece in the Oxidative-Coupling Mechanistic Puzzle. Angew Chem Int Ed Engl 2016; 55:2764-7. [DOI: 10.1002/anie.201510540] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2015] [Revised: 12/22/2015] [Indexed: 11/09/2022]
Affiliation(s)
- Ignacio Funes-Ardoiz
- Institute of Chemical Research of Catalonia (ICIQ); The Barcelona Institute of Science and Technology; Avgda. Països Catalans, 16 Tarragona 43007) Catalonia Spain
| | - Feliu Maseras
- Institute of Chemical Research of Catalonia (ICIQ); The Barcelona Institute of Science and Technology; Avgda. Països Catalans, 16 Tarragona 43007) Catalonia Spain
- Department de Química; Universitat Autònoma de Barcelona; Bellaterra 08193) Catalonia Spain
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14
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Funes-Ardoiz I, Maseras F. Cooperative Reductive Elimination: The Missing Piece in the Oxidative-Coupling Mechanistic Puzzle. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201510540] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Ignacio Funes-Ardoiz
- Institute of Chemical Research of Catalonia (ICIQ); The Barcelona Institute of Science and Technology; Avgda. Països Catalans, 16 Tarragona 43007) Catalonia Spain
| | - Feliu Maseras
- Institute of Chemical Research of Catalonia (ICIQ); The Barcelona Institute of Science and Technology; Avgda. Països Catalans, 16 Tarragona 43007) Catalonia Spain
- Department de Química; Universitat Autònoma de Barcelona; Bellaterra 08193) Catalonia Spain
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15
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Zheng W, Ding L, Wang J, Wang Y. Computational study on alkenyl/aryl C(sp2)–O homolytic cleavage of carboxylates and carbamates. RSC Adv 2016. [DOI: 10.1039/c5ra27859g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The alkenyl/aryl C(sp2)–O cleavage and the substituent effect in both carboxylates/carbamates and corresponding Ni complexes were investigated in detail by wB97 method.
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Affiliation(s)
- Wenrui Zheng
- College of Chemistry and Chemical Engineering
- Shanghai University of Engineering Science
- Shanghai 201620
- China
| | - Lanlan Ding
- College of Chemistry and Chemical Engineering
- Shanghai University of Engineering Science
- Shanghai 201620
- China
| | - Jiaoyang Wang
- College of Chemistry and Chemical Engineering
- Shanghai University of Engineering Science
- Shanghai 201620
- China
| | - Yingxing Wang
- College of Chemistry and Chemical Engineering
- Shanghai University of Engineering Science
- Shanghai 201620
- China
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16
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Sakaki S. Theoretical and Computational Study of a Complex System Consisting of Transition Metal Element(s): How to Understand and Predict Its Geometry, Bonding Nature, Molecular Property, and Reaction Behavior. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2015. [DOI: 10.1246/bcsj.20150119] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Shigeyoshi Sakaki
- Fukui Institute for Fundamental Chemistry, Kyoto University
- CREST, Japan Science and Technology Agency (JST)
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17
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Affiliation(s)
- Valentine P. Ananikov
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, 119991 Moscow, Russia
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18
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Chen S, Su Y, Han K, Li X. Mechanistic studies on C–C reductive coupling of five-coordinate Rh(iii) complexes. Org Chem Front 2015. [DOI: 10.1039/c5qo00049a] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
C–C reductive coupling of rare five-coordinate rhodium(iii) complexes has been studied in detail.
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Affiliation(s)
- Shanshan Chen
- Division of Chemistry and Biological Chemistry
- School of Physical and Mathematical Sciences
- Nanyang Technological University
- Singapore 637371
- Department of Applied Chemistry
| | - Yan Su
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- China
| | - Keli Han
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- China
| | - Xingwei Li
- Division of Chemistry and Biological Chemistry
- School of Physical and Mathematical Sciences
- Nanyang Technological University
- Singapore 637371
- Dalian Institute of Chemical Physics
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19
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Rodríguez AM, Prieto P, de la Hoz A, Díaz-Ortiz A, García JI. The issue of 'molecular radiators' in microwave-assisted reactions. Computational calculations on ring closing metathesis (RCM). Org Biomol Chem 2014; 12:2436-45. [PMID: 24599220 DOI: 10.1039/c3ob42536c] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A DFT computational mechanistic study of the ring closing metathesis (RCM) reaction of diallyl ether or N,N-diallyl-p-toluenesulfonamide catalyzed by a second generation Grubbs-type ruthenium carbene complex has been carried out. This study was performed at the PCM(CH2Cl2)-B3LYP/6-311+G(2d,p)//B3LYP/SDD theory level. The aim of this work was to shed light on the influence that microwave irradiation has on these reactions and to gain insight into the so-called 'molecular radiator' effect. The outcomes obtained indicate that thermal effects induced by microwave irradiation decrease the catalytic induction period. The presence of a polar reagent and/or polar species in the reaction that increases the polarity of the medium may enhance this thermal effect.
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Affiliation(s)
- A M Rodríguez
- Departamento de Química Orgánica, Facultad de Ciencias y Tecnologías Químicas, Universidad de Castilla-La Mancha, 13071 Ciudad Real, Spain.
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20
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Zafar MN, Mohsin MA, Danish M, Nazar MF, Murtaza S. Palladium catalyzed Heck-Mizoroki and Suzuki-Miyaura coupling reactions (Review). RUSS J COORD CHEM+ 2014. [DOI: 10.1134/s1070328414110104] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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21
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Xu H, Muto K, Yamaguchi J, Zhao C, Itami K, Musaev DG. Key mechanistic features of Ni-catalyzed C-H/C-O biaryl coupling of azoles and naphthalen-2-yl pivalates. J Am Chem Soc 2014; 136:14834-44. [PMID: 25259782 DOI: 10.1021/ja5071174] [Citation(s) in RCA: 144] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The mechanism of the Ni-dcype-catalyzed C-H/C-O coupling of benzoxazole and naphthalen-2-yl pivalate was studied. Special attention was devoted to the base effect in the C-O oxidative addition and C-H activation steps as well as the C-H substrate effect in the C-H activation step. No base effect in the C(aryl)-O oxidative addition to Ni-dcype was found, but the nature of the base and C-H substrate plays a crucial role in the following C-H activation. In the absence of base, the azole C-H activation initiated by the C-O oxidative addition product Ni(dcype)(Naph)(PivO), 1B, proceeds via ΔG = 34.7 kcal/mol barrier. Addition of Cs2CO3 base to the reaction mixture forms the Ni(dcype)(Naph)[PivOCs·CsCO3], 3_Cs_clus, cluster complex rather than undergoing PivO(-) → CsCO3(-) ligand exchange. Coordination of azole to the resulting 3_Cs_clus complex forms intermediate with a weak Cs-heteroatom(azole) bond, the existence of which increases acidity of the activated C-H bond and reduces C-H activation barrier. This conclusion from computation is consistent with experiments showing that the addition of Cs2CO3 to the reaction mixture of 1B and benzoxazole increases yield of C-H/C-O coupling from 32% to 67% and makes the reaction faster by 3-fold. This emerging mechanistic knowledge was validated by further exploring base and C-H substrate effects via replacing Cs2CO3 with K2CO3 and benzoxazole (1a) with 1H-benzo[d]imidazole (1b) or quinazoline (1c). We proposed the modified catalytic cycle for the Ni(cod)(dcype)-catalyzed C-H/C-O coupling of benzoxazole and naphthalen-2-yl pivalate.
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Affiliation(s)
- Huiying Xu
- Cherry L. Emerson Center for Scientific Computation, Emory University , 1515 Dickey Drive, Atlanta, Georgia 30322, United States
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22
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Understanding the Mechanisms of Unusually Fast HH, CH, and CC Bond Reductive Eliminations from Gold(III) Complexes. Chemistry 2014; 20:14650-8. [DOI: 10.1002/chem.201403867] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2014] [Indexed: 11/07/2022]
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23
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Ortuño MA, Lledós A, Maseras F, Ujaque G. The Transmetalation Process in Suzuki-Miyaura Reactions: Calculations Indicate Lower Barrier via Boronate Intermediate. ChemCatChem 2014. [DOI: 10.1002/cctc.201402326] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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24
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Xu H, Williard PG, Bernskoetter WH. C–H bond activation and S-atom transfer from cobalt(iii) thiolate and isothiocyanate complexes. Dalton Trans 2014; 43:14696-700. [DOI: 10.1039/c4dt01823k] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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25
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Borjian S, Tom DME, Baird MC. Pd(η3-1-PhC3H4)(η5-C5H5) as a Catalyst Precursor for Buchwald–Hartwig Amination Reactions. Organometallics 2014. [DOI: 10.1021/om500617p] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Sogol Borjian
- Department of Chemistry, Queen’s University, Kingston, Ontario K7L 3N6, Canada
| | - David M. E. Tom
- Department of Chemistry, Queen’s University, Kingston, Ontario K7L 3N6, Canada
| | - Michael C. Baird
- Department of Chemistry, Queen’s University, Kingston, Ontario K7L 3N6, Canada
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26
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Everson D, Weix DJ. Cross-electrophile coupling: principles of reactivity and selectivity. J Org Chem 2014; 79:4793-8. [PMID: 24820397 PMCID: PMC4049235 DOI: 10.1021/jo500507s] [Citation(s) in RCA: 411] [Impact Index Per Article: 41.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2014] [Indexed: 12/12/2022]
Abstract
A critical overview of the catalytic joining of two different electrophiles, cross-electrophile coupling (XEC), is presented with an emphasis on the central challenge of cross-selectivity. Recent synthetic advances and mechanistic studies have shed light on four possible methods for overcoming this challenge: (1) employing an excess of one reagent; (2) electronic differentiation of starting materials; (3) catalyst-substrate steric matching; and (4) radical chain processes. Each method is described using examples from the recent literature.
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Affiliation(s)
- Daniel
A. Everson
- Department
of Chemistry, University of Minnesota, Minneapolis, Minnesota 55455-0431, United States
| | - Daniel J. Weix
- Department
of Chemistry, University of Rochester, Rochester, New York 14627-0216, United States
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27
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Formation and thermodynamic stability of novel methyl–vinyl derivatives of PtIV as possible intermediates for Csp3–Csp2 cross-coupling. J Organomet Chem 2014. [DOI: 10.1016/j.jorganchem.2013.11.028] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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28
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Malacria M, Maestri G. Palladium/Norbornene Catalytic System: Chelation as a Tool To Control Regioselectivity of Pd(IV) Reductive Elimination. J Org Chem 2013; 78:1323-8. [DOI: 10.1021/jo302581c] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Max Malacria
- Institut de Chimie de Substances Naturelles, ICSN/CNRS (UPR 2301), 1 Av
de la Terrasse, Bat. 27, 91198 Gif/Yvette, France
- UPMC Université Paris 06, IPCM (UMR 7201), 4 Place Jussieu, C. 229,
75005 Paris, France
| | - Giovanni Maestri
- Institut de Chimie de Substances Naturelles, ICSN/CNRS (UPR 2301), 1 Av
de la Terrasse, Bat. 27, 91198 Gif/Yvette, France
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29
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Liu L, Sun J, Liu Y, Li P, Bi S. Theoretical Study on CuCl-Catalyzed Coupling of Thiol Esters with Organostannane. J Phys Chem A 2012; 116:11736-44. [DOI: 10.1021/jp308810n] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Lingjun Liu
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, Shandong Province, People's Republic of China
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30
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Hsiao J, Weng CM, Hong FE. Studies on Suzuki-Miyaura Reactions Catalyzed by Ferrocenyl or Cobaltocenyl Phosphines Ligated Palladium Complexes. J CHIN CHEM SOC-TAIP 2012. [DOI: 10.1002/jccs.201100353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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31
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Fraser AW, Besaw JE, Hull LE, Baird MC. Pd(η3-1-PhC3H4)(η5-C5H5), an Unusually Effective Catalyst Precursor for Suzuki–Miyaura Cross-Coupling Reactions Catalyzed by Bis-Phosphine Palladium(0) Compounds. Organometallics 2012. [DOI: 10.1021/om300154m] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Andrew W. Fraser
- Department of Chemistry, Queen’s University, Kingston,
Ontario K7L 3N6, Canada
| | - Jessica E. Besaw
- Department of Chemistry, Queen’s University, Kingston,
Ontario K7L 3N6, Canada
| | - Laura E. Hull
- Department of Chemistry, Queen’s University, Kingston,
Ontario K7L 3N6, Canada
| | - Michael C. Baird
- Department of Chemistry, Queen’s University, Kingston,
Ontario K7L 3N6, Canada
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32
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Hsiao J, Weng CM, Hong FE. Studies on Suzuki-Miyaura Reactions Catalyzed by Ferrocenyl or Cobaltocenyl Phosphines Ligated Palladium Complexes. J CHIN CHEM SOC-TAIP 2012. [DOI: 10.1002/jccs.201100342] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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33
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Sharma M, Ariafard A, Canty AJ, Yates BF, Gardiner MG, Jones RC. Synthetic and computational studies of the palladium(iv) system Pd(alkyl)(aryl)(alkynyl)(bidentate)(triflate) exhibiting selectivity in C–C reductive elimination. Dalton Trans 2012; 41:11820-8. [DOI: 10.1039/c2dt31086d] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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34
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Density functional studies of influences of Ni triad metals and solvents on oxidative addition of MeI to [M(CH3)2(NH3)2] complexes and C–C reductive elimination from [M(CH3)3(NH3)2I] complexes. J Organomet Chem 2011. [DOI: 10.1016/j.jorganchem.2011.07.024] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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35
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Mesganaw T, Silberstein AL, Ramgren SD, Fine Nathel NF, Hong X, Liu P, Garg NK. Nickel-catalyzed amination of aryl carbamates and sequential site-selective cross-couplings. Chem Sci 2011; 2:1766-1771. [PMID: 31105924 PMCID: PMC6520651 DOI: 10.1039/c1sc00230a] [Citation(s) in RCA: 139] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
We report the amination of aryl carbamates using nickel-catalysis. The methodology is broad in scope with respect to both coupling partners and delivers aminated products in synthetically useful yields. Computational studies provide the full catalytic cycle of this transformation, and suggest that reductive elimination is the rate-determining step. Given that carbamates are easy to prepare, robust, inert to Pd-catalysis, and useful for arene functionalization, these substrates are particularly attractive partners for use in synthesis. The sequential use of carbamate functionalization/site-selective cross-coupling processes highlights the utility of this methodology.
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Affiliation(s)
- Tehetena Mesganaw
- Department of Chemistry and Biochemistry, University of California, 607 Charles Young Drive East, Box 951569, Los Angeles, CA, 90095, USA
| | - Amanda L. Silberstein
- Department of Chemistry and Biochemistry, University of California, 607 Charles Young Drive East, Box 951569, Los Angeles, CA, 90095, USA
| | - Stephen D. Ramgren
- Department of Chemistry and Biochemistry, University of California, 607 Charles Young Drive East, Box 951569, Los Angeles, CA, 90095, USA
| | - Noah F. Fine Nathel
- Department of Chemistry and Biochemistry, University of California, 607 Charles Young Drive East, Box 951569, Los Angeles, CA, 90095, USA
| | - Xin Hong
- Department of Chemistry and Biochemistry, University of California, 607 Charles Young Drive East, Box 951569, Los Angeles, CA, 90095, USA
| | - Peng Liu
- Department of Chemistry and Biochemistry, University of California, 607 Charles Young Drive East, Box 951569, Los Angeles, CA, 90095, USA
| | - Neil K. Garg
- Department of Chemistry and Biochemistry, University of California, 607 Charles Young Drive East, Box 951569, Los Angeles, CA, 90095, USA
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36
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Anand M, Sunoj RB. Palladium(II)-catalyzed direct alkoxylation of arenes: evidence for solvent-assisted concerted metalation deprotonation. Org Lett 2011; 13:4802-5. [PMID: 21859083 DOI: 10.1021/ol201830r] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Density functional theory investigations on the mechanism of palladium acetate catalyzed direct alkoxylation of N-methoxybenzamide in methanol reveal that the key steps involve solvent-assisted N-H as well as C-H bond activations. The transition state for the critical palladium-carbon bond formation through a concerted metalation deprotonation (CMD) process leading to a palladacycle intermediate has been found to be more stable in the methanol-assisted pathway as compared to an unassisted route.
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Affiliation(s)
- Megha Anand
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
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37
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Sajith PK, Suresh CH. Mechanisms of Reductive Eliminations in Square Planar Pd(II) Complexes: Nature of Eliminated Bonds and Role of trans Influence. Inorg Chem 2011; 50:8085-93. [DOI: 10.1021/ic2004563] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- P. K. Sajith
- Computational Modeling and Simulation Section, National Institute for Interdisciplinary Science and Technology (CSIR), Trivandrum, India 695 019
| | - Cherumuttathu H. Suresh
- Computational Modeling and Simulation Section, National Institute for Interdisciplinary Science and Technology (CSIR), Trivandrum, India 695 019
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38
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Maestri G, Motti E, Della Ca' N, Malacria M, Derat E, Catellani M. Of the ortho effect in palladium/norbornene-catalyzed reactions: a theoretical investigation. J Am Chem Soc 2011; 133:8574-85. [PMID: 21563760 DOI: 10.1021/ja110988p] [Citation(s) in RCA: 159] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Mechanistic questions concerning palladium and norbornene catalyzed aryl-aryl coupling reactions are treated in this paper: how aryl halides react with the intermediate palladacycles, formed by interaction of the two catalysts with an aryl halide, and what is the rational explanation of the "ortho effect" (caused by an ortho substituent in the starting aryl halide), which leads to aryl-aryl coupling with a second molecule of aryl halide rather than to aryl-norbornyl coupling. Two possible pathways have been proposed, one involving aryl halide oxidative addition to the palladacycle, the other passing through a palladium(II) transmetalation, also involving the palladacycle, as previously proposed by Cardenas and Echavarren. Our DFT calculations using M06 show that, in palladium-catalyzed reaction of aryl halides, not containing ortho substituents, and norbornene, the intermediate palladacycle formed has a good probability to undergo transmetalation, energetically favored over the oxidative addition leading to Pd(IV). The unselective sp(2)-sp(2) and sp(2)-sp(3) coupling, experimentally observed in this case, can be explained in the framework of the transmetalation pathway since the energetic difference between aryl attack onto the aryl or norbornyl carbon of the palladacycle intermediate is quite small. On the other hand, according to the experimentally observed "ortho effect", selective aryl-aryl coupling only occurs in the reactions of ortho-substituted metallacycles. The present work offers the first possible rationalization of this finding. These in situ formed palladacycles containing an ortho substituent could more easily undergo oxidative addition of an aryl halide rather than reductive elimination from the transmetalation intermediate as a result of a steric clash in the transition state of the latter. The now energetically accessible Pd(IV) intermediate, featuring a Y-distorted trigonal bipyramidal structure, can account for the reported selective aryl-aryl coupling through a reductive elimination which is easier than aryl-norbornyl coupling. Thus, the steric effect represents the main factor that dictates the energetic convenience of the system to follow the Pd(IV) or the transmetalation pathway. Ortho substituents cause a higher energy transition state for reductive elimination from the transmetalation intermediate than for oxidative addition to the metallacycle palladium(II) and the pathway based on the latter predominates.
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Affiliation(s)
- Giovanni Maestri
- Dipartimento di Chimica Organica e Industriale, Università degli Studi di Parma, Parco Area delle Scienze, 17/A, 43124 Parma, Italy
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39
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Quasdorf KW, Antoft-Finch A, Liu P, Silberstein AL, Komaromi A, Blackburn T, Ramgren SD, Houk KN, Snieckus V, Garg NK. Suzuki-Miyaura cross-coupling of aryl carbamates and sulfamates: experimental and computational studies. J Am Chem Soc 2011; 133:6352-63. [PMID: 21456551 PMCID: PMC3091075 DOI: 10.1021/ja200398c] [Citation(s) in RCA: 255] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The first Suzuki-Miyaura cross-coupling reactions of the synthetically versatile aryl O-carbamate and O-sulfamate groups are described. The transformations utilize the inexpensive, bench-stable catalyst NiCl(2)(PCy(3))(2) to furnish biaryls in good to excellent yields. A broad scope for this methodology has been demonstrated. Substrates with electron-donating and electron-withdrawing groups are tolerated, in addition to those that possess ortho substituents. Furthermore, heteroaryl substrates may be employed as coupling partners. A computational study providing the full catalytic cycles for these cross-coupling reactions is described. The oxidative addition with carbamates or sulfamates occurs via a five-centered transition state, resulting in the exclusive cleavage of the aryl C-O bond. Water is found to stabilize the Ni-carbamate catalyst resting state, which thus provides rationalization of the relative decreased rate of coupling of carbamates. Several synthetic applications are presented to showcase the utility of the methodology in the synthesis of polysubstituted aromatic compounds of natural product and bioactive molecule interest.
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Affiliation(s)
- Kyle W. Quasdorf
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California, 90095
| | - Aurora Antoft-Finch
- Department of Chemistry, Queen’s University, Kingston, Ontario K7L 3N6, Canada
| | - Peng Liu
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California, 90095
| | - Amanda L. Silberstein
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California, 90095
| | - Anna Komaromi
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California, 90095
| | - Tom Blackburn
- Department of Chemistry, Queen’s University, Kingston, Ontario K7L 3N6, Canada
| | - Stephen D. Ramgren
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California, 90095
| | - K. N. Houk
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California, 90095
| | - Victor Snieckus
- Department of Chemistry, Queen’s University, Kingston, Ontario K7L 3N6, Canada
| | - Neil K. Garg
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California, 90095
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40
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Ananikov VP, Beletskaya IP. Alkyne Insertion into the MP and MH Bonds (M=Pd, Ni, Pt, and Rh): A Theoretical Mechanistic Study of the CP and CH Bond-Formation Steps. Chem Asian J 2011; 6:1423-30. [DOI: 10.1002/asia.201000840] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2010] [Indexed: 11/11/2022]
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41
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Ariafard A, Ejehi Z, Sadrara H, Mehrabi T, Etaati S, Moradzadeh A, Moshtaghi M, Nosrati H, Brookes NJ, Yates BF. Insight into the Mechanism of R−R Reductive Elimination from the Six-Coordinate d6 Complexes L2Pt(R)4 (R = vinyl, Me). Organometallics 2011. [DOI: 10.1021/om1005512] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Alireza Ariafard
- Department of Chemistry, Faculty of Science, Central Tehran Branch, Islamic Azad University, Shahrak Gharb, Tehran, Iran
| | - Zeinab Ejehi
- Department of Chemistry, Faculty of Science, Central Tehran Branch, Islamic Azad University, Shahrak Gharb, Tehran, Iran
| | - Hoda Sadrara
- Department of Chemistry, Faculty of Science, Central Tehran Branch, Islamic Azad University, Shahrak Gharb, Tehran, Iran
| | - Tahmineh Mehrabi
- Department of Chemistry, Faculty of Science, Central Tehran Branch, Islamic Azad University, Shahrak Gharb, Tehran, Iran
| | - Shohreh Etaati
- Department of Chemistry, Faculty of Science, Central Tehran Branch, Islamic Azad University, Shahrak Gharb, Tehran, Iran
| | - Azadeh Moradzadeh
- Department of Chemistry, Faculty of Science, Central Tehran Branch, Islamic Azad University, Shahrak Gharb, Tehran, Iran
| | - Mahshid Moshtaghi
- Department of Chemistry, Faculty of Science, Central Tehran Branch, Islamic Azad University, Shahrak Gharb, Tehran, Iran
| | - Hadis Nosrati
- Department of Chemistry, Faculty of Science, Central Tehran Branch, Islamic Azad University, Shahrak Gharb, Tehran, Iran
| | - Nigel J. Brookes
- School of Chemistry, University of Tasmania, Private Bag 75, Hobart, Tasmania 7001, Australia
| | - Brian F. Yates
- School of Chemistry, University of Tasmania, Private Bag 75, Hobart, Tasmania 7001, Australia
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42
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Ananikov VP, Beletskaya IP. Preparation of metal “nanosalts” and their application in catalysis: heterogeneous and homogeneous pathways. Dalton Trans 2011; 40:4011-23. [DOI: 10.1039/c0dt01277g] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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43
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Weng CM, Hong FE. Density functional studies on diimine chelated palladium complex catalyzed Suzuki–Miyaura cross-coupling reaction: the impact of Lewis base employed in transmetallation process. Dalton Trans 2011; 40:6458-68. [DOI: 10.1039/c1dt10233h] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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44
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García-Melchor M, Ujaque G, Maseras F, Lledós A. Theoretical Evaluation of Phosphine Effects in Cross-Coupling Reactions. PHOSPHORUS COMPOUNDS 2011. [DOI: 10.1007/978-90-481-3817-3_3] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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45
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Korenaga T, Abe K, Ko A, Maenishi R, Sakai T. Ligand Electronic Effect on Reductive Elimination of Biphenyl from cis-[Pt(Ph)2(diphosphine)] Complexes Bearing Electron-Poor Diphosphine: Correlation Study between Experimental and Theoretical Results. Organometallics 2010. [DOI: 10.1021/om100073j] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Toshinobu Korenaga
- Division of Chemistry and Biochemistry, Graduate School of Natural Science and Technology, Okayama University, 3-1-1 Tsushima-naka, Okayama 700-8530, Japan
| | - Kayoko Abe
- Division of Chemistry and Biochemistry, Graduate School of Natural Science and Technology, Okayama University, 3-1-1 Tsushima-naka, Okayama 700-8530, Japan
| | - Aram Ko
- Division of Chemistry and Biochemistry, Graduate School of Natural Science and Technology, Okayama University, 3-1-1 Tsushima-naka, Okayama 700-8530, Japan
| | - Ryota Maenishi
- Division of Chemistry and Biochemistry, Graduate School of Natural Science and Technology, Okayama University, 3-1-1 Tsushima-naka, Okayama 700-8530, Japan
| | - Takashi Sakai
- Division of Chemistry and Biochemistry, Graduate School of Natural Science and Technology, Okayama University, 3-1-1 Tsushima-naka, Okayama 700-8530, Japan
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46
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DFT studies of reductive elimination, C–H activation and β-hydride elimination in alkyl and aryl palladium amine complexes. Theor Chem Acc 2010. [DOI: 10.1007/s00214-010-0775-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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47
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Wang M, Lin Z. Stille Cross-Coupling Reactions of Alkenylstannanes with Alkenyl Iodides Mediated by Copper(I) Thiophene-2-carboxylate: A Density Functional Study. Organometallics 2010. [DOI: 10.1021/om100304t] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Meiyan Wang
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, People’s Republic of China
| | - Zhenyang Lin
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, People’s Republic of China
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48
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Sehnal P, Taylor RJK, Fairlamb IJS. Emergence of palladium(IV) chemistry in synthesis and catalysis. Chem Rev 2010; 110:824-89. [PMID: 20143876 DOI: 10.1021/cr9003242] [Citation(s) in RCA: 543] [Impact Index Per Article: 38.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Petr Sehnal
- Department of Chemistry, University of York, Heslington, York YO10 5DD, United Kingdom
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49
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Ananikov VP, Beletskaya IP. Using nanosized, homogeneous, and heterogeneous catalytic systems in organic synthesis: changing the structure of active center in chemical reactions in solution. ACTA ACUST UNITED AC 2010. [DOI: 10.1134/s1995078010010015] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Ananikov V, Gayduk K, Orlov N, Beletskaya I, Khrustalev V, Antipin M. Two Distinct Mechanisms of Alkyne Insertion into the Metal-Sulfur Bond: Combined Experimental and Theoretical Study and Application in Catalysis. Chemistry 2010; 16:2063-71. [DOI: 10.1002/chem.200902928] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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