1
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Liu Y, Chen Y, Zhao YJ, Zhang GQ, Zheng Y, Yu P, Chen P, Jia ZJ. Iron-Catalyzed Primary Amination of C(sp 3)-H Bonds. J Am Chem Soc 2024; 146:24863-24870. [PMID: 39192496 DOI: 10.1021/jacs.4c05407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/29/2024]
Abstract
Primary amines are privileged molecules in drug development. Yet, there is a noticeable scarcity of methods for directly introducing a primary amine group into the ubiquitous C(sp3)-H bonds within organic compounds. Here, we report an iron-based catalytic system that enables direct primary amination of C(sp3)-H bonds under aqueous conditions and air. Various types of C(sp3)-H bonds, including benzylic, allylic, and aliphatic ones, can be readily functionalized with high selectivity and efficiency. The broad utility of this method has been further verified by late-stage amination of 11 complex bioactive molecules. Mechanistic studies unveil a protonated iron-nitrene complex as the key intermediate for the C-H bond activation. This work extends the toolbox for direct C(sp3)-H functionalizations, opening up new opportunities for late-stage modifications of organic molecules.
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Affiliation(s)
- Ye Liu
- Department of Biopharmaceutics, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Children's Medicine Key Laboratory of Sichuan Province, Department of Pharmacy/Evidence-Based Pharmacy Center, West China Second University Hospital, Sichuan University, Chengdu 610041, China
| | - Yu Chen
- Department of Chemistry and Shenzhen Grubbs Institute, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 518055, China
| | - Yu-Jie Zhao
- Department of Biopharmaceutics, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Children's Medicine Key Laboratory of Sichuan Province, Department of Pharmacy/Evidence-Based Pharmacy Center, West China Second University Hospital, Sichuan University, Chengdu 610041, China
| | - Guo-Qing Zhang
- Department of Biopharmaceutics, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Children's Medicine Key Laboratory of Sichuan Province, Department of Pharmacy/Evidence-Based Pharmacy Center, West China Second University Hospital, Sichuan University, Chengdu 610041, China
| | - Yongxiang Zheng
- Department of Biopharmaceutics, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Children's Medicine Key Laboratory of Sichuan Province, Department of Pharmacy/Evidence-Based Pharmacy Center, West China Second University Hospital, Sichuan University, Chengdu 610041, China
| | - Peiyuan Yu
- Department of Chemistry and Shenzhen Grubbs Institute, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 518055, China
| | - Peng Chen
- Department of Biopharmaceutics, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Children's Medicine Key Laboratory of Sichuan Province, Department of Pharmacy/Evidence-Based Pharmacy Center, West China Second University Hospital, Sichuan University, Chengdu 610041, China
| | - Zhi-Jun Jia
- Department of Biopharmaceutics, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
- Key Laboratory of Birth Defects and Related Diseases of Women and Children, Children's Medicine Key Laboratory of Sichuan Province, Department of Pharmacy/Evidence-Based Pharmacy Center, West China Second University Hospital, Sichuan University, Chengdu 610041, China
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2
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Galeotti M, Lee W, Sisti S, Casciotti M, Salamone M, Houk KN, Bietti M. Radical and Cationic Pathways in C( sp3)-H Bond Oxygenation by Dioxiranes of Bicyclic and Spirocyclic Hydrocarbons Bearing Cyclopropane Moieties. J Am Chem Soc 2023; 145:24021-24034. [PMID: 37874906 PMCID: PMC10636757 DOI: 10.1021/jacs.3c07163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 10/03/2023] [Accepted: 10/04/2023] [Indexed: 10/26/2023]
Abstract
A product and DFT computational study on the reactions of 3-ethyl-3-(trifluoromethyl)dioxirane (ETFDO) with bicyclic and spirocyclic hydrocarbons bearing cyclopropyl groups was carried out. With bicyclo[n.1.0]alkanes (n = 3-6), diastereoselective formation of the alcohol product derived from C2-H bond hydroxylation was observed, accompanied by smaller amounts of products derived from oxygenation at other sites. With 1-methylbicyclo[4.1.0]heptane, rearranged products were also observed in addition to the unrearranged products deriving from oxygenation at the most activated C2-H and C5-H bonds. With spiro[2.5]octane and 6-tert-butylspiro[2.5]octane, reaction with ETFDO occurred predominantly or exclusively at the axial C4-H to give unrearranged oxygenation products, accompanied by smaller amounts of rearranged bicyclo[4.2.0]octan-1-ols. The good to outstanding site-selectivities and diastereoselectivities are paralleled by the calculated activation free energies for the corresponding reaction pathways. Computations show that the σ* orbitals of the bicyclo[n.1.0]alkane cis or trans C2-H bonds and spiro[2.5]octanes axial C4-H bond hyperconjugatively interact with the Walsh orbitals of the cyclopropane ring, activating these bonds toward HAT to ETFDO. The detection of rearranged oxygenation products in the oxidation of 1-methylbicyclo[4.1.0]heptane, spiro[2.5]octane, and 6-tert-butylspiro[2.5]octane provides unambiguous evidence for the involvement of cationic intermediates in these reactions, representing the first examples on the operation of ET pathways in dioxirane-mediated C(sp3)-H bond oxygenations. Computations support these findings, showing that formation of cationic intermediates is associated with specific stabilizing hyperconjugative interactions between the incipient carbon radical and the cyclopropane C-C bonding orbitals that trigger ET to the incipient dioxirane derived 1,1,1-trifluoro-2-hydroxy-2-butoxyl radical.
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Affiliation(s)
- Marco Galeotti
- Dipartimento
di Scienze e Tecnologie Chimiche, Università
“Tor Vergata”, Via della Ricerca Scientifica 1, I-00133, Rome, Italy
- QBIS
Research Group, Institut de Química Computacional i Catàlisi
(IQCC) and Departament de Química, Universitat de Girona, Campus Montilivi, Girona E-17071, Catalonia, Spain
| | - Woojin Lee
- Department
of Chemistry and Biochemistry, University
of California, Los Angeles, California 90095, United States
| | - Sergio Sisti
- Dipartimento
di Scienze e Tecnologie Chimiche, Università
“Tor Vergata”, Via della Ricerca Scientifica 1, I-00133, Rome, Italy
| | - Martina Casciotti
- Dipartimento
di Scienze e Tecnologie Chimiche, Università
“Tor Vergata”, Via della Ricerca Scientifica 1, I-00133, Rome, Italy
| | - Michela Salamone
- Dipartimento
di Scienze e Tecnologie Chimiche, Università
“Tor Vergata”, Via della Ricerca Scientifica 1, I-00133, Rome, Italy
| | - K. N. Houk
- Department
of Chemistry and Biochemistry, University
of California, Los Angeles, California 90095, United States
| | - Massimo Bietti
- Dipartimento
di Scienze e Tecnologie Chimiche, Università
“Tor Vergata”, Via della Ricerca Scientifica 1, I-00133, Rome, Italy
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3
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Zhang Y, Cao C, She Y, Yang YF, Houk KN. Molecular Dynamics of Iron Porphyrin-Catalyzed C-H Hydroxylation of Ethylbenzene. J Am Chem Soc 2023. [PMID: 37329571 DOI: 10.1021/jacs.3c03773] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
Quasi-classical molecular dynamics (MD) simulations were carried out to study the mechanism of iron porphyrin-catalyzed hydroxylation of ethylbenzene. The hydrogen atom abstraction from ethylbenzene by iron-oxo species is the rate-determining step, which generates the radical pair of iron-hydroxo species and the benzylic radical. In the subsequent radical rebound step, the iron-hydroxo species and benzylic radical recombine to form the hydroxylated product, which is barrierless on the doublet energy surface. In the gas-phase quasi-classical MD study on the doublet energy surface, 45% of the reactive trajectories lead directly to the hydroxylated product, and this increases to 56% in implicit solvent model simulations. The percentage of reactive trajectories leading to the separated radical pair is 98-100% on high-spin (quartet/sextet) energy surfaces. The low-spin state reactivity dominates in the hydroxylation of ethylbenzene, which is dynamically both concerted and stepwise, since the time gap between C-H bond cleavage and C-O bond formation ranges from 41 to 619 fs. By contrast, the high-spin state catalysis is an energetically stepwise process, which has a negligible contribution to the formation of hydroxylation products.
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Affiliation(s)
- Yaling Zhang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China
| | - Chaoqin Cao
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China
| | - Yuanbin She
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China
| | - Yun-Fang Yang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China
| | - K N Houk
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
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4
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Senda R, Watanabe Y, Miwa S, Sato A, Kitagawa O. Synthesis of Isotopic Atropisomers Based on 12C/ 13C Discrimination. J Org Chem 2023. [PMID: 37300502 DOI: 10.1021/acs.joc.3c01004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Quinazolin-4-one derivatives possessing an isotopic atropisomerism (isotopic N-C axial chirality) based on ortho-12CH3/13CH3 discrimination were prepared. The diastereomeric quinazolin-4-ones bearing an asymmetric carbon as well as an isotopic atropisomerism were clearly discriminated by 1H and 13C NMR spectra and revealed to possess high rotational stability and stereochemical purity.
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Affiliation(s)
- Ryunosuke Senda
- Department of Applied Chemistry, Shibaura Institute of Technology, 3-7-5 Toyosu, Kohto-ku, Tokyo 135-8548, Japan
| | - Yuka Watanabe
- Department of Applied Chemistry, Shibaura Institute of Technology, 3-7-5 Toyosu, Kohto-ku, Tokyo 135-8548, Japan
| | - Shota Miwa
- Department of Applied Chemistry, Shibaura Institute of Technology, 3-7-5 Toyosu, Kohto-ku, Tokyo 135-8548, Japan
| | - Azusa Sato
- School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, 1432-1, Horinouchi, Hachioji, Tokyo 192-0392, Japan
| | - Osamu Kitagawa
- Department of Applied Chemistry, Shibaura Institute of Technology, 3-7-5 Toyosu, Kohto-ku, Tokyo 135-8548, Japan
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5
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Li Y, Ji GC, Chao C, Bi S, Jiang YY. Computation Study on Copper-Catalyzed Aerobic Intramolecular Aminooxyge native C═C Bond Cleavage to Imides: Different Roles of Mononuclear and Dinuclear Copper Complexes. ACS Catal 2023. [DOI: 10.1021/acscatal.2c06040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
Affiliation(s)
- Yu Li
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, People′s Republic of China
| | - Guo-Cui Ji
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, People′s Republic of China
| | - Chen Chao
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, People′s Republic of China
| | - Siwei Bi
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, People′s Republic of China
| | - Yuan-Ye Jiang
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu 273165, People′s Republic of China
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6
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Yadav V, Wen L, Rodriguez RJ, Siegler MA, Goldberg DP. Nonheme Iron(III) Azide and Iron(III) Isothiocyanate Complexes: Radical Rebound Reactivity, Selectivity, and Catalysis. J Am Chem Soc 2022; 144:20641-20652. [PMID: 36382466 PMCID: PMC10226418 DOI: 10.1021/jacs.2c07224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
The new nonheme iron complexes FeII(BNPAPh2O)(N3) (1), FeIII(BNPAPh2O)(OH)(N3) (2), FeII(BNPAPh2O)(OH) (3), FeIII(BNPAPh2O)(OH)(NCS) (4), FeII(BNPAPh2O)(NCS) (5), FeIII(BNPAPh2O)(NCS)2 (6), and FeIII(BNPAPh2O)(N3)2 (7) (BNPAPh2O = 2-(bis((6-(neopentylamino)pyridin-2-yl) methyl)amino)-1,1-diphenylethanolate) were synthesized and characterized by single crystal X-ray diffraction (XRD), as well as by 1H NMR, 57Fe Mössbauer, and ATR-IR spectroscopies. Complex 2 was reacted with a series of carbon radicals, ArX3C· (ArX = p-X-C6H4), analogous to the proposed radical rebound step for nonheme iron hydroxylases and halogenases. The results show that for ArX3C· (X = Cl, H, tBu), only OH· transfer occurs to give ArX3COH. However, when X = OMe, a mixture of alcohol (ArX3COH) (30%) and azide (ArX3CN3) (40%) products was obtained. These data indicate that the rebound selectivity is influenced by the electron-rich nature of the carbon radicals for the azide complex. Reaction of 2 with Ph3C· in the presence of Sc3+ or H+ reverses the selectivity, giving only the azide product. In contrast to the mixed selectivity seen for 2, the reactivity of cis-FeIII(OH)(NCS) with the X = OMe radical derivative leads only to hydroxylation. Catalytic azidation was achieved with 1 as catalyst, λ3-azidoiodane as oxidant and azide source, and Ph3CH as test substrate, giving Ph3CN3 in 84% (TON = 8). These studies show that hydroxylation is favored over azidation for nonheme iron(III) complexes, but the nature of the carbon radical can alter this selectivity. If an OH· transfer pathway can be avoided, the FeIII(N3) complexes are capable of mediating both stoichiometric and catalytic azidation.
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Affiliation(s)
- Vishal Yadav
- Department of Chemistry, The Johns Hopkins
University, 3400 North Charles Street, Baltimore, Maryland, 21218, USA
| | - Lyupeng Wen
- Department of Chemistry, The Johns Hopkins
University, 3400 North Charles Street, Baltimore, Maryland, 21218, USA
| | - Rodolfo J. Rodriguez
- Department of Chemistry, The Johns Hopkins
University, 3400 North Charles Street, Baltimore, Maryland, 21218, USA
| | - Maxime A. Siegler
- Department of Chemistry, The Johns Hopkins
University, 3400 North Charles Street, Baltimore, Maryland, 21218, USA
| | - David P. Goldberg
- Department of Chemistry, The Johns Hopkins
University, 3400 North Charles Street, Baltimore, Maryland, 21218, USA
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7
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Miwa S, Senda R, Saito K, Sato A, Nakamura Y, Kitagawa O. Asymmetric Synthesis of Isotopic Atropisomers based on ortho-CH 3/CD 3 Discrimination and Their Structural Properties. J Org Chem 2022; 87:13501-13507. [PMID: 36214390 DOI: 10.1021/acs.joc.2c02185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
N-C axially chiral 3-(2-trideuteriomethyl-4,6-dimethylphenyl)-2-ethylquinazolin-4-ones and 3-(2-trideuteriomethyl-4,6-dimethylphenyl)-2-(1-phenylpropan-2-yl)quinazolin-4-ones were prepared in high enantio- and diastereomeric purities (98% ee). These quinazolinone derivatives are isotopic atropisomers based on ortho-CH3/CD3 discrimination and were revealed to possess a slight optical rotation and high rotational stability.
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Affiliation(s)
- Shota Miwa
- Department of Applied Chemistry (Japanese Association of Bio-intelligence for Well-being), Shibaura Institute of Technology, 3-7-5 Toyosu, Kohto-ku, Tokyo 135-8548, Japan
| | - Ryunosuke Senda
- Department of Applied Chemistry (Japanese Association of Bio-intelligence for Well-being), Shibaura Institute of Technology, 3-7-5 Toyosu, Kohto-ku, Tokyo 135-8548, Japan
| | - Kazuya Saito
- Department of Applied Chemistry (Japanese Association of Bio-intelligence for Well-being), Shibaura Institute of Technology, 3-7-5 Toyosu, Kohto-ku, Tokyo 135-8548, Japan
| | - Azusa Sato
- Division of Basic Sciences, Center for Medical and Nursing Education, Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo 162-8666, Japan
| | - Yuko Nakamura
- Division of Basic Sciences, Center for Medical and Nursing Education, Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo 162-8666, Japan
| | - Osamu Kitagawa
- Department of Applied Chemistry (Japanese Association of Bio-intelligence for Well-being), Shibaura Institute of Technology, 3-7-5 Toyosu, Kohto-ku, Tokyo 135-8548, Japan
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8
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Omura K, Aiba Y, Suzuki K, Ariyasu S, Sugimoto H, Shoji O. A P450 Harboring Manganese Protoporphyrin IX Generates a Manganese Analogue of Compound I by Activating Dioxygen. ACS Catal 2022. [DOI: 10.1021/acscatal.2c01345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Keita Omura
- Department of Chemistry, Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602, Japan
| | - Yuichiro Aiba
- Department of Chemistry, Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602, Japan
| | - Kazuto Suzuki
- Department of Chemistry, Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602, Japan
| | - Shinya Ariyasu
- Department of Chemistry, Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602, Japan
| | - Hiroshi Sugimoto
- RIKEN SPring-8 Center, Harima Institute, 1-1-1 Kouto, Sayo, Hyogo 679-5148, Japan
- Core Research for Evolutional Science and Technology (Japan), Science and Technology Agency, 5 Sanbancho, Chiyoda-ku, Tokyo 102-0075, Japan
| | - Osami Shoji
- Department of Chemistry, Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8602, Japan
- Core Research for Evolutional Science and Technology (Japan), Science and Technology Agency, 5 Sanbancho, Chiyoda-ku, Tokyo 102-0075, Japan
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9
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Mills MD, Sonstrom RE, Vang ZP, Neill JL, Scolati HN, West CT, Pate BH, Clark JR. Enantioselective Synthesis of Enantioisotopomers with Quantitative Chiral Analysis by Chiral Tag Rotational Spectroscopy. Angew Chem Int Ed Engl 2022; 61:e202207275. [PMID: 35700045 PMCID: PMC9403034 DOI: 10.1002/anie.202207275] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Indexed: 01/13/2023]
Abstract
Fundamental to the synthesis of enantioenriched chiral molecules is the ability to assign absolute configuration at each stereogenic center, and to determine the enantiomeric excess for each compound. While determination of enantiomeric excess and absolute configuration is often considered routine in many facets of asymmetric synthesis, the same determinations for enantioisotopomers remains a formidable challenge. Here, we report the first highly enantioselective metal-catalyzed synthesis of enantioisotopomers that are chiral by virtue of deuterium substitution along with the first general spectroscopic technique for assignment of the absolute configuration and quantitative determination of the enantiomeric excess of isotopically chiral molecules. Chiral tag rotational spectroscopy uses noncovalent chiral derivatization, which eliminates the possibility of racemization during derivatization, to perform the chiral analysis without the need of reference samples of the enantioisotopomer.
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Affiliation(s)
| | | | - Zoua Pa Vang
- Department of ChemistryMarquette UniversityMilwaukeeWI 53233USA
| | - Justin L. Neill
- BrightSpec Inc.770 Harris Street Suite 104bCharlottesvilleVA 22903USA
| | - Haley N. Scolati
- Department of ChemistryUniversity of VirginiaCharlottesvilleVA 22904USA
| | - Channing T. West
- Department of ChemistryUniversity of VirginiaCharlottesvilleVA 22904USA
| | - Brooks H. Pate
- Department of ChemistryUniversity of VirginiaCharlottesvilleVA 22904USA
| | - Joseph R. Clark
- Department of ChemistryMarquette UniversityMilwaukeeWI 53233USA
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10
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Han J, Tan L, Wan Y, Li G, Anderson SN. C(sp 3)-H oxidation and chlorination catalysed by a bioinspired pincer iron(III) complex. Dalton Trans 2022; 51:11620-11624. [PMID: 35895115 DOI: 10.1039/d2dt02005j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A pincer iron(III) catalyst for the oxidation and chlorination of C(sp3)-H bonds was developed. Oxidation of a diagnostic substrate cis-decalin implies that a long-lived carbon-centred radical is involved. Mechanistic studies suggest that an Fe-oxo species could be responsible for the rate-determining C-H activation step. This report expands the scope of non-heme catalysts for C-H functionalisation.
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Affiliation(s)
- Jian Han
- Department of Chemistry and Biochemistry, Utah State University, Logan, Utah, 84322, USA.
| | - Liming Tan
- Department of Chemistry and Biochemistry, Utah State University, Logan, Utah, 84322, USA.
| | - Yanjun Wan
- Department of Chemistry and Biochemistry, Utah State University, Logan, Utah, 84322, USA.
| | - Gang Li
- Department of Chemistry and Biochemistry, Utah State University, Logan, Utah, 84322, USA.
| | - Stephen N Anderson
- Department of Chemistry and Biochemistry, Utah State University, Logan, Utah, 84322, USA.
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11
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Pate BH, Mills MD, Sonstrom RE, Vang ZP, Neill JL, Scolati HN, West CT, Clark JR. Enantioselective Synthesis of Enantioisotopomers with Quantitative Chiral Analysis by Chiral Tag Rotational Spectroscopy. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202207275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Brooks H. Pate
- University of Virginia Department of Chemistry McCormick RoadP.O. Box 400319 22904-4319 Charlottesville UNITED STATES
| | | | | | | | - Justin L. Neill
- BrightSpec NA 770 Harris St.Suite 104b 22903 Charlottesville UNITED STATES
| | | | | | - Joseph R. Clark
- Marquette University Chemistry Department of ChemistryMarquette University 53233 Milwaukee UNITED STATES
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12
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Coutard N, Musgrave CB, Moon J, Liebov NS, Nielsen RM, Goldberg JM, Li M, Jia X, Lee S, Dickie DA, Schinski WL, Wu Z, Groves JT, Goddard WA, Gunnoe TB. Manganese Catalyzed Partial Oxidation of Light Alkanes. ACS Catal 2022. [DOI: 10.1021/acscatal.2c00982] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Nathan Coutard
- Department of Chemistry, University of Virginia, Charlottesville, Virginia 22904, United States
| | - Charles B. Musgrave
- Materials and Process Simulation Center, California Institute of Technology, Pasadena, California 91125, United States
| | - Jisue Moon
- Chemical Science Division, Oak Ridge National Lab, Oak Ridge, Tennessee 37831, United States
| | - Nichole S. Liebov
- Department of Chemistry, University of Virginia, Charlottesville, Virginia 22904, United States
| | - Robert M. Nielsen
- Materials and Process Simulation Center, California Institute of Technology, Pasadena, California 91125, United States
| | - Jonathan M. Goldberg
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
| | - Meijun Li
- Chemical Science Division, Oak Ridge National Lab, Oak Ridge, Tennessee 37831, United States
| | - Xiaofan Jia
- Department of Chemistry, University of Virginia, Charlottesville, Virginia 22904, United States
| | - Sungsik Lee
- X-ray Science Division, Argonne National Laboratory, Lemont, Illinois 60439, United States
| | - Diane A. Dickie
- Department of Chemistry, University of Virginia, Charlottesville, Virginia 22904, United States
| | | | - Zili Wu
- Chemical Science Division, Oak Ridge National Lab, Oak Ridge, Tennessee 37831, United States
| | - John T. Groves
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
| | - William A. Goddard
- Materials and Process Simulation Center, California Institute of Technology, Pasadena, California 91125, United States
| | - T. Brent Gunnoe
- Department of Chemistry, University of Virginia, Charlottesville, Virginia 22904, United States
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13
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Galeotti M, Vicens L, Salamone M, Costas M, Bietti M. Resolving Oxygenation Pathways in Manganese-Catalyzed C(sp 3)-H Functionalization via Radical and Cationic Intermediates. J Am Chem Soc 2022; 144:7391-7401. [PMID: 35417154 PMCID: PMC9052745 DOI: 10.1021/jacs.2c01466] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
![]()
The C(sp3)–H bond oxygenation of the cyclopropane-containing
mechanistic probes 6-tert-butylspiro[2.5]octane and
spiro[2.5]octane with hydrogen peroxide catalyzed by manganese complexes
bearing aminopyridine tetradentate ligands has been studied. Mixtures
of unrearranged and rearranged oxygenation products (alcohols, ketones,
and esters) are obtained, suggesting the involvement of cationic intermediates
and the contribution of different pathways following the initial hydrogen
atom transfer-based C–H bond cleavage step. Despite such a
complex mechanistic scenario, a judicious choice of the catalyst structure
and reaction conditions (solvent, temperature, and carboxylic acid)
could be employed to resolve these oxygenation pathways, leading,
with the former substrate, to conditions where a single unrearranged
or rearranged product is obtained in good isolated yield. Taken together,
the work demonstrates an unprecedented ability to precisely direct
the chemoselectivity of the C–H oxidation reaction, discriminating
among multiple pathways. In addition, these results conclusively demonstrate
that stereospecific C(sp3)–H oxidation can take
place via a cationic intermediate and that this path can become exclusive
in governing product formation, expanding the available toolbox of
aliphatic C–H bond oxygenations. The implications of these
findings are discussed in the framework of the development of synthetically
useful C–H functionalization procedures and the associated
mechanistic features.
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Affiliation(s)
- Marco Galeotti
- Dipartimento di Scienze e Tecnologie Chimiche, Università"Tor Vergata", Via della Ricerca Scientifica, 1, I-00133 Rome, Italy
| | - Laia Vicens
- QBIS Research Group, Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona, Campus Montilivi, Girona E-17071, Catalonia, Spain
| | - Michela Salamone
- Dipartimento di Scienze e Tecnologie Chimiche, Università"Tor Vergata", Via della Ricerca Scientifica, 1, I-00133 Rome, Italy
| | - Miquel Costas
- QBIS Research Group, Institut de Química Computacional i Catàlisi (IQCC) and Departament de Química, Universitat de Girona, Campus Montilivi, Girona E-17071, Catalonia, Spain
| | - Massimo Bietti
- Dipartimento di Scienze e Tecnologie Chimiche, Università"Tor Vergata", Via della Ricerca Scientifica, 1, I-00133 Rome, Italy
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14
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Durán R, Herrera B. Theoretical study of the substituent effect on the O–H insertion reaction of copper carbenoids. Theor Chem Acc 2022. [DOI: 10.1007/s00214-022-02876-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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15
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Ma Z, Hada M, Nakatani N. Mechanistic insights into the selectivity of norcarane oxidation by oxoMn(V) porphyrin complexes. Chemphyschem 2022; 23:e202100810. [PMID: 34981629 DOI: 10.1002/cphc.202100810] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 12/27/2021] [Indexed: 11/05/2022]
Abstract
OxoMn(V) porphyrin complexes perform competitive hydroxylation, desaturation, and radical rearrangement reactions using diagnostic substrate norcarane. Initial C-H cleavage proceeds through the two hydrogen abstraction steps from the two adjacent carbon on the norcarane, then the selective reaction is performed to generate various products. Using density functional theory calculations, we show that the hydroxylation and desaturation reactions are triggered by a rate-determining H-abstraction step, whereas the rate-determining step for the radical rearrangement is located at the rebound step ( TS2 ). We find that the endo- 2 reaction is favorable over other reactions, which is consistent with the experimental result. Furthermore, the competitive pathways for norcarane oxidation depend on the non-covalent interaction between norcarane and porphyrin-ring, and orbital energy gaps between donor and acceptor orbitals because of stable or unstable acceptor orbital. The stereo- and regio-selectivities of norcarane oxidation are hardly sensitive to the zero-point energy and thermal free energy corrections.
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Affiliation(s)
- Zhifeng Ma
- Tokyo Metropolitan University, Chemistry, 1-1 Minami-Osawa, 192-0397, Tokyo, JAPAN
| | - Masahiko Hada
- Tokyo Metropolitan University - Minamiosawa Campus: Shuto Daigaku Tokyo, Chemistry, JAPAN
| | - Naoki Nakatani
- Tokyo Metropolitan University - Minamiosawa Campus: Shuto Daigaku Tokyo, Chemistry, JAPAN
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16
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Ma Z, Nakatani N, Hada M. Insights into the electronic structure and mechanism of norcarane hydroxylation by OxoMn(V) porphyrin complexes: A density functional theory study. J Comput Chem 2021; 42:1920-1928. [PMID: 34448235 DOI: 10.1002/jcc.26715] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 06/12/2021] [Accepted: 06/15/2021] [Indexed: 11/05/2022]
Abstract
Norcarane hydroxylation by neutral [PorMn(V)O-L] (L═OH- , F- ) and cationic [PorMn(V)O-L]+ (L═H2 O, imidazole) oxoMn(V) porphyrin complex models has been investigated by density functional theory calculations to better understand the reaction mechanism and electronic structure. We found that the energy barriers of norcarane hydroxylation by cationic oxoMn(V) porphyrin complexes are lower than those by neutral oxoMn(V) porphyrin complexes. This indicates that cationic oxoMn(V) porphyrin complexes enhance norcarane hydroxylation compared with neutral oxoMn(V) porphyrin complexes. According to electronic structure analysis, in the C─H activation step, electron transfer occurs through initial interaction between the σCH and rich-oxygen π(Mn═O) orbitals to form real donor orbitals, followed by transfer to the acceptor π*(Mn═O) orbitals. Moreover, single electron shifts from norcarane (CH) to Mn atom during C─H activation. The positive charge of the cationic complex stabilizes the acceptor orbital more than the donor orbital, reducing the energy gap between these orbitals, thus lowering the reaction barrier.
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Affiliation(s)
- Zhifeng Ma
- Department of Chemistry, Graduate School of Science, Tokyo Metropolitan University, Hachioji, Japan
| | - Naoki Nakatani
- Department of Chemistry, Graduate School of Science, Tokyo Metropolitan University, Hachioji, Japan
| | - Masahiko Hada
- Department of Chemistry, Graduate School of Science, Tokyo Metropolitan University, Hachioji, Japan
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17
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Saito K, Miwa S, Iida A, Fujimoto Y, Caytan E, Roussel C, Kitagawa O. Detection of Isotopic Atropisomerism Based on ortho-H/D Discrimination. Org Lett 2021; 23:7492-7496. [PMID: 34515490 DOI: 10.1021/acs.orglett.1c02723] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Racemic and optically active 3-(2-deuteriophenyl)-2-(1-phenylpropan-2-yl)quinazoline-4-thiones were prepared. The nuclear magnetic resonance spectra clearly show that they exist as a 1:1 mixture of diastereomers due to the isotopic atropisomerism based on ortho-H/D discrimination (N-C axial chirality) and a chiral carbon.
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Affiliation(s)
- Kazuya Saito
- Department of Applied Chemistry, Shibaura Institute of Technology, 3-7-5 Toyosu, Kohto-ku, Tokyo 135-8548, Japan
| | - Shota Miwa
- Department of Applied Chemistry, Shibaura Institute of Technology, 3-7-5 Toyosu, Kohto-ku, Tokyo 135-8548, Japan
| | - Asumi Iida
- Department of Applied Chemistry, Shibaura Institute of Technology, 3-7-5 Toyosu, Kohto-ku, Tokyo 135-8548, Japan
| | - Yuuki Fujimoto
- School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo 192-0392, Japan
| | - Elsa Caytan
- Univ Rennes, CNRS, ISCR - UMR 6226, F-35000 Rennes, France
| | - Christian Roussel
- Aix Marseille Université, Centrale Marseille, CNRS, iSm2 UMR 7313, 13397 Cedex 20 Marseille, France
| | - Osamu Kitagawa
- Department of Applied Chemistry (Japanese Association of Bio-intelligence for Well-being), Shibaura Institute of Technology, 3-7-5 Toyosu, Kohto-ku, Tokyo 135-8548, Japan
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18
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Yang S, Chen X, Xiong M, Zhang H, Shi L, Lin D, Liu H. Copper
porphyrin‐catalyzed
C(sp
2
)
—
O bond construction via coupling phenols with formamides. J CHIN CHEM SOC-TAIP 2021. [DOI: 10.1002/jccs.202100046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Shuang Yang
- Department of Chemistry, The Key Laboratory of Fuel Cell Technology of Guangdong Province South China University of Technology Guangzhou China
| | - Xiao‐Yan Chen
- Department of Chemistry, The Key Laboratory of Fuel Cell Technology of Guangdong Province South China University of Technology Guangzhou China
| | - Ming‐Feng Xiong
- Department of Chemistry, The Key Laboratory of Fuel Cell Technology of Guangdong Province South China University of Technology Guangzhou China
| | - Hao Zhang
- Department of Chemistry, The Key Laboratory of Fuel Cell Technology of Guangdong Province South China University of Technology Guangzhou China
| | - Lei Shi
- Department of Chemistry Guangdong University of Education Guangzhou China
| | - Dong‐Zi Lin
- Department of Laboratory Medicine Foshan Fourth People's Hospital Foshan China
| | - Hai‐Yang Liu
- Department of Chemistry, The Key Laboratory of Fuel Cell Technology of Guangdong Province South China University of Technology Guangzhou China
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19
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Chen L, Malollari KG, Uliana A, Hartwig JF. Ruthenium-Catalyzed, Chemoselective and Regioselective Oxidation of Polyisobutene. J Am Chem Soc 2021; 143:4531-4535. [PMID: 33734671 DOI: 10.1021/jacs.1c00125] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Polyolefins are important commodity plastics, yet their lack of functional groups limits their applications. The functionalization of C-H bonds holds promise for incorporating functionalities into polymers of ethylene and linear α-olefins. However, the selective functionalization of polyolefins derived from branched alkenes, even monobranched, 1,1-substituted alkenes, has not been achieved. These polymers are less reactive, due to steric effects, and they are prone to chain scission that degrades the polymer. We report the chemoselective and regioselective oxidation of a commercially important polymer of a branched olefin, polyisobutene. A polyfluorinated ruthenium-porphyrin catalyst incorporates ketone units into polyisobutene at methylene positions without chain cleavage. The oxidized polymer is thermally stable, yet it undergoes programmed reactions and possesses enhanced wetting properties.
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Affiliation(s)
- Liye Chen
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Katerina G Malollari
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Adam Uliana
- Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - John F Hartwig
- Department of Chemistry, University of California, Berkeley, California 94720, United States
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20
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Zhao R, Chen XY, Wang ZX. Insight into the Selective Methylene Oxidation Catalyzed by Mn(CF 3-PDP)(SbF 6) 2/H 2O 2/CH 2ClCO 2H) System: A DFT Mechanistic Study. Org Lett 2021; 23:1535-1540. [PMID: 33587643 DOI: 10.1021/acs.orglett.0c04102] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
DFT study was employed to gain insight into methylene oxidation catalyzed by Mn(CF3-PDP)(NCMe)2 (SbF6)2/H2O2/HOAcCl(OACCl ═OC(O)CH2Cl). The active catalyst was characterized to be [Mn](O)OAcCl ([Mn]═Mn(CF3-PDP)2+) which is generated via a sequence from [Mn] to [Mn]OH to [Mn]OAcCl to [Mn]OOH. With the active catalyst, the methylene group is sequentially oxidized to an alcohol and then to a carbonyl group via rebound mechanism. The mechanism explains the observed site selectivity.
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Affiliation(s)
- Ruihua Zhao
- School of Chemical Sciences, University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Xiang-Yu Chen
- School of Chemical Sciences, University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Zhi-Xiang Wang
- School of Chemical Sciences, University of the Chinese Academy of Sciences, Beijing 100049, China
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21
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Liu N, Chen X, Jin L, Yang YF, She YB. A mechanistic study of the manganese porphyrin-catalyzed C–H isocyanation reaction. Org Chem Front 2021. [DOI: 10.1039/d0qo01442g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The favourable radical rebound pathway is NCO-rebound from the Mn(TMP)(NCO)2 complex due to the stronger trans effect of the axial ligand NCO and the electron-donating aryl substituents on the porphyrin ligand.
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Affiliation(s)
- Ning Liu
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou
- China
| | - Xiahe Chen
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou
- China
| | - Liyuan Jin
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou
- China
| | - Yun-Fang Yang
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou
- China
| | - Yuan-Bin She
- College of Chemical Engineering
- Zhejiang University of Technology
- Hangzhou
- China
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22
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Jin L, Wang Q, Chen X, Liu N, Fang X, Yang YF, She YB. Computational Studies on the Mechanism and Origin of the Different Regioselectivities of Manganese Porphyrin-Catalyzed C-H Bond Hydroxylation and Amidation of Equilenin Acetate. J Org Chem 2020; 85:14879-14889. [PMID: 33225704 DOI: 10.1021/acs.joc.0c01444] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The manganese porphyrin-catalyzed C-H bond hydroxylation and amidation of equilenin acetate developed by Breslow and his co-worker have been investigated with density functional theory (DFT) calculations. The hydroxylation of C(sp2)-H bond of equilenin acetate leading to the 6-hydroxylated product is more favorable than the hydroxylation of C(sp3)-H bond of equilenin acetate, leading to the 11β-hydroxylation product. The computational results suggest that the C(sp2)-H bond hydroxylation of equilenin acetate undergoes an oxygen-atom-transfer mechanism, which is more favorable than the C(sp3)-H bond hydroxylation undergoing the hydrogen-atom-abstraction/oxygen-rebound (HAA/OR) mechanism by 1.6 kcal/mol. That is why, the 6-hydroxylated product is the major product and the 11β-hydroxylated product is the minor product. In contrast, the 11β-amidated product is the only observed product in manganese porphyrin-catalyzed amidation reaction. The benzylic amidation undergoes a hydrogen-atom-abstraction/nitrogen-rebound (HAA/NR) mechanism, in which hydrogen atom abstraction is followed by nitrogen rebound, leading to the 11β-amidated product. The benzylic C(sp3)-H bond amidation at the C-11 position is more favorable than aromatic amidation at the C-6 position by 4.9 kcal/mol. Therefore, the DFT computational results are consistent with the experiments that manganese porphyrin-catalyzed C-H bond hydroxylation and amidation of equilenin acetate have different regioselectivities.
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Affiliation(s)
- Liyuan Jin
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China
| | - Qunmin Wang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China
| | - Xiahe Chen
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China
| | - Ning Liu
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China
| | - Xiaoli Fang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China
| | - Yun-Fang Yang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China
| | - Yuan-Bin She
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, Zhejiang 310014, China
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23
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Sun S, Yang Y, Zhao R, Zhang D, Liu L. Site- and Enantiodifferentiating C(sp 3)-H Oxidation Enables Asymmetric Access to Structurally and Stereochemically Diverse Saturated Cyclic Ethers. J Am Chem Soc 2020; 142:19346-19353. [PMID: 33140964 DOI: 10.1021/jacs.0c09636] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A manganese-catalyzed site- and enantiodifferentiating oxidation of C(sp3)-H bonds in saturated cyclic ethers has been described. The mild and practical method is applicable to a range of tetrahydrofurans, tetrahydropyrans, and medium-sized cyclic ethers with multiple stereocenters and diverse substituent patterns in high efficiency with extremely efficient site- and enantiodiscrimination. Late-stage application in complex biological active molecules was further demonstrated. Mechanistic studies by combined experiments and computations elucidated the reaction mechanism and origins of stereoselectivity. The ability to employ ether substrates as the limiting reagent, together with a broad substrate scope, and a high level of chiral recognition, represent a valuable demonstration of the utility of asymmetric C(sp3)-H oxidation in complex molecule synthesis.
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Affiliation(s)
- Shutao Sun
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China.,School of Pharmaceutical Sciences, Shandong University, Jinan 250012, China
| | - Yiying Yang
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
| | - Ran Zhao
- School of Pharmaceutical Sciences, Shandong University, Jinan 250012, China
| | - Dongju Zhang
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
| | - Lei Liu
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China.,School of Pharmaceutical Sciences, Shandong University, Jinan 250012, China
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24
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Cummins DC, Alvarado JG, Zaragoza JPT, Effendy Mubarak MQ, Lin YT, de Visser SP, Goldberg DP. Hydroxyl Transfer to Carbon Radicals by Mn(OH) vs Fe(OH) Corrole Complexes. Inorg Chem 2020; 59:16053-16064. [PMID: 33047596 DOI: 10.1021/acs.inorgchem.0c02640] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The transfer of •OH from metal-hydroxo species to carbon radicals (R•) to give hydroxylated products (ROH) is a fundamental process in metal-mediated heme and nonheme C-H bond oxidations. This step, often referred to as the hydroxyl "rebound" step, is typically very fast, making direct study of this process challenging if not impossible. In this report, we describe the reactions of the synthetic models M(OH)(ttppc) (M = Fe (1), Mn (3); ttppc = 5,10,15-tris(2,4,6-triphenyl)phenyl corrolato3-) with a series of triphenylmethyl carbon radical (R•) derivatives ((4-X-C6H4)3C•; X = OMe, tBu, Ph, Cl, CN) to give the one-electron reduced MIII(ttppc) complexes and ROH products. Rate constants for 3 for the different radicals ranged from 11.4(1) to 58.4(2) M-1 s-1, as compared to those for 1, which fall between 0.74(2) and 357(4) M-1 s-1. Linear correlations for Hammett and Marcus plots for both Mn and Fe were observed, and the small magnitudes of the slopes for both correlations imply a concerted •OH transfer reaction for both metals. Eyring analyses of reactions for 1 and 3 with (4-X-C6H4)3C• (X = tBu, CN) also give good linear correlations, and a comparison of the resulting activation parameters highlight the importance of entropy in these •OH transfer reactions. Density functional theory calculations of the reaction profiles show a concerted process with one transition state for all radicals investigated and help to explain the electronic features of the OH rebound process.
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Affiliation(s)
- Daniel C Cummins
- Department of Chemistry, The Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, United States
| | - Jessica G Alvarado
- Department of Chemistry, The Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, United States
| | - Jan Paulo T Zaragoza
- Department of Chemistry, The Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, United States
| | - Muhammad Qadri Effendy Mubarak
- Manchester Institute of Biotechnology and Department of Chemical Engineering and Analytical Science, The University of Manchester, 131 Princess Street, Manchester M1 7DN, United Kingdom
| | - Yen-Ting Lin
- Manchester Institute of Biotechnology and Department of Chemical Engineering and Analytical Science, The University of Manchester, 131 Princess Street, Manchester M1 7DN, United Kingdom
| | - Sam P de Visser
- Manchester Institute of Biotechnology and Department of Chemical Engineering and Analytical Science, The University of Manchester, 131 Princess Street, Manchester M1 7DN, United Kingdom
| | - David P Goldberg
- Department of Chemistry, The Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, United States
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25
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Bakhoda AG, Wiese S, Greene C, Figula BC, Bertke JA, Warren TH. Radical Capture at Nickel(II) Complexes: C–C, C–N, and C–O Bond Formation. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00021] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Abolghasem Gus Bakhoda
- Georgetown University, Department of Chemistry, Washington, District of Columbia 20057-1227, United States
| | - Stefan Wiese
- Georgetown University, Department of Chemistry, Washington, District of Columbia 20057-1227, United States
| | - Christine Greene
- Georgetown University, Department of Chemistry, Washington, District of Columbia 20057-1227, United States
| | - Bryan C. Figula
- Georgetown University, Department of Chemistry, Washington, District of Columbia 20057-1227, United States
| | - Jeffery A. Bertke
- Georgetown University, Department of Chemistry, Washington, District of Columbia 20057-1227, United States
| | - Timothy H. Warren
- Georgetown University, Department of Chemistry, Washington, District of Columbia 20057-1227, United States
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26
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Zaitseva SV, Tyulyaeva EY, Tyurin DV, Zdanovich SA, Koifman OI. Carbido-bridged diruthenium bis-phthalocyanine as a biomimetic catalyst in oxidation of β-carotene. J Organomet Chem 2020. [DOI: 10.1016/j.jorganchem.2020.121164] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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27
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Burg F, Breitenlechner S, Jandl C, Bach T. Enantioselective oxygenation of exocyclic methylene groups by a manganese porphyrin catalyst with a chiral recognition site. Chem Sci 2020; 11:2121-2129. [PMID: 34123300 PMCID: PMC8150113 DOI: 10.1039/c9sc06089h] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
The natural enzyme cytochrome P450 is widely recognised for its unique ability to catalyse highly selective oxygen insertion reactions into unactivated C–H bonds under mild conditions. Its exceptional potential for organic synthesis served as an inspiration for the presented biomimetic hydroxylation approach. Via a remote hydrogen bonding motif a high enantioselectivity in the manganese-catalysed oxygenation of quinolone analogues (27 examples, 18–64% yield, 80–99% ee) was achieved. The site-selectivity was completely altered in favour of a less reactive but more accessible position. A Mn porphyrin complex with a remote hydrogen bonding motif induces a high enantioselectivity in the oxygenation of 3-alkylquinolones. Compared to an achiral Mn complex, the site-selectivity was completely altered in favour of less reactive methylene groups.![]()
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Affiliation(s)
- Finn Burg
- Department Chemie, Catalysis Research Center (CRC), Technische Universität München 85747 Garching Germany +49 89 28913315 +49 89 28913330
| | - Stefan Breitenlechner
- Department Chemie, Catalysis Research Center (CRC), Technische Universität München 85747 Garching Germany +49 89 28913315 +49 89 28913330
| | - Christian Jandl
- Department Chemie, Catalysis Research Center (CRC), Technische Universität München 85747 Garching Germany +49 89 28913315 +49 89 28913330
| | - Thorsten Bach
- Department Chemie, Catalysis Research Center (CRC), Technische Universität München 85747 Garching Germany +49 89 28913315 +49 89 28913330
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28
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Wang Q, Chen X, Li G, Chen Q, Yang YF, She YB. Computational Exploration of Chiral Iron Porphyrin-Catalyzed Asymmetric Hydroxylation of Ethylbenzene Where Stereoselectivity Arises from π-π Stacking Interaction. J Org Chem 2019; 84:13755-13763. [PMID: 31599588 DOI: 10.1021/acs.joc.9b01989] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
The mechanism and origins of stereoselectivity of chiral iron porphyrin-catalyzed asymmetric hydroxylation of ethylbenzene were explored with density functional theory. The hydrogen atom abstraction is the rate- and stereoselectivity-determining step. In good agreement with experimental results, the formation of the (R)-1-phenylethanol product is found to be the most favorable pathway. The transition state of hydrogen atom abstraction which leads to the (S)-1-phenylethanol product is unfavorable by 1.7 kcal/mol compared to the corresponding transition state which leads to the (R)-1-phenylethanol product. Enantioselectivity arises from an attractive π-π stacking interaction between the phenyl group of ethylbenzene substrate and the naphthyl group of the porphyrin ligand.
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Affiliation(s)
- Qunmin Wang
- College of Chemical Engineering , Zhejiang University of Technology , Hangzhou , Zhejiang 310014 , China
| | - Xiahe Chen
- College of Chemical Engineering , Zhejiang University of Technology , Hangzhou , Zhejiang 310014 , China
| | - Guijie Li
- College of Chemical Engineering , Zhejiang University of Technology , Hangzhou , Zhejiang 310014 , China
| | - Qidong Chen
- College of Chemical Engineering , Zhejiang University of Technology , Hangzhou , Zhejiang 310014 , China
| | - Yun-Fang Yang
- College of Chemical Engineering , Zhejiang University of Technology , Hangzhou , Zhejiang 310014 , China
| | - Yuan-Bin She
- College of Chemical Engineering , Zhejiang University of Technology , Hangzhou , Zhejiang 310014 , China
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29
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Li G, Kates PA, Dilger AK, Cheng PT, Ewing WR, Groves JT. Manganese-Catalyzed Desaturation of N-Acyl Amines and Ethers. ACS Catal 2019. [DOI: 10.1021/acscatal.9b03457] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Gang Li
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
| | - Patrick A. Kates
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
| | - Andrew K. Dilger
- Bristol-Myers Squibb, P.O. Box 5400, Princeton, New Jersey 08543-5400, United States
| | - Peter T. Cheng
- Bristol-Myers Squibb, P.O. Box 5400, Princeton, New Jersey 08543-5400, United States
| | - William R. Ewing
- Bristol-Myers Squibb, P.O. Box 5400, Princeton, New Jersey 08543-5400, United States
| | - John T. Groves
- Department of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
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30
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Detection of reactive intermediates in manganese(III) porphyrin catalyzed oxidation reaction using 2,4,6-tri-tert-butylphenol as probe substrate. Inorganica Chim Acta 2019. [DOI: 10.1016/j.ica.2019.119004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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31
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Küppers J, Rabus R, Wilkes H, Christoffers J. Optically Active 1-Deuterio-1-phenylethane - Preparation and Proof of Enantiopurity. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900121] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Julian Küppers
- Institut für Chemie; Carl von Ossietzky Universität Oldenburg; 26111 Oldenburg Germany
| | - Ralf Rabus
- Institut für Chemie und Biologie des Meeres (ICBM); Carl von Ossietzky Universität Oldenburg; 26111 Oldenburg Germany
| | - Heinz Wilkes
- Institut für Chemie und Biologie des Meeres (ICBM); Carl von Ossietzky Universität Oldenburg; 26111 Oldenburg Germany
| | - Jens Christoffers
- Institut für Chemie; Carl von Ossietzky Universität Oldenburg; 26111 Oldenburg Germany
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32
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Guo M, Corona T, Ray K, Nam W. Heme and Nonheme High-Valent Iron and Manganese Oxo Cores in Biological and Abiological Oxidation Reactions. ACS CENTRAL SCIENCE 2019; 5:13-28. [PMID: 30693322 PMCID: PMC6346628 DOI: 10.1021/acscentsci.8b00698] [Citation(s) in RCA: 226] [Impact Index Per Article: 45.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Indexed: 05/23/2023]
Abstract
Utilization of O2 as an abundant and environmentally benign oxidant is of great interest in the design of bioinspired synthetic catalytic oxidation systems. Metalloenzymes activate O2 by employing earth-abundant metals and exhibit diverse reactivities in oxidation reactions, including epoxidation of olefins, functionalization of alkane C-H bonds, arene hydroxylation, and syn-dihydroxylation of arenes. Metal-oxo species are proposed as reactive intermediates in these reactions. A number of biomimetic metal-oxo complexes have been synthesized in recent years by activating O2 or using artificial oxidants at iron and manganese centers supported on heme or nonheme-type ligand environments. Detailed reactivity studies together with spectroscopy and theory have helped us understand how the reactivities of these metal-oxygen intermediates are controlled by the electronic and steric properties of the metal centers. These studies have provided important insights into biological reactions, which have contributed to the design of biologically inspired oxidation catalysts containing earth-abundant metals like iron and manganese. In this Outlook article, we survey a few examples of these advances with particular emphasis in each case on the interplay of catalyst design and our understanding of metalloenzyme structure and function.
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Affiliation(s)
- Mian Guo
- Department
of Chemistry and Nano Science, Ewha Womans
University, Seoul 03760, Korea
| | - Teresa Corona
- Department
of Chemistry, Humboldt-Universität
zu Berlin, Brook-Taylor-Strasse 2, 12489 Berlin, Germany
| | - Kallol Ray
- Department
of Chemistry, Humboldt-Universität
zu Berlin, Brook-Taylor-Strasse 2, 12489 Berlin, Germany
| | - Wonwoo Nam
- Department
of Chemistry and Nano Science, Ewha Womans
University, Seoul 03760, Korea
- State
Key Laboratory for Oxo Synthesis and Selective Oxidation, Center for
Excellence in Molecular Synthesis, Suzhou
Research Institute of LICP, Lanzhou Institute of Chemical Physics
(LICP), Chinese Academy of Sciences, Lanzhou, 730000, P. R.
China
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33
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Dong Y, Yang J, He S, Shi ZC, Wang Y, Zhang XM, Wang JY. Metal-free oxidative cross-dehydrogenative coupling of quinones with benzylic C(sp3)–H bonds. RSC Adv 2019; 9:27588-27592. [PMID: 35529195 PMCID: PMC9070767 DOI: 10.1039/c9ra05678e] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Accepted: 08/28/2019] [Indexed: 12/23/2022] Open
Abstract
A metal-free cross-dehydrogenative coupling of quinones with toluene derivatives has been established. A series of quinones were subjected to reaction with toluene derivatives in the presence of di-tertbutyl peroxide (DTBP) for direct synthesis of benzylquinones. The method exhibits good functional group tolerance, and desired products were obtained in moderate to good yields. Meanwhile, a radical pathway was proposed to describe the cross-dehydrogenative coupling of quinones with toluene derivatives. A metal-free cross-dehydrogenative coupling of quinones with toluene derivatives has been established. A series of quinones were subjected to reaction with toluene derivatives in the presence of DTBP for direct synthesis of benzylquinones.![]()
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Affiliation(s)
- Yu Dong
- Chengdu Institute of Organic Chemistry
- Chinese Academy of Sciences
- Chengdu 610041
- P. R. China
- University of Chinese Academy of Sciences
| | - Jian Yang
- Chengdu Institute of Organic Chemistry
- Chinese Academy of Sciences
- Chengdu 610041
- P. R. China
- University of Chinese Academy of Sciences
| | - Shuai He
- Southwest Minzu University
- Chengdu 610041
- P. R. China
| | | | - Yu Wang
- Guizhou Education University
- Guiyang 550018
- P. R. China
| | - Xiao-Mei Zhang
- Chengdu Institute of Organic Chemistry
- Chinese Academy of Sciences
- Chengdu 610041
- P. R. China
| | - Ji-Yu Wang
- Chengdu Institute of Organic Chemistry
- Chinese Academy of Sciences
- Chengdu 610041
- P. R. China
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34
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Chen K, Zhang SQ, Brandenberg OF, Hong X, Arnold FH. Alternate Heme Ligation Steers Activity and Selectivity in Engineered Cytochrome P450-Catalyzed Carbene-Transfer Reactions. J Am Chem Soc 2018; 140:16402-16407. [DOI: 10.1021/jacs.8b09613] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Kai Chen
- Division of Chemistry and Chemical Engineering 210-41, California Institute of Technology, Pasadena, California 91125, United States
| | - Shuo-Qing Zhang
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027, P. R. China
| | - Oliver F. Brandenberg
- Division of Chemistry and Chemical Engineering 210-41, California Institute of Technology, Pasadena, California 91125, United States
| | - Xin Hong
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang 310027, P. R. China
| | - Frances H. Arnold
- Division of Chemistry and Chemical Engineering 210-41, California Institute of Technology, Pasadena, California 91125, United States
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35
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Jiang J, Wang J, Zhou X, Chen H, Ji H. Mechanistic Understanding towards the Role of Cyclohexene in Enhancing the Efficiency of Manganese Porphyrin‐Catalyzed Aerobic Oxidation of Diphenylmethane. Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201800317] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jun Jiang
- Fine Chemical Industry Research Institute School of Chemistry Sun Yat‐sen University 510275 Guangzhou P. R. China
| | - Jie‐Xiang Wang
- Huizhou Research Institute of Sun Yat‐sen University 516081 Huizhou P. R. China
| | - Xian‐Tai Zhou
- Fine Chemical Industry Research Institute School of Chemical Engineering and Technology Sun Yat‐sen University 519082 Zhuhai P. R. China
| | - Hong‐Yu Chen
- Fine Chemical Industry Research Institute School of Chemistry Sun Yat‐sen University 510275 Guangzhou P. R. China
| | - Hong‐Bing Ji
- Fine Chemical Industry Research Institute School of Chemistry Sun Yat‐sen University 510275 Guangzhou P. R. China
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36
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Yu H, Hu B, Huang H. Nickel-Catalyzed Alkylarylation of Activated Alkenes with Benzyl-amines via C-N Bond Activation. Chemistry 2018. [PMID: 29517114 DOI: 10.1002/chem.201800543] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
A nickel-catalyzed alkylarylation of active alkenes with tertiary benzylamines was achieved by charge-transfer-complex promoted C-N bond activation. The reaction proceeded through initial Ni-catalyzed C-N bond activation, followed by sequential radical addition, redox and proton abstraction with cleaved amine moiety in the absence of oxidant, and provides an efficient method to prepare various alkyl-substituted oxindoles and dihydroquinolinones in good yields.
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Affiliation(s)
- Hui Yu
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, P.R. China.,University of Chinese Academy of Sciences, Beijing, 100049, P.R. China
| | - Bin Hu
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, P.R. China
| | - Hanmin Huang
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, P.R. China.,Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemistry, Center for Excellence in Molecular Synthesis, University of Science and Technology of China, Chinese Academy of Sciences, Hefei, 230026, P.R. China
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37
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Du J, Miao C, Xia C, Lee YM, Nam W, Sun W. Mechanistic Insights into the Enantioselective Epoxidation of Olefins by Bioinspired Manganese Complexes: Role of Carboxylic Acid and Nature of Active Oxidant. ACS Catal 2018. [DOI: 10.1021/acscatal.8b00874] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Junyi Du
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Center for Excellence in Molecular Synthesis, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou, 730000, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Chengxia Miao
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Center for Excellence in Molecular Synthesis, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou, 730000, P. R. China
| | - Chungu Xia
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Center for Excellence in Molecular Synthesis, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou, 730000, P. R. China
| | - Yong-Min Lee
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 03760, Korea
| | - Wonwoo Nam
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Center for Excellence in Molecular Synthesis, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou, 730000, P. R. China
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul 03760, Korea
| | - Wei Sun
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Center for Excellence in Molecular Synthesis, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou, 730000, P. R. China
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38
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Huang X, Groves JT. Oxygen Activation and Radical Transformations in Heme Proteins and Metalloporphyrins. Chem Rev 2018; 118:2491-2553. [PMID: 29286645 PMCID: PMC5855008 DOI: 10.1021/acs.chemrev.7b00373] [Citation(s) in RCA: 591] [Impact Index Per Article: 98.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Indexed: 12/20/2022]
Abstract
As a result of the adaptation of life to an aerobic environment, nature has evolved a panoply of metalloproteins for oxidative metabolism and protection against reactive oxygen species. Despite the diverse structures and functions of these proteins, they share common mechanistic grounds. An open-shell transition metal like iron or copper is employed to interact with O2 and its derived intermediates such as hydrogen peroxide to afford a variety of metal-oxygen intermediates. These reactive intermediates, including metal-superoxo, -(hydro)peroxo, and high-valent metal-oxo species, are the basis for the various biological functions of O2-utilizing metalloproteins. Collectively, these processes are called oxygen activation. Much of our understanding of the reactivity of these reactive intermediates has come from the study of heme-containing proteins and related metalloporphyrin compounds. These studies not only have deepened our understanding of various functions of heme proteins, such as O2 storage and transport, degradation of reactive oxygen species, redox signaling, and biological oxygenation, etc., but also have driven the development of bioinorganic chemistry and biomimetic catalysis. In this review, we survey the range of O2 activation processes mediated by heme proteins and model compounds with a focus on recent progress in the characterization and reactivity of important iron-oxygen intermediates. Representative reactions initiated by these reactive intermediates as well as some context from prior decades will also be presented. We will discuss the fundamental mechanistic features of these transformations and delineate the underlying structural and electronic factors that contribute to the spectrum of reactivities that has been observed in nature as well as those that have been invented using these paradigms. Given the recent developments in biocatalysis for non-natural chemistries and the renaissance of radical chemistry in organic synthesis, we envision that new enzymatic and synthetic transformations will emerge based on the radical processes mediated by metalloproteins and their synthetic analogs.
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Affiliation(s)
- Xiongyi Huang
- Department
of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
- Department
of Chemistry, California Institute of Technology, Pasadena, California 91125, United States
| | - John T. Groves
- Department
of Chemistry, Princeton University, Princeton, New Jersey 08544, United States
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39
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Qiu B, Xu D, Sun Q, Miao C, Lee YM, Li XX, Nam W, Sun W. Highly Enantioselective Oxidation of Spirocyclic Hydrocarbons by Bioinspired Manganese Catalysts and Hydrogen Peroxide. ACS Catal 2018. [DOI: 10.1021/acscatal.7b03601] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Bin Qiu
- State
Key Laboratory for Oxo Synthesis and Selective Oxidation, Center for
Excellence in Molecular Synthesis, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou 730000, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Daqian Xu
- State
Key Laboratory for Oxo Synthesis and Selective Oxidation, Center for
Excellence in Molecular Synthesis, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou 730000, China
| | - Qiangsheng Sun
- State
Key Laboratory for Oxo Synthesis and Selective Oxidation, Center for
Excellence in Molecular Synthesis, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou 730000, China
| | - Chengxia Miao
- State
Key Laboratory for Oxo Synthesis and Selective Oxidation, Center for
Excellence in Molecular Synthesis, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou 730000, China
| | - Yong-Min Lee
- Department
of Chemistry and Nano Science, Ewha Womans University, Seoul 03760, Korea
| | - Xiao-Xi Li
- Department
of Chemistry and Nano Science, Ewha Womans University, Seoul 03760, Korea
| | - Wonwoo Nam
- State
Key Laboratory for Oxo Synthesis and Selective Oxidation, Center for
Excellence in Molecular Synthesis, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou 730000, China
- Department
of Chemistry and Nano Science, Ewha Womans University, Seoul 03760, Korea
| | - Wei Sun
- State
Key Laboratory for Oxo Synthesis and Selective Oxidation, Center for
Excellence in Molecular Synthesis, Suzhou Research Institute of LICP, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou 730000, China
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40
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Burg F, Gicquel M, Breitenlechner S, Pöthig A, Bach T. Katalytische, positions- und enantioselektive C-H-Oxygenierung durch einen chiralen Mangan-Porphyrin-Komplex mit einer entfernten Bindungsstelle. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201712340] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Finn Burg
- Fakultät für Chemie und Zentralinstitut für Katalyseforschung; Technische Universität München; Lichtenbergstraße 4 85747 Garching Deutschland
| | - Maxime Gicquel
- Fakultät für Chemie und Zentralinstitut für Katalyseforschung; Technische Universität München; Lichtenbergstraße 4 85747 Garching Deutschland
| | - Stefan Breitenlechner
- Fakultät für Chemie und Zentralinstitut für Katalyseforschung; Technische Universität München; Lichtenbergstraße 4 85747 Garching Deutschland
| | - Alexander Pöthig
- Fakultät für Chemie und Zentralinstitut für Katalyseforschung; Technische Universität München; Lichtenbergstraße 4 85747 Garching Deutschland
| | - Thorsten Bach
- Fakultät für Chemie und Zentralinstitut für Katalyseforschung; Technische Universität München; Lichtenbergstraße 4 85747 Garching Deutschland
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41
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Burg F, Gicquel M, Breitenlechner S, Pöthig A, Bach T. Site- and Enantioselective C−H Oxygenation Catalyzed by a Chiral Manganese Porphyrin Complex with a Remote Binding Site. Angew Chem Int Ed Engl 2018; 57:2953-2957. [DOI: 10.1002/anie.201712340] [Citation(s) in RCA: 75] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Indexed: 11/09/2022]
Affiliation(s)
- Finn Burg
- Department Chemie and Catalysis Research Center (CRC); Technische Universität München; Lichtenbergstraße 4 85747 Garching Germany
| | - Maxime Gicquel
- Department Chemie and Catalysis Research Center (CRC); Technische Universität München; Lichtenbergstraße 4 85747 Garching Germany
| | - Stefan Breitenlechner
- Department Chemie and Catalysis Research Center (CRC); Technische Universität München; Lichtenbergstraße 4 85747 Garching Germany
| | - Alexander Pöthig
- Department Chemie and Catalysis Research Center (CRC); Technische Universität München; Lichtenbergstraße 4 85747 Garching Germany
| | - Thorsten Bach
- Department Chemie and Catalysis Research Center (CRC); Technische Universität München; Lichtenbergstraße 4 85747 Garching Germany
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42
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Nodzewska A, Watkinson M. Remarkable increase in the rate of the catalytic epoxidation of electron deficient styrenes through the addition of Sc(OTf)3 to the MnTMTACN catalyst. Chem Commun (Camb) 2018; 54:1461-1464. [DOI: 10.1039/c7cc09698d] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Sc(OTf)3 produces a remarkable enhancement in the activity of the MnTMTACN catalyst in the epoxidation of electron deficient styrenes.
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Affiliation(s)
- Aneta Nodzewska
- The Joseph Priestley Building
- School of Biological and Chemical Sciences
- Queen Mary University of London
- London
- UK
| | - Michael Watkinson
- The Joseph Priestley Building
- School of Biological and Chemical Sciences
- Queen Mary University of London
- London
- UK
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43
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Li G, Dilger AK, Cheng PT, Ewing WR, Groves JT. Selective C−H Halogenation with a Highly Fluorinated Manganese Porphyrin. Angew Chem Int Ed Engl 2017; 57:1251-1255. [DOI: 10.1002/anie.201710676] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2017] [Indexed: 11/10/2022]
Affiliation(s)
- Gang Li
- Department of Chemistry Princeton University Princeton NJ 08544 USA
| | | | - Peter T. Cheng
- Bristol-Myers Squibb P. O. Box 5400 Princeton NJ 08543-5400 USA
| | | | - John T. Groves
- Department of Chemistry Princeton University Princeton NJ 08544 USA
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44
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Li G, Dilger AK, Cheng PT, Ewing WR, Groves JT. Selective C−H Halogenation with a Highly Fluorinated Manganese Porphyrin. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201710676] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Gang Li
- Department of Chemistry; Princeton University; Princeton NJ 08544 USA
| | - Andrew K. Dilger
- Bristol-Myers Squibb; P. O. Box 5400 Princeton NJ 08543-5400 USA
| | - Peter T. Cheng
- Bristol-Myers Squibb; P. O. Box 5400 Princeton NJ 08543-5400 USA
| | - William R. Ewing
- Bristol-Myers Squibb; P. O. Box 5400 Princeton NJ 08543-5400 USA
| | - John T. Groves
- Department of Chemistry; Princeton University; Princeton NJ 08544 USA
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45
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Oohora K, Meichin H, Kihira Y, Sugimoto H, Shiro Y, Hayashi T. Manganese(V) Porphycene Complex Responsible for Inert C–H Bond Hydroxylation in a Myoglobin Matrix. J Am Chem Soc 2017; 139:18460-18463. [DOI: 10.1021/jacs.7b11288] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Koji Oohora
- Department
of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita 565-0871, Japan
- Frontier
Research Base for Global Young Researchers, Graduate School of Engineering, Osaka University, Suita 565-0871, Japan
- PRESTO, Japan Science and Technology Agency (JST), Kawaguchi 332-0012, Japan
| | - Hiroyuki Meichin
- Department
of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita 565-0871, Japan
| | - Yushi Kihira
- Department
of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita 565-0871, Japan
| | | | - Yoshitsugu Shiro
- RIKEN SPring-8 Center, 1-1-1 Kouto, Sayo, Hyogo 679-5148, Japan
- Graduate
School of Life Science, University of Hyogo, Hyogo 678-1297, Japan
| | - Takashi Hayashi
- Department
of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita 565-0871, Japan
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