1
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Frogley BJ, Hill AF, Welsh SS. Bimetallic ethynylanthracenyl functionalised carbynes. Chem Commun (Camb) 2021; 57:13353-13356. [PMID: 34821244 DOI: 10.1039/d1cc06142a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Mono- and bimetallic anthracenes functionalised by alkynyl and alkylidynyl substituents are obtained via sequential cross-coupling reactions of the 9-bromoanthracenyl carbyne [W{CC(C6H4)2CBr}(CO)2(Tp*)].
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Affiliation(s)
- Benjamin J Frogley
- Research School of Chemistry, Australian National University, Canberra, Australian Capital Territory, ACT 2601, Australia.
| | - Anthony F Hill
- Research School of Chemistry, Australian National University, Canberra, Australian Capital Territory, ACT 2601, Australia.
| | - Steven S Welsh
- Research School of Chemistry, Australian National University, Canberra, Australian Capital Territory, ACT 2601, Australia.
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2
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Frogley BJ, Hill AF, Welsh SS. Symmetric and non-symmetric anthracen-diyl bis(alkylidynes). Dalton Trans 2021; 50:15502-15523. [PMID: 34676857 DOI: 10.1039/d1dt02537f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Three examples of 9-bromo-10-(alkylidynyl)anthracenes, [W{CC(C6H4)2CBr}(CO)2(L)] (L = hydrotris(dimethylpyrazol-1-yl)borate Tp*, hydrotris(pyrazol-1-yl)borate Tp, hydrotris(2-mercapto-N-methylimidazol-1-yl)borate Tm) were prepared via modified Fischer-Mayr acyl oxide-abstraction protocols. With a sufficiently bulky ancillary ligand (L = Tp*) the aryl bromide is ammenable to cross-coupling reactions that enable more elaborate derivatives to be prepared. These including symmetric bis(alkylidynyl)anthracenes as well as non-palindromic examples bearing disparate metals and/or co-ligands. In contrast, these couplings fail for smaller ligands (L = Tp, Tm) where it was found that Pd0 or Pt0 were instead able to coordinate across two WC bonds to give trimetallic bow-tie complexes, [W2M{μ-CC(C6H4)2CBr}2(CO)4(L)2] (M = Pd, Pt; L = Tp, Tm).
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Affiliation(s)
- Benjamin J Frogley
- Research School of Chemistry, Australian National University, Canberra, Australian Capital Territory, ACT 2601, Australia.
| | - Anthony F Hill
- Research School of Chemistry, Australian National University, Canberra, Australian Capital Territory, ACT 2601, Australia.
| | - Steven S Welsh
- Research School of Chemistry, Australian National University, Canberra, Australian Capital Territory, ACT 2601, Australia.
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3
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Colebatch AL, Frogley BJ, Hill AF, Onn CS. Pnictogen‐Functionalised C
1
Ligands: MC‐AR
n
(
n
=0, 1, 2, 3). Chemistry 2021; 27:5322-5343. [DOI: 10.1002/chem.202004280] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Indexed: 11/09/2022]
Affiliation(s)
- Annie L. Colebatch
- Research School of Chemistry Australian National University Canberra ACT 2601 Australia
| | - Benjamin J. Frogley
- Research School of Chemistry Australian National University Canberra ACT 2601 Australia
| | - Anthony F. Hill
- Research School of Chemistry Australian National University Canberra ACT 2601 Australia
| | - Chee S. Onn
- Research School of Chemistry Australian National University Canberra ACT 2601 Australia
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4
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Sakakibara K, Tomida K, Nakagawa T, Yagyu T, Takagi HD, Inamo M. Intramolecular photoinduced electron transfer reactions of zinc(II) porphyrin dyads studied with a sub-ns time resolution. J PORPHYR PHTHALOCYA 2020. [DOI: 10.1142/s1088424620500224] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
We report the dynamics of a intramolecular photoinduced electron transfer reaction of Zn(II)-porphyrin dyads that have a 2,2[Formula: see text]-bipyridine moiety at the periphery in the presence of Cu[Formula: see text] in methanol studied using laser flash photolysis with a sub-nanosecond time resolution. The photoinduced electron transfer reactions were observed from the excited [Formula: see text] and [Formula: see text] states of the Zn(II)-porphyrin to the Cu(II)-2,2[Formula: see text]-bipyridine moiety, and the structural dependence of the reactivity were discussed in terms of the distance between the electron donating and accepting centers.
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Affiliation(s)
- Kei Sakakibara
- Department of Chemistry, Aichi University of Education, Igaya, Kariya 448-8542, Japan
| | - Kenta Tomida
- Department of Chemistry, Aichi University of Education, Igaya, Kariya 448-8542, Japan
| | | | - Takeyoshi Yagyu
- Department of Life Science and Applied Chemistry, Graduate School of Engineering, Nagoya Institute of Technology, Showa, Nagoya 466-8555, Japan
| | - Hideo D. Takagi
- Research Center for Materials Science, Nagoya University, Chikusa, Nagoya 464-8602, Japan
| | - Masahiko Inamo
- Department of Chemistry, Aichi University of Education, Igaya, Kariya 448-8542, Japan
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5
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Abstract
Porphyrins peripherally decorated with four transition-metal carbynes substituents are obtained in one step via a Pd0/AuI transmetallation shuttle beginning with a stannyl carbyne.
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Affiliation(s)
| | - Anthony F. Hill
- Research School of Chemistry
- Australian National University
- Canberra
- Australia
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6
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La Porte NT, Moravec DB, Schaller RD, Hopkins MD. Light-Driven Redox Activation of CO2- and H2-Activating Complexes in a Self-Assembled Triad. J Phys Chem B 2019; 123:10980-10989. [DOI: 10.1021/acs.jpcb.9b07830] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Nathan T. La Porte
- Department of Chemistry, University of Chicago, 929 East 57th Street, Chicago, Illinois 60637, United States
| | - Davis B. Moravec
- Department of Chemistry, University of Chicago, 929 East 57th Street, Chicago, Illinois 60637, United States
| | - Richard D. Schaller
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
- Center for Nanoscale Materials, Argonne National Laboratory, 9700 Cass Avenue, Lemont, Illinois 60439, United States
| | - Michael D. Hopkins
- Department of Chemistry, University of Chicago, 929 East 57th Street, Chicago, Illinois 60637, United States
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7
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Frogley BJ, Hill AF. Synthesis of pyridyl carbyne complexes and their conversion to N-heterocyclic vinylidenes. Chem Commun (Camb) 2019; 55:15077-15080. [DOI: 10.1039/c9cc07760j] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new synthetic approach to hetero-aryl substituted carbyne complexes has allowed the synthesis of pyridyl functionalised carbynes and bis(carbynes), alkylation of which affords the first N-heterocyclic vinylidene complexes.
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Affiliation(s)
| | - Anthony F. Hill
- Research School of Chemistry
- Australian National University
- Canberra
- Australia
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8
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Luo P, Karsenti PL, Marsan B, Harvey PD. Triplet energy vs. electron transfers in porphyrin- and tetrabenzoporphyrin-carboxylates/Pd3(dppm)3(CO)2+ cluster assemblies; a question of negative charge. NEW J CHEM 2018. [DOI: 10.1039/c7nj03943c] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The simple replacement of the methyl groups by carboxylates changes the dominant quenching mechanism in dye⋯[Pd32+]x assemblies from energy to electron transfer.
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Affiliation(s)
- Peng Luo
- Département de chimie
- Université de Sherbrooke
- Sherbrooke
- Canada
| | | | - Benoit Marsan
- Département de chimie
- Université du Québec à Montréal
- Montréal
- Canada
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9
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Barbour JC, Kim AJI, deVries E, Shaner SE, Lovaasen BM. Chromium(III) Bis-Arylterpyridyl Complexes with Enhanced Visible Absorption via Incorporation of Intraligand Charge-Transfer Transitions. Inorg Chem 2017; 56:8212-8222. [PMID: 28665604 DOI: 10.1021/acs.inorgchem.7b00953] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
A series of chromium(III) bis-arylterpyridyl complexes containing intraligand charge-transfer (ILCT) excited states were prepared and characterized. These complexes show significant absorption in the visible region due to the ILCT bands. The ILCT bands are tunable across the UV and visible spectrum via incorporation of electron-withdrawing and electron-donating groups on the aryl ring. The absorption of Cr(4'-(4-methoxyphenyl)-2,2':6',2″-terpyridine)23+ (4) in particular is much stronger in the visible region (ε = 11 900 M-1 cm-1 at 450 nm and ε = 5090 M-1 cm-1 at 500 nm) than that of the parent complex Cr(tpy)23+ (tpy = 2,2':6',2″-terpyridine; ε = 2160 M-1 cm-1 at 450 nm, and ε = 170 M-1 cm-1 at 500 nm). Emission experiments on this series reveal Cr(III)-based phosphorescence with lifetimes from 140 to 600 ns upon excitation into the ILCT bands, which indicates funneling of the excitation energy from ligand-localized excited states to Cr(III)-based excited states. Cyclic voltammograms exhibit at least three reversible ligand-based reductions. The first reduction shows shifts of up to -160 mV compared to Cr(tpy)23+. The excited-state reduction potential of these complexes ranges from +0.95 to +1.04 V vs the ferrocene/ferrocenium couple, making them potent photooxidants.
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Affiliation(s)
- Johanna C Barbour
- Department of Chemistry, Wheaton College , 501 College Avenue, Wheaton, Illinois 60187, United States
| | - Amy J I Kim
- Department of Chemistry, Wheaton College , 501 College Avenue, Wheaton, Illinois 60187, United States
| | - Elsemarie deVries
- Department of Chemistry, Wheaton College , 501 College Avenue, Wheaton, Illinois 60187, United States
| | - Sarah E Shaner
- Department of Chemistry, Benedictine University , 5700 College Road, Lisle, Illinois 60532, United States
| | - Benjamin M Lovaasen
- Department of Chemistry, Wheaton College , 501 College Avenue, Wheaton, Illinois 60187, United States
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10
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Sakakibara K, Nagino S, Akanuma H, Tsukada Y, Nakano H, Yagyu T, Takagi HD, Inamo M. Structure dependence of intramolecular electron transfer reactions of simple dyads of a zinc(ii) porphyrin complex bearing a peripheral bipyridine moiety. Dalton Trans 2017; 46:12645-12654. [DOI: 10.1039/c7dt02674a] [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]
Abstract
Photoinduced intramolecular electron transfer and charge recombination reactions were investigated using various Zn(ii)-porphyrin dyads having a 2,2′-bipyridine moiety.
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Affiliation(s)
- Kei Sakakibara
- Department of Chemistry
- Aichi University of Education
- Igaya
- Japan
| | - Shou Nagino
- Department of Chemistry
- Aichi University of Education
- Igaya
- Japan
| | - Hajime Akanuma
- Department of Chemistry
- Aichi University of Education
- Igaya
- Japan
| | - Yuki Tsukada
- Department of Chemistry
- Aichi University of Education
- Igaya
- Japan
| | - Hirofumi Nakano
- Department of Chemistry
- Aichi University of Education
- Igaya
- Japan
| | - Takeyoshi Yagyu
- Department of Materials Science and Engineering
- Graduate School of Engineering
- Nagoya Institute of Technology
- Showa
- Japan
| | - Hideo D. Takagi
- Research Centre for Materials Science
- Nagoya University
- Chikusa
- Japan
| | - Masahiko Inamo
- Department of Chemistry
- Aichi University of Education
- Igaya
- Japan
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11
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Chan KW, Bai W, Lee KF, Lee KH, Sung HHY, Williams ID, Lin Z, Jia G. Synthesis of Rhenium Vinylidene and Carbyne Complexes from Reactions of [Re(dppm)3]I with Terminal Alkynes and Alkynols. Organometallics 2016. [DOI: 10.1021/acs.organomet.6b00568] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ka Wing Chan
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, People’s Republic of China
| | - Wei Bai
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, People’s Republic of China
| | - Kui Fun Lee
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, People’s Republic of China
| | - Ka-Ho Lee
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, People’s Republic of China
| | - Herman H. Y. Sung
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, People’s Republic of China
| | - Ian D. Williams
- 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
| | - Guochen Jia
- 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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12
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The chemistry of the carbon-transition metal double and triple bond: Annual survey covering the year 2013. Coord Chem Rev 2015. [DOI: 10.1016/j.ccr.2014.09.021] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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13
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Morales-Verdejo CA, Zarate X, Schott E, Correa S, Martinez-Díaz I. Photophysics of tungsten–benzylidyne complexes derived from s-indacene: synthesis, characterization and DFT studies. RSC Adv 2015. [DOI: 10.1039/c4ra16874g] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The photophysics of the mono- and homobimetallic complexes of tungsten benzylidyne has been examined by using absorption and emission. Theoretical calculations were carried out to gain further understanding of these novel molecular systems.
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Affiliation(s)
- Cesar A. Morales-Verdejo
- Universidad Bernardo O Higgins
- Departamento de Ciencias Químicas y Biológicas
- Laboratorio de Bionanotecnología
- Santiago
- Chile
| | - Ximena Zarate
- Universidad Bernardo O Higgins
- Departamento de Ciencias Químicas y Biológicas
- Laboratorio de Bionanotecnología
- Santiago
- Chile
| | - Eduardo Schott
- Universidad Bernardo O Higgins
- Departamento de Ciencias Químicas y Biológicas
- Laboratorio de Bionanotecnología
- Santiago
- Chile
| | - Sebastián Correa
- Universidad Bernardo O Higgins
- Departamento de Ciencias Químicas y Biológicas
- Laboratorio de Bionanotecnología
- Santiago
- Chile
| | - Iván Martinez-Díaz
- Universidad Bernardo O Higgins
- Departamento de Ciencias Químicas y Biológicas
- Laboratorio de Bionanotecnología
- Santiago
- Chile
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14
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O’Hanlon DC, Cohen BW, Moravec DB, Dallinger RF, Hopkins MD. Electronic, Redox, and Photophysical Consequences of Metal-for-Carbon Substitution in Oligo-Phenylene-Ethynylenes. J Am Chem Soc 2014; 136:3127-36. [DOI: 10.1021/ja411354d] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Daniel C. O’Hanlon
- Department
of Chemistry, The University of Chicago, 929 East 57th Street, Chicago, Illinois 60637, United States
| | - Brian W. Cohen
- Department
of Chemistry, The University of Chicago, 929 East 57th Street, Chicago, Illinois 60637, United States
| | - Davis B. Moravec
- Department
of Chemistry, The University of Chicago, 929 East 57th Street, Chicago, Illinois 60637, United States
| | - Richard F. Dallinger
- Department
of Chemistry, Wabash College, Crawfordsville, Indiana 47933, United States
| | - Michael D. Hopkins
- Department
of Chemistry, The University of Chicago, 929 East 57th Street, Chicago, Illinois 60637, United States
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15
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Computational study on second-order nonlinear optical properties of a series of axially substituted zinc porphyrin. COMPUT THEOR CHEM 2014. [DOI: 10.1016/j.comptc.2013.10.016] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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16
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Moravec DB, Hopkins MD. Photoinduced Charge Separation in Zinc-Porphyrin/Tungsten-Alkylidyne Dyads: Generation of Reactive Porphyrin and Metallo Radical States. Chemistry 2013; 19:17082-91. [DOI: 10.1002/chem.201303118] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2013] [Indexed: 01/06/2023]
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17
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Haines DE, O’Hanlon DC, Manna J, Jones MK, Shaner SE, Sun J, Hopkins MD. Oxidation-Potential Tuning of Tungsten–Alkylidyne Complexes over a 2 V Range. Inorg Chem 2013; 52:9650-8. [DOI: 10.1021/ic401450u] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Daniel E. Haines
- Department of Chemistry, The University of Chicago, 929 E. 57th Street, Chicago, Illinois 60637,
United States
| | - Daniel C. O’Hanlon
- Department of Chemistry, The University of Chicago, 929 E. 57th Street, Chicago, Illinois 60637,
United States
| | - Joseph Manna
- Department of Chemistry, The University of Chicago, 929 E. 57th Street, Chicago, Illinois 60637,
United States
| | - Marya K. Jones
- Department of Chemistry, The University of Chicago, 929 E. 57th Street, Chicago, Illinois 60637,
United States
| | - Sarah E. Shaner
- Department of Chemistry, The University of Chicago, 929 E. 57th Street, Chicago, Illinois 60637,
United States
| | - Jibin Sun
- Department of Chemistry, The University of Chicago, 929 E. 57th Street, Chicago, Illinois 60637,
United States
| | - Michael D. Hopkins
- Department of Chemistry, The University of Chicago, 929 E. 57th Street, Chicago, Illinois 60637,
United States
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