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Induja DK, Jesmina ARS, Joseph MM, Shamjith S, Ingaladal N, Maiti KK, Kumar BSD, Lankalapalli RS. Isolation of two new stereochemical variants of streptophenazine by cocultivation of Streptomyces NIIST-D31, Streptomyces NIIST-D47, and Streptomyces NIIST-D63 strains in 3C 2 combinations. J Antibiot (Tokyo) 2023; 76:567-578. [PMID: 37308605 DOI: 10.1038/s41429-023-00638-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 05/18/2023] [Accepted: 05/19/2023] [Indexed: 06/14/2023]
Abstract
Cocultivation of combinations of Streptomyces species isolated from the same soil was explored to isolate novel secondary metabolites. Recently, we reported the isolation of a novel vicinal diepoxide of alloaureothin along with three carboxamides, 4-aminobenzoic acid, and 1,6-dimethoxyphenazine from the individual culture of Streptomyces luteireticuli NIIST-D31. Herein, cocultivation of NIIST-D31 with Streptomyces luteoverticillatus NIIST-D47 afforded two new stereochemical variants of streptophenazine (S1 and S2), and 1-N-methylalbonoursin, where the individual culture of NIIST-D47 primarily produced carbazomycins A, D, and E. The new streptophenazines and 1-N-methylalbonoursin were also observed during cocultivation of NIIST-D31 with Streptomyces thioluteus NIIST-D63, where the individual culture of NIIST-D63 strain afforded for the first time 2,2'-bipyridines (caerulomycinamide and dipyrimicin B), picolinamide, 2,3-dimethoxybenzamide, 2-hydroxy-3-methoxybenzamide, and 6-amino-2-pyridone along with known natural products aureothin and 1,6-dimethoxyphenazine. Finally, cocultivation of NIIST-D47 and NIIST-D63 strains produced carbazomycins B and C, alloaureothin, cyclo-(Leu-Pro), investiamide, and 4-aminobenzoic acid. Some of the compounds observed in the individual cultures were also produced in cocultivations. Improvement in the yield of secondary metabolites during cocultivation compared to individual culturing is well-known, which is noted here for vicinal diepoxide of alloaureothin. The production of new streptophenazines by cocultivation combinations with NIIST-D31 suggests that NIIST-D47 and NIIST-D63 may function as inducers in activating cryptic secondary metabolite-biosynthetic gene clusters. Cytotoxicity of the new streptophenazines in cancerous (MCF7 and MDA-MB-231) or non-cancerous (WI-38) cells were tested, however, they exhibited no significant activity.
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Affiliation(s)
- D K Induja
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram, 695019, Kerala, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - A R S Jesmina
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
- Agro-Processing and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram, 695019, Kerala, India
| | - Manu M Joseph
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram, 695019, Kerala, India
| | - Shanmughan Shamjith
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram, 695019, Kerala, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Nagaraja Ingaladal
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram, 695019, Kerala, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Kaustabh Kumar Maiti
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram, 695019, Kerala, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - B S Dileep Kumar
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
- Agro-Processing and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram, 695019, Kerala, India
| | - Ravi S Lankalapalli
- Chemical Sciences and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Thiruvananthapuram, 695019, Kerala, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
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Cormier M, Hernvann F, De Paolis M. Synthetic study toward tridachiapyrone B. Beilstein J Org Chem 2022; 18:1741-1748. [PMID: 36628263 PMCID: PMC9795862 DOI: 10.3762/bjoc.18.183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 12/05/2022] [Indexed: 12/23/2022] Open
Abstract
A convergent approach to the skeleton of tridachiapyrone B is described taking advantage of the desymmetrization of α,α'-dimethoxy-γ-pyrone leading to α-crotyl-α'-methoxy-γ-pyrone in one step. To construct the quaternary carbon of the 2,5-cyclohexadienone of the target, a strategy based on the Robinson-type annulation of an aldehyde derived from α-crotyl-α'-methoxy-γ-pyrone was applied. The grafting of the simplified target's side chain was demonstrated through an oxidative anionic oxy-Cope rearrangement of the tertiary alcohol arising from the 1,2-addition of a 1,3-dimethylallyl reagent to 2,5-cyclohexadienone connected to the α'-methoxy-γ-pyrone motif.
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3
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Harwood LA, Wong LL, Robertson J. Enzymatic Kinetic Resolution by Addition of Oxygen. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202011468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Lucy A. Harwood
- Department of Chemistry University of Oxford Chemistry Research Laboratory Mansfield Road Oxford OX1 3TA UK
| | - Luet L. Wong
- Department of Chemistry University of Oxford Inorganic Chemistry Laboratory South Parks Road Oxford OX1 3QR UK
- Oxford Suzhou Centre for Advanced Research Ruo Shui Road, Suzhou Industrial Park Jiangsu 215123 P. R. China
| | - Jeremy Robertson
- Department of Chemistry University of Oxford Chemistry Research Laboratory Mansfield Road Oxford OX1 3TA UK
- Oxford Suzhou Centre for Advanced Research Ruo Shui Road, Suzhou Industrial Park Jiangsu 215123 P. R. China
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Harwood LA, Wong LL, Robertson J. Enzymatic Kinetic Resolution by Addition of Oxygen. Angew Chem Int Ed Engl 2021; 60:4434-4447. [PMID: 33037837 PMCID: PMC7986699 DOI: 10.1002/anie.202011468] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Indexed: 12/25/2022]
Abstract
Kinetic resolution using biocatalysis has proven to be an excellent complementary technique to traditional asymmetric catalysis for the production of enantioenriched compounds. Resolution using oxidative enzymes produces valuable oxygenated structures for use in synthetic route development. This Minireview focuses on enzymes which catalyse the insertion of an oxygen atom into the substrate and, in so doing, can achieve oxidative kinetic resolution. The Baeyer-Villiger rearrangement, epoxidation, and hydroxylation are included, and biological advancements in enzyme development, and applications of these key enantioenriched intermediates in natural product synthesis are discussed.
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Affiliation(s)
- Lucy A. Harwood
- Department of ChemistryUniversity of OxfordChemistry Research LaboratoryMansfield RoadOxfordOX1 3TAUK
| | - Luet L. Wong
- Department of ChemistryUniversity of OxfordInorganic Chemistry LaboratorySouth Parks RoadOxfordOX1 3QRUK
- Oxford Suzhou Centre for Advanced ResearchRuo Shui Road, Suzhou Industrial ParkJiangsu215123P. R. China
| | - Jeremy Robertson
- Department of ChemistryUniversity of OxfordChemistry Research LaboratoryMansfield RoadOxfordOX1 3TAUK
- Oxford Suzhou Centre for Advanced ResearchRuo Shui Road, Suzhou Industrial ParkJiangsu215123P. R. China
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Chen ME, Chen XW, Hu YH, Ye R, Lv JW, Li B, Zhang FM. Recent advances of Ritter reaction and its synthetic applications. Org Chem Front 2021. [DOI: 10.1039/d1qo00496d] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
This review provides a comprehensive survey of Ritter reactions from 2014 to 2020.
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Affiliation(s)
- Meng-En Chen
- State Key Laboratory of Applied Organic Chemistry & College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Xiao-Wei Chen
- State Key Laboratory of Applied Organic Chemistry & College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Yue-Hong Hu
- State Key Laboratory of Applied Organic Chemistry & College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Rui Ye
- State Key Laboratory of Applied Organic Chemistry & College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Jian-Wei Lv
- State Key Laboratory of Applied Organic Chemistry & College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Baosheng Li
- School of Chemistry and Chemical Engineering
- Chongqing University
- Chongqing
- P. R. China
| | - Fu-Min Zhang
- State Key Laboratory of Applied Organic Chemistry & College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- P. R. China
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Podolak K, Kraus GA. Synthesis of cyercenes and yangonin by a pyrone aldol protocol. RESULTS IN CHEMISTRY 2021. [DOI: 10.1016/j.rechem.2021.100219] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Boateng A, Harada T, Ashikari Y, Nakajima M, Sugiura M. Synthesis of conjugated multiunsaturated thioesters via one-pot TiCl4-promoted aldol condensation. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2020.152280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Potent inhibition of HIV replication in primary human cells by novel synthetic polyketides inspired by Aureothin. Sci Rep 2020; 10:1326. [PMID: 31992748 PMCID: PMC6987146 DOI: 10.1038/s41598-020-57843-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Accepted: 01/06/2020] [Indexed: 11/08/2022] Open
Abstract
Overcoming the global health threat of HIV infection requires continuous pipelines of novel drug candidates. We identified the γ-pyrone polyketides Aureothin/Neoaureothin as potent hits by anti-HIV screening of an extensive natural compound collection. Total synthesis of a structurally diverse group of Aureothin-derivatives successfully identified a lead compound (#7) superior to Aureothin that combines strong anti-HIV activity (IC90<45 nM), photostability and improved cell safety. Compound #7 inhibited de novo virus production from integrated proviruses by blocking the accumulation of HIV RNAs that encode the structural components of virions and include viral genomic RNAs. Thus, the mode-of-action displayed by compound #7 is different from those of all current clinical drugs. Proteomic analysis indicated that compound #7 does not affect global protein expression in primary blood cells and may modulate cellular pathways linked to HIV infection. Compound #7 inhibited multiple HIV genotypes, including HIV-type 1 and 2 and synergistically inhibited HIV in combination with clinical reverse transcriptase and integrase inhibitors. We conclude that compound #7 represents a promising new class of HIV inhibitors that will facilitate the identification of new virus-host interactions exploitable for antiviral attack and holds promise for further drug development.
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Kagoshima H, Muraishi K, Tsuchida S, Shiraishi T, Takimoto R. Conjugate Addition of 2-Tributylstannyl-1,3-dithiane to α, β-Unsaturated Ketones by the Combined Use of Cu(OTf) 2 and Et 3SiOTf. CHEM LETT 2019. [DOI: 10.1246/cl.180957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Hirotaka Kagoshima
- Center for Instrumental Analysis, Ibaraki University, 2-1-1 Bunkyo, Mito, Ibaraki 310-8512, Japan
| | - Kazuya Muraishi
- Center for Instrumental Analysis, Ibaraki University, 2-1-1 Bunkyo, Mito, Ibaraki 310-8512, Japan
| | - Shusei Tsuchida
- Center for Instrumental Analysis, Ibaraki University, 2-1-1 Bunkyo, Mito, Ibaraki 310-8512, Japan
| | - Tatsuki Shiraishi
- Center for Instrumental Analysis, Ibaraki University, 2-1-1 Bunkyo, Mito, Ibaraki 310-8512, Japan
| | - Ryuta Takimoto
- Center for Instrumental Analysis, Ibaraki University, 2-1-1 Bunkyo, Mito, Ibaraki 310-8512, Japan
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Rudolf JD, Dong LB, Zhang X, Renata H, Shen B. Cytochrome P450-Catalyzed Hydroxylation Initiating Ether Formation in Platensimycin Biosynthesis. J Am Chem Soc 2018; 140:12349-12353. [PMID: 30216060 PMCID: PMC6211292 DOI: 10.1021/jacs.8b08012] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Platensimycin (PTM) and platencin (PTN) are potent and selective inhibitors of bacterial and mammalian fatty acid synthases. The regio- and stereospecificity of the ether oxygen atom in PTM, which PTN does not have, strongly contribute to the selectivity and potency of PTM. We previously reported the biosynthetic origin of the 11 S,16 S-ether moiety by characterizing the diterpene synthase PtmT3 as a (16 R)- ent-kauran-16-ol synthase and isolating 11-deoxy-16 R-hydroxylated congeners of PTM from the Δ ptmO5 mutant. PtmO5, a cytochrome P450, was proposed to catalyze formation of the ether moiety in PTM. Here we report the in vitro characterization of PtmO5, revealing that PtmO5 stereoselectively hydroxylates the C-11 position of the ent-kaurane scaffold resulting in an 11 S,16 R-diol intermediate. The ether moiety, the oxygen of which originates from the P450-catalyzed hydroxylation at C-11, is formed via cyclization of the diol intermediate. This study provides mechanistic insight into ether formation in natural product biosynthetic pathways.
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Affiliation(s)
- Jeffrey D. Rudolf
- Department of Chemistry, The Scripps Research Institute, Jupiter, Florida 33458, United States
| | - Liao-Bin Dong
- Department of Chemistry, The Scripps Research Institute, Jupiter, Florida 33458, United States
| | - Xiao Zhang
- Department of Chemistry, The Scripps Research Institute, Jupiter, Florida 33458, United States
| | - Hans Renata
- Department of Chemistry, The Scripps Research Institute, Jupiter, Florida 33458, United States
| | - Ben Shen
- Department of Chemistry, The Scripps Research Institute, Jupiter, Florida 33458, United States
- Department of Molecular Medicine, The Scripps Research Institute, Jupiter, Florida 33458, United States
- Natural Products Library Initiative at The Scripps Research Institute, The Scripps Research Institute, Jupiter, Florida 33458, United States
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11
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Pierrot D, Presset M, Rodriguez J, Bonne D, Coquerel Y. Normal, Abnormal, and Cascade Wittig Olefinations of α-Oxoketenes. Chemistry 2018; 24:11110-11118. [PMID: 29968938 DOI: 10.1002/chem.201801533] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 05/07/2018] [Indexed: 11/06/2022]
Abstract
α-Oxoketenes generated in situ by a thermal Wolff rearrangement have been found to participate as 1,2- and 1,4-ambident C-electrophilic/O-nucleophilic reagents towards donor/acceptor carbonyl-stabilized Wittig ylides. This resulted in the very direct and practical syntheses of functionalized allenes by a normal Wittig olefination, 4H-pyran-4-ones by an abnormal Wittig olefination, or 4H-pyranylidenes following a Wittig/abnormal Wittig cascade sequence as a function of the substrates combination employed. Mechanistic experimental and computational studies provided a full rational for these reactivity switches. Some unusual mechanistic features for Lewis acid-free Wittig olefinations were identified in this series such as the involvement of betaine intermediates and some degree of reversibility in the normal Wittig olefination. The abnormal Wittig olefination was fully uncovered.
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Affiliation(s)
- David Pierrot
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
| | - Marc Presset
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France.,Present address: Université Paris Est, ICMPE (UMR 7182), CNRS, UPEC, 2-8 rue Henri Dunant, 94320, Thiais, France
| | - Jean Rodriguez
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
| | - Damien Bonne
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
| | - Yoann Coquerel
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
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12
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Davis FA. Recent applications of N-sulfonyloxaziridines (Davis oxaziridines) in organic synthesis. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.02.029] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Zhang H, Yao Q, Cao W, Ge S, Xu J, Liu X, Feng X. Catalytic enantioselective ene-type reactions of vinylogous hydrazone: construction of α-methylene-γ-butyrolactone derivatives. Chem Commun (Camb) 2018; 54:12511-12514. [DOI: 10.1039/c8cc07567k] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Catalytic asymmetric ene-type reactions of vinylogous hydrazone with isatins, α-ketoester, imines and aldehydes were accomplished which gave an environmentally friendly, straightforward approach to afford bioactive chiral α-methylene-γ-butyrolactone derivatives.
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Affiliation(s)
- Hang Zhang
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
| | - Qian Yao
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
| | - Weidi Cao
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
| | - Shulin Ge
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
| | - Jinxiu Xu
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
| | - Xiaohua Liu
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
| | - Xiaoming Feng
- Key Laboratory of Green Chemistry & Technology
- Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
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King-Smith E, Zwick CR, Renata H. Applications of Oxygenases in the Chemoenzymatic Total Synthesis of Complex Natural Products. Biochemistry 2017; 57:403-412. [DOI: 10.1021/acs.biochem.7b00998] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Emma King-Smith
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, Florida 33458, United States
| | - Christian R. Zwick
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, Florida 33458, United States
| | - Hans Renata
- Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, Florida 33458, United States
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