1
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Mazzoccanti G, Franzini R, Ciogli A, Pierini M, Buonsenso F, Faggi C, Francioso A, Manetto S, Villani C. Theoretically Predicted and Experimentally Detected Chirality of Dibenzocyclooctynes and Their Triazole Adducts with Azides. J Org Chem 2023; 88:15097-15105. [PMID: 37862264 DOI: 10.1021/acs.joc.3c01557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2023]
Abstract
Dibenzocyclooctynes have emerged as promising scaffolds for bioorthogonal ligation. An important structural aspect that has not been addressed so far relates to their chirality. Herein, we explore, by theoretical and experimental methods, this structural aspect that has been neglected so far. First, computational analysis is conducted, and the results are used as a guide for the experimental investigation. Next, an array of different experiments (high-performance liquid chromatography (HPLC) on chiral columns, chiroptical spectroscopy, and X-ray diffraction) for structure elucidation is scrutinized in concert. Finally, this work demonstrates the chirality and the stereodynamic behavior of dibenzocyclooctynes and their triazole derivatives with simple azides and also uncovers their conformational behavior.
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Affiliation(s)
- Giulia Mazzoccanti
- Department of Chemistry and Technology of Drugs, Excellence 2018-2022, Sapienza University of Rome, P.le Aldo Moro 5, Rome 00185, Italy
| | - Roberta Franzini
- Department of Chemistry and Technology of Drugs, Excellence 2018-2022, Sapienza University of Rome, P.le Aldo Moro 5, Rome 00185, Italy
| | - Alessia Ciogli
- Department of Chemistry and Technology of Drugs, Excellence 2018-2022, Sapienza University of Rome, P.le Aldo Moro 5, Rome 00185, Italy
| | - Marco Pierini
- Department of Chemistry and Technology of Drugs, Excellence 2018-2022, Sapienza University of Rome, P.le Aldo Moro 5, Rome 00185, Italy
| | - Fabio Buonsenso
- Department of Chemistry and Technology of Drugs, Excellence 2018-2022, Sapienza University of Rome, P.le Aldo Moro 5, Rome 00185, Italy
| | - Cristina Faggi
- Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia 3-13, Sesto Fiorentino I-50019, Italy
| | - Antonio Francioso
- Department of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo 64100, Italy
| | - Simone Manetto
- Department of Chemistry and Technology of Drugs, Excellence 2018-2022, Sapienza University of Rome, P.le Aldo Moro 5, Rome 00185, Italy
| | - Claudio Villani
- Department of Chemistry and Technology of Drugs, Excellence 2018-2022, Sapienza University of Rome, P.le Aldo Moro 5, Rome 00185, Italy
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2
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Du X, Zhang S, Wang L, Wang Y, Fan P, Jia W, Zhang P, Huang S. Single-Molecule Interconversion between Chiral Configurations of Boronate Esters Observed in a Nanoreactor. ACS NANO 2023; 17:2881-2892. [PMID: 36655995 DOI: 10.1021/acsnano.2c11286] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Isomers of some chemical compounds may be dynamically interconvertible. Due to a lack of sensing methods with a sufficient resolution, however, direct monitoring of such processes can be difficult. Engineered Mycobacterium smegmatis porin A (MspA) nanopores can be applied as nanoreactors so that chemical reactions can be directly monitored. Here, an MspA modified with a phenylboronic acid (PBA) adapter was prepared and was used to observe dynamic interconversion between chiral configurations of boronate esters, which appears as telegraphic switching on top of nanopore events. The mechanism of this behavior was further confirmed by trials with different halogenated catechols, dopamine, adenosine, 1,2-propanediol, and (2R,3R)-2,3-butanediol, and its generality has been demonstrated. These results suggest that an engineered MspA possesses an exceptional resolution in its monitoring of chemical reaction processes and may inspire the future design of nanopore small-molecule sensors.
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Affiliation(s)
- Xiaoyu Du
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, 210023Nanjing, China
- Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, 210023Nanjing, China
| | - Shanyu Zhang
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, 210023Nanjing, China
- Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, 210023Nanjing, China
| | - Liying Wang
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, 210023Nanjing, China
- Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, 210023Nanjing, China
| | - Yuqin Wang
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, 210023Nanjing, China
- Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, 210023Nanjing, China
| | - Pingping Fan
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, 210023Nanjing, China
- Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, 210023Nanjing, China
| | - Wendong Jia
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, 210023Nanjing, China
- Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, 210023Nanjing, China
| | - Panke Zhang
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, 210023Nanjing, China
| | - Shuo Huang
- State Key Laboratory of Analytical Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, 210023Nanjing, China
- Chemistry and Biomedicine Innovation Center (ChemBIC), Nanjing University, 210023Nanjing, China
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3
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Chalifoux WA, Sitaula P, Malone RJ, Longhi G, Abbate S, Gualtieri E, Lucotti A, Tommasini M, Franzini R, Villani C, Catalano VJ. π‐Extended Helical Nanographenes: Synthesis and Photophysical Properties of Naphtho[1,2‐a]pyrenes. European J Org Chem 2022. [DOI: 10.1002/ejoc.202101466] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Wesley A. Chalifoux
- University of Nevada, Reno Chemistry 1664 N. Virginia StreetDepartment of Chemistry, MS216 89557 Reno UNITED STATES
| | | | | | - Giovanna Longhi
- Università degli Studi di Brescia Dipartimento di Medicina Molecolare e Traslazionale: Universita degli Studi di Brescia Dipartimento di Medicina Molecolare e Traslazionale Dipartimento di Medicina Molecolare e Traslazionale ITALY
| | - Sergio Abbate
- Università degli Studi di Brescia Dipartimento di Medicina Molecolare e Traslazionale: Universita degli Studi di Brescia Dipartimento di Medicina Molecolare e Traslazionale Dipartimento di Medicina Molecolare e Traslazionale ITALY
| | - Eva Gualtieri
- Politecnico di Milano Dipartimento di Chimica Materiali e Ingegneria Chimica Giulio Natta Materiali e Ingegneria Chimica "G. Natta" ITALY
| | - Andrea Lucotti
- Politecnico di Milano Dipartimento di Chimica Materiali e Ingegneria Chimica Giulio Natta Dipartimento di Chimica, Materiali e Ingegneria Chimica "G. Natta" ITALY
| | - Matteo Tommasini
- Politecnico di Milano Dipartimento di Chimica Materiali e Ingegneria Chimica Giulio Natta Dipartimento di Chimica, Materiali e Ingegneria Chimica "G. Natta" ITALY
| | - Roberta Franzini
- University of Rome La Sapienza Department of Chemistry: Universita degli Studi di Roma La Sapienza Dipartimento di Chimica Dipartimento di Chimica e Tecnologie del Farmaco ITALY
| | - Claudio Villani
- University of Rome: Universita degli Studi di Roma La Sapienza Dipartimento di Chimica e Tecnologie del Farmaco ITALY
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4
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Franzini R, Pierini M, Mazzanti A, Iazzetti A, Ciogli A, Villani C. Molecular Recognition of the HPLC Whelk-O1 Selector towards the Conformational Enantiomers of Nevirapine and Oxcarbazepine. Int J Mol Sci 2020; 22:ijms22010144. [PMID: 33375681 PMCID: PMC7796420 DOI: 10.3390/ijms22010144] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 12/16/2020] [Accepted: 12/23/2020] [Indexed: 01/19/2023] Open
Abstract
The presence of stereogenic elements is a common feature in pharmaceutical compounds, and affording optically pure stereoisomers is a frequent issue in drug design. In this context, the study of the chiral molecular recognition mechanism fundamentally supports the understanding and optimization of chromatographic separations with chiral stationary phases. We investigated, with molecular docking, the interactions between the chiral HPLC selector Whelk-O1 and the stereoisomers of two bioactive compounds, the antiviral Nevirapine and the anticonvulsant Oxcarbazepine, both characterized by two stereolabile conformational enantiomers. The presence of fast-exchange enantiomers and the rate of the interconversion process were studied using low temperature enantioselective HPLC and VT-NMR with Whelk-O1 applied as chiral solvating agent. The values of the energetic barriers of interconversion indicate, for the single enantiomers of both compounds, half-lives sufficiently long enough to allow their separation only at critically sub-ambient temperatures. The chiral selector Whelk-O1 performed as a strongly selective discriminating agent both when applied as a chiral stationary phase (CSP) in HPLC and as CSA in NMR spectroscopy.
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Affiliation(s)
- Roberta Franzini
- Department of Chemistry and Technology of Drugs, “Department of Excellence 2018−2022”, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy; (M.P.); (A.I.); (A.C.)
- Correspondence: (R.F.); (C.V.)
| | - Marco Pierini
- Department of Chemistry and Technology of Drugs, “Department of Excellence 2018−2022”, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy; (M.P.); (A.I.); (A.C.)
| | - Andrea Mazzanti
- Dipartimento di Chimica Industriale “Toso Montanari”, Università di Bologna, V. Risorgimento 4, 40136 Bologna, Italy;
| | - Antonia Iazzetti
- Department of Chemistry and Technology of Drugs, “Department of Excellence 2018−2022”, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy; (M.P.); (A.I.); (A.C.)
| | - Alessia Ciogli
- Department of Chemistry and Technology of Drugs, “Department of Excellence 2018−2022”, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy; (M.P.); (A.I.); (A.C.)
| | - Claudio Villani
- Department of Chemistry and Technology of Drugs, “Department of Excellence 2018−2022”, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy; (M.P.); (A.I.); (A.C.)
- Correspondence: (R.F.); (C.V.)
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5
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Marinova M, Pascal S, Guénée L, Besnard C, Shivachev B, Kostova K, Villani C, Franzini R, Dimitrov V, Lacour J. Synthesis, Resolution, Configurational Stability, and Properties of Cationic Functionalized [5]Helicenes. J Org Chem 2020; 85:11908-11923. [PMID: 32907321 DOI: 10.1021/acs.joc.0c01716] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A straightforward approach to the synthesis of two different series of cationic [5]helicenes has been achieved including, in dioxa series, the possibility to introduce aromatic functional groups at the periphery of the helical structure. While photophysical study highlights that the introduction of aryl substituents at position 23 of the helical moieties has a negligible impact on the optical properties, styryl substituents allow a welcoming extension of the conjugation pathways. Finally, a red shift of the optical properties was evidenced upon introduction of nitrogen atoms in the helicene scaffold, leading to particularly good fluorescence efficiencies in the red domain for a helicenic dye. Detailed information on racemization kinetics was collected for the most stable species upon direct high-performance liquid chromatography (HPLC) resolution or, when configurational lability was too high, through VT-HPLC analysis on the chiral stationary phase (ΔG‡ values ranging from 85.0 to 137.1 kJ·mol-1 and above).
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Affiliation(s)
- Maya Marinova
- Department of Organic Chemistry, University of Geneva, Quai Ernest Ansermet 30, CH-1211 Geneva 4, Switzerland.,Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, Acad. G. Bonchev Str. 9, Sofia 1113, Bulgaria
| | - Simon Pascal
- Department of Organic Chemistry, University of Geneva, Quai Ernest Ansermet 30, CH-1211 Geneva 4, Switzerland
| | - Laure Guénée
- Laboratory of Crystallography, University of Geneva, Quai Ernest Ansermet 24, CH-1211 Geneva 4, Switzerland
| | - Céline Besnard
- Laboratory of Crystallography, University of Geneva, Quai Ernest Ansermet 24, CH-1211 Geneva 4, Switzerland
| | - Boris Shivachev
- Institute of Mineralogy and Crystallography "Acad. Ivan Kostov", Bulgarian Academy of Sciences, Acad. G. Bonchev Str. 107, Sofia 1113, Bulgaria
| | - Kalina Kostova
- Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, Acad. G. Bonchev Str. 9, Sofia 1113, Bulgaria
| | - Claudio Villani
- Dipartimento di Chimica e Tecnologie del Farmaco, Università "La Sapienza", 00185 Roma, Italy
| | - Roberta Franzini
- Dipartimento di Chimica e Tecnologie del Farmaco, Università "La Sapienza", 00185 Roma, Italy
| | - Vladimir Dimitrov
- Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, Acad. G. Bonchev Str. 9, Sofia 1113, Bulgaria
| | - Jérôme Lacour
- Department of Organic Chemistry, University of Geneva, Quai Ernest Ansermet 30, CH-1211 Geneva 4, Switzerland
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6
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Viglianisi C, Biagioli C, Lippi M, Pedicini M, Villani C, Franzini R, Menichetti S. Synthesis of Heterohelicenes by a Catalytic Multi-Component Povarov Reaction. European J Org Chem 2018. [DOI: 10.1002/ejoc.201801489] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Caterina Viglianisi
- Department of Chemistry “Ugo Schiff”; University of Florence; Via della Lastruccia, 3-13 50019 Sesto Fiorentino Italy
| | - Chiara Biagioli
- Department of Chemistry “Ugo Schiff”; University of Florence; Via della Lastruccia, 3-13 50019 Sesto Fiorentino Italy
| | - Martina Lippi
- Department of Chemistry “Ugo Schiff”; University of Florence; Via della Lastruccia, 3-13 50019 Sesto Fiorentino Italy
- Department of Chemistry; Materials and Chemical Engineering “G. Natta”; Milan Polytechnic; via Mancinelli 7 20131 Milano Italy
| | - Maria Pedicini
- Department of Chemistry “Ugo Schiff”; University of Florence; Via della Lastruccia, 3-13 50019 Sesto Fiorentino Italy
| | - Claudio Villani
- Department of Chemistry and Technology of Drugs; University “La Sapienza”; P.le A. Moro 5 - 00185 Roma Italy
| | - Roberta Franzini
- Department of Chemistry and Technology of Drugs; University “La Sapienza”; P.le A. Moro 5 - 00185 Roma Italy
| | - Stefano Menichetti
- Department of Chemistry “Ugo Schiff”; University of Florence; Via della Lastruccia, 3-13 50019 Sesto Fiorentino Italy
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7
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Belviso S, Santoro E, Lelj F, Casarini D, Villani C, Franzini R, Superchi S. Stereochemical Stability and Absolute Configuration of Atropisomeric Alkylthioporphyrazines by Dynamic NMR and HPLC Studies and Computational Analysis of HPLC-ECD Recorded Spectra. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800553] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Sandra Belviso
- Dipartimento di Scienze; Università della Basilicata; via dell'Ateneo Lucano 10 85100 Potenza Italy
- CR-INSTM Unità della Basilicata; LASCAMM; 85100 Potenza Italy
| | - Ernesto Santoro
- Dipartimento di Scienze; Università della Basilicata; via dell'Ateneo Lucano 10 85100 Potenza Italy
| | - Francesco Lelj
- Dipartimento di Scienze; Università della Basilicata; via dell'Ateneo Lucano 10 85100 Potenza Italy
- CR-INSTM Unità della Basilicata; LASCAMM; 85100 Potenza Italy
| | - Daniele Casarini
- Dipartimento di Scienze; Università della Basilicata; via dell'Ateneo Lucano 10 85100 Potenza Italy
| | - Claudio Villani
- Dipartimento di Chimica e Tecnologie del Farmaco; Università di Roma “La Sapienza”; Piazzale Aldo Moro 5 00185 Roma Italy
| | - Roberta Franzini
- Dipartimento di Chimica e Tecnologie del Farmaco; Università di Roma “La Sapienza”; Piazzale Aldo Moro 5 00185 Roma Italy
| | - Stefano Superchi
- Dipartimento di Scienze; Università della Basilicata; via dell'Ateneo Lucano 10 85100 Potenza Italy
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8
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Ciogli A, Vivek Kumar S, Mancinelli M, Mazzanti A, Perumal S, Severi C, Villani C. Atropisomerism in 3-arylthiazolidine-2-thiones. A combined dynamic NMR and dynamic HPLC study. Org Biomol Chem 2018; 14:11137-11147. [PMID: 27830854 DOI: 10.1039/c6ob02145j] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Sterically hindered 3-arylthiazolidine-2-thiones were prepared by a solvent-free reaction with arylisothiocyanates and 1,4-dithiane-2,5-diol. Atropisomerism was observed in two compounds (3 and 4, aryl = 1-naphthyl and 2-methylnaphth-1-yl), whose rotational energy barriers were measured using dynamic NMR and dynamic HPLC. The experimental analyses were supported by DFT calculations. Thermally stable atropisomers were obtained by dehydration of compounds 3 and 4 and the absolute configuration of the atropisomers of compound 6 was determined by theoretical simulation of the ECD and VCD spectra.
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Affiliation(s)
- A Ciogli
- Department of Chemistry and Technologies of Drug, Sapienza University of Rome, Piazzale A. Moro 5, I-00185 Rome, Italy
| | - S Vivek Kumar
- Department of Organic Chemistry, School of Chemistry, Madurai Kamaraj University, Madurai-625021, Tamil Nadu, India
| | - M Mancinelli
- Department of Industrial Chemistry "Toso Montanari", University of Bologna, Viale Risorgimento 4, I-40136 Bologna, Italy.
| | - A Mazzanti
- Department of Industrial Chemistry "Toso Montanari", University of Bologna, Viale Risorgimento 4, I-40136 Bologna, Italy.
| | - S Perumal
- Department of Organic Chemistry, School of Chemistry, Madurai Kamaraj University, Madurai-625021, Tamil Nadu, India
| | - C Severi
- Department of Industrial Chemistry "Toso Montanari", University of Bologna, Viale Risorgimento 4, I-40136 Bologna, Italy.
| | - C Villani
- Department of Chemistry and Technologies of Drug, Sapienza University of Rome, Piazzale A. Moro 5, I-00185 Rome, Italy
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9
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Gabrieli S, Cirilli R, Benincori T, Pierini M, Rizzo S, Rossi S. BITHIENOLs: PromisingC2-Symmetric Biheteroaromatic Diols for Organic Transformation. European J Org Chem 2017. [DOI: 10.1002/ejoc.201601353] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Sara Gabrieli
- Dipartimento di Scienza ed Alta Tecnologia dell'Università dell'Insubria; Via Valleggio 11 22100 Como Italy
| | - Roberto Cirilli
- Dipartimento del Farmaco; Istituto Superiore di Sanità; Viale Regina Elena 299 00161 Roma Italy
| | - Tiziana Benincori
- Dipartimento di Scienza ed Alta Tecnologia dell'Università dell'Insubria; Via Valleggio 11 22100 Como Italy
| | - Marco Pierini
- Dipartimento di Chimica e Tecnologie del Farmaco; Università degli Studi di Roma “La Sapienza”; Piazzale Aldo Moro 5 00185 Roma Italy
| | | | - Sergio Rossi
- Dipartimento di Chimica; Università degli Studi di Milano; Via Golgi 19 20133 Milano Italy
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Stereolability of Chiral Ruthenium Catalysts With Frozen NHC Ligand Conformations Investigated by Dynamic-HPLC. Chirality 2015; 27:685-92. [DOI: 10.1002/chir.22487] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2015] [Revised: 06/24/2015] [Accepted: 07/06/2015] [Indexed: 11/07/2022]
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11
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12
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Sabia R, Ciogli A, Pierini M, Gasparrini F, Villani C. Dynamic high performance liquid chromatography on chiral stationary phases. Low temperature separation of the interconverting enantiomers of diazepam, flunitrazepam, prazepam and tetrazepam. J Chromatogr A 2014; 1363:144-9. [DOI: 10.1016/j.chroma.2014.07.097] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2014] [Revised: 07/25/2014] [Accepted: 07/28/2014] [Indexed: 10/24/2022]
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