1
|
Chen Q, Zhu K. Advancements and strategic approaches in catenane synthesis. Chem Soc Rev 2024; 53:5677-5703. [PMID: 38659402 DOI: 10.1039/d3cs00499f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
Catenanes, a distinctive category of mechanically interlocked molecules composed of intertwined macrocycles, have undergone significant advancements since their initial stages characterized by inefficient statistical synthesis methods. Through the aid of molecular recognition processes and principles of self-assembly, a diverse array of catenanes with intricate structures can now be readily accessed utilizing template-directed synthetic protocols. The rapid evolution and emergence of this field have catalyzed the design and construction of artificial molecular switches and machines, leading to the development of increasingly integrated functional systems and materials. This review endeavors to explore the pivotal advancements in catenane synthesis from its inception, offering a comprehensive discussion of the synthetic methodologies employed in recent years. By elucidating the progress made in synthetic approaches to catenanes, our aim is to provide a clearer understanding of the future challenges in further advancing catenane chemistry from a synthetic perspective.
Collapse
Affiliation(s)
- Qing Chen
- School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, China.
| | - Kelong Zhu
- School of Chemistry, Sun Yat-Sen University, Guangzhou, 510275, China.
| |
Collapse
|
2
|
Henriksen HC, Sowers AJ, Travis CR, Vulpis TD, Cope TA, Ouslander SK, Russell AF, Gagné MR, Pophristic V, Liu Z, Waters ML. Stimulus-Induced Relief of Intentionally Incorporated Frustration Drives Refolding of a Water-Soluble Biomimetic Foldamer. J Am Chem Soc 2023; 145:27672-27679. [PMID: 38054648 PMCID: PMC11407234 DOI: 10.1021/jacs.3c09883] [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: 12/07/2023]
Abstract
Frustrated, or nonoptimal, interactions have been proposed to be essential to a protein's ability to display responsive behavior such as allostery, conformational signaling, and signal transduction. However, the intentional incorporation of frustrated noncovalent interactions has not been explored as a design element in the field of dynamic foldamers. Here, we report the design, synthesis, characterization, and molecular dynamics simulations of the first dynamic water-soluble foldamer that, in response to a stimulus, exploits relief of frustration in its noncovalent network to structurally rearrange from a pleated to an intercalated columnar structure. Thus, relief of frustration provides the energetic driving force for structural rearrangement. This work represents a previously unexplored design element for the development of stimulus-responsive systems that has potential application to materials chemistry, synthetic biology, and molecular machines.
Collapse
Affiliation(s)
- Hanne C Henriksen
- Department of Chemistry, CB 3290, UNC Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Adam J Sowers
- Department of Chemistry, CB 3290, UNC Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Christopher R Travis
- Department of Chemistry, CB 3290, UNC Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Troy D Vulpis
- Department of Chemistry, CB 3290, UNC Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Thomas A Cope
- Department of Chemistry, CB 3290, UNC Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Sarah K Ouslander
- Department of Chemistry, CB 3290, UNC Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Alexander F Russell
- Department of Chemistry, CB 3290, UNC Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Michel R Gagné
- Department of Chemistry, CB 3290, UNC Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Vojislava Pophristic
- Department of Chemistry and Biochemistry, Rowan University, Glassboro, New Jersey 08028-1701 , United States
| | - Zhiwei Liu
- Department of Chemistry and Biochemistry, Rowan University, Glassboro, New Jersey 08028-1701 , United States
| | - Marcey L Waters
- Department of Chemistry, CB 3290, UNC Chapel Hill, Chapel Hill, North Carolina 27599, United States
| |
Collapse
|
3
|
Au-Yeung HY, Deng Y. Distinctive features and challenges in catenane chemistry. Chem Sci 2022; 13:3315-3334. [PMID: 35432874 PMCID: PMC8943846 DOI: 10.1039/d1sc05391d] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 02/04/2022] [Indexed: 11/21/2022] Open
Abstract
From being an aesthetic molecular object to a building block for the construction of molecular machines, catenanes and related mechanically interlocked molecules (MIMs) continue to attract immense interest in many research areas. Catenane chemistry is closely tied to that of rotaxanes and knots, and involves concepts like mechanical bonds, chemical topology and co-conformation that are unique to these molecules. Yet, because of their different topological structures and mechanical bond properties, there are some fundamental differences between the chemistry of catenanes and that of rotaxanes and knots although the boundary is sometimes blurred. Clearly distinguishing these differences, in aspects of bonding, structure, synthesis and properties, between catenanes and other MIMs is therefore of fundamental importance to understand their chemistry and explore the new opportunities from mechanical bonds.
Collapse
Affiliation(s)
- Ho Yu Au-Yeung
- Department of Chemistry, The University of Hong Kong Pokfulam Road Hong Kong P. R. China
- State Key Laboratory of Synthetic Chemistry, The University of Hong Kong Pokfulam Road Hong Kong P. R. China
| | - Yulin Deng
- Department of Chemistry, The University of Hong Kong Pokfulam Road Hong Kong P. R. China
| |
Collapse
|
4
|
Hansen-Felby M, Sommerfeldt A, Henriksen ML, Pedersen SU, Daasbjerg K. Synthesis and depolymerization of self-immolative poly(disulfide)s with saturated aliphatic backbones. Polym Chem 2022. [DOI: 10.1039/d1py01412a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Self-immolative polymers (SIPs) are a class of degradable stimuli-responsive polymers, which, upon removal of labile end-caps, depolymerize selectively and stepwise to small molecules.
Collapse
Affiliation(s)
- Magnus Hansen-Felby
- Department of Chemistry, Aarhus University, Langelandsgade 140, DK-8000 Aarhus C, Denmark
| | - Andreas Sommerfeldt
- Department of Chemistry, Aarhus University, Langelandsgade 140, DK-8000 Aarhus C, Denmark
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav Wieds Vej 14, DK-8000 Aarhus C, Denmark
| | - Martin Lahn Henriksen
- Department of Engineering, Plastic and Polymer Engineering, Aabogade 40a, 8200 Aarhus N, Denmark
| | - Steen Uttrup Pedersen
- Department of Chemistry, Aarhus University, Langelandsgade 140, DK-8000 Aarhus C, Denmark
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav Wieds Vej 14, DK-8000 Aarhus C, Denmark
| | - Kim Daasbjerg
- Department of Chemistry, Aarhus University, Langelandsgade 140, DK-8000 Aarhus C, Denmark
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University, Gustav Wieds Vej 14, DK-8000 Aarhus C, Denmark
| |
Collapse
|
5
|
Caprice K, Pál D, Besnard C, Galmés B, Frontera A, Cougnon FBL. Diastereoselective Amplification of a Mechanically Chiral [2]Catenane. J Am Chem Soc 2021; 143:11957-11962. [PMID: 34323081 PMCID: PMC8397304 DOI: 10.1021/jacs.1c06557] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Achiral [2]catenanes composed of rings with inequivalent sides may adopt chiral co-conformations. Their stereochemistry depends on the relative orientation of the interlocked rings and can be controlled by sterics or an external stimulus (e.g., a chemical stimulus). Herein, we have exploited this stereodynamic property to amplify a mechanically chiral (P)-catenane upon binding to (R)-1,1'-binaphthyl 2,2'-disulfonate, with a diastereomeric excess of 85%. The chirality of the [2]catenane was ascertained in the solid state by single crystal X-ray diffraction and in solution by NMR and CD spectroscopies. This study establishes a robust basis for the development of a new synthetic approach to access enantioenriched mechanically chiral [2]catenanes.
Collapse
Affiliation(s)
- Kenji Caprice
- Department of Organic Chemistry, University of Geneva, 30 Quai Ernest-Ansermet, 1211 Geneva, Switzerland
| | - Dávid Pál
- Department of Organic Chemistry, University of Geneva, 30 Quai Ernest-Ansermet, 1211 Geneva, Switzerland
| | - Céline Besnard
- Laboratory of Crystallography, University of Geneva, 24 Quai Ernest-Ansermet, 1211 Geneva, Switzerland
| | - Bartomeu Galmés
- Department de Química, Universitat de les Illes Balears, Carretera de Valldemossa km 7.5, 07122 Palma de Mallorca, Baleares, Spain
| | - Antonio Frontera
- Department de Química, Universitat de les Illes Balears, Carretera de Valldemossa km 7.5, 07122 Palma de Mallorca, Baleares, Spain
| | - Fabien B L Cougnon
- Department of Organic Chemistry, University of Geneva, 30 Quai Ernest-Ansermet, 1211 Geneva, Switzerland
| |
Collapse
|
6
|
Peng X, Wang L, Chen S. Donor–acceptor charge transfer assemblies based on naphthalene diimides(NDIs). J INCL PHENOM MACRO 2021. [DOI: 10.1007/s10847-021-01044-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
|
7
|
Da Silva Rodrigues R, Luis ET, Marshall DL, McMurtrie JC, Mullen KM. Hydrazone exchange: a viable route for the solid-tethered synthesis of [2]rotaxanes. NEW J CHEM 2021. [DOI: 10.1039/d1nj00388g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Using a hydrazone exchange methodology, resin beads were functionalised with [2]rotaxanes at up to 80% efficiency—higher than using other dynamic or irreversible synthetic approaches to form self-assembled structures on solid supports.
Collapse
Affiliation(s)
| | - Ena T. Luis
- School of Chemistry and Physics
- Queensland University of Technology
- Brisbane
- Australia
- Centre for Materials Science
| | - David L. Marshall
- Centre for Materials Science
- Queensland University of Technology
- Brisbane
- Australia
- Central Analytical Research Facility
| | - John C. McMurtrie
- School of Chemistry and Physics
- Queensland University of Technology
- Brisbane
- Australia
- Centre for Materials Science
| | - Kathleen M. Mullen
- School of Chemistry and Physics
- Queensland University of Technology
- Brisbane
- Australia
- Centre for Materials Science
| |
Collapse
|
8
|
Keshri SK, Nakanishi W, Takai A, Ishizuka T, Kojima T, Takeuchi M. Discrete π Stack of a Tweezer-Shaped Naphthalenediimide-Anthracene Conjugate. Chemistry 2020; 26:13288-13294. [PMID: 32583576 DOI: 10.1002/chem.202002477] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Indexed: 12/22/2022]
Abstract
The design and synthesis of a tweezer-shaped naphthalenediimide (NDI)-anthracene conjugate (2NDI) are reported. In the structure of the closed form (πNDI ⋅⋅⋅πNDI stack) of 2NDI, which was elucidated by single-crystal XRD, the existence of C-H⋅⋅⋅O hydrogen bonding involving the nearest carbonyl oxygen atom of an NDI unit was suggested. The tunability of πNDI ⋅⋅⋅πNDI interactions was studied by means of UV/Vis absorption, fluorescence and NMR spectroscopy and molecular modelling. This revealed that the πNDI ⋅⋅⋅πNDI interactions in 2NDI affect the absorption and emission properties depending on the temperature. Furthermore, in polar solvents, 2NDI prefers the stronger πNDI ⋅⋅⋅πNDI stack, whereas the πNDI ⋅⋅⋅πNDI interaction is diminished in nonpolar solvents. Importantly, the conformational variations of 2NDI can be reversibly switched by variation in temperature, and this suggests potential application for fluorogenic molecular switches upon temperature changes.
Collapse
Affiliation(s)
- Sudhir Kumar Keshri
- Molecular Design and Function Group, National Institute for Materials Science (NIMS), 1-2-1 Sengen, Tsukuba, 305-0047, Japan
| | - Waka Nakanishi
- Molecular Design and Function Group, National Institute for Materials Science (NIMS), 1-2-1 Sengen, Tsukuba, 305-0047, Japan
| | - Atsuro Takai
- Molecular Design and Function Group, National Institute for Materials Science (NIMS), 1-2-1 Sengen, Tsukuba, 305-0047, Japan
| | - Tomoya Ishizuka
- Department of Chemistry, Faculty of Pure & Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, 305-8571, Japan
| | - Takahiko Kojima
- Department of Chemistry, Faculty of Pure & Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, 305-8571, Japan
| | - Masayuki Takeuchi
- Molecular Design and Function Group, National Institute for Materials Science (NIMS), 1-2-1 Sengen, Tsukuba, 305-0047, Japan
| |
Collapse
|
9
|
Zhang Y, Chen Q, Wang Y, Zheng X, Wang H, Cao F, Sue ACH, Li H. A bistable [2]catenane switched by hetero-radical pairing interactions. Chem Commun (Camb) 2020; 56:11887-11890. [PMID: 33021249 DOI: 10.1039/d0cc02012e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A bistable [2]catenane composed of a tetracationic cyclophane, namely cyclobis(paraquat-p-phenylene) (CBPQT4+) that is mechanically interlocked by a neutral macrocylic component containing both a 1,5-dioxynaphthalene (DNP) and a naphthalene-1,4,5,8-bis(dicarboximide) (NDI) unit, was obtained by using template-directed synthesis via click chemistry. In the fully oxidized state, the CBPQT4+ component encircles the DNP unit, driven by donor-acceptor interactions. Upon reduction of both the CBPQT4+ ring and the NDI unit, the CBPQT2(˙+) ring undergoes shuttling and resides on the NDI˙- station, driven by coulombic-enhanced spin-pairing interactions between different aromatic radicals.
Collapse
Affiliation(s)
- Yang Zhang
- Department of Chemistry, Zhejiang University, Hangzhou 310027, P. R. China.
| | | | | | | | | | | | | | | |
Collapse
|
10
|
Lu Y, Liu D, Lin YJ, Jin GX. A hierarchical assembly strategy for near-infrared photothermal conversion: unconventional heterogeneous metalla[2]catenanes. Chem Sci 2020; 11:11509-11513. [PMID: 34094395 PMCID: PMC8162941 DOI: 10.1039/d0sc04523c] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Accepted: 09/19/2020] [Indexed: 02/06/2023] Open
Abstract
Herein, we report a hierarchical assembly strategy for constructing heterogeneous half-sandwich organometallic D-A (D = π-donor, A = π-acceptor) interlocked structures, and their application in near-infrared (NIR) photothermal conversion. Thienothiophene and diketopyrrolopyrrole groups were selected as the D and A units, leading to two homogeneous metalla[2]catenanes with D-D-D-D and A-A-A-A stacks, respectively. By the ordered secondary assembly of homogeneous metalla[2]catenanes, two unprecedented heterogeneous D-A metalla[2]catenanes comprising an unusual mixed D-A-D-D and unconventional D-A-A-A stacks were realized by the combination of multiple noncovalent interactions, as all demonstrated by a detailed X-ray crystallographic study. Benefiting from the mixed D-A stacking modes, NIR absorption of heterogeneous D-A metalla[2]catenanes is significantly enhanced in contrast to homogeneous metalla[2]catenanes. Thanks to the enhanced NIR absorption and the fluorescence quenching effect from half-sandwich organometallic fragments, heterogeneous D-A metalla[2]catenanes displayed high-performance NIR photothermal conversion properties (η = 27.3%).
Collapse
Affiliation(s)
- Ye Lu
- State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University 2005 Songhu road Shanghai 200438 P. R. China
| | - Dong Liu
- State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University 2005 Songhu road Shanghai 200438 P. R. China
| | - Yue-Jian Lin
- State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University 2005 Songhu road Shanghai 200438 P. R. China
| | - Guo-Xin Jin
- State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University 2005 Songhu road Shanghai 200438 P. R. China
| |
Collapse
|
11
|
Gianga TM, Audibert E, Trandafir A, Kociok-Köhn G, Pantoş GD. Discovery of an all-donor aromatic [2]catenane. Chem Sci 2020; 11:9685-9690. [PMID: 34094233 PMCID: PMC8162110 DOI: 10.1039/d0sc04317f] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
We report herein the first all-donor aromatic [2]catenane formed through dynamic combinatorial chemistry, using single component libraries. The building block is a benzo[1,2-b:4,5-b′]dithiophene derivative, a π-donor molecule, with cysteine appendages that allow for disulfide exchange. The hydrophobic effect plays an essential role in the formation of the all-donor [2]catenane. The design of the building block allows the formation of a quasi-fused pentacyclic core, which enhances the stacking interactions between the cores. The [2]catenane has chiro-optical and fluorescent properties, being also the first known DCC-disulphide-based interlocked molecule to be fluorescent. An all-donor [2]catenane has been synthesised via dynamic combinatorial chemistry. It features stacked benzodithiophenes which are quasi-pentacyclic through hydrogen bonding.![]()
Collapse
Affiliation(s)
| | | | | | - Gabriele Kociok-Köhn
- Materials and Chemical Characterisation Facility (MC2), University of Bath BA2 7AY Bath UK
| | - G Dan Pantoş
- Department of Chemistry, University of Bath BA2 7AY Bath UK
| |
Collapse
|
12
|
Hossain MM, Atkinson JL, Hartley CS. Dissipative Assembly of Macrocycles Comprising Multiple Transient Bonds. Angew Chem Int Ed Engl 2020; 59:13807-13813. [PMID: 32384209 DOI: 10.1002/anie.202001523] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 04/18/2020] [Indexed: 12/20/2022]
Abstract
Dissipative assembly has great potential for the creation of new adaptive chemical systems. However, while molecular assembly at equilibrium is routinely used to prepare complex architectures from polyfunctional monomers, species formed out of equilibrium have, to this point, been structurally very simple. In most examples the fuel simply effects the formation of a single short-lived covalent bond. Herein, we show that chemical fuels can assemble bifunctional components into macrocycles containing multiple transient bonds. Specifically, dicarboxylic acids give aqueous dianhydride macrocycles on treatment with a carbodiimide. The macrocycles are assembled efficiently as a consequence of both fuel-dependent and fuel-independent mechanisms; they undergo slower decomposition, building up as the fuel recycles the components, and are a favored product of the dynamic exchange of the anhydride bonds. These results create new possibilities for generating structurally sophisticated out-of-equilibrium species.
Collapse
Affiliation(s)
| | - Joshua L Atkinson
- Department of Chemistry & Biochemistry, Miami University, Oxford, OH, 45056, USA
| | - C Scott Hartley
- Department of Chemistry & Biochemistry, Miami University, Oxford, OH, 45056, USA
| |
Collapse
|
13
|
Hossain MM, Atkinson JL, Hartley CS. Dissipative Assembly of Macrocycles Comprising Multiple Transient Bonds. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202001523] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
| | - Joshua L. Atkinson
- Department of Chemistry & Biochemistry Miami University Oxford OH 45056 USA
| | - C. Scott Hartley
- Department of Chemistry & Biochemistry Miami University Oxford OH 45056 USA
| |
Collapse
|
14
|
Ronson TK, Wang Y, Baldridge K, Siegel JS, Nitschke JR. An S10-Symmetric 5-Fold Interlocked [2]Catenane. J Am Chem Soc 2020; 142:10267-10272. [PMID: 32453562 PMCID: PMC7291353 DOI: 10.1021/jacs.0c03349] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
The reaction of sym-pentakis(4-aminothiophenyl)corannulene with 2-formyl-6-methylpyridine and CuI or 2-formyl-1,10-phenanthroline and MII (M = Co, Zn) yields an S10-symmetric 5-fold interlocked [2]catenane of two interpenetrating [CuI5L2]5+ cages or D5-symmetric [MII5L2]10+ cages, respectively. The new structures were characterized by X-ray crystallography, NMR spectroscopy, and mass spectrometry. Density functional theory computations point to dispersive energies on par with traditional covalent bond energies. Subcomponent exchange reactions favored formation of the [CoII5L2]10+ cage over the [CuI10L4]10+ catenane. The single cage and catenane each cocrystallized with a corannulene guest to form a bowl-in-bowl substructure.
Collapse
Affiliation(s)
- Tanya K Ronson
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Yujia Wang
- Health Sciences Platform, Tianjin University, 92 Weijin Road, Nankai District, Tianjin 300072, China
| | - Kim Baldridge
- Health Sciences Platform, Tianjin University, 92 Weijin Road, Nankai District, Tianjin 300072, China
| | - Jay S Siegel
- Health Sciences Platform, Tianjin University, 92 Weijin Road, Nankai District, Tianjin 300072, China
| | - Jonathan R Nitschke
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| |
Collapse
|
15
|
Abstract
We report a new class of building blocks for Dynamic Combinatorial Chemistry (DCC) based on the pyrroloindole scaffold. The attachment of l-cysteine on the α, α′ positions of the core makes the molecule suitable for disulfide exchange in aqueous dynamic combinatorial libraries (DCLs). The synthesis of the core follows a modified version of the Knoevenagel–Hemetsberger approach. The new building block (l-PI) is fluorescent (Φ = 48%) and relatively stable towards thermal and photodegradation. The chirality of the cysteine is transferred to the electron-rich pyrroloindole core. Homo- and heterochiral DCLs of l-PI with electron-deficient l- and d-naphthalenediimide (NDI) lead to similar library distributions regardless of the enantiomer used. When no salt is present, the major component is a dimer, while dimers and tetramers are obtained at increased ionic strength.
Collapse
|
16
|
Jia C, Qi D, Zhang Y, Rissanen K, Li J. Strategies for Exploring Functions from Dynamic Combinatorial Libraries. CHEMSYSTEMSCHEM 2020. [DOI: 10.1002/syst.202000019] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Chunman Jia
- Hainan Provincial Key Lab of Fine ChemKey laboratory of Advanced Materials of Tropical Island Resources of Ministry of EducationHainan University Haikou 570228 China
| | - Dawei Qi
- MediCity Research LaboratoryUniversity of Turku Tykistökatu 6 20520 Turku Finland
| | - Yucang Zhang
- Hainan Provincial Key Lab of Fine ChemKey laboratory of Advanced Materials of Tropical Island Resources of Ministry of EducationHainan University Haikou 570228 China
| | - Kari Rissanen
- Department of ChemistryUniversity of Jyväskylä P.O. Box 35 40014 Jyväskylä Finland
| | - Jianwei Li
- Hainan Provincial Key Lab of Fine ChemKey laboratory of Advanced Materials of Tropical Island Resources of Ministry of EducationHainan University Haikou 570228 China
- MediCity Research LaboratoryUniversity of Turku Tykistökatu 6 20520 Turku Finland
| |
Collapse
|
17
|
Da Silva Rodrigues R, Marshall DL, McMurtrie JC, Mullen KM. Dynamic covalent synthesis of [2]- and [3]rotaxanes both in solution and on solid supports. NEW J CHEM 2020. [DOI: 10.1039/d0nj02137g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Here we demonstrate the application of a dynamic covalent chemistry methodology for the synthesis of [2]- and [3]-rotaxanes not only in solution, but also on solid supports with 65% rotaxane functionalisation of the polymer resins observed.
Collapse
Affiliation(s)
| | - David L. Marshall
- Centre for Materials Science
- Queensland University of Technology
- Brisbane
- Australia
- Central Analytical Research Facility
| | - John C. McMurtrie
- School of Chemistry and Physics
- Queensland University of Technology
- Brisbane
- Australia
- Centre for Materials Science
| | - Kathleen M. Mullen
- School of Chemistry and Physics
- Queensland University of Technology
- Brisbane
- Australia
- Centre for Materials Science
| |
Collapse
|
18
|
Liu D, Lu Y, Lin Y, Jin G. Donor–Acceptor [2]‐ and [3]Catenanes Assembled from Versatile Pre‐Organized Cp*Rh/Ir‐Directed Pseudorotaxane Tectons. Chemistry 2019; 25:14785-14789. [DOI: 10.1002/chem.201904082] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2019] [Indexed: 01/09/2023]
Affiliation(s)
- Dong Liu
- State Key Laboratory of Molecular Engineering of PolymersCollaborative Innovation Center of Chemistry for Energy MaterialsDepartment of ChemistryFudan University 2005 Songhu Road Shanghai 200438 P. R. China
| | - Ye Lu
- State Key Laboratory of Molecular Engineering of PolymersCollaborative Innovation Center of Chemistry for Energy MaterialsDepartment of ChemistryFudan University 2005 Songhu Road Shanghai 200438 P. R. China
| | - Yue‐Jian Lin
- State Key Laboratory of Molecular Engineering of PolymersCollaborative Innovation Center of Chemistry for Energy MaterialsDepartment of ChemistryFudan University 2005 Songhu Road Shanghai 200438 P. R. China
| | - Guo‐Xin Jin
- State Key Laboratory of Molecular Engineering of PolymersCollaborative Innovation Center of Chemistry for Energy MaterialsDepartment of ChemistryFudan University 2005 Songhu Road Shanghai 200438 P. R. China
- State Key Laboratory of Organometallic ChemistryShanghai Institute of Organic Chemistry, Chinese Academy of Science 345 Lingling Road Shanghai 200032 P. R. China
| |
Collapse
|
19
|
Feng X, Liao P, Jiang J, Shi J, Ke Z, Zhang J. Perylene Diimide Based Imine Cages for Inclusion of Aromatic Guest Molecules and Visible‐Light Photocatalysis. CHEMPHOTOCHEM 2019. [DOI: 10.1002/cptc.201900058] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Xiying Feng
- Sun Yat-Sen University MOE Laboratory of Polymeric Composite and Functional MaterialsSchool of Materials Science and Engineering Guangzhou 510275 China
| | - Peisen Liao
- Sun Yat-Sen University MOE Laboratory of Polymeric Composite and Functional MaterialsSchool of Materials Science and Engineering Guangzhou 510275 China
| | - Jingxing Jiang
- Sun Yat-Sen University MOE Laboratory of Polymeric Composite and Functional MaterialsSchool of Materials Science and Engineering Guangzhou 510275 China
| | - Jianying Shi
- Sun Yat-Sen University MOE Laboratory of Polymeric Composite and Functional MaterialsSchool of Materials Science and Engineering Guangzhou 510275 China
| | - Zhuofeng Ke
- Sun Yat-Sen University MOE Laboratory of Polymeric Composite and Functional MaterialsSchool of Materials Science and Engineering Guangzhou 510275 China
| | - Jianyong Zhang
- Sun Yat-Sen University MOE Laboratory of Polymeric Composite and Functional MaterialsSchool of Materials Science and Engineering Guangzhou 510275 China
| |
Collapse
|
20
|
Coordination-driven self-assembly of a molecular figure-eight knot and other topologically complex architectures. Nat Commun 2019; 10:2057. [PMID: 31053709 PMCID: PMC6499799 DOI: 10.1038/s41467-019-10075-6] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Accepted: 04/08/2019] [Indexed: 11/10/2022] Open
Abstract
Over the past decades, molecular knots and links have captivated the chemical community due to their promising mimicry properties in molecular machines and biomolecules and are being realized with increasing frequency with small molecules. Herein, we describe how to utilize stacking interactions and hydrogen-bonding patterns to form trefoil knots, figure-eight knots and [2]catenanes. A transformation can occur between the unique trefoil knot and its isomeric boat-shaped tetranuclear macrocycle by the complementary concentration effect. Remarkably, the realization and authentication of the molecular figure-eight knot with four crossings fills the blank about 41 knot in knot tables. The [2]catenane topology is obtained because the selective naphthalenediimide (NDI)-based ligand, which can engender favorable aromatic donor-acceptor π interactions due to its planar, electron-deficient aromatic surface. The stacking interactions and hydrogen-bond interactions play important roles in these self-assembly processes. The advantages provide an avenue for the generation of structurally and topologically complex supramolecular architectures. Molecular knots and links continue to fascinate synthetic chemists. Here, the authors use stacking and hydrogen-bonding interactions between a set of similar building blocks to construct several complex molecular topologies, including a figure-eight knot and a trefoil knot.
Collapse
|
21
|
Ng AWH, Au‐Yeung HY. Molecular Links and Knots from Naphthalenediimide: A Balance of Weak Interactions. Chem Asian J 2019; 14:1602-1612. [DOI: 10.1002/asia.201801681] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Indexed: 11/06/2022]
Affiliation(s)
- Antony Wing Hung Ng
- Department of ChemistryThe University of Hong Kong Pokfulam Road Hong Kong P. R. China
| | - Ho Yu Au‐Yeung
- Department of ChemistryThe University of Hong Kong Pokfulam Road Hong Kong P. R. China
| |
Collapse
|
22
|
Wenholz DS, Bhadbhade M, Kandemir H, Ho J, Kumar N, Black DS. Substituent effects in solid-state assembly of activated benzotriazoles. CrystEngComm 2019. [DOI: 10.1039/c8ce01757c] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Aromatic donor–acceptor stacking involving electron-rich π-donors and electron-deficient π-acceptors has been utilized in a broad spectrum of diverse applications to great effect.
Collapse
Affiliation(s)
| | | | - Hakan Kandemir
- School of Chemistry
- UNSW Sydney
- Australia
- Department of Chemistry
- Faculty of Art and Science
| | | | | | | |
Collapse
|
23
|
Dehkordi ME, Luxami V, Pantoş GD. High-Yielding Synthesis of Chiral Donor–Acceptor Catenanes. J Org Chem 2018; 83:11654-11660. [DOI: 10.1021/acs.joc.8b01629] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
| | - Vijay Luxami
- Department of Chemistry, University of Bath, Calverton Down, Bath BA27AY, U.K
| | - G. Dan Pantoş
- Department of Chemistry, University of Bath, Calverton Down, Bath BA27AY, U.K
| |
Collapse
|
24
|
Pulka-Ziach K. Influence of reaction conditions on the oxidation of thiol groups in model peptidomimetic oligoureas. J Pept Sci 2018; 24:e3096. [DOI: 10.1002/psc.3096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 05/23/2018] [Accepted: 05/28/2018] [Indexed: 11/12/2022]
|
25
|
Chen L, Lim KJC, Babra TS, Taylor JO, PiŽl M, Evans R, Chippindale AM, Hartl F, Colquhoun HM, Greenland BW. A macrocyclic receptor containing two viologen species connected by conjugated terphenyl groups. Org Biomol Chem 2018; 16:5006-5015. [PMID: 29946600 DOI: 10.1039/c8ob00919h] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A macrocyclic receptor molecule containing two viologen species connected by conjugated terphenyl groups has been designed and synthesised. The single-crystal X-ray structure shows that the two viologen residues have a transannular NN separation of ca. 7.4 Å. Thus, the internal cavity dimensions are suitable for the inclusion of π-electron-rich species. The macrocycle is redox active, and can accept electrons from suitable donor species including triethylamine, resulting in a dramatic colour change from pale yellow to dark green as a consequence of the formation of a paramagnetic bis(radical cationic) species. Cyclic voltammetry shows that the macrocycle can undergo two sequential and reversible reduction processes (E1/2 = -0.65 and -0.97 V vs. Fc/Fc+). DFT and TD-DFT studies accurately replicate the structure of the tetracationic macrocycle and the electronic absorption spectra of the three major redox states of the system. These calculations also showed that during electrochemical reduction, the unpaired electron density of the radical cations remained relatively localised within the heterocyclic rings. The ability of the macrocycle to form supramolecular complexes was confirmed by the formation of a pseudorotaxane with a guest molecule containing a π-electron-rich 1,5-dihydroxynaphthalene derivative. Threading and dethreading of the pseudorotaxane was fast on the NMR timescale, and the complex exhibited an association constant of 150 M-1 (±30 M-1) as calculated from 1H NMR titration studies.
Collapse
Affiliation(s)
- Long Chen
- Department of Chemistry, University of Reading, Whiteknights, Reading, RG6 6AD, UK.
| | | | | | | | | | | | | | | | | | | |
Collapse
|
26
|
Gong X, Zhou J, Hartlieb KJ, Miller C, Li P, Farha OK, Hupp JT, Young RM, Wasielewski MR, Stoddart JF. Toward a Charged Homo[2]catenane Employing Diazaperopyrenium Homophilic Recognition. J Am Chem Soc 2018; 140:6540-6544. [DOI: 10.1021/jacs.8b03407] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
| | | | | | | | | | - Omar K. Farha
- Department of Chemistry, Faculty of Science, King Abdulaziz University, Jeddah 22254, Saudi Arabia
| | | | | | | | - J. Fraser Stoddart
- Institute for Molecular Design and Synthesis, Tianjin University, 92 Weijin Road, Tianjin 300092, P. R. China
| |
Collapse
|
27
|
Batiste SM, Johnston JN. Evidence for Ion-Templation During Macrocyclooligomerization of Depsipeptides. J Am Chem Soc 2018; 140:4560-4568. [PMID: 29565576 PMCID: PMC5996984 DOI: 10.1021/jacs.7b13148] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The ion-mediated Mitsunobu macrocyclooligomerization (M-MCO) reaction of hydroxy acid depsipeptides provides small collections of cyclic depsipeptides with good mass recovery. The approach can produce good yields of a single macrocycle or provide rapid access to multiple oligomeric macrocycles in good overall yield. While Lewis acidic alkali metal salts are known to play a role in the outcome of MCO reactions, it is unclear whether their effect is due to an organizational (e.g., templating) mechanism. Isothermal titration calorimetry (ITC) was used to study macrocycle-metal ion binding interactions, and this report correlates these thermodynamic measurements to the (kinetically determined) size distributions of depsipeptides formed during a Mitsunobu-based macrocyclooligomerization (MCO). Key trends have been identified in quantitative metal ion-cyclic depsipeptide binding affinity ( Ka), enthalpy of binding (Δ H), and stoichiometry of complexation across discrete series of macrocycles, and they provide the first analytical platform to rationally select a metal-ion template for a targeted size regime of cyclic oligomeric depsipeptides.
Collapse
Affiliation(s)
- Suzanne M Batiste
- Department of Chemistry and Vanderbilt Institute of Chemical Biology , Vanderbilt University , Nashville , Tennessee 37235-1822 , United States
| | - Jeffrey N Johnston
- Department of Chemistry and Vanderbilt Institute of Chemical Biology , Vanderbilt University , Nashville , Tennessee 37235-1822 , United States
| |
Collapse
|
28
|
Diac A, Matache M, Grosu I, Hădade ND. Naphthalenediimide - A Unique Motif in Macrocyclic and Interlocked Supramolecular Structures. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201701362] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Andreea Diac
- Faculty of Chemistry and Chemical Engineering, Supramolecular Organic and Organometallic Chemistry Centre; “Babeş-Bolyai” University; 11 Arany Janos Str. RO-400028 Cluj-Napoca Romania
| | - Mihaela Matache
- University of Bucharest; Faculty of Chemistry, Department of Organic Chemistry, Biochemistry and Catalysis, Research Centre of Applied Organic Chemistry; 90-92 Panduri Street RO-050663 Bucharest Romania
| | - Ion Grosu
- Faculty of Chemistry and Chemical Engineering, Supramolecular Organic and Organometallic Chemistry Centre; “Babeş-Bolyai” University; 11 Arany Janos Str. RO-400028 Cluj-Napoca Romania
| | - Niculina D. Hădade
- Faculty of Chemistry and Chemical Engineering, Supramolecular Organic and Organometallic Chemistry Centre; “Babeş-Bolyai” University; 11 Arany Janos Str. RO-400028 Cluj-Napoca Romania
| |
Collapse
|
29
|
Bhanvadia VJ, Patel AL, Zade SS. Constructing a self-assembling C3-symmetric covalently linked (fused) donor–acceptor-type molecule containing a hexaazatriphenylene core. NEW J CHEM 2018. [DOI: 10.1039/c8nj03793k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
A C3-symmetric fused donor–acceptor-type molecule containing a hexaazatriphenylene core, with a tendency to form π-stacked aggregates, has been synthesized and studied.
Collapse
Affiliation(s)
- Viraj J. Bhanvadia
- Department of Chemistry
- Faculty of Science
- The Maharaja Sayajirao University of Baroda
- Vadodara − 390002
- India
| | - Arun L. Patel
- Department of Chemistry
- Faculty of Science
- The Maharaja Sayajirao University of Baroda
- Vadodara − 390002
- India
| | - Sanjio S. Zade
- Department of Chemical Sciences
- Indian Institute of Science Education and Research (IISER) Kolkata
- Mohanpur – 741246
- India
| |
Collapse
|
30
|
Kyratzis N, Cao W, Izgorodina EI, Turner DR. Structural changes in coordination polymers in response to small changes in steric bulk (H vs. Me): an experimental and theoretical study. CrystEngComm 2018. [DOI: 10.1039/c8ce00744f] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Small changes in the steric bulk in bis(amino acid) naphthalene diimides are shown to have a very significant impact on the structural motifs that are observed in coordination polymers containing the dicarboxylate ligands.
Collapse
Affiliation(s)
| | - Winnie Cao
- School of Chemistry
- Monash University
- Clayton
- Australia
| | | | | |
Collapse
|
31
|
Valdivielso AM, Puig-Castellví F, Atcher J, Solà J, Tauler R, Alfonso I. Unraveling the Multistimuli Responses of a Complex Dynamic System of Pseudopeptidic Macrocycles. Chemistry 2017; 23:10789-10799. [DOI: 10.1002/chem.201701294] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Indexed: 12/11/2022]
Affiliation(s)
- Angel M. Valdivielso
- Department of Biological Chemistry and Molecular Modeling; IQAC-CSIC; Jordi Girona 18-26 08034 Barcelona Spain
| | | | - Joan Atcher
- Department of Biological Chemistry and Molecular Modeling; IQAC-CSIC; Jordi Girona 18-26 08034 Barcelona Spain
| | - Jordi Solà
- Department of Biological Chemistry and Molecular Modeling; IQAC-CSIC; Jordi Girona 18-26 08034 Barcelona Spain
| | - Romà Tauler
- Department of Environmental Chemistry; IDAEA-CSIC; Jordi Girona 18-26 08034 Barcelona Spain
| | - Ignacio Alfonso
- Department of Biological Chemistry and Molecular Modeling; IQAC-CSIC; Jordi Girona 18-26 08034 Barcelona Spain
| |
Collapse
|
32
|
Komáromy D, Stuart MCA, Monreal Santiago G, Tezcan M, Krasnikov VV, Otto S. Self-Assembly Can Direct Dynamic Covalent Bond Formation toward Diversity or Specificity. J Am Chem Soc 2017; 139:6234-6241. [PMID: 28398730 PMCID: PMC5423079 DOI: 10.1021/jacs.7b01814] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
![]()
With
the advent of reversible covalent chemistry the study of the
interplay between covalent bond formation and noncovalent interactions
has become increasingly relevant. Here we report that the interplay
between reversible disulfide chemistry and self-assembly can give
rise either to molecular diversity, i.e., the emergence of a unprecedentedly
large range of macrocycles or to molecular specificity, i.e., the
autocatalytic emergence of a single species. The two phenomena are
the result of two different modes of self-assembly, demonstrating
that control over self-assembly pathways can enable control over covalent
bond formation.
Collapse
Affiliation(s)
- Dávid Komáromy
- Centre for Systems Chemistry, Stratingh Institute, University of Groningen , Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Marc C A Stuart
- Centre for Systems Chemistry, Stratingh Institute, University of Groningen , Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Guillermo Monreal Santiago
- Centre for Systems Chemistry, Stratingh Institute, University of Groningen , Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Meniz Tezcan
- Centre for Systems Chemistry, Stratingh Institute, University of Groningen , Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Victor V Krasnikov
- Zernike Institute for Advanced Materials, University of Groningen , Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Sijbren Otto
- Centre for Systems Chemistry, Stratingh Institute, University of Groningen , Nijenborgh 4, 9747 AG Groningen, The Netherlands
| |
Collapse
|
33
|
Zhang L, Lin L, Liu D, Lin YJ, Li ZH, Jin GX. Stacking Interactions Induced Selective Conformation of Discrete Aromatic Arrays and Borromean Rings. J Am Chem Soc 2017; 139:1653-1660. [DOI: 10.1021/jacs.6b11968] [Citation(s) in RCA: 93] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Long Zhang
- Shanghai Key Laboratory of
Molecular Catalysis and Innovative Materials, State Key Laboratory
of Molecular Engineering of Polymers, Collaborative Innovation Center
of Chemistry for Energy Materials, Department of Chemistry, Fudan University, Shanghai 200433, P. R. China
| | - Lin Lin
- Shanghai Key Laboratory of
Molecular Catalysis and Innovative Materials, State Key Laboratory
of Molecular Engineering of Polymers, Collaborative Innovation Center
of Chemistry for Energy Materials, Department of Chemistry, Fudan University, Shanghai 200433, P. R. China
| | - Dong Liu
- Shanghai Key Laboratory of
Molecular Catalysis and Innovative Materials, State Key Laboratory
of Molecular Engineering of Polymers, Collaborative Innovation Center
of Chemistry for Energy Materials, Department of Chemistry, Fudan University, Shanghai 200433, P. R. China
| | - Yue-Jian Lin
- Shanghai Key Laboratory of
Molecular Catalysis and Innovative Materials, State Key Laboratory
of Molecular Engineering of Polymers, Collaborative Innovation Center
of Chemistry for Energy Materials, Department of Chemistry, Fudan University, Shanghai 200433, P. R. China
| | - Zhen-Hua Li
- Shanghai Key Laboratory of
Molecular Catalysis and Innovative Materials, State Key Laboratory
of Molecular Engineering of Polymers, Collaborative Innovation Center
of Chemistry for Energy Materials, Department of Chemistry, Fudan University, Shanghai 200433, P. R. China
| | - Guo-Xin Jin
- Shanghai Key Laboratory of
Molecular Catalysis and Innovative Materials, State Key Laboratory
of Molecular Engineering of Polymers, Collaborative Innovation Center
of Chemistry for Energy Materials, Department of Chemistry, Fudan University, Shanghai 200433, P. R. China
| |
Collapse
|
34
|
Besenius P. Controlling supramolecular polymerization through multicomponent self-assembly. ACTA ACUST UNITED AC 2016. [DOI: 10.1002/pola.28385] [Citation(s) in RCA: 101] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Pol Besenius
- Institute of Organic Chemistry, Johannes Gutenberg-Universität Mainz; Duesbergweg 10-14 Mainz 55128 Germany
| |
Collapse
|
35
|
Basak S, Nandi N, Bhattacharyya K, Datta A, Banerjee A. Fluorescence from an H-aggregated naphthalenediimide based peptide: photophysical and computational investigation of this rare phenomenon. Phys Chem Chem Phys 2016; 17:30398-403. [PMID: 26508537 DOI: 10.1039/c5cp05236j] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Fluorescence associated with J-aggregated naphthalenediimides (NDIs) is common. However, in this study an NDI based synthetic peptide molecule is found to form a fluorescent H-aggregate in a chloroform (CHCl3)-methylcyclohexane (MCH) mixture. An attempt has been made to explain the unusual fluorescence property of this H-aggregated NDI derivative. Time correlated single photon counting (TCSPC) shows that the average lifetime of the NDI based molecule is on the order of a few nanoseconds. It is revealed from the computational study that the transition from the second exited state (S2) to the ground energy state (S0) is responsible for the fluorescence as S1 is a dark state. Such rare violation of Kasha's rule accounts for the unusual fluorescence properties of this type of NDI molecule in the H-aggregated state.
Collapse
Affiliation(s)
- Shibaji Basak
- Department of Biological Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata - 700 032, India.
| | - Nibedita Nandi
- Department of Biological Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata - 700 032, India.
| | - Kalishankar Bhattacharyya
- Department of Spectroscopy, Indian Association for the Cultivation of Science, Jadavpur, Kolkata - 700 032, India.
| | - Ayan Datta
- Department of Spectroscopy, Indian Association for the Cultivation of Science, Jadavpur, Kolkata - 700 032, India.
| | - Arindam Banerjee
- Department of Biological Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata - 700 032, India.
| |
Collapse
|
36
|
Abstract
On the basis of many literature measurements, a critical overview is given on essential noncovalent interactions in synthetic supramolecular complexes, accompanied by analyses with selected proteins. The methods, which can be applied to derive binding increments for single noncovalent interactions, start with the evaluation of consistency and additivity with a sufficiently large number of different host-guest complexes by applying linear free energy relations. Other strategies involve the use of double mutant cycles, of molecular balances, of dynamic combinatorial libraries, and of crystal structures. Promises and limitations of these strategies are discussed. Most of the analyses stem from solution studies, but a few also from gas phase. The empirically derived interactions are then presented on the basis of selected complexes with respect to ion pairing, hydrogen bonding, electrostatic contributions, halogen bonding, π-π-stacking, dispersive forces, cation-π and anion-π interactions, and contributions from the hydrophobic effect. Cooperativity in host-guest complexes as well as in self-assembly, and entropy factors are briefly highlighted. Tables with typical values for single noncovalent free energies and polarity parameters are in the Supporting Information.
Collapse
Affiliation(s)
- Frank Biedermann
- Institute of Nanotechnology, Karlsruhe Institute of Technology (KIT) , Hermann-von-Helmholtz Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Hans-Jörg Schneider
- FR Organische Chemie der Universität des Saarlandes , D-66041 Saarbrücken, Germany
| |
Collapse
|
37
|
Liang J, Li T, Bao X, Ren J, Zhao Y, Wu C. Disulfide-Linked/Peptide-Incorporated Macrocycles: Unique Redox-Responsiveness and Application for Intracellular Cargo-Delivery. ChemistrySelect 2016. [DOI: 10.1002/slct.201600201] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Jingjing Liang
- The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation; State Key Laboratory of Physical Chemistry of Solid Surfaces; College of Chemistry and Chemical Engineering; Xiamen University; Xiamen 361005 P.R. China
| | - Tao Li
- The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation; State Key Laboratory of Physical Chemistry of Solid Surfaces; College of Chemistry and Chemical Engineering; Xiamen University; Xiamen 361005 P.R. China
| | - Xiaojia Bao
- The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation; State Key Laboratory of Physical Chemistry of Solid Surfaces; College of Chemistry and Chemical Engineering; Xiamen University; Xiamen 361005 P.R. China
| | - Jing Ren
- The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation; State Key Laboratory of Physical Chemistry of Solid Surfaces; College of Chemistry and Chemical Engineering; Xiamen University; Xiamen 361005 P.R. China
| | - Yibing Zhao
- The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation; State Key Laboratory of Physical Chemistry of Solid Surfaces; College of Chemistry and Chemical Engineering; Xiamen University; Xiamen 361005 P.R. China
| | - Chuanliu Wu
- The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation; State Key Laboratory of Physical Chemistry of Solid Surfaces; College of Chemistry and Chemical Engineering; Xiamen University; Xiamen 361005 P.R. China
| |
Collapse
|
38
|
Wang Q, Yu C, Zhang C, Long H, Azarnoush S, Jin Y, Zhang W. Dynamic covalent synthesis of aryleneethynylene cages through alkyne metathesis: dimer, tetramer, or interlocked complex? Chem Sci 2016; 7:3370-3376. [PMID: 29997831 PMCID: PMC6007092 DOI: 10.1039/c5sc04977f] [Citation(s) in RCA: 84] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2015] [Accepted: 02/12/2016] [Indexed: 11/21/2022] Open
Abstract
A modular dynamic covalent approach towards rigid aryleneethynylene covalent organic polyhedrons (COPs) and the mechanistic features were explored.
A dynamic covalent approach towards rigid aryleneethynylene covalent organic polyhedrons (COPs) was explored. Our study on the relationship of the COP structures and the geometry of their building blocks reveals that the topology of aryleneethynylene COPs strongly depends on the size of the building blocks. A tetramer (D2h symmetric), dimer, or interlocked complex can be formed from monomers with the same face-to-edge angle but in different sizes. As alkyne metathesis is a self-exchange reaction and non-directional, the cyclooligomerization of multi-alkyne monomers involves both intramolecular cyclization and intermolecular metathesis reaction, resulting in complicated thermodynamic process disturbed by kinetic competition. Although a tetrahedron-shaped tetramer (Td symmetric) has comparable thermodynamic stability to a D2h symmetric tetramer, its formation is kinetically disfavored and was not observed experimentally. Aryleneethynylene COPs consist of purely unsaturated carbon backbones and exhibit large internal cavities, which would have interesting applications in host–guest chemistry and development of porous materials.
Collapse
Affiliation(s)
- Qi Wang
- Department of Chemistry and Biochemistry , University of Colorado , Boulder , Colorado 80309 , USA . ;
| | - Chao Yu
- Department of Chemistry and Biochemistry , University of Colorado , Boulder , Colorado 80309 , USA . ;
| | - Chenxi Zhang
- Department of Chemistry and Biochemistry , University of Colorado , Boulder , Colorado 80309 , USA . ;
| | - Hai Long
- National Renewable Energy Laboratory , Golden , Colorado 80401 , USA
| | - Setareh Azarnoush
- Department of Chemistry and Biochemistry , University of Colorado , Boulder , Colorado 80309 , USA . ;
| | - Yinghua Jin
- Department of Chemistry and Biochemistry , University of Colorado , Boulder , Colorado 80309 , USA . ;
| | - Wei Zhang
- Department of Chemistry and Biochemistry , University of Colorado , Boulder , Colorado 80309 , USA . ;
| |
Collapse
|
39
|
Tong KL, Yee CC, Tse YC, Au-Yeung HY. Discoveries from a phenanthroline-based dynamic combinatorial library: catenane from a copper(i) or copper(ii) template? Inorg Chem Front 2016. [DOI: 10.1039/c5qi00227c] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report here a DCL study of a phenanthroline-based building block focusing on catenane formation with copper templates.
Collapse
Affiliation(s)
- King-Lung Tong
- Department of Chemistry
- The University of Hong Kong
- PR China
| | - Chi-Chung Yee
- Department of Chemistry
- The University of Hong Kong
- PR China
| | | | - Ho Yu Au-Yeung
- Department of Chemistry
- The University of Hong Kong
- PR China
| |
Collapse
|
40
|
Ronson TK, Roberts DA, Black SP, Nitschke JR. Stacking Interactions Drive Selective Self-Assembly and Self-Sorting of Pyrene-Based M(II)4L6 Architectures. J Am Chem Soc 2015; 137:14502-12. [PMID: 26509841 DOI: 10.1021/jacs.5b09920] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Subcomponent self-assembly of two isomeric bis(3-aminophenyl)pyrenes, 2-formylpyridine and the metal ions Fe(II), Co(II), and Zn(II) led to the formation of two previously unidentified structure types: a C2-symmetric M(II)4L6 assembly with meridionally coordinated metal centers, and a C3-symmetric self-included M(II)4L6 assembly with facially coordinated metal centers. In both structures the meta linkages within the ligands facilitate π-stacking between the pyrene panels of the ligands. A C2h-symmetric M(II)2L2 box was also obtained, which was observed to selectively bind electron-deficient aromatic guests between two parallel pyrene subunits. Similar donor-acceptor interactions drove the selective self-assembly of a singular M(II)4L4L'2 architecture incorporating both a pyrene-containing diamine and an electron-deficient NDI-based diamine. This heteroleptic architecture was shown to be thermodynamically favored over the corresponding homoleptic M(II)4L6 and M(II)4L'6 complexes, which were nonetheless stable in each others' absence. By contrast, an isomeric pyrene-based diamine was observed to undergo narcissistic self-sorting in the presence of the NDI-based diamine.
Collapse
Affiliation(s)
- Tanya K Ronson
- Department of Chemistry, University of Cambridge , Lensfield Road, Cambridge, CB2 1EW, U.K
| | - Derrick A Roberts
- Department of Chemistry, University of Cambridge , Lensfield Road, Cambridge, CB2 1EW, U.K
| | - Samuel P Black
- Department of Chemistry, University of Cambridge , Lensfield Road, Cambridge, CB2 1EW, U.K
| | - Jonathan R Nitschke
- Department of Chemistry, University of Cambridge , Lensfield Road, Cambridge, CB2 1EW, U.K
| |
Collapse
|
41
|
Prusty S, Krishnaswamy S, Bandi S, Chandrika B, Luo J, McIndoe JS, Hanan GS, Chand DK. Reversible Mechanical Interlocking of D-Shaped Molecular Karabiners bearing Coordination-Bond Loaded Gates: Route to Self-Assembled [2]Catenanes. Chemistry 2015; 21:15174-87. [DOI: 10.1002/chem.201502394] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2015] [Indexed: 12/17/2022]
|
42
|
Drożdż W, Kołodziejski M, Markiewicz G, Jenczak A, Stefankiewicz AR. Generation of a Multicomponent Library of Disulfide Donor-Acceptor Architectures Using Dynamic Combinatorial Chemistry. Int J Mol Sci 2015; 16:16300-12. [PMID: 26193265 PMCID: PMC4519951 DOI: 10.3390/ijms160716300] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2015] [Revised: 06/16/2015] [Accepted: 06/18/2015] [Indexed: 11/16/2022] Open
Abstract
We describe here the generation of new donor-acceptor disulfide architectures obtained in aqueous solution at physiological pH. The application of a dynamic combinatorial chemistry approach allowed us to generate a large number of new disulfide macrocyclic architectures together with a new type of [2]catenanes consisting of four distinct components. Up to fifteen types of structurally-distinct dynamic architectures have been generated through one-pot disulfide exchange reactions between four thiol-functionalized aqueous components. The distribution of disulfide products formed was found to be strongly dependent on the structural features of the thiol components employed. This work not only constitutes a success in the synthesis of topologically- and morphologically-complex targets, but it may also open new horizons for the use of this methodology in the construction of molecular machines.
Collapse
Affiliation(s)
- Wojciech Drożdż
- Faculty of Chemistry, Adam Mickiewicz University, Umultowska 89b, 61-614 Poznań, Poland.
- Centre for Advanced Technologies, Adam Mickiewicz University, Umultowska 89c, 61-614 Poznań, Poland.
| | - Michał Kołodziejski
- Faculty of Chemistry, Adam Mickiewicz University, Umultowska 89b, 61-614 Poznań, Poland.
- Centre for Advanced Technologies, Adam Mickiewicz University, Umultowska 89c, 61-614 Poznań, Poland.
| | - Grzegorz Markiewicz
- Faculty of Chemistry, Adam Mickiewicz University, Umultowska 89b, 61-614 Poznań, Poland.
- Centre for Advanced Technologies, Adam Mickiewicz University, Umultowska 89c, 61-614 Poznań, Poland.
| | - Anna Jenczak
- Faculty of Chemistry, Adam Mickiewicz University, Umultowska 89b, 61-614 Poznań, Poland.
- Centre for Advanced Technologies, Adam Mickiewicz University, Umultowska 89c, 61-614 Poznań, Poland.
| | - Artur R Stefankiewicz
- Faculty of Chemistry, Adam Mickiewicz University, Umultowska 89b, 61-614 Poznań, Poland.
- Centre for Advanced Technologies, Adam Mickiewicz University, Umultowska 89c, 61-614 Poznań, Poland.
| |
Collapse
|
43
|
Prentice GM, Pascu SI, Filip SV, West KR, Pantoş GD. Aromatic donor-acceptor interactions in non-polar environments. Chem Commun (Camb) 2015; 51:8265-8. [PMID: 25875729 DOI: 10.1039/c5cc00507h] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We have evaluated the strength of aromatic donor-acceptor interactions between dialkyl naphthalenediimide and dialkoxynaphthalene in non-polar environments. (1)H NMR, UV-vis spectroscopy and isothermal titration calorimetry were used to characterise this interaction. We concluded that the strength of donor-acceptor interactions in heptane is sufficient to drive supramolecular assemblies in this and other aliphatic solvents.
Collapse
Affiliation(s)
- Giles M Prentice
- Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, UK.
| | | | | | | | | |
Collapse
|
44
|
Atcher J, Moure A, Bujons J, Alfonso I. Salt-Induced Adaptation of a Dynamic Combinatorial Library of Pseudopeptidic Macrocycles: Unraveling the Electrostatic Effects in Mixed Aqueous Media. Chemistry 2015; 21:6869-78. [DOI: 10.1002/chem.201406155] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2014] [Indexed: 12/20/2022]
Affiliation(s)
- Joan Atcher
- Department of Biological Chemistry and Molecular Modeling, IQAC-CSIC, Jordi Girona 18-26, 08034, Barcelona (Spain)
| | | | | | | |
Collapse
|
45
|
Wilson H, Byrne S, Mullen KM. Dynamic Covalent Synthesis of Donor-Acceptor Interlocked Architectures in Solution and at the Solution:Surface Interface. Chem Asian J 2015; 10:715-21. [DOI: 10.1002/asia.201403288] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2014] [Indexed: 11/06/2022]
|
46
|
Basak S, Nandi N, Baral A, Banerjee A. Tailor-made design of J- or H-aggregated naphthalenediimide-based gels and remarkable fluorescence turn on/off behaviour depending on solvents. Chem Commun (Camb) 2015; 51:780-3. [DOI: 10.1039/c4cc06680d] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Design of a supramolecular chameleon that displays solvent dependent control over H/J-aggregation as well as fluorescence turn on/off behaviour depending on the proper choice of solvents.
Collapse
Affiliation(s)
- Shibaji Basak
- Department of Biological Chemistry
- Indian Association for the Cultivation of Science
- Jadavpur
- India
| | - Nibedita Nandi
- Department of Biological Chemistry
- Indian Association for the Cultivation of Science
- Jadavpur
- India
| | - Abhishek Baral
- Department of Biological Chemistry
- Indian Association for the Cultivation of Science
- Jadavpur
- India
| | - Arindam Banerjee
- Department of Biological Chemistry
- Indian Association for the Cultivation of Science
- Jadavpur
- India
| |
Collapse
|
47
|
Cougnon FBL, Ponnuswamy N, Pantoş GD, Sanders JKM. Molecular motion of donor–acceptor catenanes in water. Org Biomol Chem 2015; 13:2927-30. [DOI: 10.1039/c4ob02457e] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this article, we use 1H NMR spectroscopy to study the spontaneous molecular motion of donor–acceptor [2]catenanes in water.
Collapse
|
48
|
Zhai L, Liang J, Guo X, Zhao Y, Wu C. Extraordinary Modulation of Disulfide Redox-Responsiveness by Cooperativity of Twin-Disulfide Bonds. Chemistry 2014; 20:17507-14. [DOI: 10.1002/chem.201404909] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2014] [Indexed: 11/10/2022]
|
49
|
Black SP, Sanders JKM, Stefankiewicz AR. Disulfide exchange: exposing supramolecular reactivity through dynamic covalent chemistry. Chem Soc Rev 2014; 43:1861-72. [PMID: 24132207 DOI: 10.1039/c3cs60326a] [Citation(s) in RCA: 261] [Impact Index Per Article: 26.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
A Tutorial Review of the subtle supramolecular interactions influencing the outcomes of equilibrating systems, focusing on the dynamic covalent chemistry (DCC) of disulfide exchange reactions, is presented. We discuss the topics of cation-π interactions (2.1), hydrophobic effects (2.2), hydrogen bonding interactions (2.3) aromatic donor-acceptor interactions (2.4), and metal-ligand interactions (2.5) in the context of dynamic disulfide chemistry.
Collapse
Affiliation(s)
- Samuel P Black
- University Chemical Laboratory, University of Cambridge, Lensfield Road, Cambridge, UKCB21EW
| | | | | |
Collapse
|
50
|
Herrmann A. Dynamic combinatorial/covalent chemistry: a tool to read, generate and modulate the bioactivity of compounds and compound mixtures. Chem Soc Rev 2014; 43:1899-933. [PMID: 24296754 DOI: 10.1039/c3cs60336a] [Citation(s) in RCA: 281] [Impact Index Per Article: 28.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Reversible covalent bond formation under thermodynamic control adds reactivity to self-assembled supramolecular systems, and is therefore an ideal tool to assess complexity of chemical and biological systems. Dynamic combinatorial/covalent chemistry (DCC) has been used to read structural information by selectively assembling receptors with the optimum molecular fit around a given template from a mixture of reversibly reacting building blocks. This technique allows access to efficient sensing devices and the generation of new biomolecules, such as small molecule receptor binders for drug discovery, but also larger biomimetic polymers and macromolecules with particular three-dimensional structural architectures. Adding a kinetic factor to a thermodynamically controlled equilibrium results in dynamic resolution and in self-sorting and self-replicating systems, all of which are of major importance in biological systems. Furthermore, the temporary modification of bioactive compounds by reversible combinatorial/covalent derivatisation allows control of their release and facilitates their transport across amphiphilic self-assembled systems such as artificial membranes or cell walls. The goal of this review is to give a conceptual overview of how the impact of DCC on supramolecular assemblies at different levels can allow us to understand, predict and modulate the complexity of biological systems.
Collapse
Affiliation(s)
- Andreas Herrmann
- Firmenich SA, Division Recherche et Développement, Route des Jeunes 1, B. P. 239, CH-1211 Genève 8, Switzerland.
| |
Collapse
|