1
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Phan N, Shear TA, Zakharov LN, Johnson DW. An Efficient Route to Symmetrical and Unsymmetrical Disulfide, Thioether, and Hydrocarbon Cyclophanes. European J Org Chem 2020. [DOI: 10.1002/ejoc.202001242] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Ngoc‐Minh Phan
- Department of Chemistry & Biochemistry and Materials Science Institute University of Oregon 97403‐1253 Eugene Oregon USA
| | - Trevor A. Shear
- Department of Chemistry & Biochemistry and Materials Science Institute University of Oregon 97403‐1253 Eugene Oregon USA
| | - Lev N. Zakharov
- CAMCOR Center for Advanced Materials Characterization in Oregon University of Oregon 97403‐1443 Eugene OR USA
| | - Darren W. Johnson
- Department of Chemistry & Biochemistry and Materials Science Institute University of Oregon 97403‐1253 Eugene Oregon USA
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2
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Alexandre P, Zhang W, Rominger F, Elbert SM, Schröder RR, Mastalerz M. A Robust Porous Quinoline Cage: Transformation of a [4+6] Salicylimine Cage by Povarov Cyclization. Angew Chem Int Ed Engl 2020; 59:19675-19679. [PMID: 32521080 PMCID: PMC7689861 DOI: 10.1002/anie.202007048] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Indexed: 12/18/2022]
Abstract
Porous shape-persistent organic cages have become the object of interest in recent years because they are soluble and thus processable from solution. A variety of cages can be achieved by applying dynamic covalent chemistry (DCC), but they are less chemically stable. Here the transformation of a salicylimine cage into a quinoline cage by a twelve-fold Povarov reaction as the key step is described. Besides the chemical stability of the cage over a broad pH regime, it shows a unique absorption and emission depending on acid concentration. Furthermore, thin films for the vapor detection of acids were investigated, showing color switches from pale-yellow to red, and characteristic emission profiles.
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Affiliation(s)
- Pierre‐Emmanuel Alexandre
- Organisch-Chemisches InstitutRuprecht-Karls-Universität HeidelbergIm Neuenheimer Feld 27069120HeidelbergGermany
| | - Wen‐Shan Zhang
- Centre for Advanced MaterialsRuprecht-Karls-Universität HeidelbergIm Neuenheimer Feld 22569120HeidelbergGermany
| | - Frank Rominger
- Organisch-Chemisches InstitutRuprecht-Karls-Universität HeidelbergIm Neuenheimer Feld 27069120HeidelbergGermany
| | - Sven M. Elbert
- Organisch-Chemisches InstitutRuprecht-Karls-Universität HeidelbergIm Neuenheimer Feld 27069120HeidelbergGermany
- Centre for Advanced MaterialsRuprecht-Karls-Universität HeidelbergIm Neuenheimer Feld 22569120HeidelbergGermany
| | - Rasmus R. Schröder
- Centre for Advanced MaterialsRuprecht-Karls-Universität HeidelbergIm Neuenheimer Feld 22569120HeidelbergGermany
| | - Michael Mastalerz
- Organisch-Chemisches InstitutRuprecht-Karls-Universität HeidelbergIm Neuenheimer Feld 27069120HeidelbergGermany
- Centre for Advanced MaterialsRuprecht-Karls-Universität HeidelbergIm Neuenheimer Feld 22569120HeidelbergGermany
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3
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Alexandre P, Zhang W, Rominger F, Elbert SM, Schröder RR, Mastalerz M. A Robust Porous Quinoline Cage: Transformation of a [4+6] Salicylimine Cage by Povarov Cyclization. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202007048] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Pierre‐Emmanuel Alexandre
- Organisch-Chemisches Institut Ruprecht-Karls-Universität Heidelberg Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Wen‐Shan Zhang
- Centre for Advanced Materials Ruprecht-Karls-Universität Heidelberg Im Neuenheimer Feld 225 69120 Heidelberg Germany
| | - Frank Rominger
- Organisch-Chemisches Institut Ruprecht-Karls-Universität Heidelberg Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Sven M. Elbert
- Organisch-Chemisches Institut Ruprecht-Karls-Universität Heidelberg Im Neuenheimer Feld 270 69120 Heidelberg Germany
- Centre for Advanced Materials Ruprecht-Karls-Universität Heidelberg Im Neuenheimer Feld 225 69120 Heidelberg Germany
| | - Rasmus R. Schröder
- Centre for Advanced Materials Ruprecht-Karls-Universität Heidelberg Im Neuenheimer Feld 225 69120 Heidelberg Germany
| | - Michael Mastalerz
- Organisch-Chemisches Institut Ruprecht-Karls-Universität Heidelberg Im Neuenheimer Feld 270 69120 Heidelberg Germany
- Centre for Advanced Materials Ruprecht-Karls-Universität Heidelberg Im Neuenheimer Feld 225 69120 Heidelberg Germany
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4
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5
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Jiao T, Wu G, Zhang Y, Shen L, Lei Y, Wang C, Fahrenbach AC, Li H. Self‐Assembly in Water with N‐Substituted Imines. Angew Chem Int Ed Engl 2020; 59:18350-18367. [DOI: 10.1002/anie.201910739] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Revised: 12/09/2019] [Indexed: 12/20/2022]
Affiliation(s)
- Tianyu Jiao
- Department of Chemistry Zhejiang University Hangzhou 310027 China
| | - Guangcheng Wu
- Department of Chemistry Zhejiang University Hangzhou 310027 China
| | - Yang Zhang
- Department of Chemistry Zhejiang University Hangzhou 310027 China
| | - Libo Shen
- Department of Chemistry Zhejiang University Hangzhou 310027 China
| | - Ye Lei
- Department of Chemistry Zhejiang University Hangzhou 310027 China
| | - Cai‐Yun Wang
- Department of Chemistry Zhejiang University Hangzhou 310027 China
| | | | - Hao Li
- Department of Chemistry Zhejiang University Hangzhou 310027 China
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6
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Greenaway RL, Santolini V, Szczypiński FT, Bennison MJ, Little MA, Marsh A, Jelfs KE, Cooper AI. Organic Cage Dumbbells. Chemistry 2020; 26:3718-3722. [PMID: 32011048 DOI: 10.1002/chem.201905623] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2019] [Indexed: 01/22/2023]
Abstract
Molecular dumbbells with organic cage capping units were synthesised via a multi-component imine condensation between a tri-topic amine and di- and tetra-topic aldehydes. This is an example of self-sorting, which can be rationalised by computational modelling.
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Affiliation(s)
- Rebecca L Greenaway
- Department of Chemistry and Materials Innovation Factory, University of Liverpool, 51 Oxford Street, Liverpool, L7 3NY, UK
| | - Valentina Santolini
- Department of Chemistry, Imperial College London, Molecular Sciences Research Hub, White City Campus, Wood Lane, London, W12 0BZ, UK
| | - Filip T Szczypiński
- Department of Chemistry, Imperial College London, Molecular Sciences Research Hub, White City Campus, Wood Lane, London, W12 0BZ, UK
| | - Michael J Bennison
- Department of Chemistry and Materials Innovation Factory, University of Liverpool, 51 Oxford Street, Liverpool, L7 3NY, UK
| | - Marc A Little
- Department of Chemistry and Materials Innovation Factory, University of Liverpool, 51 Oxford Street, Liverpool, L7 3NY, UK
| | - Andrew Marsh
- Department of Chemistry and Materials Innovation Factory, University of Liverpool, 51 Oxford Street, Liverpool, L7 3NY, UK
| | - Kim E Jelfs
- Department of Chemistry, Imperial College London, Molecular Sciences Research Hub, White City Campus, Wood Lane, London, W12 0BZ, UK
| | - Andrew I Cooper
- Department of Chemistry and Materials Innovation Factory, University of Liverpool, 51 Oxford Street, Liverpool, L7 3NY, UK
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7
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Hillenbrand J, Leutzsch M, Fürstner A. Molybdenum Alkylidyne Complexes with Tripodal Silanolate Ligands: The Next Generation of Alkyne Metathesis Catalysts. Angew Chem Int Ed Engl 2019; 58:15690-15696. [PMID: 31449713 PMCID: PMC6856820 DOI: 10.1002/anie.201908571] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 08/23/2019] [Indexed: 12/12/2022]
Abstract
A new type of molybdenum alkylidyne catalysts for alkyne metathesis is described, which is distinguished by an unconventional podand topology. These structurally well-defined complexes are easy to make on scale and proved to be tolerant toward numerous functional groups; even certain protic substituents were found to be compatible. The new catalysts were characterized by X-ray crystallography and by spectroscopic means, including 95 Mo NMR.
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Affiliation(s)
| | - Markus Leutzsch
- Max-Planck-Institut für Kohlenforschung45470Mülheim/RuhrGermany
| | - Alois Fürstner
- Max-Planck-Institut für Kohlenforschung45470Mülheim/RuhrGermany
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8
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From Concept to Crystals via Prediction: Multi‐Component Organic Cage Pots by Social Self‐Sorting. Angew Chem Int Ed Engl 2019; 58:16275-16281. [DOI: 10.1002/anie.201909237] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 08/29/2019] [Indexed: 12/11/2022]
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9
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Greenaway RL, Santolini V, Pulido A, Little MA, Alston BM, Briggs ME, Day GM, Cooper AI, Jelfs KE. From Concept to Crystals via Prediction: Multi‐Component Organic Cage Pots by Social Self‐Sorting. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201909237] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Rebecca L. Greenaway
- Department of Chemistry and Materials Innovation FactoryUniversity of Liverpool 51 Oxford Street Liverpool L7 3NY UK
| | - Valentina Santolini
- Department of ChemistryImperial College LondonMolecular Sciences Research Hub White City Campus, Wood Lane London W12 0BZ UK
| | - Angeles Pulido
- School of ChemistryUniversity of Southampton Highfield Southampton SO17 1BJ UK
- Current address: The Cambridge Crystallographic Data Centre 12 Union Road Cambridge CB2 1EZ UK
| | - Marc A. Little
- Department of Chemistry and Materials Innovation FactoryUniversity of Liverpool 51 Oxford Street Liverpool L7 3NY UK
| | - Ben M. Alston
- Department of Chemistry and Materials Innovation FactoryUniversity of Liverpool 51 Oxford Street Liverpool L7 3NY UK
| | - Michael E. Briggs
- Department of Chemistry and Materials Innovation FactoryUniversity of Liverpool 51 Oxford Street Liverpool L7 3NY UK
| | - Graeme M. Day
- School of ChemistryUniversity of Southampton Highfield Southampton SO17 1BJ UK
| | - Andrew I. Cooper
- Department of Chemistry and Materials Innovation FactoryUniversity of Liverpool 51 Oxford Street Liverpool L7 3NY UK
| | - Kim E. Jelfs
- Department of ChemistryImperial College LondonMolecular Sciences Research Hub White City Campus, Wood Lane London W12 0BZ UK
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10
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Hillenbrand J, Leutzsch M, Fürstner A. Molybdenum Alkylidyne Complexes with Tripodal Silanolate Ligands: The Next Generation of Alkyne Metathesis Catalysts. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201908571] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
| | - Markus Leutzsch
- Max-Planck-Institut für Kohlenforschung 45470 Mülheim/Ruhr Germany
| | - Alois Fürstner
- Max-Planck-Institut für Kohlenforschung 45470 Mülheim/Ruhr Germany
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11
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Schick THG, Lauer JC, Rominger F, Mastalerz M. Transformation of Imine Cages into Hydrocarbon Cages. Angew Chem Int Ed Engl 2019; 58:1768-1773. [PMID: 30557460 PMCID: PMC6470955 DOI: 10.1002/anie.201814243] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Indexed: 01/04/2023]
Abstract
In contrast to organic cages which are formed by exploiting dynamic covalent chemistry, such as boronic ester cages, imine cages, or disulfide cages, those with a fully carbonaceous backbone are rarer. With the exception of alkyne metathesis based approaches, the vast majority of hydrocarbon cages need to be synthesized by kinetically controlled bond formation. This strategy implies a multiple step synthesis and no correction mechanism in the final macrocyclization step, both of which are responsible for low overall yields. Whereas for smaller cages the intrinsic drawbacks are not always obvious, larger cages are seldom synthesized in yields beyond a few tenths of a percent. Presented herein is a three‐step method to convert imine cages into hydrocarbon cages. The method has been successfully applied to even larger structures such as derivatives of C72H72 , an unknown cage suggested by Fritz Vögtle more than 20 years ago.
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Affiliation(s)
- Tobias H G Schick
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
| | - Jochen C Lauer
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
| | - Frank Rominger
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
| | - Michael Mastalerz
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
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12
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13
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Ehrhorn H, Tamm M. Well-Defined Alkyne Metathesis Catalysts: Developments and Recent Applications. Chemistry 2018; 25:3190-3208. [PMID: 30346054 DOI: 10.1002/chem.201804511] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Indexed: 12/31/2022]
Abstract
Although alkyne metathesis has been known for 50 years, rapid progress in this field has mostly occurred during the last two decades. In this article, the development of several highly efficient and thoroughly studied alkyne metathesis catalysts is reviewed, which includes novel well-defined, in situ formed and heterogeneous systems. Various alkyne metathesis methodologies, including alkyne cross-metathesis (ACM), ring-closing alkyne metathesis (RCAM), cyclooligomerization, acyclic diyne metathesis polymerization (ADIMET), and ring-opening alkyne metathesis polymerization (ROAMP), are presented, and their application in natural product synthesis, materials science as well as supramolecular and polymer chemistry is discussed. Recent progress in the metathesis of diynes is also summarized, which gave rise to new methods such as ring-closing diyne metathesis (RCDM) and diyne cross-metathesis (DYCM).
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Affiliation(s)
- Henrike Ehrhorn
- Institut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, Hagenring 30, 38106, Braunschweig, Germany
| | - Matthias Tamm
- Institut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, Hagenring 30, 38106, Braunschweig, Germany
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14
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Saha A, Wu CM, Peng R, Koodali R, Banerjee S. Facile Synthesis of 1,3,5-Triarylbenzenes and 4-Aryl-NH
-1,2,3-Triazoles Using Mesoporous Pd-MCM-41 as Reusable Catalyst. European J Org Chem 2018. [DOI: 10.1002/ejoc.201801290] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Arijit Saha
- Department of Chemistry; Guru Ghasidas Vishwavidyalaya; 495009 Koni, Bilaspur C.G. India
| | - Chia-Ming Wu
- Department of Chemistry; University of South Dakota; 414E. Clark Street 57069 Vermillion SD USA
| | - Rui Peng
- Department of Chemistry; University of South Dakota; 414E. Clark Street 57069 Vermillion SD USA
| | - Ranjit Koodali
- Department of Chemistry; University of South Dakota; 414E. Clark Street 57069 Vermillion SD USA
| | - Subhash Banerjee
- Department of Chemistry; Guru Ghasidas Vishwavidyalaya; 495009 Koni, Bilaspur C.G. India
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15
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Ono K, Iwasawa N. Dynamic Behavior of Covalent Organic Cages. Chemistry 2018; 24:17856-17868. [DOI: 10.1002/chem.201802253] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2018] [Indexed: 12/26/2022]
Affiliation(s)
- Kosuke Ono
- Department of ChemistryFaculty of ScienceTokyo University of Science Tokyo 162-8601 Japan
| | - Nobuharu Iwasawa
- Department of ChemistryTokyo Institute of Technology O-okayama Meguro-ku Tokyo 152-8551 Japan
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16
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Kawano SI, Fukushima T, Tanaka K. Specific and Oriented Encapsulation of Fullerene C70
into a Supramolecular Double-Decker Cage Composed of Shape-Persistent Macrocycles. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201809167] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Shin-ichiro Kawano
- Department of Chemistry; Graduate School of Science; Nagoya University; Furo-cho, Chikusa-ku Nagoya 464-8602 Japan
| | - Tomoaki Fukushima
- Department of Chemistry; Graduate School of Science; Nagoya University; Furo-cho, Chikusa-ku Nagoya 464-8602 Japan
| | - Kentaro Tanaka
- Department of Chemistry; Graduate School of Science; Nagoya University; Furo-cho, Chikusa-ku Nagoya 464-8602 Japan
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17
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Kawano SI, Fukushima T, Tanaka K. Specific and Oriented Encapsulation of Fullerene C70
into a Supramolecular Double-Decker Cage Composed of Shape-Persistent Macrocycles. Angew Chem Int Ed Engl 2018; 57:14827-14831. [DOI: 10.1002/anie.201809167] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Indexed: 11/08/2022]
Affiliation(s)
- Shin-ichiro Kawano
- Department of Chemistry; Graduate School of Science; Nagoya University; Furo-cho, Chikusa-ku Nagoya 464-8602 Japan
| | - Tomoaki Fukushima
- Department of Chemistry; Graduate School of Science; Nagoya University; Furo-cho, Chikusa-ku Nagoya 464-8602 Japan
| | - Kentaro Tanaka
- Department of Chemistry; Graduate School of Science; Nagoya University; Furo-cho, Chikusa-ku Nagoya 464-8602 Japan
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18
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Beuerle F, Gole B. Covalent Organic Frameworks and Cage Compounds: Design and Applications of Polymeric and Discrete Organic Scaffolds. Angew Chem Int Ed Engl 2018; 57:4850-4878. [DOI: 10.1002/anie.201710190] [Citation(s) in RCA: 313] [Impact Index Per Article: 52.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Indexed: 01/11/2023]
Affiliation(s)
- Florian Beuerle
- Universität Würzburg; Institut für Organische Chemie; Am Hubland 97074 Würzburg Germany
- Center for Nanosystems Chemistry (CNC) &; Bavarian Polymer Institute (BPI); Theodor-Boveri-Weg 97074 Würzburg Germany
| | - Bappaditya Gole
- Universität Würzburg; Institut für Organische Chemie; Am Hubland 97074 Würzburg Germany
- Center for Nanosystems Chemistry (CNC) &; Bavarian Polymer Institute (BPI); Theodor-Boveri-Weg 97074 Würzburg Germany
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19
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Beuerle F, Gole B. Kovalente organische Netzwerke und Käfigverbindungen: Design und Anwendungen von polymeren und diskreten organischen Gerüsten. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201710190] [Citation(s) in RCA: 92] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Florian Beuerle
- Universität Würzburg; Institut für Organische Chemie; Am Hubland 97074 Würzburg Deutschland
- Zentrum für Nanosystemchemie (CNC) &; Bayerisches Polymerinstitut (BPI); Theodor-Boveri-Weg 97074 Würzburg Deutschland
| | - Bappaditya Gole
- Universität Würzburg; Institut für Organische Chemie; Am Hubland 97074 Würzburg Deutschland
- Zentrum für Nanosystemchemie (CNC) &; Bayerisches Polymerinstitut (BPI); Theodor-Boveri-Weg 97074 Würzburg Deutschland
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20
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Gu X, Gopalakrishna TY, Phan H, Ni Y, Herng TS, Ding J, Wu J. A Three-Dimensionally π-Conjugated Diradical Molecular Cage. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201709537] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Xiao Gu
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 117543 Singapore Singapore
| | | | - Hoa Phan
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 117543 Singapore Singapore
| | - Yong Ni
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 117543 Singapore Singapore
| | - Tun Seng Herng
- Department of Materials Science and Engineering; National University of Singapore; 119260 Singapore Singapore
| | - Jun Ding
- Department of Materials Science and Engineering; National University of Singapore; 119260 Singapore Singapore
| | - Jishan Wu
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 117543 Singapore Singapore
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21
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Gu X, Gopalakrishna TY, Phan H, Ni Y, Herng TS, Ding J, Wu J. A Three-Dimensionally π-Conjugated Diradical Molecular Cage. Angew Chem Int Ed Engl 2017; 56:15383-15387. [PMID: 28994498 DOI: 10.1002/anie.201709537] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Indexed: 01/17/2023]
Abstract
π-Conjugated molecular cages are very challenging targets in structural organic chemistry, supramolecular chemistry, and materials science. The synthesis and physical characterizations are reported of the first three-dimensionally π-conjugated diradical molecular cage PTM-C, in which two polychlorotriphenylmethyl (PTM) radicals are linked by three bis(3,6-carbazolyl) bridges. This cage compound was synthesized mainly by intermolecular Yamamoto coupling followed by deprotonation and oxidation. It is stable and its structure was confirmed by X-ray crystallographic analysis. The two carbon-centered PTM radicals are weakly coupled through electronic interactions with the carbazole spacers, as revealed by optical, electronic, and magnetic measurements as well as theoretical calculations.
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Affiliation(s)
- Xiao Gu
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Singapore, Singapore
| | - Tullimilli Y Gopalakrishna
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Singapore, Singapore
| | - Hoa Phan
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Singapore, Singapore
| | - Yong Ni
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Singapore, Singapore
| | - Tun Seng Herng
- Department of Materials Science and Engineering, National University of Singapore, 119260, Singapore, Singapore
| | - Jun Ding
- Department of Materials Science and Engineering, National University of Singapore, 119260, Singapore, Singapore
| | - Jishan Wu
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Singapore, Singapore
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22
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Wagh GD, Akamanchi KG. Sulfated tungstate catalyzed synthesis of C 3 -symmetric 1,3,5-triaryl benzenes under solvent-free condition. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.06.055] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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23
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Zhang L, Xiang L, Hang C, Liu W, Huang W, Pan Y. From Discrete Molecular Cages to a Network of Cages Exhibiting Enhanced CO2Adsorption Capacity. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201702399] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Lei Zhang
- State Key Laboratory of Coordination Chemistry; School of Chemistry and Chemical Engineering; Nanjing University; Nanjing 210023 P.R. China
| | - Long Xiang
- State Key Laboratory of Materials-Oriented Chemical Engineering; College of Chemical Engineering; Nanjing Tech University; Nanjing 210009 P.R. China
| | - Cheng Hang
- State Key Laboratory of Coordination Chemistry; School of Chemistry and Chemical Engineering; Nanjing University; Nanjing 210023 P.R. China
| | - Wenlong Liu
- College of Chemistry and Chemical Engineering; Yangzhou University; Yangzhou 225002 P.R. China
| | - Wei Huang
- State Key Laboratory of Coordination Chemistry; School of Chemistry and Chemical Engineering; Nanjing University; Nanjing 210023 P.R. China
| | - Yichang Pan
- State Key Laboratory of Materials-Oriented Chemical Engineering; College of Chemical Engineering; Nanjing Tech University; Nanjing 210009 P.R. China
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24
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From Discrete Molecular Cages to a Network of Cages Exhibiting Enhanced CO2Adsorption Capacity. Angew Chem Int Ed Engl 2017; 56:7787-7791. [DOI: 10.1002/anie.201702399] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Indexed: 11/07/2022]
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25
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Bera S, Basu A, Tothadi S, Garai B, Banerjee S, Vanka K, Banerjee R. Odd-Even Alternation in Tautomeric Porous Organic Cages with Exceptional Chemical Stability. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201611260] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Saibal Bera
- Academy of Scientific and Innovative Research (AcSIR)Physical/Materials Chemistry Division; CSIR-National Chemical Laboratory; Dr.HomiBhabha Road Pune- 411008 India
| | - Arghya Basu
- Academy of Scientific and Innovative Research (AcSIR)Physical/Materials Chemistry Division; CSIR-National Chemical Laboratory; Dr.HomiBhabha Road Pune- 411008 India
| | - Srinu Tothadi
- Academy of Scientific and Innovative Research (AcSIR)Physical/Materials Chemistry Division; CSIR-National Chemical Laboratory; Dr.HomiBhabha Road Pune- 411008 India
| | - Bikash Garai
- Academy of Scientific and Innovative Research (AcSIR)Physical/Materials Chemistry Division; CSIR-National Chemical Laboratory; Dr.HomiBhabha Road Pune- 411008 India
| | - Subhrashis Banerjee
- Academy of Scientific and Innovative Research (AcSIR)Physical/Materials Chemistry Division; CSIR-National Chemical Laboratory; Dr.HomiBhabha Road Pune- 411008 India
| | - Kumar Vanka
- Academy of Scientific and Innovative Research (AcSIR)Physical/Materials Chemistry Division; CSIR-National Chemical Laboratory; Dr.HomiBhabha Road Pune- 411008 India
| | - Rahul Banerjee
- Academy of Scientific and Innovative Research (AcSIR)Physical/Materials Chemistry Division; CSIR-National Chemical Laboratory; Dr.HomiBhabha Road Pune- 411008 India
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26
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Bera S, Basu A, Tothadi S, Garai B, Banerjee S, Vanka K, Banerjee R. Odd-Even Alternation in Tautomeric Porous Organic Cages with Exceptional Chemical Stability. Angew Chem Int Ed Engl 2017; 56:2123-2126. [DOI: 10.1002/anie.201611260] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2016] [Revised: 12/15/2016] [Indexed: 11/06/2022]
Affiliation(s)
- Saibal Bera
- Academy of Scientific and Innovative Research (AcSIR)Physical/Materials Chemistry Division; CSIR-National Chemical Laboratory; Dr.HomiBhabha Road Pune- 411008 India
| | - Arghya Basu
- Academy of Scientific and Innovative Research (AcSIR)Physical/Materials Chemistry Division; CSIR-National Chemical Laboratory; Dr.HomiBhabha Road Pune- 411008 India
| | - Srinu Tothadi
- Academy of Scientific and Innovative Research (AcSIR)Physical/Materials Chemistry Division; CSIR-National Chemical Laboratory; Dr.HomiBhabha Road Pune- 411008 India
| | - Bikash Garai
- Academy of Scientific and Innovative Research (AcSIR)Physical/Materials Chemistry Division; CSIR-National Chemical Laboratory; Dr.HomiBhabha Road Pune- 411008 India
| | - Subhrashis Banerjee
- Academy of Scientific and Innovative Research (AcSIR)Physical/Materials Chemistry Division; CSIR-National Chemical Laboratory; Dr.HomiBhabha Road Pune- 411008 India
| | - Kumar Vanka
- Academy of Scientific and Innovative Research (AcSIR)Physical/Materials Chemistry Division; CSIR-National Chemical Laboratory; Dr.HomiBhabha Road Pune- 411008 India
| | - Rahul Banerjee
- Academy of Scientific and Innovative Research (AcSIR)Physical/Materials Chemistry Division; CSIR-National Chemical Laboratory; Dr.HomiBhabha Road Pune- 411008 India
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27
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Zhang CL, Gao ZH, Liang ZQ, Ye S. N-Heterocyclic Carbene-Catalyzed Synthesis of Multi-Substituted Benzenes from Enals and α-Cyano-β-methylenones. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201600531] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Chun-Lin Zhang
- Beijing National Laboratory for Molecular Sciences; CAS Key Laboratory of Molecular Recognition and Function; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 People's Republic of China
| | - Zhong-Hua Gao
- Beijing National Laboratory for Molecular Sciences; CAS Key Laboratory of Molecular Recognition and Function; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 People's Republic of China
| | - Zhi-Qin Liang
- Beijing National Laboratory for Molecular Sciences; CAS Key Laboratory of Molecular Recognition and Function; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 People's Republic of China
| | - Song Ye
- Beijing National Laboratory for Molecular Sciences; CAS Key Laboratory of Molecular Recognition and Function; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 People's Republic of China
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28
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Schaubach S, Gebauer K, Ungeheuer F, Hoffmeister L, Ilg MK, Wirtz C, Fürstner A. A Two-Component Alkyne Metathesis Catalyst System with an Improved Substrate Scope and Functional Group Tolerance: Development and Applications to Natural Product Synthesis. Chemistry 2016; 22:8494-507. [DOI: 10.1002/chem.201601163] [Citation(s) in RCA: 76] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2016] [Indexed: 01/02/2023]
Affiliation(s)
| | - Konrad Gebauer
- Max-Planck-Institut für Kohlenforschung; 45470 Mülheim/Ruhr Germany
| | - Felix Ungeheuer
- Max-Planck-Institut für Kohlenforschung; 45470 Mülheim/Ruhr Germany
| | | | - Marina K. Ilg
- Max-Planck-Institut für Kohlenforschung; 45470 Mülheim/Ruhr Germany
| | - Conny Wirtz
- Max-Planck-Institut für Kohlenforschung; 45470 Mülheim/Ruhr Germany
| | - Alois Fürstner
- Max-Planck-Institut für Kohlenforschung; 45470 Mülheim/Ruhr Germany
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29
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Du Y, Yang H, Zhu C, Ortiz M, Okochi KD, Shoemaker R, Jin Y, Zhang W. Highly Active Multidentate Ligand‐Based Alkyne Metathesis Catalysts. Chemistry 2016; 22:7959-63. [DOI: 10.1002/chem.201505174] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2015] [Indexed: 01/03/2023]
Affiliation(s)
- Ya Du
- Department of Chemistry and Biochemistry University of Colorado Boulder CO 80309 USA
| | - Haishen Yang
- Department of Chemistry and Biochemistry University of Colorado Boulder CO 80309 USA
| | - Chengpu Zhu
- Department of Chemistry and Biochemistry University of Colorado Boulder CO 80309 USA
| | - Michael Ortiz
- Department of Chemistry and Biochemistry University of Colorado Boulder CO 80309 USA
| | - Kenji D. Okochi
- Department of Chemistry and Biochemistry University of Colorado Boulder CO 80309 USA
| | - Richard Shoemaker
- Department of Chemistry and Biochemistry University of Colorado Boulder CO 80309 USA
| | - Yinghua Jin
- Department of Chemistry and Biochemistry University of Colorado Boulder CO 80309 USA
| | - Wei Zhang
- Department of Chemistry and Biochemistry University of Colorado Boulder CO 80309 USA
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30
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Ji Q, Le HTM, Wang X, Chen YS, Makarenko T, Jacobson AJ, Miljanić OŠ. Cyclotetrabenzoin: Facile Synthesis of a Shape-Persistent Molecular Square and Its Assembly into Hydrogen-Bonded Nanotubes. Chemistry 2015; 21:17205-9. [DOI: 10.1002/chem.201503851] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2015] [Indexed: 01/07/2023]
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31
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Zhang C, Wang Z, Tan L, Zhai TL, Wang S, Tan B, Zheng YS, Yang XL, Xu HB. A Porous Tricyclooxacalixarene Cage Based on Tetraphenylethylene. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201502912] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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32
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Zhang C, Wang Z, Tan L, Zhai TL, Wang S, Tan B, Zheng YS, Yang XL, Xu HB. A Porous Tricyclooxacalixarene Cage Based on Tetraphenylethylene. Angew Chem Int Ed Engl 2015; 54:9244-8. [DOI: 10.1002/anie.201502912] [Citation(s) in RCA: 110] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2015] [Revised: 05/11/2015] [Indexed: 11/12/2022]
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33
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Ralston KJ, Ramstadius HC, Brewster RC, Niblock HS, Hulme AN. Self-Assembly of Disorazole C1 through a One-Pot Alkyne Metathesis Homodimerization Strategy. Angew Chem Int Ed Engl 2015; 54:7086-90. [PMID: 25926364 PMCID: PMC4517162 DOI: 10.1002/anie.201501922] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2015] [Revised: 03/31/2015] [Indexed: 12/23/2022]
Abstract
Alkyne metathesis is increasingly explored as a reliable method to close macrocyclic rings, but there are no prior examples of an alkyne-metathesis-based homodimerization approach to natural products. In this approach to the cytotoxic C2-symmetric marine-derived bis(lactone) disorazole C1, a highly convergent, modular strategy is employed featuring cyclization through an ambitious one-pot alkyne cross-metathesis/ring-closing metathesis self-assembly process.
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Affiliation(s)
- Kevin J Ralston
- EaStCHEM School of Chemistry, University of Edinburgh, David Brewster Road, Edinburgh, EH9 3FJ (UK)
| | - H Clinton Ramstadius
- EaStCHEM School of Chemistry, University of Edinburgh, David Brewster Road, Edinburgh, EH9 3FJ (UK)
| | - Richard C Brewster
- EaStCHEM School of Chemistry, University of Edinburgh, David Brewster Road, Edinburgh, EH9 3FJ (UK)
| | - Helen S Niblock
- EaStCHEM School of Chemistry, University of Edinburgh, David Brewster Road, Edinburgh, EH9 3FJ (UK)
| | - Alison N Hulme
- EaStCHEM School of Chemistry, University of Edinburgh, David Brewster Road, Edinburgh, EH9 3FJ (UK).
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34
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Schaufelberger F, Hu L, Ramström O. trans-Symmetric Dynamic Covalent Systems: Connected Transamination and Transimination Reactions. Chemistry 2015; 21:9776-83. [PMID: 26044061 PMCID: PMC4517097 DOI: 10.1002/chem.201500520] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2015] [Indexed: 11/08/2022]
Abstract
The development of chemical transaminations as a new type of dynamic covalent reaction is described. The key 1,3-proton shift is under complete catalytic control and can be conducted orthogonally to, or simultaneous with, transimination in the presence of an amine to rapidly yield two-dimensional dynamic systems with a high degree of complexity evolution. The transamination-transimination systems are proven to be fully reversible, stable over several days, compatible with a range of functional groups, and highly tunable. Kinetic studies show transamination to be the rate-limiting reaction in the network. Furthermore, it was discovered that readily available quinuclidine is a highly potent catalyst for aldimine transaminations. This study demonstrates how connected dynamic reactions give rise to significantly larger systems than the unconnected counterparts, and shows how reversible isomerizations can be utilized as an effective diversity-generating element.
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Affiliation(s)
- Fredrik Schaufelberger
- Department of Chemistry, KTH - Royal Institute of Technology, Teknikringen 30, 10044 Stockholm (Sweden)
| | - Lei Hu
- Department of Chemistry, KTH - Royal Institute of Technology, Teknikringen 30, 10044 Stockholm (Sweden)
| | - Olof Ramström
- Department of Chemistry, KTH - Royal Institute of Technology, Teknikringen 30, 10044 Stockholm (Sweden).
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35
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Wang Q, Yu C, Long H, Du Y, Jin Y, Zhang W. Solution‐Phase Dynamic Assembly of Permanently Interlocked Aryleneethynylene Cages through Alkyne Metathesis. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201501679] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Qi Wang
- Department of Chemistry and Biochemistry, University of Colorado, Boulder, CO 80309 (USA)
| | - Chao Yu
- Department of Chemistry and Biochemistry, University of Colorado, Boulder, CO 80309 (USA)
| | - Hai Long
- National Renewable Energy Laboratory, Golden, CO 80401 (USA)
| | - Ya Du
- Department of Chemistry and Biochemistry, University of Colorado, Boulder, CO 80309 (USA)
| | - Yinghua Jin
- Department of Chemistry and Biochemistry, University of Colorado, Boulder, CO 80309 (USA)
| | - Wei Zhang
- Department of Chemistry and Biochemistry, University of Colorado, Boulder, CO 80309 (USA)
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36
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Wang Q, Yu C, Long H, Du Y, Jin Y, Zhang W. Solution-phase dynamic assembly of permanently interlocked aryleneethynylene cages through alkyne metathesis. Angew Chem Int Ed Engl 2015; 54:7550-4. [PMID: 25959769 DOI: 10.1002/anie.201501679] [Citation(s) in RCA: 99] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2015] [Revised: 04/17/2015] [Indexed: 11/11/2022]
Abstract
Highly stable permanently interlocked aryleneethynylene molecular cages were synthesized from simple triyne monomers using dynamic alkyne metathesis. The interlocked complexes are predominantly formed in the reaction solution in the absence of any recognition motif and were isolated in a pure form using column chromatography. This study is the first example of the thermodynamically controlled solution-phase synthesis of interlocked organic cages with high stability.
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Affiliation(s)
- Qi Wang
- Department of Chemistry and Biochemistry, University of Colorado, Boulder, CO 80309 (USA)
| | - Chao Yu
- Department of Chemistry and Biochemistry, University of Colorado, Boulder, CO 80309 (USA)
| | - Hai Long
- National Renewable Energy Laboratory, Golden, CO 80401 (USA)
| | - Ya Du
- Department of Chemistry and Biochemistry, University of Colorado, Boulder, CO 80309 (USA)
| | - Yinghua Jin
- Department of Chemistry and Biochemistry, University of Colorado, Boulder, CO 80309 (USA)
| | - Wei Zhang
- Department of Chemistry and Biochemistry, University of Colorado, Boulder, CO 80309 (USA).
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37
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Ralston KJ, Ramstadius HC, Brewster RC, Niblock HS, Hulme AN. Self-Assembly of Disorazole C 1 through a One-Pot Alkyne Metathesis Homodimerization Strategy. ACTA ACUST UNITED AC 2015; 127:7192-7196. [PMID: 27346897 PMCID: PMC4902119 DOI: 10.1002/ange.201501922] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2015] [Revised: 03/31/2015] [Indexed: 12/27/2022]
Abstract
Alkyne metathesis is increasingly explored as a reliable method to close macrocyclic rings, but there are no prior examples of an alkyne-metathesis-based homodimerization approach to natural products. In this approach to the cytotoxic C2 -symmetric marine-derived bis(lactone) disorazole C1, a highly convergent, modular strategy is employed featuring cyclization through an ambitious one-pot alkyne cross-metathesis/ring-closing metathesis self-assembly process.
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Affiliation(s)
- Kevin J. Ralston
- EaStCHEM School of Chemistry, University of Edinburgh, David Brewster Road, Edinburgh, EH9 3FJ (UK)
| | - H. Clinton Ramstadius
- EaStCHEM School of Chemistry, University of Edinburgh, David Brewster Road, Edinburgh, EH9 3FJ (UK)
| | - Richard C. Brewster
- EaStCHEM School of Chemistry, University of Edinburgh, David Brewster Road, Edinburgh, EH9 3FJ (UK)
| | - Helen S. Niblock
- EaStCHEM School of Chemistry, University of Edinburgh, David Brewster Road, Edinburgh, EH9 3FJ (UK)
| | - Alison N. Hulme
- EaStCHEM School of Chemistry, University of Edinburgh, David Brewster Road, Edinburgh, EH9 3FJ (UK)
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38
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Ding H, Yang Y, Li B, Pan F, Zhu G, Zeller M, Yuan D, Wang C. Targeted synthesis of a large triazine-based [4+6] organic molecular cage: structure, porosity and gas separation. Chem Commun (Camb) 2015; 51:1976-9. [DOI: 10.1039/c4cc08883b] [Citation(s) in RCA: 76] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel electron-deficient triazine-based [4+6] organic molecular cage has been synthesized via imine condensation reaction.
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Affiliation(s)
- Huimin Ding
- Key Laboratory of Biomedical Polymers (Ministry of Education)
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
- China
| | - Yihui Yang
- Key Laboratory of Biomedical Polymers (Ministry of Education)
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
- China
| | - Bijian Li
- Key Laboratory of Biomedical Polymers (Ministry of Education)
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
- China
| | - Feng Pan
- Key Laboratory of Biomedical Polymers (Ministry of Education)
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
- China
| | - Guozhu Zhu
- Key Laboratory of Biomedical Polymers (Ministry of Education)
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
- China
| | - Matthias Zeller
- Department of Chemistry
- Youngstown State University
- One University Plaza
- Youngstown
- USA
| | - Daqiang Yuan
- State Key Laboratory of Structural Chemistry
- Fujian Institute of Research on the Structure of Matter
- Chinese Academy of Sciences
- Fuzhou 350002
- China
| | - Cheng Wang
- Key Laboratory of Biomedical Polymers (Ministry of Education)
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan 430072
- China
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