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Guo W, Jiang J, Wang J. [2.2]Benzoindenophane-Based Chiral Indenyl Ligands: Design, Synthesis, and Applications in Asymmetric C-H Activation. Angew Chem Int Ed Engl 2024; 63:e202400279. [PMID: 38781117 DOI: 10.1002/anie.202400279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 04/09/2024] [Accepted: 05/22/2024] [Indexed: 05/25/2024]
Abstract
Development of chiral indenyl ligands for asymmetric C-H activation is a longstanding challenge, and extremely few successes have been achieved. In this paper, we describe a class of readily accessible, facilely tunable and user-friendly chiral indenyl ligands featuring a [2.2]benzoindenophane skeleton via a divergent synthesis strategy. The corresponding chiral indenyl rhodium catalysts were successfully applied in the asymmetric C-H activation reaction of O-Boc hydroxybenzamide with alkenes to give various chiral dihydroisoquinolone products (up to 97 % yield, up to 98 % ee). Moreover, the asymmetric C-H activation reaction of carboxylic acids with alkynes was also successfully accomplished, providing a range of axially chiral isocoumarins (up to 99 % yield, up to 94 % ee). Notably, this represents the first example of enantioselective transition metal catalyzed C(sp2)-H activation/oxidative coupling of benzoic acids with internal alkynes to construct isocoumarins. Given many attractive features of this class of indenyl ligands, such as convenient synthesis, high tunability and exclusive face-selectivity of coordination, its applications in more catalytic asymmetric C-H activation and in other asymmetric catalysis are foreseen.
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Affiliation(s)
- Weicong Guo
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, and Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, Sun Yat-Sen University, Guangzhou, 510006, P. R. China
| | - Jijun Jiang
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, and Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, Sun Yat-Sen University, Guangzhou, 510006, P. R. China
| | - Jun Wang
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, and Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, Sun Yat-Sen University, Guangzhou, 510006, P. R. China
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Weinzierl D, Waser M. Synthesis of [2.2]Paracyclophane‐Based Glycidic Amides Using Chiral Ammonium Ylides. Helv Chim Acta 2021. [DOI: 10.1002/hlca.202100073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- David Weinzierl
- Institute of Organic Chemistry Johannes Kepler University Linz Altenbergerstr. 69 AT-4040 Linz Austria
| | - Mario Waser
- Institute of Organic Chemistry Johannes Kepler University Linz Altenbergerstr. 69 AT-4040 Linz Austria
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Hopf H, Narayanan SV, Jones PG. Five-membered ring annelation in [2.2]paracyclophanes by aldol condensation. Beilstein J Org Chem 2014; 10:2021-6. [PMID: 25246961 PMCID: PMC4168897 DOI: 10.3762/bjoc.10.210] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2014] [Accepted: 08/15/2014] [Indexed: 11/23/2022] Open
Abstract
Under basic conditions 4,5,12,13-tetraacetyl[2.2]paracyclophane (9) cyclizes by a double aldol condensation to provide the two aldols 12 and 15 in a 3:7 ratio. The structures of these compounds were obtained from X-ray structural analysis, spectroscopic data, and mechanistic considerations. On acid treatment 12 is dehydrated to a mixture of the condensed five-membered [2.2]paracyclophane derivatives 18–20, whereas 15 yields a mixture of the isomeric cyclopentadienones 21–23. The structures of these elimination products are also deduced from X-ray and spectroscopic data. The sequence presented here constitutes the simplest route so far to cyclophanes carrying an annelated five-membered ring.
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Affiliation(s)
- Henning Hopf
- Institut für Organische Chemie, Technische Universität Braunschweig, Hagenring 30, D-38106 Braunschweig, Germany
| | - Swaminathan Vijay Narayanan
- Institut für Organische Chemie, Technische Universität Braunschweig, Hagenring 30, D-38106 Braunschweig, Germany
| | - Peter G Jones
- Institut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, Postfach 3329, D-38106 Braunschweig, Germany
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Dix I, Hopf H, Satyanarayana TBN, Ernst L. Preparation and NMR spectra of four isomeric diformyl[2.2]paracyclophanes (cyclophanes 66). Beilstein J Org Chem 2010; 6:932-7. [PMID: 21085510 PMCID: PMC2981830 DOI: 10.3762/bjoc.6.104] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2010] [Accepted: 09/10/2010] [Indexed: 11/23/2022] Open
Abstract
Four isomeric dialdehydes 4, readily available from cycloaddition of propiolic aldehyde (2) to 1,2,4,5-hexatetraene (1), were separated by chromatography and recrystallization, and were characterized by their spectroscopic data. The individual isomers can now be easily identified from their ¹H NMR spectra even if only one of them is present.
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Affiliation(s)
- Ina Dix
- Institut für Organische Chemie, Technische Universität Braunschweig, Hagenring 30, D-38106 Braunschweig, Germany
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Friedmann CJ, Ay S, Bräse S. Improved Synthesis of Enantiopure 4-Hydroxy[2.2]paracyclophane. J Org Chem 2010; 75:4612-4. [DOI: 10.1021/jo100468s] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Christian J. Friedmann
- Institute of Organic Chemistry, Karlsruhe Institute of Technology, Fritz-Haber-Weg 6, D-76131 Karlsruhe, Germany
| | - Sefer Ay
- Institute of Organic Chemistry, Karlsruhe Institute of Technology, Fritz-Haber-Weg 6, D-76131 Karlsruhe, Germany
| | - Stefan Bräse
- Institute of Organic Chemistry, Karlsruhe Institute of Technology, Fritz-Haber-Weg 6, D-76131 Karlsruhe, Germany
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Ramm SM, Hopf H, Jones PG, Bubenitschek P, Ahrens B, Ernst L. Annulation of Seven-Membered Rings to [2.2]Paracyclophane. European J Org Chem 2008. [DOI: 10.1002/ejoc.200800171] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Aly AA, Ehrhardt S, Hopf H, Dix I, Jones PG. Cycloadditions to Alkenyl[2.2]paracyclophanes. European J Org Chem 2006. [DOI: 10.1002/ejoc.200500396] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Sergeeva EV, Rozenberg VI, Antonov DY, Vorontsov EV, Starikova ZA, Fedyanin IV, Hopf H. Novel multichiral diols and diamines by highly stereoselective pinacol coupling of planar chiral [2.2]paracyclophane derivatives. Chemistry 2005; 11:6944-61. [PMID: 16138381 DOI: 10.1002/chem.200500413] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The TiCl4/Zn-mediated intermolecular pinacol coupling of the planar chiral carbonyl compounds [2.2]paracyclophane-4-carbaldehyde, 4-acetyl[2.2]paracyclophane (ketone) and the four regioisomeric 5-, 7-, 12- and 13-methoxy[2.2]paracyclophane-4-carbaldehydes as well as the pTosOH-Zn/Cu-promoted coupling of their N-substituted imines is described. Coupling of the enantiomerically pure substrates (most of carbonyl compounds and all imines) occurs stereoselectively giving rise to diastereomerically pure 1,2-diols and 1,2-diamines. Racemic aldehydes and ketone react with different degrees of stereoselectivity (depending on the substituents in certain positions) and produce one to three diastereomers. 7-methoxy[2.2]paracyclophane-4-carbaldehyde undergoes a tandem pinacol coupling-pinacol rearrangement to yield bis-(7-methoxy[2.2]paracyclophane-4-yl)acetaldehyde. Coupling of the racemic imines produces a mixture of single racemic D,L-diamine and single meso-diamine in each case. The stereoselective formation of the asymmetric centres is governed by the planar chiral [2.2]paracyclophanyl moiety. The techniques elaborated are extended to the intramolecular coupling of [2.2]paracyclophane-4,13-dicarbaldehyde and its bis-N-phenylimine, resulting in stereoselective formation of the chiral triply-bridged diol and exclusive formation of the meso-diamine. X-Ray investigations of several diols and diamines have been carried out and the structural features of these derivatives are discussed.
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Affiliation(s)
- Elena V Sergeeva
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Science, Vavilova 28, 119991 Moscow, Russia
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Aly AA. Triple self-condensation of fused cycloalkanonylparacyclophanes promoted by titanium tetrachloride and triethylamine. Tetrahedron Lett 2005. [DOI: 10.1016/j.tetlet.2004.11.100] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Taticchi A, Minuti L, Lanari D, Marrocchi A, Tesei I, Gacs-Baitz E. Synthesis of helical [2.2]paracyclophanes containing carbocyclic and heterocyclic five-membered rings. Tetrahedron 2004. [DOI: 10.1016/j.tet.2004.09.114] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Photochemical synthesis of [2.2](3,8)-pyridazinophane and quinolinophane-2(1H)-one as well as synthesis of [2](5,8)-quinolinophanes and fused spiro-pyranoindanoparacyclophanes. Tetrahedron 2003. [DOI: 10.1016/s0040-4020(03)00112-1] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Lanari D, Marrocchi A, Minuti L, Rosini C, Superchi S, Taticchi A. Synthesis and absolute configuration of a new chiral [2.2]paracyclophane-based diene. ACTA ACUST UNITED AC 2002. [DOI: 10.1016/s0957-4166(02)00330-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Aly A, Hopf H, Ernst L. Novel Synthesis of Phenanthrenoparacyclophanes and Phenanthrenophanes and a Study of Their NMR Properties. European J Org Chem 2000. [DOI: 10.1002/1099-0690(200009)2000:17<3021::aid-ejoc3021>3.0.co;2-9] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Bodwell GJ, Frim R, Hopf H, Rabinovitz M. Cyclophanes, XXXVIII. [2]Metacyclo[2]indenophanes: Synthesis, Anions and Iron Complexes. ACTA ACUST UNITED AC 1993. [DOI: 10.1002/cber.19931260125] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Bruni P, Conti C, Giorgini E, Tosi G, Hopf H, Hillmer J. Molecular associations of [2.2]paracyclophanearylhydrazones with organic acceptors, VIII. MONATSHEFTE FUR CHEMIE 1992. [DOI: 10.1007/bf01045299] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Hopf H, Gruhn W, Barrett DG, Gerdes A, Hibner J, Hucker J, Okamoto Y, Kaida Y. Optical Resolution of [2,2]Paracyclophanes by High-Performance Liquid Chromatography on Tris(3,5-dimethylphenylcarbamates) of Celllulos and Amylose. ACTA ACUST UNITED AC 1990. [DOI: 10.1002/cber.19901230432] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Czuchajowski L, Goszczynski S, Wisor AK, Bennett JE, Malinski T. meso-tetrakis[2.2]paracyclophanylporphyrin: Electronic structure and electrochemical behavior. J Heterocycl Chem 1989. [DOI: 10.1002/jhet.5570260543] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Schenk R, Hucker J, Hopf H, Räder HJ, Müllen K. Bis-stilben-Systeme: Reduktion zu Tetraanionen. Angew Chem Int Ed Engl 1989. [DOI: 10.1002/ange.19891010720] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Frim R, Rabinovitz M, Bodwell G, Raulfs FW, Hopf H. Cyclophanes, XXVII. [2.2]Indenophane Mono- and Dianions: Preparation and Nuclear Magnetic Resonance Spectra. ACTA ACUST UNITED AC 1989. [DOI: 10.1002/cber.19891220422] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Czuchajowski L, Goszczynski S, Wheeler DE, Wisor AK, Malinski T. Meso-[2.2]paracyclophanyltriphenylporphyrin: A simple representative of cyclophanylporphyrins. J Heterocycl Chem 1988. [DOI: 10.1002/jhet.5570250643] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Czuchajowski L, Goszczynski S, Wisor AK. The study of atropoisomers ofmeso-tetrakis[2.2]paracyclophanylporphyrin. J Heterocycl Chem 1988. [DOI: 10.1002/jhet.5570250514] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Frim R, Raulfs FW, Hopf H, Rabinovitz M. [2.2]Indenophane Dianion: A Novel Double-Layered Dianion. ACTA ACUST UNITED AC 1986. [DOI: 10.1002/anie.198601741] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Frim R, Rabinovitz M, Raulfs FW, Hopf H. [2.2]Indenophan-Dianion, ein neues zweilagiges Dianion. Angew Chem Int Ed Engl 1986. [DOI: 10.1002/ange.19860980204] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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