1
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Abstract
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A new approach to
polysubstituted spiropentanes is developed
through
a regio- and diastereoselective carbometalation of sp2-disubstituted
cyclopropenes. The control of selectivity originates from a combined syn-facial diastereoselective carbometalation with a regio-directed
addition. The regio-controlling element subsequently serves as a leaving
group in an intramolecular nucleophilic substitution. This method
allows the preparation of various polysubstituted spiropentanes with
up to five contiguous stereocenters.
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Affiliation(s)
- Yair Cohen
- Schulich Faculty of Chemistry, Technion - Israel Institute of Technology, Technion City, Haifa, 32000, Israel
| | - Dor Toledano
- Schulich Faculty of Chemistry, Technion - Israel Institute of Technology, Technion City, Haifa, 32000, Israel
| | - Ilan Marek
- Schulich Faculty of Chemistry, Technion - Israel Institute of Technology, Technion City, Haifa, 32000, Israel
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2
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Monleón A, Blay G, Pedro JR. Catalytic Enantioselective Cyclopropylalkynylation of Aldimines Generated In Situ from α-Amido Sulfones. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27123763. [PMID: 35744889 PMCID: PMC9231313 DOI: 10.3390/molecules27123763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 06/07/2022] [Accepted: 06/08/2022] [Indexed: 11/21/2022]
Abstract
A convenient procedure of synthesis of N-carbamoyl-protected propargylic amines substituted with a cyclopropyl group from α-amido sulfones and cyclopropylacetylene is described. The reaction is catalyzed by a chiral BINOL-type zinc complex and provides the corresponding products in good yields and enantioselectivities.
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3
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Tian X, Bo XX, Ding YH. All-nitrogen spiropentadiene-N 5. J Chem Phys 2021; 155:174304. [PMID: 34742197 DOI: 10.1063/5.0070369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Of the pentanitrogen cation (N5 +) family, the only experimentally known isomer is the V-shaped structure 01. Here, we showed that a super-high-energy (∼100 kcal/mol above 01) all-nitrogen spiropentadiene 02 with considerable σ-delocalization deserves pursuit as the first spirocyclic all-nitrogen molecule, at least spectroscopical.
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Affiliation(s)
- Xiao Tian
- Laboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry, Jilin University, Changchun 130023, People's Republic of China
| | - Xiao-Xu Bo
- Laboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry, Jilin University, Changchun 130023, People's Republic of China
| | - Yi-Hong Ding
- Laboratory of Theoretical and Computational Chemistry, Institute of Theoretical Chemistry, Jilin University, Changchun 130023, People's Republic of China
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4
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Recent Synthetic Efforts towards High Energy Density Materials: How to Design High-Performance Energetic Structures? FIREPHYSCHEM 2021. [DOI: 10.1016/j.fpc.2021.09.005] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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5
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Heravi MM, Abedian‐Dehaghani N, Zadsirjan V, Rangraz Y. Catalytic Function of Cu (I) and Cu (II) in Total Synthesis of Alkaloids. ChemistrySelect 2021. [DOI: 10.1002/slct.202101130] [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)
- Majid M. Heravi
- Department of Chemistry School of Physics and Chemistry Alzahra University, PO.Box 1993891176, Vanak Tehran Iran
| | - Neda Abedian‐Dehaghani
- Department of Chemistry School of Physics and Chemistry Alzahra University, PO.Box 1993891176, Vanak Tehran Iran
| | - Vahideh Zadsirjan
- Department of Chemistry School of Physics and Chemistry Alzahra University, PO.Box 1993891176, Vanak Tehran Iran
| | - Yalda Rangraz
- Department of Chemistry School of Physics and Chemistry Alzahra University, PO.Box 1993891176, Vanak Tehran Iran
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6
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Ritz FJ, Valentin L, Henss A, Würtele C, Walter O, Kozhushkov SI, Meijere A, Schindler S. Syntheses, Structural Characterization, and Kinetic Investigations of Metalla[3]triangulanes: Isoelectronic Nickel(0) and Copper(I) Complexes with Bicyclopropylidene (bcp) and Dicyclopropylacetylene (dcpa) as Ligands. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100045] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Florian J. Ritz
- Institut für Anorganische und Analytische Chemie Justus-Liebig-Universität Gießen Heinrich-Buff-Ring 17 35392 Gießen Germany
| | - Lars Valentin
- Institut für Anorganische und Analytische Chemie Justus-Liebig-Universität Gießen Heinrich-Buff-Ring 17 35392 Gießen Germany
| | - Anja Henss
- Institut für Anorganische und Analytische Chemie Justus-Liebig-Universität Gießen Heinrich-Buff-Ring 17 35392 Gießen Germany
| | - Christian Würtele
- Institut für Anorganische und Analytische Chemie Justus-Liebig-Universität Gießen Heinrich-Buff-Ring 17 35392 Gießen Germany
| | - Olaf Walter
- European Commission DG Joint Research Centre Directorate G – Nuclear Safety and Security G.I.5 – Advanced Nuclear Knowledge P. O. Box 2340 76125 Karlsruhe Germany
| | - Sergei I. Kozhushkov
- Institut für Organische und Biomolekulare Chemie Georg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Germany
| | - Armin Meijere
- Institut für Organische und Biomolekulare Chemie Georg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Germany
| | - Siegfried Schindler
- Institut für Anorganische und Analytische Chemie Justus-Liebig-Universität Gießen Heinrich-Buff-Ring 17 35392 Gießen Germany
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7
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Abstract
Three- and four-membered rings, widespread motifs in nature and medicinal chemistry, have fascinated chemists ever since their discovery. However, due to energetic considerations, small rings are often difficult to assemble. In this regard, homogeneous gold catalysis has emerged as a powerful tool to construct these highly strained carbocycles. This review aims to provide a comprehensive summary of all the major advances and discoveries made in the gold-catalyzed synthesis of cyclopropanes, cyclopropenes, cyclobutanes, cyclobutenes, and their corresponding heterocyclic or heterosubstituted analogs.
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Affiliation(s)
- Mauro Mato
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain.,Departament de Quı́mica Analı́tica i Quı́mica Orgànica, Universitat Rovira i Virgili, C/Marcel·li Domingo s/n, 43007 Tarragona, Spain
| | - Allegra Franchino
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain.,Departament de Quı́mica Analı́tica i Quı́mica Orgànica, Universitat Rovira i Virgili, C/Marcel·li Domingo s/n, 43007 Tarragona, Spain
| | - Cristina Garcı A-Morales
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain.,Departament de Quı́mica Analı́tica i Quı́mica Orgànica, Universitat Rovira i Virgili, C/Marcel·li Domingo s/n, 43007 Tarragona, Spain
| | - Antonio M Echavarren
- Institute of Chemical Research of Catalonia (ICIQ), Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain.,Departament de Quı́mica Analı́tica i Quı́mica Orgànica, Universitat Rovira i Virgili, C/Marcel·li Domingo s/n, 43007 Tarragona, Spain
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8
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Saito F, Schreiner PR. Determination of the Absolute Configurations of Chiral Alkanes – An Analysis of the Available Tools. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000711] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Fumito Saito
- Institute of Organic Chemistry Justus Liebig University Heinrich‐Buff‐Ring 17 35392 Giessen Germany
| | - Peter R. Schreiner
- Institute of Organic Chemistry Justus Liebig University Heinrich‐Buff‐Ring 17 35392 Giessen Germany
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9
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Shobe DS. A piece of the C
6
H
9
+
potential energy surface: Rearrangement of spiropentylmethyl cation and an elegant nonclassical spiro[2.3]hex‐5‐yl cation. J PHYS ORG CHEM 2020. [DOI: 10.1002/poc.4064] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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10
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Villablanca D, Durán R, Lamsabhi AM, Herrera B. Reaction Mechanism of Li and Mg Carbenoid Cyclopropanations: Metal-π and σ Interactions. ACS OMEGA 2019; 4:19452-19461. [PMID: 31763569 PMCID: PMC6868892 DOI: 10.1021/acsomega.9b02905] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Accepted: 10/28/2019] [Indexed: 06/10/2023]
Abstract
The mechanism of the reaction of lithium and magnesium carbenoids with ethylene to give cyclopropane has been explained in detail in all the steps at the G4 level of theory. We explored the lithium and magnesium interaction toward πC=C and σC-C bonds in the reactants and the products. We have also investigated the reaction path by means of the force profile formalism in order to highlight the electronic and the structural rearrangements along the potential energy surface of the cyclopropanation. The results indicate that all of the reactions are stepwise, exoenergetic, with low barriers. All our findings were confirmed by dynamic simulations for chlorometal carbenoids. Furthermore, from the intrinsic reaction coordinate procedure, we were able to find out the intermediates that can take place when the reaction is descending from the transition state to the products or reactants. The reaction force analysis at B3LYP/6-311G(d,p) indicates that the energy barriers are mostly due to structural rearrangements which are produced by the approach of the carbenoid to ethylene. Quantum theory of atoms in molecules and electron localization function analyses indicate that products, reactants, and intermediates form complexes stabilized by attractive forces between Li/Mg and single/double bonds.
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Affiliation(s)
- Daniel Villablanca
- Laboratorio
de Química Teórica Computacional (QTC), Facultad de
Química, Pontificia Universidad Católica
de Chile, Santiago 7820436, Región Metropolitana, Chile
| | - Rocio Durán
- Laboratorio
de Química Teórica Computacional (QTC), Facultad de
Química, Pontificia Universidad Católica
de Chile, Santiago 7820436, Región Metropolitana, Chile
| | - Al Mokhtar Lamsabhi
- Departamento de Química, Facultad de Ciencias,
Módulo
13 and Institute
for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, Madrid 28049, Spain
| | - Barbara Herrera
- Laboratorio
de Química Teórica Computacional (QTC), Facultad de
Química, Pontificia Universidad Católica
de Chile, Santiago 7820436, Región Metropolitana, Chile
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11
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Liu LL, Zhou J, Cao LL, Stephan DW. Phosphaaluminirenes: Synthons for Main Group Heterocycles. J Am Chem Soc 2019; 141:16971-16982. [DOI: 10.1021/jacs.9b09330] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Liu Leo Liu
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Jiliang Zhou
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Levy L. Cao
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Douglas W. Stephan
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
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12
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O'Donnell MJ. Benzophenone Schiff bases of glycine derivatives: Versatile starting materials for the synthesis of amino acids and their derivatives. Tetrahedron 2019. [DOI: 10.1016/j.tet.2019.03.029] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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13
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Murai M, Taniguchi R, Mizuta C, Takai K. Chromium-Mediated Stannylcyclopropanation of Alkenes with (Diiodomethyl)stannanes. Org Lett 2019; 21:2668-2672. [PMID: 30946593 DOI: 10.1021/acs.orglett.9b00658] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
A stannyl-group-substituted gem-dichromiomethane species, generated in situ from CrCl2, TMEDA, and tributyl(diiodomethyl)stannane, worked as an efficient stannylcarbene equivalent to promote cyclopropanation of alkenes. The reaction provided synthetically useful stannylcyclopropanes directly from commercially available unactivated alkenes without using potentially flammable alkylzinc and diazo compounds. Structural characterization of stannyl- and germyl-group-substituted gem-dichromiomethane complexes and the effect of group 14 elements containing substituents for cyclopropanation are also described.
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Affiliation(s)
- Masahito Murai
- Division of Applied Chemistry, Graduate School of Natural Science and Technology , Okayama University , 3-1-1 Tsushimanaka , Kita-ku , Okayama 700-8530 , Japan
| | - Ryuji Taniguchi
- Division of Applied Chemistry, Graduate School of Natural Science and Technology , Okayama University , 3-1-1 Tsushimanaka , Kita-ku , Okayama 700-8530 , Japan
| | - Chisato Mizuta
- Division of Applied Chemistry, Graduate School of Natural Science and Technology , Okayama University , 3-1-1 Tsushimanaka , Kita-ku , Okayama 700-8530 , Japan
| | - Kazuhiko Takai
- Division of Applied Chemistry, Graduate School of Natural Science and Technology , Okayama University , 3-1-1 Tsushimanaka , Kita-ku , Okayama 700-8530 , Japan
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14
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Peng J, Agliari E. Exact results for the first-passage properties in a class of fractal networks. CHAOS (WOODBURY, N.Y.) 2019; 29:023105. [PMID: 30823739 DOI: 10.1063/1.5080481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Accepted: 01/13/2019] [Indexed: 06/09/2023]
Abstract
In this work, we consider a class of recursively grown fractal networks Gn(t) whose topology is controlled by two integer parameters, t and n. We first analyse the structural properties of Gn(t) (including fractal dimension, modularity, and clustering coefficient), and then we move to its transport properties. The latter are studied in terms of first-passage quantities (including the mean trapping time, the global mean first-passage time, and Kemeny's constant), and we highlight that their asymptotic behavior is controlled by the network's size and diameter. Remarkably, if we tune n (or, analogously, t) while keeping the network size fixed, as n increases (t decreases) the network gets more and more clustered and modular while its diameter is reduced, implying, ultimately, a better transport performance. The connection between this class of networks and models for polymer architectures is also discussed.
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Affiliation(s)
- Junhao Peng
- School of Math and Information Science, Guangzhou University, Guangzhou 510006, China
| | - Elena Agliari
- Department of Mathematics, Sapienza Università di Roma, 00185 Rome, Italy
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15
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Torrent-Sucarrat M, Arrastia I, Arrieta A, Cossío FP. Stereoselectivity, Different Oxidation States, and Multiple Spin States in the Cyclopropanation of Olefins Catalyzed by Fe–Porphyrin Complexes. ACS Catal 2018. [DOI: 10.1021/acscatal.8b01492] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Miquel Torrent-Sucarrat
- Department of Organic Chemistry I, Universidad del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU), Centro de Innovación en Química Avanzada (ORFEO−CINQA), Manuel Lardizabal Ibilbidea 3, 20018 San Sebastián/Donostia, Spain
- Donostia International Physics Center (DIPC), Manuel Lardizabal Ibilbidea 4, 20018 San Sebastián/Donostia, Spain
- Ikerbasque, Basque Foundation for Science, Alameda Urquijo, 36-5 Plaza Bizkaia, 48011 Bilbao, Spain
| | - Iosune Arrastia
- Department of Organic Chemistry I, Universidad del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU), Centro de Innovación en Química Avanzada (ORFEO−CINQA), Manuel Lardizabal Ibilbidea 3, 20018 San Sebastián/Donostia, Spain
- Donostia International Physics Center (DIPC), Manuel Lardizabal Ibilbidea 4, 20018 San Sebastián/Donostia, Spain
| | - Ana Arrieta
- Department of Organic Chemistry I, Universidad del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU), Centro de Innovación en Química Avanzada (ORFEO−CINQA), Manuel Lardizabal Ibilbidea 3, 20018 San Sebastián/Donostia, Spain
| | - Fernando P. Cossío
- Department of Organic Chemistry I, Universidad del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU), Centro de Innovación en Química Avanzada (ORFEO−CINQA), Manuel Lardizabal Ibilbidea 3, 20018 San Sebastián/Donostia, Spain
- Donostia International Physics Center (DIPC), Manuel Lardizabal Ibilbidea 4, 20018 San Sebastián/Donostia, Spain
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16
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Jurjiu A, Galiceanu M. Dynamics of a Polymer Network Modeled by a Fractal Cactus. Polymers (Basel) 2018; 10:E787. [PMID: 30960712 PMCID: PMC6403701 DOI: 10.3390/polym10070787] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Revised: 07/14/2018] [Accepted: 07/16/2018] [Indexed: 01/16/2023] Open
Abstract
In this paper, we focus on the relaxation dynamics of a polymer network modeled by a fractal cactus. We perform our study in the framework of the generalized Gaussian structure model using both Rouse and Zimm approaches. By performing real-space renormalization transformations, we determine analytically the whole eigenvalue spectrum of the connectivity matrix, thereby rendering possible the analysis of the Rouse-dynamics at very large generations of the structure. The evaluation of the structural and dynamical properties of the fractal network in the Rouse type-approach reveals that they obey scaling and the dynamics is governed by the value of spectral dimension. In the Zimm-type approach, the relaxation quantities show a strong dependence on the strength of the hydrodynamic interaction. For low and medium hydrodynamic interactions, the relaxation quantities do not obey power law behavior, while for slightly larger interactions they do. Under strong hydrodynamic interactions, the storage modulus does not follow power law behavior and the average displacement of the monomer is very low. Remarkably, the theoretical findings with respect to scaling in the intermediate domain of the relaxation quantities are well supported by experimental results from the literature.
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Affiliation(s)
- Aurel Jurjiu
- National Institute for Research and Development of Isotopic and Molecular Technologies, Cluj-Napoca 400293, Romania.
- Faculty of Physics, Babes-Bolyai University, Street Mihail Kogalniceanu 1, Cluj-Napoca 400084, Romania.
| | - Mircea Galiceanu
- Department of Physics, Federal University of Amazonas, Manaus 69077-000, Brazil.
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17
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Bruffaerts J, Vasseur A, Singh S, Masarwa A, Didier D, Oskar L, Perrin L, Eisenstein O, Marek I. Zirconocene-Mediated Selective C-C Bond Cleavage of Strained Carbocycles: Scope and Mechanism. J Org Chem 2018. [PMID: 29537856 DOI: 10.1021/acs.joc.7b03115] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Several approaches using organozirconocene species for the remote cleavage of strained three-membered ring carbocycles are described. ω-Ene polysubstituted cyclopropanes, alkylidenecyclopropanes, ω-ene spiro[2.2]pentanes, and ω-ene cyclopropyl methyl ethers were successfully transformed into stereodefined organometallic intermediates, allowing an easy access to highly stereoenriched acyclic scaffolds in good yields and, in most cases, excellent selectivities. DFT calculations and isotopic labeling experiments were performed to delineate the origin of the obtained chemo- and stereoselectivities, demonstrating the importance of microreversibility.
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Affiliation(s)
- Jeffrey Bruffaerts
- The Mallat Family Laboratory of Organic Chemistry, Schulich Faculty of Chemistry , Technion-Israel Institute of Technology , Haifa 3200009 , Israel
| | - Alexandre Vasseur
- The Mallat Family Laboratory of Organic Chemistry, Schulich Faculty of Chemistry , Technion-Israel Institute of Technology , Haifa 3200009 , Israel
| | - Sukhdev Singh
- The Mallat Family Laboratory of Organic Chemistry, Schulich Faculty of Chemistry , Technion-Israel Institute of Technology , Haifa 3200009 , Israel
| | - Ahmad Masarwa
- The Mallat Family Laboratory of Organic Chemistry, Schulich Faculty of Chemistry , Technion-Israel Institute of Technology , Haifa 3200009 , Israel
| | - Dorian Didier
- The Mallat Family Laboratory of Organic Chemistry, Schulich Faculty of Chemistry , Technion-Israel Institute of Technology , Haifa 3200009 , Israel
| | - Liron Oskar
- The Mallat Family Laboratory of Organic Chemistry, Schulich Faculty of Chemistry , Technion-Israel Institute of Technology , Haifa 3200009 , Israel
| | - Lionel Perrin
- CPE Lyon, INSA Lyon, ICBMS, CNRS UMR 5246 , Université de Lyon, Université Claude Bernard Lyon 1 , Equipe ITEMM, Bât. Curien, 43 Bd. du 11 Novembre 1918 , 69622 Villeurbanne , France
| | - Odile Eisenstein
- Institut Charles Gerhardt, UMR 5253, CNRS-UM-ENSCM , Université de Montpellier , cc 1501, Place E. Bataillon , 34095 Montpellier , France
| | - Ilan Marek
- The Mallat Family Laboratory of Organic Chemistry, Schulich Faculty of Chemistry , Technion-Israel Institute of Technology , Haifa 3200009 , Israel
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18
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Liu LL, Zhou J, Cao LL, Andrews R, Falconer RL, Russell CA, Stephan DW. A Transient Vinylphosphinidene via a Phosphirene–Phosphinidene Rearrangement. J Am Chem Soc 2017; 140:147-150. [DOI: 10.1021/jacs.7b11791] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Liu Leo Liu
- Department
of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Jiliang Zhou
- Department
of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Levy L. Cao
- Department
of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Ryan Andrews
- Department
of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Rosalyn L. Falconer
- School
of Chemistry, University of Bristol, Cantock’s Close, Bristol BS8 1TS, United Kingdom
| | - Christopher A. Russell
- School
of Chemistry, University of Bristol, Cantock’s Close, Bristol BS8 1TS, United Kingdom
| | - Douglas W. Stephan
- Department
of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
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19
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Synthesis of Spiro[2.2]pentanes and Spiro[2.3]hexanes Employing the Me3
Al/CH2
I2
Reagent. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700991] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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20
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Murai M, Mizuta C, Taniguchi R, Takai K. Synthesis of Borylcyclopropanes by Chromium-Promoted Cyclopropanation of Unactivated Alkenes. Org Lett 2017; 19:6104-6107. [PMID: 29083928 DOI: 10.1021/acs.orglett.7b02956] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The combination of diiodomethylboronate ester, CrCl2 with TMEDA promoted borylcyclopropanation of unactivated alkenes under mild conditions. Compared with the typical Simmons-Smith cyclopropanation, the current protocol offers the following advantages: (1) the reaction proceeds stereoselectively with disubstituted alkenes even without hydroxy or alkoxy groups; (2) both electron-rich and electron-deficient alkenes can be applicable; and (3) the reaction does not require potentially flammable alkylzinc. These unique reactivity features result from the steric and electronic nature of the gem-dichromiomethane intermediates.
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Affiliation(s)
- Masahito Murai
- Division of Applied Chemistry, Graduate School of Natural Science and Technology, Okayama University , 3-1-1 Tsushimanaka, Kita-ku, Okayama 700-8530, Japan
| | - Chisato Mizuta
- Division of Applied Chemistry, Graduate School of Natural Science and Technology, Okayama University , 3-1-1 Tsushimanaka, Kita-ku, Okayama 700-8530, Japan
| | - Ryuji Taniguchi
- Division of Applied Chemistry, Graduate School of Natural Science and Technology, Okayama University , 3-1-1 Tsushimanaka, Kita-ku, Okayama 700-8530, Japan
| | - Kazuhiko Takai
- Division of Applied Chemistry, Graduate School of Natural Science and Technology, Okayama University , 3-1-1 Tsushimanaka, Kita-ku, Okayama 700-8530, Japan
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21
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Murai M, Taniguchi R, Hosokawa N, Nishida Y, Mimachi H, Oshiki T, Takai K. Structural Characterization and Unique Catalytic Performance of Silyl-Group-Substituted Geminal Dichromiomethane Complexes Stabilized with a Diamine Ligand. J Am Chem Soc 2017; 139:13184-13192. [PMID: 28814078 DOI: 10.1021/jacs.7b07487] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Stabilization by a silyl group on the methylene carbon and a diamine ligand led to the isolation of gem-dichromiomethane species. X-ray crystallography confirmed the identity of the structure of this rare example of reactive gem-dimetalloalkane species. The isolated gem-dichromiomethane complex acted as a storable silylmethylidene carbene equivalent, with reactivity that could be changed dramatically upon addition of a Lewis acid (ZnCl2) and a base (TMEDA) to promote both silylalkylidenation of polar aldehydes and silylcyclopropanation of nonpolar alkenes. Identification of a key reactive species also identified the catalytic version of these transformations and provided insights into the reaction mechanism. In contrast to Simmons-Smith cyclopropanation, the real reactive species for the current cyclopropanation was a chromiocarbene species, not a chromium carbenoid species.
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Affiliation(s)
- Masahito Murai
- Division of Applied Chemistry, Graduate School of Natural Science and Technology, and ‡Research Institute for Interdisciplinary Science, Okayama University , 3-1-1 Tsushimanaka, Kita-ku, Okayama 700-8530, Japan
| | - Ryuji Taniguchi
- Division of Applied Chemistry, Graduate School of Natural Science and Technology, and ‡Research Institute for Interdisciplinary Science, Okayama University , 3-1-1 Tsushimanaka, Kita-ku, Okayama 700-8530, Japan
| | - Naoki Hosokawa
- Division of Applied Chemistry, Graduate School of Natural Science and Technology, and ‡Research Institute for Interdisciplinary Science, Okayama University , 3-1-1 Tsushimanaka, Kita-ku, Okayama 700-8530, Japan
| | - Yusuke Nishida
- Division of Applied Chemistry, Graduate School of Natural Science and Technology, and ‡Research Institute for Interdisciplinary Science, Okayama University , 3-1-1 Tsushimanaka, Kita-ku, Okayama 700-8530, Japan
| | - Hiroko Mimachi
- Division of Applied Chemistry, Graduate School of Natural Science and Technology, and ‡Research Institute for Interdisciplinary Science, Okayama University , 3-1-1 Tsushimanaka, Kita-ku, Okayama 700-8530, Japan
| | - Toshiyuki Oshiki
- Division of Applied Chemistry, Graduate School of Natural Science and Technology, and ‡Research Institute for Interdisciplinary Science, Okayama University , 3-1-1 Tsushimanaka, Kita-ku, Okayama 700-8530, Japan
| | - Kazuhiko Takai
- Division of Applied Chemistry, Graduate School of Natural Science and Technology, and ‡Research Institute for Interdisciplinary Science, Okayama University , 3-1-1 Tsushimanaka, Kita-ku, Okayama 700-8530, Japan
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22
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Streubel R, Junker P, Kyri AW, Schnakenburg G. Synthesis of P-CPh 3 Substituted Spirooxaphosphirane Complexes: Steric Effects Dominate the Product Formation. Organometallics 2017. [DOI: 10.1021/acs.organomet.7b00404] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Rainer Streubel
- Institut für Anorganische
Chemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Gerhard-Domagk-Straße
1, 53121 Bonn, Germany
| | - Philip Junker
- Institut für Anorganische
Chemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Gerhard-Domagk-Straße
1, 53121 Bonn, Germany
| | - Andreas W. Kyri
- Institut für Anorganische
Chemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Gerhard-Domagk-Straße
1, 53121 Bonn, Germany
| | - Gregor Schnakenburg
- Institut für Anorganische
Chemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Gerhard-Domagk-Straße
1, 53121 Bonn, Germany
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23
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Affiliation(s)
- Sambasivarao Kotha
- Department of Chemistry; Indian Institute of Technology-Bombay; Powai 400076 Mumbai India
| | | | - Rashid Ali
- Department of Chemistry; Indian Institute of Technology-Bombay; Powai 400076 Mumbai India
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24
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Affiliation(s)
- Wesley D Allen
- Center for Computational Quantum Chemistry and Department of Chemistry, University of Georgia , Athens, Georgia 30602, United States
| | - Henrik Quanz
- Institute of Organic Chemistry, Justus-Liebig University , Heinrich-Buff-Ring 17, 35392 Giessen, Germany
| | - Peter R Schreiner
- Institute of Organic Chemistry, Justus-Liebig University , Heinrich-Buff-Ring 17, 35392 Giessen, Germany
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25
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Chakraborty S, Sarkar R, Endres K, Xie TZ, Ghosh M, Moorefield CN, Saunders MJ, Wesdemiotis C, Newkome GR. Programmed Molecular Engineering: Stepwise, Multicomponent Assembly of a Dimetallic Metallotriangulane. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600883] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Sourav Chakraborty
- Department of Polymer Science; The University of Akron; 44325-4717 Akron OH USA
| | - Rajarshi Sarkar
- Department of Chemistry; The University of Akron; 44325-3601 Akron OH USA
| | - Kevin Endres
- Department of Polymer Science; The University of Akron; 44325-4717 Akron OH USA
| | - Ting-Zheng Xie
- Department of Polymer Science; The University of Akron; 44325-4717 Akron OH USA
| | - Monoj Ghosh
- Department of Polymer Engineering; The University of Akron; 44325-0301 Akron USA
| | | | - Mary Jane Saunders
- Department of Biological Science; Florida Atlantic University; 33431 Boca Raton FL USA
| | - Chrys Wesdemiotis
- Department of Polymer Science; The University of Akron; 44325-4717 Akron OH USA
- Department of Chemistry; The University of Akron; 44325-3601 Akron OH USA
| | - George R. Newkome
- Department of Polymer Science; The University of Akron; 44325-4717 Akron OH USA
- Department of Chemistry; The University of Akron; 44325-3601 Akron OH USA
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26
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Sedenkova KN, Averina EB, Grishin YK, Andriasov KS, Stepanova SA, Roznyatovsky VA, Kutateladze AG, Rybakov VB, Albov DV, Kuznetsova TS, Zefirov NS. Beyond the Dimer and Trimer: Tetraspiro[2.1.2(5).1.2(9).1.2(13).1(3)] hexadecane-1,3,5,7-tetraone--the Cyclic Tetramer of Carbonylcyclopropane. Chemistry 2016; 22:3996-9. [PMID: 26762227 DOI: 10.1002/chem.201600140] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Indexed: 11/09/2022]
Abstract
Tetraspiro[2.1.2(5).1.2(9).1.2(13).1(3)]hexadecane-1,3,5,7-tetraone 4, a unique tetraketone containing a cyclooctane core and four spiroannelated cyclopropane moieties, represents the previously unknown cyclotetramer of carbonylcyclopropane. For this purpose oxidation of the parent polyspirocyclic hydrocarbon was examined under various oxidative conditions, and the reactivity of oxidants towards methylene groups of the eight-membered cycle, activated by adjacent spirocyclopropane rings, was evaluated and contrasted. Whereas the treatment of tetraspirohexadecane with ozone resulted in monooxidation, its reaction with methyl(trifluoromethyl)dioxirane afforded the product of four-fold oxidation, triketoalcohol 10. Subsequent oxidation of the latter with Dess-Martin periodinane gave the target tetraketone 4.
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Affiliation(s)
- Kseniya N Sedenkova
- Department of Chemistry, Lomonosov Moscow State University, 119991, Leninskie Gory, 1-3, Moscow, Russian Federation
- N.D. Zelinsky Institute of Organic Chemistry RAS, 119991, Leninsky Prospect, 47, Moscow, Russian Federation
| | - Elena B Averina
- Department of Chemistry, Lomonosov Moscow State University, 119991, Leninskie Gory, 1-3, Moscow, Russian Federation.
- N.D. Zelinsky Institute of Organic Chemistry RAS, 119991, Leninsky Prospect, 47, Moscow, Russian Federation.
| | - Yuri K Grishin
- Department of Chemistry, Lomonosov Moscow State University, 119991, Leninskie Gory, 1-3, Moscow, Russian Federation
| | - Kristian S Andriasov
- Department of Chemistry, Lomonosov Moscow State University, 119991, Leninskie Gory, 1-3, Moscow, Russian Federation
| | - Svetlana A Stepanova
- Department of Chemistry, Lomonosov Moscow State University, 119991, Leninskie Gory, 1-3, Moscow, Russian Federation
| | - Vitaly A Roznyatovsky
- Department of Chemistry, Lomonosov Moscow State University, 119991, Leninskie Gory, 1-3, Moscow, Russian Federation
| | - Andrei G Kutateladze
- Department of Chemistry and Biochemistry, University of Denver, Denver, Colorado, 80208, USA.
| | - Victor B Rybakov
- Department of Chemistry, Lomonosov Moscow State University, 119991, Leninskie Gory, 1-3, Moscow, Russian Federation
| | - Dmitry V Albov
- Department of Chemistry, Lomonosov Moscow State University, 119991, Leninskie Gory, 1-3, Moscow, Russian Federation
| | - Tamara S Kuznetsova
- Department of Chemistry, Lomonosov Moscow State University, 119991, Leninskie Gory, 1-3, Moscow, Russian Federation
| | - Nikolay S Zefirov
- Department of Chemistry, Lomonosov Moscow State University, 119991, Leninskie Gory, 1-3, Moscow, Russian Federation
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27
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Diversity-oriented approach to novel spirocycles via 1,2,4,5-tetrakis(bromomethyl)benzene under operationally simple reaction conditions. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.07.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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28
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Huang HX, Jin SJ, Gong J, Zhang D, Song H, Qin Y. Studies of a Diazo Cyclopropanation Strategy for the Total Synthesis of (−)-Lundurine A. Chemistry 2015; 21:13284-90. [DOI: 10.1002/chem.201502011] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2015] [Indexed: 11/07/2022]
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29
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Miura T, Nakamuro T, Liang CJ, Murakami M. Synthesis of trans-Cycloalkenes via Enantioselective Cyclopropanation and Skeletal Rearrangement. J Am Chem Soc 2014; 136:15905-8. [DOI: 10.1021/ja5096045] [Citation(s) in RCA: 80] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Tomoya Miura
- Department of Synthetic Chemistry
and Biological Chemistry, Kyoto University, Katsura, Kyoto 615-8510, Japan
| | - Takayuki Nakamuro
- Department of Synthetic Chemistry
and Biological Chemistry, Kyoto University, Katsura, Kyoto 615-8510, Japan
| | - Chia-Jung Liang
- Department of Synthetic Chemistry
and Biological Chemistry, Kyoto University, Katsura, Kyoto 615-8510, Japan
| | - Masahiro Murakami
- Department of Synthetic Chemistry
and Biological Chemistry, Kyoto University, Katsura, Kyoto 615-8510, Japan
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30
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Averina EB, Sedenkova KN, Bakhtin SG, Grishin YK, Kutateladze AG, Roznyatovsky VA, Rybakov VB, Butov GM, Kuznetsova TS, Zefirov NS. symm-Tetramethylenecyclooctane: en route to polyspirocycles. J Org Chem 2014; 79:8163-70. [PMID: 25105976 DOI: 10.1021/jo501380y] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A straightforward gram-scale synthesis of 1,3,5,7-tetrakis(methylidene)cyclooctane (TMCO) from commercial adamantane-1,3-dicarboxylic acid has been developed. TMCO exhibits high reactivity toward a number of carbenes and epoxidizing reagents, undergoing multiple cyclopropanations, dihalocyclopropanations, or epoxidations of four double bonds to yield polyspirocyclic products. Stereochemical features of polyspirocyclopropanated compounds have been thoroughly examined in experimental (NMR) and theoretical (DFT) studies. Comprehensive stereochemical assignment of TMCO adducts with dihalocarbenes and spiroepoxy products was achieved. The conditions of the formation of 1-methyl-3,7-bis(methylidene)bicyclo[3.3.1]nonane from the adamantane derivative were optimized, and diadducts of this diene with dihalocarbenes were isolated and characterized.
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Affiliation(s)
- Elena B Averina
- Department of Chemistry, Lomonosov Moscow State University , Leninskie Gory, 1-3, Moscow 119991, Russia
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31
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Xie TZ, Guo K, Huang M, Lu X, Liao SY, Sarkar R, Moorefield CN, Cheng SZD, Wesdemiotis C, Newkome GR. Towards Molecular Construction Platforms: Synthesis of a Metallotricyclic Spirane Based on Bis(2,2′:6′,2“-Terpyridine)RuIIConnectivity. Chemistry 2014; 20:11291-4. [DOI: 10.1002/chem.201403840] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2014] [Indexed: 11/06/2022]
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32
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D’yakonov VA, Trapeznikova OA, de Meijere A, Dzhemilev UM. Metal Complex Catalysis in the Synthesis of Spirocarbocycles. Chem Rev 2014; 114:5775-814. [DOI: 10.1021/cr400291c] [Citation(s) in RCA: 167] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Vladimir A. D’yakonov
- Institute
of Petrochemistry and Catalysis, Russian Academy of Sciences, 141 Prospekt Oktyabrya, Ufa 450075, Russia
| | - Ol’ga A. Trapeznikova
- Institute
of Petrochemistry and Catalysis, Russian Academy of Sciences, 141 Prospekt Oktyabrya, Ufa 450075, Russia
| | - Armin de Meijere
- Institut für Organische und Biomolekulare Chemie der Georg-August-Universität Göttingen, Tammannstrasse
2, 37077 Göttingen, Germany
| | - Usein M. Dzhemilev
- Institute
of Petrochemistry and Catalysis, Russian Academy of Sciences, 141 Prospekt Oktyabrya, Ufa 450075, Russia
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33
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Abstract
This article emphasizes two underappreciated aspects of hyperconjugation in hydrocarbons, two-way hyperconjugation and hyperconjugation in tight spaces. Nonplanar polyenes [e.g., cyclooctatetraene (D2d), biphenyl (D2), styrene (C1)], the nonplanar rotational transition states (TSs) of planar polyenes (e.g., perpendicular 1,3-butadiene), as well as the larger nonplanar Hückel or Möbius annulenes, are stabilized by effective σ-electron delocalization (involving either the C–C or C–H bonds) via two-way hyperconjugation. The collective consequence of two-way hyperconjugation in molecules can be nearly as stabilizing as π-conjugation effects in planar polyenes. Reexamination of the σ- vs. π-bond strength of ethylene results in surprising counterintuitive insights. Strained rings and cages (e.g., cyclopropane and tetrahedrane derivatives, the cubyl cation, etc.) can foster unexpectedly large hyperconjugation stabilizations due to their highly deformed ring angles. The thermochemical stabilities of these species rely on a fine balance between their opposing destabilizing geometrical features and stabilizing hyperconjugative effects in tight spaces (adjustable via substituent effects). We hope to help dispel chemists’ prejudice in viewing hyperconjugation as merely a “mild” effect with unimportant consequences for interpreting the structures and energies of molecules.
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35
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Albrecht C, Schneider E, Engeser M, Schnakenburg G, Espinosa A, Streubel R. Synthesis and DFT calculations of spirooxaphosphirane complexes. Dalton Trans 2013; 42:8897-906. [DOI: 10.1039/c3dt50556a] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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36
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Affiliation(s)
- Rainer Streubel
- Institut für
Anorganische Chemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Gerhard-Domagk-Straße 1, 53121 Bonn, Germany
| | - Eva Schneider
- Institut für
Anorganische Chemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Gerhard-Domagk-Straße 1, 53121 Bonn, Germany
| | - Gregor Schnakenburg
- Institut für
Anorganische Chemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Gerhard-Domagk-Straße 1, 53121 Bonn, Germany
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37
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Molchanov AP, Kostikov RR. Synthesis of dispiro[2.1.3.1]nonane and trispiro[2.1.1.37.15.13]-dodecane. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2012. [DOI: 10.1134/s1070428012040239] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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38
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Khlebnikov AF, Kozhushkov SI, Yufit DS, Schill H, Reggelin M, Spohr V, de Meijere A. A Novel Type of Chiral Triangulane-Based Diphosphane Ligands for Transition Metals. European J Org Chem 2012. [DOI: 10.1002/ejoc.201101715] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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39
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Chen DYK, Pouwer RH, Richard JA. Recent advances in the total synthesis of cyclopropane-containing natural products. Chem Soc Rev 2012; 41:4631-42. [DOI: 10.1039/c2cs35067j] [Citation(s) in RCA: 403] [Impact Index Per Article: 33.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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40
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Pérez JM, Klein M, Kyri AW, Schnakenburg G, Streubel R. First Examples of Spirooxaphosphirane Complexes. Organometallics 2011. [DOI: 10.1021/om200431f] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Janaina Marinas Pérez
- Institut für Anorganische Chemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Gerhard-Domagk-Straße 1, 53121 Bonn, Germany
| | - Melina Klein
- Institut für Anorganische Chemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Gerhard-Domagk-Straße 1, 53121 Bonn, Germany
| | - Andreas Wolfgang Kyri
- Institut für Anorganische Chemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Gerhard-Domagk-Straße 1, 53121 Bonn, Germany
| | - Gregor Schnakenburg
- Institut für Anorganische Chemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Gerhard-Domagk-Straße 1, 53121 Bonn, Germany
| | - Rainer Streubel
- Institut für Anorganische Chemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Gerhard-Domagk-Straße 1, 53121 Bonn, Germany
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41
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Ley D, Gerbig D, Wagner JP, Reisenauer HP, Schreiner PR. Cyclopropylhydroxycarbene. J Am Chem Soc 2011; 133:13614-21. [DOI: 10.1021/ja204507j] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- David Ley
- Justus-Liebig University, Heinrich-Buff-Ring 58, 35392 Giessen, Germany
| | - Dennis Gerbig
- Justus-Liebig University, Heinrich-Buff-Ring 58, 35392 Giessen, Germany
| | - J. Philipp Wagner
- Justus-Liebig University, Heinrich-Buff-Ring 58, 35392 Giessen, Germany
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43
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Ivanova OA, Budynina EM, Chagarovskiy AO, Kaplun AE, Trushkov IV, Melnikov MY. Lewis Acid-Catalyzed [3+4] Annulation of 2-(Heteroaryl)- cyclopropane-1,1-dicarboxylates with Cyclopentadiene. Adv Synth Catal 2011. [DOI: 10.1002/adsc.201000783] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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44
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Cordero FM, Vurchio C, Cicchi S, de Meijere A, Brandi A. Rh-Catalyzed rearrangement of vinylcyclopropane to 1,3-diene units attached to N-heterocycles. Beilstein J Org Chem 2011; 7:298-303. [PMID: 21448251 PMCID: PMC3063054 DOI: 10.3762/bjoc.7.39] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2010] [Accepted: 02/08/2011] [Indexed: 11/23/2022] Open
Abstract
Dienes embedded in quinolizidine and indolizidine structures can be prepared in four steps from cyclic nitrones and bicyclopropylidene. The key intermediates α-spirocyclopropanated N-heterocyclic ketones, generated via a domino 1,3-dipolar cycloaddition/thermal rearrangement sequence, were converted by Wittig methylenation to the corresponding vinylcyclopropanes (VCPs), which underwent rearrangement to 1,3-dienes in the presence of the Wilkinson Rh(I) complex under microwave heating. The previously unexplored Rh(I)-catalyzed opening of the VCP moiety embedded in an azapolycyclic system occurs at high temperature (110-130 °C) to afford the corresponding 1,3-dienes in moderate yield (34-53%).
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Affiliation(s)
- Franca M Cordero
- Dipartimento di Chimica "Ugo Schiff", Università degli Studi di Firenze, Via della Lastruccia 13, 50019 Sesto Fiorentino (FI), Italy
| | - Carolina Vurchio
- Dipartimento di Chimica "Ugo Schiff", Università degli Studi di Firenze, Via della Lastruccia 13, 50019 Sesto Fiorentino (FI), Italy
| | - Stefano Cicchi
- Dipartimento di Chimica "Ugo Schiff", Università degli Studi di Firenze, Via della Lastruccia 13, 50019 Sesto Fiorentino (FI), Italy
| | - Armin de Meijere
- Institut für Organische und Biomolekulare Chemie der Georg-August-Universität Göttingen, Tammannstrasse 2, 37077 Göttingen, Germany
| | - Alberto Brandi
- Dipartimento di Chimica "Ugo Schiff", Università degli Studi di Firenze, Via della Lastruccia 13, 50019 Sesto Fiorentino (FI), Italy
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46
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Li H, Hsung RP. Highly substituted 2-amido-furans from Rh(II)-catalyzed cyclopropenations of ynamides. Org Lett 2009; 11:4462-5. [PMID: 19739617 PMCID: PMC2813717 DOI: 10.1021/ol901860b] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Rh(II)-catalyzed cyclopropenations of ynamides are described. Although an actual amido-cyclopropene intermediate may not be involved, these reactions provide a facile entry to highly substituted 2-amido-furans, thereby formerly constituting a [3 + 2] cycloaddition. An application of these de novo 2-amido-furans in N-tethered intramolecular [4 + 2] cycloadditions is also illustrated, leading to dihydroindoles and tetrahydroquinolines.
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Affiliation(s)
- Hongyan Li
- Division of Pharmaceutical Sciences and Department of Chemistry, University of Wisconsin, Madison, WI 53705
| | - Richard P. Hsung
- Division of Pharmaceutical Sciences and Department of Chemistry, University of Wisconsin, Madison, WI 53705
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47
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Lu T, Hayashi R, Hsung RP, DeKrover KA, Lohse AG, Song Z, Tang Y. Synthesis of amido-spiro[2.2]pentanes via Simmons-Smith cyclopropanation of allenamides. Org Biomol Chem 2009; 7:3331-7. [PMID: 19641792 PMCID: PMC2829688 DOI: 10.1039/b908205k] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A detailed account of Simmons-Smith cyclopropanations of allenamides en route to amido-spiro[2.2]pentanes is described here. While the diastereoselectivity was low when using unsubstituted allenamides, the reaction is overall efficient and general, representing the most direct synthesis of both chemically and biologically interesting amido-spiro[2.2]pentane systems. With alpha-substituted allenamides, while the diastereoselectivity could be improved significantly based on a series of conformational analyses, both mono- and bis-cyclopropanation products were observed. Consequently, several structurally intriguing amido-methylene cyclopropanes could also be prepared.
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Affiliation(s)
- Ting Lu
- Division of Pharmaceutical Sciences and Department of Chemistry, Rennebohm Hall, 777 Highland Avenue University of Wisconsin, Madison, WI 53705-2222
| | - Ryuji Hayashi
- Division of Pharmaceutical Sciences and Department of Chemistry, Rennebohm Hall, 777 Highland Avenue University of Wisconsin, Madison, WI 53705-2222
| | - Richard P. Hsung
- Division of Pharmaceutical Sciences and Department of Chemistry, Rennebohm Hall, 777 Highland Avenue University of Wisconsin, Madison, WI 53705-2222
| | - Kyle A. DeKrover
- Division of Pharmaceutical Sciences and Department of Chemistry, Rennebohm Hall, 777 Highland Avenue University of Wisconsin, Madison, WI 53705-2222
| | - Andrew G. Lohse
- Division of Pharmaceutical Sciences and Department of Chemistry, Rennebohm Hall, 777 Highland Avenue University of Wisconsin, Madison, WI 53705-2222
| | - Zhenlei Song
- Division of Pharmaceutical Sciences and Department of Chemistry, Rennebohm Hall, 777 Highland Avenue University of Wisconsin, Madison, WI 53705-2222
| | - Yu Tang
- Division of Pharmaceutical Sciences and Department of Chemistry, Rennebohm Hall, 777 Highland Avenue University of Wisconsin, Madison, WI 53705-2222
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Gao X, Ohtsuka Y, Ishimura K, Nagase S. Mechanism and Dynamic Correlation Effects in Cycloaddition Reactions of Singlet Difluorocarbene to Alkenes and Disilene. J Phys Chem A 2009; 113:9852-60. [DOI: 10.1021/jp901553y] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Xingfa Gao
- Department of Theoretical and Computational Molecular Science, Institute for Molecular Science, Myodaiji, Okazaki 444-8585, Japan
| | - Yuhki Ohtsuka
- Department of Theoretical and Computational Molecular Science, Institute for Molecular Science, Myodaiji, Okazaki 444-8585, Japan
| | - Kazuya Ishimura
- Department of Theoretical and Computational Molecular Science, Institute for Molecular Science, Myodaiji, Okazaki 444-8585, Japan
| | - Shigeru Nagase
- Department of Theoretical and Computational Molecular Science, Institute for Molecular Science, Myodaiji, Okazaki 444-8585, Japan
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Duffy RJ, Morris KA, Romo D. Synthesis of Unusually Strained Spiro Ring Systems and Their Exploits in Synthesis. Tetrahedron 2009; 65:5879-5892. [PMID: 20640036 DOI: 10.1016/j.tet.2008.06.090] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- Richard J Duffy
- Department of Chemistry, Texas A&M University, P.O. Box 30012, College Station, TX 7784
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Averina EB, Sedenkova KN, Borisov IS, Grishin YK, Kuznetsova TS, Zefirov NS. Unusual methylation reaction of gem-bromofluorospiropentanes with methyllithium. Tetrahedron 2009. [DOI: 10.1016/j.tet.2009.05.032] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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