1
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Zhang ZQ, Zhang ZK, Wang YH, Chen BT, He FK, Wang YL, Shu T, Huang YY. Trivalent Phosphine-Catalyzed [4+1] Spiro-annulation Reaction Using Allenyl Imide and Methylene Cyclocompounds. J Org Chem 2024; 89:6607-6614. [PMID: 38624206 DOI: 10.1021/acs.joc.4c00388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/17/2024]
Abstract
The trivalent phosphine-catalyzed [4+1] spiro-annulation reaction of allenyl imide and activated methylene cyclocompounds has been developed for the construction of various spiro-2-cyclopenten-1-ones. Oxindoles, 3-isochromanones, and 2-indanones are selected as 1C synthons to capture the in situ-generated bis-electrophilic α,β-unsaturated ketenyl phosphonium intermediate, affording the corresponding monospiro- and bispiro-cyclopentenones in good to excellent yields (≤91%) under mild conditions. The primary attempt at asymmetric catalysis using monophosphine (R)-SITCP provides promising enantioselectivity (45% ee). A plausible reaction mechanism is also proposed.
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Affiliation(s)
- Zi-Qiu Zhang
- Department of Chemistry, School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, Wuhan 430070, China
| | - Zhen-Kai Zhang
- Department of Chemistry, School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, Wuhan 430070, China
| | - Yu-Hao Wang
- Department of Chemistry, School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, Wuhan 430070, China
| | - Bo-Ting Chen
- Department of Chemistry, School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, Wuhan 430070, China
| | - Feng-Kai He
- Department of Chemistry, School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, Wuhan 430070, China
| | - Yi-Long Wang
- Department of Chemistry, School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, Wuhan 430070, China
| | - Tao Shu
- Department of Chemistry, School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, Wuhan 430070, China
| | - Yi-Yong Huang
- Department of Chemistry, School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, Wuhan 430070, China
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2
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Wang YP, Fang K, Tu YQ, Yin JJ, Zhao Q, Ke T. An efficient approach to angular tricyclic molecular architecture via Nazarov-like cyclization and double ring-expansion cascade. Nat Commun 2022; 13:2335. [PMID: 35484150 PMCID: PMC9050659 DOI: 10.1038/s41467-022-29947-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 03/17/2022] [Indexed: 01/13/2023] Open
Abstract
A modular and efficient method for constructing angular tri-carbocyclic architectures containing quaternary carbon center(s) from 1,3-dicycloalkylidenyl ketones is established, which involves an unconventional synergistic cascade of a Nazarov cyclization and two ring expansions. It features high selectivity, mild conditions and convenient operation, wide scope and easy availability of substrate. Substitution with R1 and R2 at the 4πe-system with electron-donating group favors this reaction, while that with electron-withdrawing group or proton disfavors. The electron-donating group as R1 directs the initial ring expansion at its own site, while the p-π- or n-π- associated substituent as R2 favors selectively the later ring expansion near its location because of the beneficial maintenance of an original conjugated system. The stereoselectivity has proved to be governed by either the steric effect of R3 and R4 at the expanded rings, or the migration ability of the migrating atom. Density Functional Theory calculation suggests the initial Nazarov cyclization would be the rate-determining step. A racemic total synthesis of the natural (±)-waihoensene is realized in 18 steps by use of this methodology.
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Affiliation(s)
- Yun-Peng Wang
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Kun Fang
- State Key Laboratory of Applied Organic Chemistry and College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, China
| | - Yong-Qiang Tu
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Jiao Tong University, Shanghai, 200240, China. .,State Key Laboratory of Applied Organic Chemistry and College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, China.
| | - Jun-Jie Yin
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Jiao Tong University, Shanghai, 200240, China.,A training graduate student from Harbin Institute of Technology, Shenzhen, 518055, China
| | - Qi Zhao
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Tian Ke
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Jiao Tong University, Shanghai, 200240, China
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3
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Zhang S, Vayer M, Noël F, Vuković VD, Golushko A, Rezajooei N, Rowley CN, Lebœuf D, Moran J. Unlocking the Friedel-Crafts arylation of primary aliphatic alcohols and epoxides driven by hexafluoroisopropanol. Chem 2021. [DOI: 10.1016/j.chempr.2021.10.023] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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4
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Huang G, Fang Y, Ni S, Li M, Dang L. Theoretical Study on NHC−Ag(I)/Au(I) Catalyzed Mobius Versus Wagner‐Meerwein Rearrangements of 2‐Methyl‐N‐methoxyaniline. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100456] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Guanglong Huang
- Department of Chemistry Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province Shantou University Guangdong 515063 P. R. China
| | - Yu‐Qi Fang
- Department of Chemistry Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province Shantou University Guangdong 515063 P. R. China
| | - Shao‐Fei Ni
- Department of Chemistry Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province Shantou University Guangdong 515063 P. R. China
| | - Ming‐De Li
- Department of Chemistry Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province Shantou University Guangdong 515063 P. R. China
| | - Li Dang
- Department of Chemistry Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province Shantou University Guangdong 515063 P. R. China
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5
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Chin YP, Krenske EH. Nazarov Cyclizations Catalyzed by BINOL Phosphoric Acid Derivatives: Quantum Chemistry Struggles To Predict the Enantioselectivity. J Org Chem 2021; 87:1710-1722. [PMID: 34634910 DOI: 10.1021/acs.joc.1c01823] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Quantum chemical calculations have successfully predicted the stereoselectivities of many BINOL phosphoric acid catalyzed reactions over the past 10-15 years. Herein we report a contrasting example: a reaction for which standard quantum chemistry techniques have proven unexpectedly ineffective at explaining the stereoselectivity. The Nazarov cyclizations of a divinyl ketone catalyzed by a BINOL phosphoric acid or H8-BINOL dithiophosphoric acid were studied with a conventional contemporary quantum chemical approach, consisting of transition state optimizations with B3LYP-D3(BJ) and single-point calculations with several functionals in implicit solvent. Unexpectedly, different functionals gave widely different predictions of the level of enantioselectivity and were unable even to agree on which enantiomer of the product would predominate. Molecular dynamics simulations with the OPLS-AA force field provided evidence that the transition state geometries optimized with DFT in the gas phase or in implicit solvent are not good representations of the true transition states of these reactions in solution. One possible reason for this, which may also explain the failure of quantum chemical techniques to reliably predict the enantioselectivity, is the fact that the transition states contain ion pairs which are not highly organized and do not contain any strongly directional noncovalent interactions between the substrate and the catalyst.
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Affiliation(s)
- Yuk Ping Chin
- School of Chemistry and Molecular Biosciences, The University of Queensland, St. Lucia, QLD 4072, Australia
| | - Elizabeth H Krenske
- School of Chemistry and Molecular Biosciences, The University of Queensland, St. Lucia, QLD 4072, Australia
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6
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Etling C, Tedesco G, Kalesse M. A Nazarov-Ene Tandem Reaction for the Stereoselective Construction of Spiro Compounds. Chemistry 2021; 27:9257-9262. [PMID: 33899295 PMCID: PMC8361765 DOI: 10.1002/chem.202101041] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Indexed: 02/06/2023]
Abstract
The different reactivity of trienones under Lewis and Brønsted acids catalysis was investigated, resulting in distinct cyclization products and carbon backbones that originated either from a conjugate Prins cyclization or an interrupted Nazarov cyclization. In particular, an unprecedented Nazarov cyclization tandem reaction is presented, terminating the oxyallyl cation by an ene‐type reaction, and leading stereoselectively to bicyclic spiro compounds. The terminal olefin of this motif represents a useful handle for further functionalization, making it a strategic intermediate in total syntheses. The tandem Nazarov/ene cyclization was shown to be preferred over a Nazarov/[3+2] tandem reaction for all our substrates, independent of chain length. Deuteration studies further support the mechanistic hypothesis of the terminating ene reaction.
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Affiliation(s)
- Christoph Etling
- Institute for Organic Chemistry, Gottfried Wilhelm Leibniz Universität Hannover, Schneiderberg 1B, 30167, Hannover, Germany
| | - Giada Tedesco
- Institute for Organic Chemistry, Gottfried Wilhelm Leibniz Universität Hannover, Schneiderberg 1B, 30167, Hannover, Germany
| | - Markus Kalesse
- Institute for Organic Chemistry, Gottfried Wilhelm Leibniz Universität Hannover, Schneiderberg 1B, 30167, Hannover, Germany.,Centre of Biomolecular Drug Research (BMWZ), Gottfried Wilhelm Leibniz Universität Hannover, Schneiderberg 38, 30167, Hannover, Germany.,Helmholtz Centre for Infection Research (HZI), Inhoffenstrasse 7, 38124, Braunschweig, Germany
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7
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Abstract
The defining feature of the Nazarov cyclization is a 4π-conrotatory electrocyclization, resulting in the stereospecific formation of functionalized cyclopentanones. The reaction provides access to structural motifs that are found in many natural products and drug targets. Harnessing the full potential of the Nazarov cyclization broadens its utility by enabling the development of new methodologies and synthetic strategies. To achieve these goals through efficient cyclization design, it is helpful to think of the reaction as a two-stage process. The first stage involves a 4π-electrocyclization leading to the formation of an allylic cation, and the second stage corresponds to the fate of this cationic intermediate. With a complete understanding of the discrete events that characterize the overall process, one can optimize reactivity and control the selectivity of the different Stage 2 pathways.In this Account, we describe the development of methods that render the Nazarov cyclization catalytic and chemoselective, focusing specifically on advances made in our lab between 2002 and 2015. The initial discovery made in our lab involved reactions of electronically asymmetric ("polarized") substrates, which cyclize efficiently in the catalytic regime using mild Lewis acidic reagents. These cyclizations also exhibit selective eliminative behavior, increasing their synthetic utility. Research directed toward catalytic asymmetric Nazarov cyclization led to the serendipitous discovery of a 4π-cyclization coupled to a well-behaved Wagner-Meerwein rearrangement, representing an underexplored Stage 2 process. With careful choice of promoter and loading, it is possible to access either the rearrangement or the elimination pathway. Additional experimental and computational studies provided an effective model for anticipating the migratory behavior of substiutents in the rearrangements. Problem-solving efforts prompted investigation of alternative methods for generating pentadienyl cation intermediates, including oxidation of allenol ethers and addition of nucleophiles to dienyl diketones. These Nazarov cyclization variants afford cyclopentenone products with vicinal stereogenic centers and a different arrangement of substituents around the ring. A nucleophilic addition/cyclization/elimination sequence can be executed enantioselectively using catalytic amounts of a nonracemic chiral tertiary amine.In summary, the discovery and development of several new variations on the Nazarov electrocyclization are described, along with synthetic applications. This work illustrates how strongly substitution patterns can impact the efficiency of the 4π-electrocyclization (Stage 1), allowing for mild Lewis acid catalysis. Over the course of these studies, we have also identified new ways to access the critical pentadienyl cation intermediates and demonstrated strategies that exploit and control the different cationic pathways available post-electrocyclization (Stage 2 processes). These advances in Nazarov chemistry were subsequently employed in the synthesis of natural product targets such as (±)-merrilactone A, (±)-rocaglamide, and (±)-enokipodin B.
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Affiliation(s)
- Alison J. Frontier
- Department of Chemistry, University of Rochester, Rochester, New York 14627, United States
| | - Jackson J. Hernandez
- Department of Chemistry, University of Rochester, Rochester, New York 14627, United States
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8
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Affiliation(s)
- Anton V. Yadykov
- N. D. Zelinsky Institute of Organic ChemistryRussian Academy of Sciences 47 Leninsky prosp., 119991 Moscow Russian Federation
| | - Valerii Z. Shirinian
- N. D. Zelinsky Institute of Organic ChemistryRussian Academy of Sciences 47 Leninsky prosp., 119991 Moscow Russian Federation
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9
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Jiang C, Lu H, Xu WH, Wu J, Yu TY, Xu PF, Wei H. Ni-Catalyzed 1,2-Acyl Migration Reactions Triggered by C–C Bond Activation of Ketones. ACS Catal 2019. [DOI: 10.1021/acscatal.9b04112] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Cheng Jiang
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi’an 710069, China
| | - Hong Lu
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi’an 710069, China
| | - Wen-Hua Xu
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi’an 710069, China
| | - Jianing Wu
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi’an 710069, China
| | - Tian-Yang Yu
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi’an 710069, China
| | - Peng-Fei Xu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Hao Wei
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi’an 710069, China
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10
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Saima B, Wang YA, Hussain R, Muhammad S, Ayub K. Thermal decomposition of syn- and anti-dihydropyrenes; functional group-dependent decomposition pathway. J Mol Model 2019; 25:215. [PMID: 31292739 DOI: 10.1007/s00894-019-4052-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Accepted: 04/24/2019] [Indexed: 10/26/2022]
Abstract
Syn and anti dihydropyrene (DHP) are excellent thermochromes, and therefore extensively studied for their thermochromic and photochromic properties, respectively. However, they suffer from thermal decomposition due to thermal instability. In this study, we thoroughly investigated pathways for the thermal decomposition of anti- and syn- dihydropyrenes through computational methods. The decomposition pathways include sigmatropic shift and hemolytic and heterolytic (cationic and anionic) cleavages. The decomposition pathway is influenced not only by the dihydropyrene (syn- or anti-) but also by the functional groups present. For anti-dihydropyrenes, sigmatropic shift is the most plausible pathways for CN and CHO internal groups. The cascade of sigmatropic shifts is followed by elimination to deliver substituted pyrenes. For CH3- and H- dihydropyrenes, hemolytic cleavage of the internal groups is the most plausible pathway for decomposition to pyrenes. The pathway is changed to heterolytic cleavage when the internal groups on the dihydropyrenes are Cl-, Br-, and SMe-. Comparison of the activation barriers for syn (30.18 kcal mol-1) and anti (32.10 kcal mol-1) dimethyldihydropyrenes for radical pathway reveal that decomposition of syn- DHP is more facile over anti-, which is consistent with the experimental observation. The decomposition pathway for syn-dihydropyrene is also hemolytic in cleavage when the internal groups are methyl and hydrogen. Syn-dihydropyrenes (symmetrical or unsymmetrical) bearing CN group do not follow sigmatropic shift, quite contrary to the anti-dihydropyrene. The lack of tendency of the syn-dihydropyrene for sigmatropic shift is rationalized on the planarity of the scaffold. The results of the theoretical study are consistent with the experimental observations. The results here help in understanding the behavior of substituents on the dihydropyrene scaffold, which will be useful in designing new molecules with improved thermal stabilities. Graphical abstract Functional group dependent decomposition pathways of dihydropyrenes.
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Affiliation(s)
- Bibi Saima
- Department of Chemistry, COMSATS University, Abbottabad Campus, Abbottabad, 22060, Pakistan
| | - Yan Alexander Wang
- Department of Chemistry, University of British Columbia, Vancouver, V6T 1Z1, Canada
| | - Riaz Hussain
- Department of Chemistry, University of Okara, Okara, Punjab, Pakistan
| | - Shabbir Muhammad
- Department of Physics, College of Science, King Khalid University, Abha, Saudi Arabia.,Research Center for Advanced Materials Science (RCAMS), King Khalid University, Abha, Saudi Arabia
| | - Khurshid Ayub
- Department of Chemistry, COMSATS University, Abbottabad Campus, Abbottabad, 22060, Pakistan.
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11
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González-Pérez AB, Villar P, de Lera AR. A Computational Study of Model Parent Systems and Reported Aza-(Iso)Nazarov/Aza-(Iso)Piancatelli Electrocyclic Reactions. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900103] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Adán B. González-Pérez
- University of Vigo; Department of Organic Chemistry and Center of Biomedical Research (CINBIO); Lagoas-Marcosende 36310 Vigo Spain
| | - Pedro Villar
- University of Vigo; Department of Organic Chemistry and Center of Biomedical Research (CINBIO); Lagoas-Marcosende 36310 Vigo Spain
| | - Angel R. de Lera
- University of Vigo; Department of Organic Chemistry and Center of Biomedical Research (CINBIO); Lagoas-Marcosende 36310 Vigo Spain
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12
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Holt C, Alachouzos G, Frontier AJ. Leveraging the Halo-Nazarov Cyclization for the Chemodivergent Assembly of Functionalized Haloindenes and Indanones. J Am Chem Soc 2019; 141:5461-5469. [DOI: 10.1021/jacs.9b00198] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Connor Holt
- Department of Chemistry, University of Rochester, 414 Hutchison Hall, 100 Trustee Road, Rochester, New York 14627-0216, United States
| | - Georgios Alachouzos
- Department of Chemistry, University of Rochester, 414 Hutchison Hall, 100 Trustee Road, Rochester, New York 14627-0216, United States
| | - Alison J. Frontier
- Department of Chemistry, University of Rochester, 414 Hutchison Hall, 100 Trustee Road, Rochester, New York 14627-0216, United States
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13
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Chen X, Wu C, Li J, Li Y. Chemoselectivity of Pinacol Rearrangement Originate by Different Hexafluoroantimonate Oxidant. Z Anorg Allg Chem 2018. [DOI: 10.1002/zaac.201800209] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Xiaoyu Chen
- Jiangsu Key Laboratory of Fire Safety in Urban Underground Space; School of Safety; China University of Mining and Technolog; 221116 Xuzhou P. R. China
| | - Chunlei Wu
- Jiangsu Key Laboratory of Fire Safety in Urban Underground Space; School of Safety; China University of Mining and Technolog; 221116 Xuzhou P. R. China
| | - Jia Li
- Jiangsu Key Laboratory of Fire Safety in Urban Underground Space; School of Safety; China University of Mining and Technolog; 221116 Xuzhou P. R. China
| | - Yue Li
- Jiangsu Key Laboratory of Fire Safety in Urban Underground Space; School of Safety; China University of Mining and Technolog; 221116 Xuzhou P. R. China
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14
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Marsili LA, Pergomet JL, Gandon V, Riveira MJ. Iodine-Catalyzed Iso-Nazarov Cyclization of Conjugated Dienals for the Synthesis of 2-Cyclopentenones. Org Lett 2018; 20:7298-7303. [PMID: 30403484 DOI: 10.1021/acs.orglett.8b03229] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Molecular iodine was identified as an efficient catalyst for the cycloisomerization of conjugated dienals to substituted 2-cyclopentenones. DFT calculations suggested an unexpected concerted character for this cyclization.
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Affiliation(s)
- Lucía A Marsili
- Instituto de Química Rosario, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario-CONICET , Suipacha 531 , S2002LRK , Rosario , Argentina
| | - Jorgelina L Pergomet
- Instituto de Química Rosario, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario-CONICET , Suipacha 531 , S2002LRK , Rosario , Argentina
| | - Vincent Gandon
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), CNRS UMR 8182, Univ Paris-Sud, Université Paris-Saclay , 91405 Orsay cedex , France.,Laboratoire de Chimie Moléculaire (LCM), CNRS UMR 9168, Ecole Polytechnique, Université Paris-Saclay , route de Saclay , 91128 Palaiseau cedex , France
| | - Martín J Riveira
- Instituto de Química Rosario, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario-CONICET , Suipacha 531 , S2002LRK , Rosario , Argentina
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15
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Jolit A, Dickinson CF, Kitamura K, Walleser PM, Yap GPA, Tius MA. Catalytic Enantioselective Nazarov Cyclization. European J Org Chem 2017. [DOI: 10.1002/ejoc.201701117] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Anais Jolit
- Chemistry Department; University of Hawaii at Manoa; 2545 The Mall 96822 Honolulu HI USA
| | - Cody F. Dickinson
- Chemistry Department; University of Hawaii at Manoa; 2545 The Mall 96822 Honolulu HI USA
| | - Kei Kitamura
- Chemistry Department; University of Hawaii at Manoa; 2545 The Mall 96822 Honolulu HI USA
| | - Patrick M. Walleser
- Chemistry Department; University of Hawaii at Manoa; 2545 The Mall 96822 Honolulu HI USA
| | - Glenn P. A. Yap
- Department of Chemistry and Biochemistry; University of Delaware; 236 Brown Laboratory 19716 Newark DE USA
| | - Marcus A. Tius
- Chemistry Department; University of Hawaii at Manoa; 2545 The Mall 96822 Honolulu HI USA
- University of Hawaii Cancer Center; 701 Ilalo Street 96813 Honolulu HI USA
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16
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Abstract
A novel synthetic procedure for meso-aryl-substituted corrphycenes has been developed. Suzuki-Miyaura coupling of α,α'-dibromodipyrrin with vic-diborylalkene and o-diborylbenzene afforded ethenylene- and phenylene-bridged bisdipyrrins, respectively, which were transformed to the corresponding corrphycenes upon treatment with palladium acetate. The bridging units significantly affect the macrocyclic π-conjugation circuits, thus changing the aromatic characters and absorption features of corrphycenes.
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Affiliation(s)
- Ryo Nozawa
- Department of Molecular and Macromolecular Chemistry, Graduate School of Engineering, Nagoya University , Nagoya 464-8603, Japan
| | - Hiroshi Shinokubo
- Department of Molecular and Macromolecular Chemistry, Graduate School of Engineering, Nagoya University , Nagoya 464-8603, Japan
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17
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Ateşin TA, Martinez GM, Flores D. It Is Not Just Up to the Substrate: Palladium(0) Cyclizes Nazarov Substrates through Intramolecular Allylic Alkylation. Organometallics 2017. [DOI: 10.1021/acs.organomet.7b00494] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Tülay A. Ateşin
- Department of Chemistry, The University of Texas Rio Grande Valley, Edinburg, Texas 78539-2999, United States
| | - Gabriela M. Martinez
- Department of Chemistry, The University of Texas Rio Grande Valley, Edinburg, Texas 78539-2999, United States
| | - David Flores
- Department of Chemistry, The University of Texas Rio Grande Valley, Edinburg, Texas 78539-2999, United States
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18
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Zhou X, Zhao Y, Cao Y, He L. Catalytic Efficient Nazarov Reaction of Unactivated Aryl Vinyl Ketones via a Bidentate Diiron Lewis Acid Activation Strategy. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201700820] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Xin Zhou
- School of Chemsitry and Chemical Engineering; Southwest University; Chongqing 400715 People's Republic of China
| | - Yukun Zhao
- School of Chemsitry and Chemical Engineering; Southwest University; Chongqing 400715 People's Republic of China
| | - Yang Cao
- School of Chemsitry and Chemical Engineering; Southwest University; Chongqing 400715 People's Republic of China
| | - Lirong He
- School of Chemsitry and Chemical Engineering; Southwest University; Chongqing 400715 People's Republic of China
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19
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Komatsuki K, Sadamitsu Y, Sekine K, Saito K, Yamada T. Stereospecific Decarboxylative Nazarov Cyclization Mediated by Carbon Dioxide for the Preparation of Highly Substituted 2-Cyclopentenones. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201705909] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Keiichi Komatsuki
- Department of Chemistry; Keio University; 3-14-1 Hiyoshi, Kohoku-ku Yokohama 223-8522 Japan
| | - Yuta Sadamitsu
- Department of Chemistry; Keio University; 3-14-1 Hiyoshi, Kohoku-ku Yokohama 223-8522 Japan
| | - Kohei Sekine
- Department of Chemistry; Keio University; 3-14-1 Hiyoshi, Kohoku-ku Yokohama 223-8522 Japan
| | - Kodai Saito
- Department of Chemistry; Keio University; 3-14-1 Hiyoshi, Kohoku-ku Yokohama 223-8522 Japan
| | - Tohru Yamada
- Department of Chemistry; Keio University; 3-14-1 Hiyoshi, Kohoku-ku Yokohama 223-8522 Japan
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20
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Komatsuki K, Sadamitsu Y, Sekine K, Saito K, Yamada T. Stereospecific Decarboxylative Nazarov Cyclization Mediated by Carbon Dioxide for the Preparation of Highly Substituted 2-Cyclopentenones. Angew Chem Int Ed Engl 2017; 56:11594-11598. [DOI: 10.1002/anie.201705909] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2017] [Indexed: 11/07/2022]
Affiliation(s)
- Keiichi Komatsuki
- Department of Chemistry; Keio University; 3-14-1 Hiyoshi, Kohoku-ku Yokohama 223-8522 Japan
| | - Yuta Sadamitsu
- Department of Chemistry; Keio University; 3-14-1 Hiyoshi, Kohoku-ku Yokohama 223-8522 Japan
| | - Kohei Sekine
- Department of Chemistry; Keio University; 3-14-1 Hiyoshi, Kohoku-ku Yokohama 223-8522 Japan
| | - Kodai Saito
- Department of Chemistry; Keio University; 3-14-1 Hiyoshi, Kohoku-ku Yokohama 223-8522 Japan
| | - Tohru Yamada
- Department of Chemistry; Keio University; 3-14-1 Hiyoshi, Kohoku-ku Yokohama 223-8522 Japan
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21
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Manchala N, Law HYL, Kerr DJ, Volpe R, Lepage RJ, White JM, Krenske EH, Flynn BL. Multistereocenter-Containing Cyclopentanoids from Ynamides via Oxazolidinone-Controlled Nazarov Cyclization. J Org Chem 2017; 82:6511-6527. [PMID: 28511015 DOI: 10.1021/acs.joc.7b00082] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Achieving ready-enantioselective access to multistereocenter-containing cyclopentyl rings is an area of great significance to organic synthesis. In this work, we describe a general protocol for accessing multistereocenter-containing cyclopentanoids from simple N-alkynyloxazolidinones (Ox-ynamides). This protocol involves conversion of Ox-ynamides into Ox-activated divinyl and aryl vinyl ketones that undergo facile Nazarov cyclization with excellent chemo-, regio-, and stereocontrol. The Ox auxiliary directs all aspects of reactivity and selectivity, both in the electrocyclization and in the subsequent transformations of the resulting oxyallyl intermediate. Stereoinduction in the electrocyclization results from a "coupled-torque" mechanism in which rotation of the Ox group, driven by increasing orbital overlap of the nitrogen lone pair with the incipient oxyallyl cation, is coupled with the rotation of the termini of the pentadienyl cation, favoring a particular direction of conrotatory ring closure (torquoselectivity). The associated lone-pair stabilization of the transition state by Ox promotes cyclization of traditionally resistant substrates, broadening the scope of this asymmetric Nazarov cyclization. The Ox group also facilitates the stereo- and regioselective incorporation of nucleophiles (Nu) and dienes, giving more complex, multistereocenter containing cyclopentanoids. Finally, the Ox group is readily removed and recovered or can be converted into other amine functionalities.
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Affiliation(s)
- Narasimhulu Manchala
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University , 381 Royal Parade, Parkville, Victoria 3052, Australia
| | - Hanson Y L Law
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University , 381 Royal Parade, Parkville, Victoria 3052, Australia
| | - Daniel J Kerr
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University , 381 Royal Parade, Parkville, Victoria 3052, Australia
| | - Rohan Volpe
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University , 381 Royal Parade, Parkville, Victoria 3052, Australia
| | - Romain J Lepage
- School of Chemistry and Molecular Biosciences, The University of Queensland , Brisbane, Queensland 4072, Australia
| | - Jonathan M White
- Bio21 Institute, School of Chemistry, University of Melbourne , Parkville, Victoria 3010, Australia
| | - Elizabeth H Krenske
- School of Chemistry and Molecular Biosciences, The University of Queensland , Brisbane, Queensland 4072, Australia
| | - Bernard L Flynn
- Medicinal Chemistry, Monash Institute of Pharmaceutical Sciences, Monash University , 381 Royal Parade, Parkville, Victoria 3052, Australia
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22
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Vinogradov MG, Turova OV, Zlotin SG. Nazarov reaction: current trends and recent advances in the synthesis of natural compounds and their analogs. Org Biomol Chem 2017; 15:8245-8269. [DOI: 10.1039/c7ob01981e] [Citation(s) in RCA: 81] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Recent applications of the Nazarov reaction to stereoselective synthesis of pharmacology-relevant cyclopentenone scaffolds are summarized.
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Affiliation(s)
- Maxim G. Vinogradov
- N.D. Zelinsky Institute of Organic Chemistry
- Russian Academy of Sciences
- 119991 Moscow
- Russian Federation
| | - Olga V. Turova
- N.D. Zelinsky Institute of Organic Chemistry
- Russian Academy of Sciences
- 119991 Moscow
- Russian Federation
| | - Sergei G. Zlotin
- N.D. Zelinsky Institute of Organic Chemistry
- Russian Academy of Sciences
- 119991 Moscow
- Russian Federation
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23
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Huang HM, Bonilla P, Procter DJ. Selective construction of quaternary stereocentres in radical cyclisation cascades triggered by electron-transfer reduction of amide-type carbonyls. Org Biomol Chem 2017; 15:4159-4164. [DOI: 10.1039/c7ob00739f] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Radical cyclisation cascades triggered by electron-transfer to amide-type carbonyls using SmI2–H2O–LiBr, result in the selective construction of quaternary carbon stereocentres.
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Affiliation(s)
| | - Pablo Bonilla
- School of Chemistry
- University of Manchester
- Manchester
- UK
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24
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Lebœuf D, Marin L, Michelet B, Perez-Luna A, Guillot R, Schulz E, Gandon V. Harnessing the Lewis Acidity of HFIP through its Cooperation with a Calcium(II) Salt: Application to the Aza-Piancatelli Reaction. Chemistry 2016; 22:16165-16171. [DOI: 10.1002/chem.201603592] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2016] [Indexed: 01/05/2023]
Affiliation(s)
- David Lebœuf
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO); CNRS UMR 8182; Université Paris-Sud; Université Paris-Saclay; Bâtiment 420 91405 Orsay cedex France
| | - Lucile Marin
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO); CNRS UMR 8182; Université Paris-Sud; Université Paris-Saclay; Bâtiment 420 91405 Orsay cedex France
| | - Bastien Michelet
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO); CNRS UMR 8182; Université Paris-Sud; Université Paris-Saclay; Bâtiment 420 91405 Orsay cedex France
| | - Alejandro Perez-Luna
- Sorbonne Universités; UPMC Univ. Paris 6; Institut Parisien de Chimie Moléculaire (IPCM); CNRS UMR 8232; 4, place Jussieu 75005 Paris France
| | - Régis Guillot
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO); CNRS UMR 8182; Université Paris-Sud; Université Paris-Saclay; Bâtiment 420 91405 Orsay cedex France
| | - Emmanuelle Schulz
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO); CNRS UMR 8182; Université Paris-Sud; Université Paris-Saclay; Bâtiment 420 91405 Orsay cedex France
| | - Vincent Gandon
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO); CNRS UMR 8182; Université Paris-Sud; Université Paris-Saclay; Bâtiment 420 91405 Orsay cedex France
- Institut de Chimie des Substances Naturelles (ICSN); CNRS UPR 2301; Université Paris-Sud; Université Paris-Saclay; 1, av. de la Terrasse 91198 Gif-sur-Yvette France
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25
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Jana N, Driver TG. Assembly of functionalized carbocycles or N-heterocycles through a domino electrocyclization-[1,2] migration reaction sequence. Org Biomol Chem 2016; 13:9720-41. [PMID: 26275170 DOI: 10.1039/c5ob01334h] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The development of processes that streamline the synthesis of complex, functionalized carbocycles and heterocycles remains a hotly pursued topic because their scaffolds are present in a range of bioactive molecules and electronic materials. Although the Nazarov reaction has emerged to be useful in the synthesis of carbocycles and heterocycles, using an electrocyclization to trigger a migration remains underdeveloped. By constructing several bonds in one operation, domino reaction sequences are particularly effective at improving the efficiency of synthesis. The use of transition metal catalysts has the potential to render these processes stereoselective. This review examines the use of electrocyclization-[1,2] migrations to construct molecules and is organized by the type of ring constructed and the order of the two steps in this process.
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Affiliation(s)
- Navendu Jana
- University of Illinois at Chicago, Department of Chemistry, 845 West Taylor Street, Chicago, IL 60607, USA.
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26
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Carmichael RA, Chalifoux WA. Multicomponent Double Diels–Alder/Nazarov Tandem Cyclization of Symmetric Cross‐Conjugated Diynones to Generate [6‐5‐6] Tricyclic Products. Chemistry 2016; 22:8781-5. [DOI: 10.1002/chem.201601850] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Indexed: 12/19/2022]
Affiliation(s)
- Rachael A. Carmichael
- Department of Chemistry University of Nevada, Reno 1664 N. Virginia St. Reno NV 89557 USA
| | - Wesley A. Chalifoux
- Department of Chemistry University of Nevada, Reno 1664 N. Virginia St. Reno NV 89557 USA
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27
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Morcillo SP, Presset M, Floquet S, Coeffard V, Greck C, Bour C, Gandon V. Site-Selective Calcium-Catalyzed/Organocatalyzed Condensation of Propargyl Alcohols Tethered to β-Keto Esters. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600394] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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28
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Sudhakar G, Raghavaiah J, Mahesh G, Singarapu KK. Nazarov cyclization of divinyl ketones bearing an ester group at the β-position: a remarkable effect of α-substitution and alkene geometry on regioselectivity. Org Biomol Chem 2016; 14:2866-72. [DOI: 10.1039/c6ob00081a] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The Nazarov cyclization of divinyl ketones with an ester at the β-position was examined with particular reference to where the cyclic double bond forms.
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Affiliation(s)
- Gangarajula Sudhakar
- CPC (Organic Chemistry-II) Division
- CSIR-Indian Institute of Chemical Technology
- Hyderabad-500007
- India
- Academy of Scientific and Innovative Research
| | - Jakka Raghavaiah
- CPC (Organic Chemistry-II) Division
- CSIR-Indian Institute of Chemical Technology
- Hyderabad-500007
- India
- Academy of Scientific and Innovative Research
| | - Gaddam Mahesh
- CPC (Organic Chemistry-II) Division
- CSIR-Indian Institute of Chemical Technology
- Hyderabad-500007
- India
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29
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Omori H, Hiroto S, Shinokubo H. The synthesis of NiII and AlIII 10-azacorroles through coordination-induced cyclisation involving 1,2-migration. Chem Commun (Camb) 2016; 52:3540-3. [DOI: 10.1039/c5cc10247b] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We have synthesized NiII and AlIII 10-azacorroles through coordination-induced cyclisation of nitrogen-bridged bisdipyrrins. The α-substituent (X = Br or Ph) shifted to the adjacent β-position during cyclisation.
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Affiliation(s)
- Hiroto Omori
- Department of Applied Chemistry
- Graduate School of Engineering
- Nagoya University
- Nagoya
- Japan
| | - Satoru Hiroto
- Department of Applied Chemistry
- Graduate School of Engineering
- Nagoya University
- Nagoya
- Japan
| | - Hiroshi Shinokubo
- Department of Applied Chemistry
- Graduate School of Engineering
- Nagoya University
- Nagoya
- Japan
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30
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Computational Mechanism Study of Catalyst-Dependent Competitive 1,2-C→C, −O→C, and −N→C Migrations from β-Methylene-β-silyloxy-β-amido-α-diazoacetate: Insight into the Origins of Chemoselectivity. ACS Catal 2015. [DOI: 10.1021/acscatal.5b02103] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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31
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32
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Takeda T, Harada S, Nishida A. Catalytic Asymmetric Nazarov Cyclization of Heteroaryl Vinyl Ketones through a Crystallographically Defined Chiral Dinuclear Nickel Complex. Org Lett 2015; 17:5184-7. [DOI: 10.1021/acs.orglett.5b02497] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Takuya Takeda
- Graduate
School of Pharmaceutical Sciences, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8675, Japan
| | - Shinji Harada
- Graduate
School of Pharmaceutical Sciences, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8675, Japan
- Molecular
Chirality Research Center, Chiba University, 1-33 Yayoi-cho,
Inage-ku, Chiba 263-8522, Japan
| | - Atsushi Nishida
- Graduate
School of Pharmaceutical Sciences, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba 260-8675, Japan
- Molecular
Chirality Research Center, Chiba University, 1-33 Yayoi-cho,
Inage-ku, Chiba 263-8522, Japan
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33
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Sheikh NS. 4π electrocyclisation in domino processes: contemporary trends and synthetic applications towards natural products. Org Biomol Chem 2015; 13:10774-96. [PMID: 26440536 DOI: 10.1039/c5ob01703c] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Recent most instructive and reliable literature reports which deal with domino processes involving conrotatory 4π electrocyclic reactions, along with a precise mechanistic insight and latest synthetic applications towards biologically active natural products are concisely reviewed. To inspire further research in this domain, a real insight into the overarching emerging themes and potential imminent prospects is also provided.
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Affiliation(s)
- Nadeem S Sheikh
- Department of Chemistry, Faculty of Science, King Faisal University, P.O. Box 380, Al-Ahsa 31982, Saudi Arabia.
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34
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Asari AH, Lam YH, Tius MA, Houk KN. Origins of the Stereoselectivity in a Thiourea–Primary Amine-Catalyzed Nazarov Cyclization. J Am Chem Soc 2015; 137:13191-9. [DOI: 10.1021/jacs.5b08969] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Austin H. Asari
- Department
of Chemistry and Biochemistry, University of California, Los Angeles, California 90095-1569, United States
| | - Yu-hong Lam
- Department
of Chemistry and Biochemistry, University of California, Los Angeles, California 90095-1569, United States
| | - Marcus A. Tius
- Department
of Chemistry, University of Hawaii at Manoa, Honolulu, Hawaii 96822, United States
- The Cancer Research Center of Hawaii, Honolulu, Hawaii 96813, United States
| | - K. N. Houk
- Department
of Chemistry and Biochemistry, University of California, Los Angeles, California 90095-1569, United States
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35
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Kwon Y, Schatz DJ, West FG. 1,4-Diketones from Cross-Conjugated Dienones: Potassium Permanganate-Interrupted Nazarov Reaction. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201503696] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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36
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Kwon Y, Schatz DJ, West FG. 1,4‐Diketones from Cross‐Conjugated Dienones: Potassium Permanganate‐Interrupted Nazarov Reaction. Angew Chem Int Ed Engl 2015; 54:9940-3. [DOI: 10.1002/anie.201503696] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2015] [Indexed: 11/06/2022]
Affiliation(s)
- Yonghoon Kwon
- Department of Chemistry, University of Alberta, E3‐43 Gunning‐Lemieux Chemistry Centre, Edmonton, Alberta, T6G 2G2 (Canada)
| | - Devon J. Schatz
- Department of Chemistry, University of Alberta, E3‐43 Gunning‐Lemieux Chemistry Centre, Edmonton, Alberta, T6G 2G2 (Canada)
| | - Frederick G. West
- Department of Chemistry, University of Alberta, E3‐43 Gunning‐Lemieux Chemistry Centre, Edmonton, Alberta, T6G 2G2 (Canada)
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37
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Patel A, West FG, Houk KN. Reactivity and Stereoselectivity of 6π and Nazarov Electrocyclizations of Bridged Bicyclic Trienes and Divinyl Ketones. J Org Chem 2015; 80:2790-5. [DOI: 10.1021/acs.joc.5b00070] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ashay Patel
- Department
of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
| | - F. G. West
- Department
of Chemistry, University of Alberta, Edmonton, AB T6G 2G2, Canada
| | - K. N. Houk
- Department
of Chemistry and Biochemistry, University of California, Los Angeles, California 90095, United States
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38
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Kong C, Driver TG. Rh2(II)-Catalyzed Ester Migration to Afford 3H-Indoles from Trisubstituted Styryl Azides. Org Lett 2015; 17:802-5. [PMID: 25642741 DOI: 10.1021/ol503541z] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Chen Kong
- Department
of Chemistry, University of Illinois at Chicago, 845 West Taylor
Street, Chicago, Illinois 60607, United States
| | - Tom G. Driver
- Department
of Chemistry, University of Illinois at Chicago, 845 West Taylor
Street, Chicago, Illinois 60607, United States
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39
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Long R, Huang J, Gong J, Yang Z. Direct construction of vicinal all-carbon quaternary stereocenters in natural product synthesis. Nat Prod Rep 2015; 32:1584-601. [DOI: 10.1039/c5np00046g] [Citation(s) in RCA: 168] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Molecules containing vicinal all-carbon quaternary stereocenters are found in many secondary metabolites, and they exhibit a variety of biological and pharmacological activities.
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Affiliation(s)
- Rong Long
- Laboratory of Chemical Genomics
- School of Chemical Biology and Biotechnology
- Peking University Shenzhen Graduate School
- Shenzhen 518055
- China
| | - Jun Huang
- Laboratory of Chemical Genomics
- School of Chemical Biology and Biotechnology
- Peking University Shenzhen Graduate School
- Shenzhen 518055
- China
| | - Jianxian Gong
- Laboratory of Chemical Genomics
- School of Chemical Biology and Biotechnology
- Peking University Shenzhen Graduate School
- Shenzhen 518055
- China
| | - Zhen Yang
- Laboratory of Chemical Genomics
- School of Chemical Biology and Biotechnology
- Peking University Shenzhen Graduate School
- Shenzhen 518055
- China
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40
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Xu Z, Ren H, Wang L, Tang Y. Efficient catalytic enantioselective Nazarov cyclizations of divinyl ketoesters. Org Chem Front 2015. [DOI: 10.1039/c5qo00099h] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient catalytic enantioselective Nazarov cyclization of divinyl ketoesters is developed using a BOX/Cu(ii) catalyst, affording various optically active cyclopent-2-enone esters.
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Affiliation(s)
- Zhou Xu
- State Key Laboratory of Organometallic Chemistry
- Shanghai Institute of Organic Chemistry
- Chinese Academy of Sciences
- Shanghai 200032
- China
| | - Hai Ren
- State Key Laboratory of Organometallic Chemistry
- Shanghai Institute of Organic Chemistry
- Chinese Academy of Sciences
- Shanghai 200032
- China
| | - Lijia Wang
- State Key Laboratory of Organometallic Chemistry
- Shanghai Institute of Organic Chemistry
- Chinese Academy of Sciences
- Shanghai 200032
- China
| | - Yong Tang
- State Key Laboratory of Organometallic Chemistry
- Shanghai Institute of Organic Chemistry
- Chinese Academy of Sciences
- Shanghai 200032
- China
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41
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Raja S, Nakajima M, Rueping M. Experimental and computational study of the catalytic asymmetric 4π-electrocyclization of N-heterocycles. Angew Chem Int Ed Engl 2014; 54:2762-5. [PMID: 25533025 DOI: 10.1002/anie.201408020] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2014] [Revised: 11/05/2014] [Indexed: 11/12/2022]
Abstract
The first asymmetric metal-catalyzed Nazarov cyclization of N-heterocycles has been developed. The use of a chiral catalyst allows the enantioselective electrocyclization of N-heterocycles under mild conditions and the corresponding products are obtained in good yields with excellent enantio- and diastereoselectivity. The reaction mechanism and the absolute configuration of the obtained products are explained by means of computational studies.
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Affiliation(s)
- Sadiya Raja
- Institut of Organic Chemistry, RWTH Aachen, Landoltweg 1, 52074 Aachen (Germany)
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42
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Raja S, Nakajima M, Rueping M. Experimentelle und theoretische Untersuchungen zur katalytischen asymmetrischen 4π-Elektrocyclisierung von N-Heterocyclen. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201408020] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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43
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Affiliation(s)
- David Lebœuf
- Université Paris-Sud, Institut de Chimie Moléculaire
et des Matériaux (UMR 8182), Equipe de Catalyse Moléculaire, 91405 Orsay, France
- CNRS, 91405 Orsay, France
| | - Emmanuelle Schulz
- Université Paris-Sud, Institut de Chimie Moléculaire
et des Matériaux (UMR 8182), Equipe de Catalyse Moléculaire, 91405 Orsay, France
- CNRS, 91405 Orsay, France
| | - Vincent Gandon
- Université Paris-Sud, Institut de Chimie Moléculaire
et des Matériaux (UMR 8182), Equipe de Catalyse Moléculaire, 91405 Orsay, France
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44
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Zhu YP, Cai Q, Jia FC, Liu MC, Gao QH, Meng XG, Wu AX. Electronic tuning cyclization of aryl-1,4-enediones: AlCl3-mediated Nazarov-type cyclization to synthesize polysubstituted-1-indanones. Tetrahedron 2014. [DOI: 10.1016/j.tet.2014.10.052] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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45
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Wenz DR, Read de Alaniz J. The Nazarov Cyclization: A Valuable Method to Synthesize Fully Substituted Carbon Stereocenters. European J Org Chem 2014. [DOI: 10.1002/ejoc.201402825] [Citation(s) in RCA: 126] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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46
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Jolit A, Walleser PM, Yap GPA, Tius MA. Catalytic Enantioselective Nazarov Cyclization: Construction of Vicinal All-Carbon-Atom Quaternary Stereocenters. Angew Chem Int Ed Engl 2014; 53:6180-3. [DOI: 10.1002/anie.201403587] [Citation(s) in RCA: 104] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2014] [Indexed: 11/06/2022]
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47
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Jolit A, Walleser PM, Yap GPA, Tius MA. Catalytic Enantioselective Nazarov Cyclization: Construction of Vicinal All-Carbon-Atom Quaternary Stereocenters. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201403587] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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48
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Wu YK, West FG. Formal Homologous Aldol Reactions: Interrupting the Nazarov Cyclization via Carboalkoxylation of Alkynes. Org Lett 2014; 16:2534-7. [DOI: 10.1021/ol500914a] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Yen-Ku Wu
- Department
of Chemistry, University of Alberta, E3-43 Gunning-Lemieux Chemistry
Center, Edmonton, AB T6G
2G2, Canada
| | - F. G. West
- Department
of Chemistry, University of Alberta, E3-43 Gunning-Lemieux Chemistry
Center, Edmonton, AB T6G
2G2, Canada
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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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Scadeng O, West FG. Ready Access to Alkylidenecyclopentenones by Nazarov Cyclization/β-Elimination of 2-Hydroxyalkyl-1,4-dien-3-ones. European J Org Chem 2014. [DOI: 10.1002/ejoc.201301537] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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