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Enantioselective cyclopropanation of conjugated cyanosulfones using carbohydrate-based crown ether catalysts. Tetrahedron 2020. [DOI: 10.1016/j.tet.2020.130965] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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2
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Amiri A, Emamian S, Hosseini SJ, Ali‐Asgari S. Stereoselective cyclopropanation of olefins through ammonium ylides: A molecular electron density theory study. J PHYS ORG CHEM 2019. [DOI: 10.1002/poc.4008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Arash Amiri
- Chemistry DepartmentIslamic Azad University, Shahrood Branch Shahrood Iran
| | - Saeedreza Emamian
- Chemistry DepartmentIslamic Azad University, Shahrood Branch Shahrood Iran
| | | | - Safa Ali‐Asgari
- Chemistry DepartmentIslamic Azad University, Shahrood Branch Shahrood Iran
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3
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Pan D, Wei Y, Shi M. Rh(II)-Catalyzed Chemoselective Oxidative Amination and Cyclization Cascade of 1-(Arylethynyl)cycloalkyl)methyl Sulfamates. Org Lett 2017; 19:3584-3587. [DOI: 10.1021/acs.orglett.7b01558] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Dong Pan
- State Key Laboratory of Organometallic
Chemistry, University of Chinese Academy of Sciences, Shanghai Institute
of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Yin Wei
- State Key Laboratory of Organometallic
Chemistry, University of Chinese Academy of Sciences, Shanghai Institute
of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Min Shi
- State Key Laboratory of Organometallic
Chemistry, University of Chinese Academy of Sciences, Shanghai Institute
of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
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4
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Georgieva MK, Duarte FJS, Santos AG. Directed electrostatic activation in enantioselective organocatalytic cyclopropanation reactions: a computational study. Org Biomol Chem 2016; 14:5965-82. [PMID: 27223461 DOI: 10.1039/c6ob00748a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Cyclopropane rings are versatile building blocks in organic chemistry. Their synthesis, by the reaction of sulfur ylides with α,β-unsaturated carbonyl compounds, has recently aroused renewed interest after the discovery of efficient catalysis by using (S)-indoline-2-carboxylic acid. In order to rationalize the behavior of this catalyst, MacMillan proposed a directed electrostatic activation (DEA) mechanism, in which the negative carboxylate group interacts with the positive thionium moiety, thus reducing the activation energy and increasing the reaction rate. More recently, Mayr refuted some of MacMillan conclusions, but accepted the DEA mechanism as a justification for the experimental high reaction rates. In contrast, our results indicate that the selectivity obtained in the process seems to result from several strong hydrogen bond interactions between the two reacting species, while no strong evidence for a DEA mechanism was found. We also concluded that the hydrogen bonds don't improve the reaction rate by lowering the activation energy of the rate-determining step, but can do it by promoting efficient reaction trajectories due to long-range complexation of the reagents. Finally, our results confirm that the cyclopropanation reaction occurs by a two-step mechanism, and that the overall enantioselectivity depends on the relative energies of the two steps, averaged by the relative populations of the iminium intermediates that are initially formed in the reaction.
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Affiliation(s)
- Miglena K Georgieva
- LAQV-REQUIMTE, Department of Chemistry, Faculty of Science and Technology, Universidade NOVA de Lisboa, 2829-516 Caparica, Portugal.
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5
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Yin J, Linker T. Recent advances in the stereoselective synthesis of carbohydrate 2-C-analogs. Org Biomol Chem 2012; 10:2351-62. [PMID: 22311080 DOI: 10.1039/c2ob06529k] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
C-branched carbohydrates are of current interest for glycochemistry, are widely found in nature and serve as important subunits in many antibiotics, bacterial polysaccharides and macrolides. Among C-functionalized saccharides, 2-C-branched carbohydrates represent challenging structures for synthetic chemists, since in contrast to C-glycosides they are not easily accessible from glycosyl bromides or other simple precursors. In this perspective we want to summarize recent approaches to 2-C-branched carbohydrates over the past fifteen years. The two main strategies are based on ring-opening of 1,2-cyclopropanated carbohydrates by various reagents, as well as radical additions to glycals and further transformations, developed in our group. Both methods are characterized by high stereoselectivities and good yields and give access to a broad variety of functionalized carbohydrate 2-C-analogs.
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Affiliation(s)
- Jian Yin
- The Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Lihu Avenue 1800, 214122 Wuxi, China
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6
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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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7
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Leemans E, D’hooghe M, De Kimpe N. Ring Expansion of Cyclobutylmethylcarbenium Ions to Cyclopentane or Cyclopentene Derivatives and Metal-Promoted Analogous Rearrangements. Chem Rev 2011; 111:3268-333. [DOI: 10.1021/cr100295j] [Citation(s) in RCA: 115] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Erika Leemans
- Department of Sustainable Organic Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium
| | - Matthias D’hooghe
- Department of Sustainable Organic Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium
| | - Norbert De Kimpe
- Department of Sustainable Organic Chemistry and Technology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, B-9000 Ghent, Belgium
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8
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Shi M, Shao LX, Lu JM, Wei Y, Mizuno K, Maeda H. Chemistry of vinylidenecyclopropanes. Chem Rev 2011; 110:5883-913. [PMID: 20518460 DOI: 10.1021/cr900381k] [Citation(s) in RCA: 159] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Min Shi
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, PR China.
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9
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10
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Abramovitch A, Fensterbank L, Malacria M, Marek I. Convergent Preparation of Enantiomerically Pure Polyalkylated Cyclopropane Derivatives. Angew Chem Int Ed Engl 2008; 47:6865-8. [DOI: 10.1002/anie.200802093] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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11
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Abramovitch A, Fensterbank L, Malacria M, Marek I. Convergent Preparation of Enantiomerically Pure Polyalkylated Cyclopropane Derivatives. Angew Chem Int Ed Engl 2008. [DOI: 10.1002/ange.200802093] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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12
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An Y, Liu J, Jiang HY, Wang Y, Chen Z. A convenient new method to construct 1-alkynyl cyclopropanol and its synthetic application to prepare trisubstituted dienones. Tetrahedron Lett 2008. [DOI: 10.1016/j.tetlet.2008.03.041] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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13
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Quan LG, Lee HG, Cha JK. Acid- and Pd(0)-Catalyzed Ring Opening of 1-(1-Cycloalkenyl)cyclopropyl Sulfonates. Org Lett 2007; 9:4439-42. [PMID: 17902680 DOI: 10.1021/ol701653x] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We report herein facile acid-catalyzed isomerization of 1-(1'-cycloalkenyl)cyclopropyl sulfonates under mild conditions. The remarkable ease of ring opening is attributed to the presence of a 1'-alkyl substituent. Also included is a palladium-catalyzed ring opening reaction of 1-(1'-cycloalkenyl)cyclopropyl tosylates for convenient preparation of substituted 1,3-dienylamines, which complements previously reported nucleophilic substitution reactions of (1-vinyl)cyclopropyl tosylates.
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Affiliation(s)
- Long Guo Quan
- Department of Chemistry, Yanbian University, Yanji, 133002, Jilin, China
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14
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Ethirajan M, Oh HS, Cha JK. Formation of five-membered carbocycles by intramolecular palladium-catalyzed ring opening of tert-cyclobutanols. Org Lett 2007; 9:2693-6. [PMID: 17579447 DOI: 10.1021/ol070985q] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We report herein stereoselective formation of a functionalized five-membered carbocycle bearing a quaternary center by intramolecular palladium-catalyzed ring-opening of o-bromophenyl-tethered tert-cyclobutanols.
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Affiliation(s)
- Manivannan Ethirajan
- Department of Chemistry, Wayne State University, 5101 Cass Avenue, Detroit, MI 48202, USA
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15
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Zhong J, Guo H, Wang M, Yin M, Wang M. Asymmetric diethylzinc addition and phenyl transfer to aldehydes using chiral cis-cyclopropane-based amino alcohols. ACTA ACUST UNITED AC 2007. [DOI: 10.1016/j.tetasy.2007.03.006] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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16
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Abstract
Small ring systems are important topics in both organic and inorganic chemistry, and draw considerable attention from both theoretical and preparative perspectives. This review intends to summarize the studies, focusing on the preparative aspects, that have been carried out in our laboratory. Namely, synthesis of (+)- and (-)-alpha-cuparenone, (+)-ipomeamarone, (+)-epiipomeamarone, (-)-ngaione, (-)-alpha-bisabolol, (-)-aplysin, (-)-debromoaplysin, (-)-mesembrine, (-)-filiformin, (-)-debromofiliformin, and (-)-4-deoxyverrucarol via successive asymmetric epoxidation and enantiospecific ring expansion of cyclopropylidenes, (+)-equilenin via successive ring expansion-insertion reaction, estrone, estradiol, chenodeoxycholic acid, 19-norspironolactone, 19-nordeoxycorticosterone, cortisone, adrenosterone, 11-oxoprogesterone, and 1alpha,25-dihydroxyvitamin D3 via intramolecular cycloaddition reaction of o-quinodimethanes. Medicinal chemistry aiming at developing a new type of anti-influenza agent, novel reaction mode of electrocyclic reaction, and substituent effect on that reaction are also discussed.
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Affiliation(s)
- Hideo Nemoto
- Faculty of Pharmaceutical Sciences, University of Toyama, Sugitani, Japan.
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17
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Barluenga J, Pérez-Sánchez I, Suero MG, Rubio E, Flórez J. Diastereoselective multicomponent cyclizations of Fischer carbene complexes, lithium enolates, and allylmagnesium bromide leading to highly substituted five- and six-membered carbocycles. Chemistry 2006; 12:7225-35. [PMID: 16927270 DOI: 10.1002/chem.200600491] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
The one-pot sequential reaction of a chromium alkoxycarbene complex, a ketone or ester lithium enolate, and allylmagnesium bromide enabled the selective synthesis of novel diastereomerically pure pentasubstituted cyclopentanols or tetrasubstituted 1,4-cyclohexanediols, depending on the degree of substitution at the Cbeta position of the enolate anion. A few exceptions have been encountered in which tetrasubstituted cyclopentanols or pentasubstituted 1,4-cyclohexanediols were selectively formed. The use of 2-iodoethoxycarbene complexes gave access to 1,2,4-cyclohexanetriols. These multicomponent-coupling reactions involved the formation of lithium alkylpentacarbonylchromates as key intermediates, which further evolved through intramolecular processes, such as insertion of an alkene, CO insertion or addition to a carbonyl group, and, moreover, could be trapped in intermolecular reactions with different electrophiles and styrene. The substitution pattern of the alkylchromate carbon chain has been proposed to control the nature of the annulation process.
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Affiliation(s)
- José Barluenga
- Instituto Universitario de Química Organometálica "Enrique Moles", Unidad Asociada al CSIC, Universidad de Oviedo Julián Clavería 8, 33006 Oviedo, Spain.
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18
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Epstein OL, Lee S, Cha JK. Formation of Seven-Membered Carbocycles by the Use of Cyclopropyl Silyl Ethers as Homoenols. Angew Chem Int Ed Engl 2006; 45:4988-91. [PMID: 16819740 DOI: 10.1002/anie.200601011] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Oleg L Epstein
- Department of Chemistry, Wayne State University, Detroit, MI 48202, USA
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19
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Epstein OL, Lee S, Cha JK. Formation of Seven-Membered Carbocycles by the Use of Cyclopropyl Silyl Ethers as Homoenols. Angew Chem Int Ed Engl 2006. [DOI: 10.1002/ange.200601011] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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20
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Xue S, Li LZ, Liu YK, Guo QX. Zinc-Mediated Chain Extension Reaction of 1,3-Diketones to 1,4-Diketones and Diastereoselective Synthesis of trans-1,2-Disubstituted Cyclopropanols. J Org Chem 2005; 71:215-8. [PMID: 16388638 DOI: 10.1021/jo051950b] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
[reaction: see text] A variety of 1,3-diketones can be efficiently converted into the corresponding 1,4-diketones and trans-1,2-disubstituted cyclopropanols by using organozinc species in one-pot reactions. It was found that 2.3 equiv of CF3CO2ZnCH2I was effective to give the corresponding chain-extended products in 44-85% yields, while a mixture of organozinc species formed from 4.0 equiv of Et2Zn, 2.0 equiv of CF3CO2H, and 4.0 equiv of CH2I2 resulted in the formation of trans-1,2-disubstituted cyclopropanols with quite good yields and diastereoselectivity.
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Affiliation(s)
- Song Xue
- Department of Chemistry, University of Science and Technology of China, Hefei 230026, People's Republic of China.
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21
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22
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Grover RK, Mishra RC, Kundu B, Tripathi RP, Roy R. In situ cyclopropanation: a rapid one-pot method for the synthesis of resin bound cyclopropyl phenyl methanones as combinatorial scaffolds. Tetrahedron Lett 2004. [DOI: 10.1016/j.tetlet.2004.08.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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23
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Bernard AM, Floris C, Frongia A, Piras PP, Secci F. Use of cyclobutyl derivatives as intermediates in the synthesis of 1,2a,3,8b-tetrahydro-2H-cyclobuta[c]chromenes. Tetrahedron 2004. [DOI: 10.1016/j.tet.2003.11.018] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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24
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Bernard AM, Frongia A, Secci F, Delogu G, Ollivier J, Piras PP, Salaün J. Stereospecific palladium(0)-catalyzed reduction of 2-cyclobutylidenepropyl esters. A versatile preparation of diastereomeric monoterpenoids: (±)-fragranol and (±)-grandisol. Tetrahedron 2003. [DOI: 10.1016/j.tet.2003.09.074] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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25
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Bernard AM, Frongia A, Piras PP, Secci F. Unexpected stereochemistry in the lithium salt catalyzed ring expansion of nonracemic oxaspiropentanes. formal syntheses of (-)-(4R,5R)-muricatacin and the pheromone (R)-japonilure. Org Lett 2003; 5:2923-6. [PMID: 12889909 DOI: 10.1021/ol035061r] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
[reaction: see text] The stereochemistry of the cyclobutanones 3, obtained by lithium salt catalyzed ring expansion of the optically pure oxaspiropentanes 2, depends not only on the lithium salt but also on the stereochemistry of 2. They constitute the starting material for the syntheses of the acetogenin (-)-(4R,5R)-muricatacin and the pheromone (R)-japonilure.
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Affiliation(s)
- Angela M Bernard
- Dipartimento di Scienze Chimiche, Università degli studi di Cagliari, Cittadella Universitaria di Monserrato, S.S 554, Bivio per Sestu, I-09042 Monserrato, Cagliari, Italy.
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Affiliation(s)
- Oleg G Kulinkovich
- Chemical Department, Belarussian State University, Skaryny Av. 4, 220050 Minsk, Belarus
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27
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Lee-Ruff E, Mladenova G. Enantiomerically pure cyclobutane derivatives and their use in organic synthesis. Chem Rev 2003; 103:1449-83. [PMID: 12683788 DOI: 10.1021/cr010013a] [Citation(s) in RCA: 432] [Impact Index Per Article: 20.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Edward Lee-Ruff
- Department of Chemistry, York University, Toronto, Ontario M3J 1P3, Canada.
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Lecornué F, Ollivier J. Diastereoselective titanium-mediated construction of cis-2,3-ring annelated 1-(2'-chloroethyl)cyclopropanols. Chem Commun (Camb) 2003:584-5. [PMID: 12669836 DOI: 10.1039/b211642a] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Titanium(IV)-mediated cyclopropanation induced by reaction of cycloalkylmagnesium bromides 1a-e in the presence of titanium tetraisopropoxide with ethyl beta-chloropropionate 2 yielded cis-fused 1-(2'-chloroethyl)cyclopropanols 3b-e with diastereoselectivity highly depending on the ring size. Unexpected rearrangement products 5d,e were isolated in some cases.
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Affiliation(s)
- Frédéric Lecornué
- Laboratoire des Carbocycles, UMR 8615, Institut de Chimie Moléculaire et des Matériaux d'Orsay, Bât. 420, Université de Paris-Sud, 91405 Orsay, France
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Bernard AM, Frongia A, Piras PP. A New Entry to Alkylidenecyclopropanes Through a Ramberg-Backlund Rearrangement of Cyclopropylsulfones. SYNTHETIC COMMUN 2003. [DOI: 10.1081/scc-120016326] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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30
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Bernard AM, Cadoni E, Frongia A, Piras PP, Secci F. Synthesis of new heterocycles through a cation-driven tandem ring-enlargement-annulation reaction. Org Lett 2002; 4:2565-7. [PMID: 12123377 DOI: 10.1021/ol026199x] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
[reaction: see text] The thionium ion, generated through a cyclopropylcarbinyl-cyclobutyl ring expansion, is, for the first time, intramolecularly intercepted by activated aromatic rings to generate new versatile 2a-methyl-8b-(phenylsulfanyl-1,2a,3,8b-tetrahydro-2H-cyclobuta[c]chromenes.
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Affiliation(s)
- Angela M Bernard
- Dipartimento di Scienze Chimiche, Università degli studi di Cagliari, Cittadella Universitaria di Monserrato, S.S 554, Bivio per Sestu, I-09042 Monserrato (Cagliari), Italy.
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31
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Barluenga J, López S, Trabanco AA, Flórez J. 2- and 3-haloalkoxy fischer carbene complexes of chromium as synthons for either hydroxycyclopropanation or oxaspirocyclopropanation of alkenes. Chemistry 2001; 7:4723-9. [PMID: 11757665 DOI: 10.1002/1521-3765(20011105)7:21<4723::aid-chem4723>3.0.co;2-v] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
The thermal reaction of 2-haloethoxy- and 3-chloropropoxy(alkenyl)carbene complexes of chromium with electronically neutral alkenes furnished diastereoselectively the corresponding 1-haloalkoxy-l-vinylcyclopropanes that, subjected to subsequent halogen-lithium exchange reactions, provided vinylcyclopropanols or compounds containing the spiro[cyclopropane-tetrahydrofuran/tetrahydropyran] structure, depending on the nature of both the halogen atom and the lithiating reagent. The hydroxycyclopropanation reaction can be efficiently achieved in a one-pot fashion.
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Affiliation(s)
- J Barluenga
- Instituto Universitario de Química Organometálica Enrique Moles Unidad Asociada al CSIC, Universidad de Oviedo Spain.
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32
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Titanium-mediated diastereoselective formation of ( E )-2-alkyl-1-ethenylcyclopropanols from β-haloesters. Tetrahedron Lett 2001. [DOI: 10.1016/s0040-4039(01)00900-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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33
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34
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Nakamura M, Inoue T, Nakamura E. Synthesis of substituted cyclopropanone acetals by carbometallation and its oxidative cleavage with manganese(IV) oxide and lead(IV) oxide. J Organomet Chem 2001. [DOI: 10.1016/s0022-328x(01)00679-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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35
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36
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A Cationic Driven Tandem Ring-Enlargement-Annulation Reaction for the Rapid Assembly of the cis-Fused Bicyclo[3.2.0]heptane Framework. Tetrahedron 2000. [DOI: 10.1016/s0040-4020(00)00391-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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37
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Synthesis of Tertiary Cyclobutanols through Stereoselective Ring Expansion of Oxaspiropentanes Induced by Grignard Reagents. Tetrahedron 2000. [DOI: 10.1016/s0040-4020(00)00369-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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38
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Dorizon P, Su G, Ludvig G, Nikitina L, Paugam R, Ollivier J, Salaün J. Stereoselective Synthesis of Highly Functionalized Cyclopropanes. Application to the Asymmetric Synthesis of (1S,2S)-2,3-Methanoamino Acids. J Org Chem 1999; 64:4712-4724. [PMID: 11674544 DOI: 10.1021/jo982528g] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
One-pot palladium(0)-catalyzed alkylation and S(N)(') cyclization of 1,4-dichlorobut-2-ene 1 by the anion of alpha-substituted carbonitriles 2a-d can provide highly functionalized cyclopropanes (E)-4a-d, diastereoselectivity, (de 88-100%). Several attempts to achieve the asymmetric synthesis of the 1-amino-2-ethenylcyclopropanecarbonitrile (E)-9, by means of this new procedure, i.e., using chiral palladium ligands, chiral aminoacetonitriles (-)- and (+)-12 (from 1-hydroxypinanone) or chiral allyl chlorides (4S)-20b-d and (4R)-20e (from (2S) ethyl lactate) have pointed up the reversibility of the palladium-catalyzed cyclization step, responsible for the low enantioselectivity observed (ee </= 32%) and for the formation of byproducts, i.e., azepine derivatives 8a,b arising from subsequent aza Cope ring expansion. Molecular mechanics calculations using a modified MM2 type force field adapted to the pi-allyl palladium complexes have explained these results. However, when performed under the Mitsunobu reaction conditions (DEAD, PMe(3)), therefore, in the absence of palladium catalyst, the S(N)(') cyclization occurred also diastereoselectively (de > 88%) and provided the enantiomerically enriched 1-amino-2-propenylcyclopropanecarbonitrile (E)-22 (ee > 83%) suitable precursor of (1S,2S)-2,3-methanoamino acids.
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Affiliation(s)
- Philippe Dorizon
- Laboratoire des Carbocycles (Associé au CNRS), Institut de Chimie Moléculaire d'Orsay, Bât. 420, Université de Paris-Sud, 91405 Orsay, France
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Pfeiffer J, Nieger M, Dötz KH. Chromium Complex Catalyzed Synthesis of Spirocyclopropanes from Diaryl Diazo Compounds – Direct NMR-Spectroscopic Observation of a Carbene Complex Intermediate. European J Org Chem 1998. [DOI: 10.1002/(sici)1099-0690(199806)1998:6<1011::aid-ejoc1011>3.0.co;2-h] [Citation(s) in RCA: 23] [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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Asymmetric alkylidenecyclopropanes from the regioselective reduction of π 1,1-dimethyleneallyl palladium complexes. ACTA ACUST UNITED AC 1997. [DOI: 10.1016/s0957-4166(97)00076-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Chevtchouk T, Ollivier J, Salaün J. Optically active cyclobutanones and γ-butyrolactones from asymmetric alkylidenecyclopropanes. ACTA ACUST UNITED AC 1997. [DOI: 10.1016/s0957-4166(97)00077-3] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Bernard AM, Piras PP. Palladium (0) Catalyzed Nucleophilic Substitution On 2-Cyclopropylidene-phenoxy Ethanes. SYNTHETIC COMMUN 1997. [DOI: 10.1080/00397919708004192] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Kasatkin A, Sato F. Ungewöhnliche Regioselektivitäten bei der Reaktion von Carbonyl- mit Allyl- oder Allenyl/Propargyltitanverbindungen: ein effizienter Zugang zu Alkylidencyclopropanderivaten. Angew Chem Int Ed Engl 1996. [DOI: 10.1002/ange.19961082336] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Kohmoto S, Nakayama N, Takami JI, Kishikawa K, Yamamoto M, Yamada K. On the mechanism of the rearrangement of 7-vinylnorcaradienes. Tetrahedron Lett 1996. [DOI: 10.1016/0040-4039(96)01771-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Murakami M, Amii H, Shigeto K, Ito Y. Breaking of the C−C Bond of Cyclobutanones by Rhodium(I) and Its Extension to Catalytic Synthetic Reactions. J Am Chem Soc 1996. [DOI: 10.1021/ja9604525] [Citation(s) in RCA: 175] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Masahiro Murakami
- Contribution from the Department of Synthetic Chemistry and Biological Chemistry, Kyoto University, Yoshida, Kyoto 606-01, Japan
| | - Hideki Amii
- Contribution from the Department of Synthetic Chemistry and Biological Chemistry, Kyoto University, Yoshida, Kyoto 606-01, Japan
| | - Kunji Shigeto
- Contribution from the Department of Synthetic Chemistry and Biological Chemistry, Kyoto University, Yoshida, Kyoto 606-01, Japan
| | - Yoshihiko Ito
- Contribution from the Department of Synthetic Chemistry and Biological Chemistry, Kyoto University, Yoshida, Kyoto 606-01, Japan
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Kataoka T, Matsumoto H, Iwama T, Shimizu H. Acid-promoted C1-C2Bond Fission and Subsequent 1,5-Sulfenyl Shift of 1-Acceptor-1-sulfenyl-substituted 2-Vinylcyclopropanes. Formation of 6-Sulfenyl-α,β-γ,δ-unsaturated Carboxylic Esters and Nitriles. CHEM LETT 1995. [DOI: 10.1246/cl.1995.459] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Paetow M, Ahrens H, Hoppe D. Chiral α,ω-dioxy-carbanions from 1,3-propanediol and 1,4-butanediol by sparteine-assisted deprotonation. Enantioselective synthesis of 1,3- and 1,4-diols, (R)-pantolactone, and a cyclopropane. Tetrahedron Lett 1992. [DOI: 10.1016/s0040-4039(00)79083-6] [Citation(s) in RCA: 47] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Harrowven DC. The addition of Organolithiums to Ketenethioacetals: a new cyclopentannulation sequence leading to indanes. Tetrahedron Lett 1992. [DOI: 10.1016/s0040-4039(00)78885-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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