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Yalla R, Raghavan S. Synthesis of solandelactone F, constanolactone A and an advanced intermediate towards solandelactone E from a common synthetic intermediate. Org Biomol Chem 2019; 17:4572-4592. [PMID: 30997906 DOI: 10.1039/c9ob00623k] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The stereoselective synthesis of solandelactone F, constanolactone A and an advanced intermediate towards solandelactone E, from a common synthetic intermediate, is disclosed. The propargylic sulfide stereocenter is created stereoselectively via carbon-carbon bond formation in the reaction of α-chloro sulfides with alkynylzinc reagents via 1,2-asymmetric induction by a β-siloxy group. The characteristic 1,4-diol motif of the natural products is introduced by a [2,3] sigmatropic rearrangement of an allylic sulfoxide or by the Mislow-Evans-Braverman rearrangement of a propargylic sulfoxide followed by stereoselective reduction of the ensuing α,β-unsaturated ketone. Unlike earlier reports, the C11/C9 carbinol center is created with excellent stereocontrol and derivatives of natural products differing at C14/C12 can be readily obtained. Catalytic asymmetric protocols and substrate-controlled asymmetric induction are utilized for the efficient introduction of the stereogenic centers.
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Affiliation(s)
- Raju Yalla
- Department of Organic Synthesis & Process Chemistry, Indian Institute of Chemical Technology, Hyderabad 500007, India.
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2
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Ali B, Zukerman-Schpector J, Ferreira FP, Shamim A, Pimenta DC, Stefani HA. Lewis-acid catalyzed N-acyliminium ion cyclodimerization: synthesis of symmetrical 1,4-dioxanes. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.01.059] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Zhu JB, Chen H, Wang L, Tang Y. Stereospecific synthesis of highly functionalized benzo[3.1.0]bicycloalkanes via multistep cascade reactions. Org Chem Front 2014. [DOI: 10.1039/c4qo00134f] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
A facile approach for the synthesis of benzo[3.1.0]bicycloalkanesviaalkylation/cyclopropanation cascade reactions of benzyl bromide with triphenylphosphonium bromide.
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Affiliation(s)
- Jian-Bo Zhu
- State Key Laboratory of Organometallic Chemistry
- Shanghai Institute of Organic Chemistry
- Chinese Academy of Sciences
- Shanghai 200032, China
| | - Hao Chen
- 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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Zhu JB, Chen H, Liao S, Li YX, Tang Y. A sidearm-assisted phosphine for catalytic ylide intramolecular cyclopropanation. Org Chem Front 2014. [DOI: 10.1039/c4qo00232f] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The first phosphine-catalyzed cyclopropanation reactionviacovalent ylide catalysis has been realized with high efficiency in the presence of sidearm-assisted phosphine catalysts.
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Affiliation(s)
- Jian-Bo Zhu
- State Key Laboratory of Organometallic Chemistry
- Shanghai Institute of Organic Chemistry
- Chinese Academy of Sciences
- Shanghai 200032, China
| | - Hao Chen
- State Key Laboratory of Organometallic Chemistry
- Shanghai Institute of Organic Chemistry
- Chinese Academy of Sciences
- Shanghai 200032, China
| | - Saihu Liao
- State Key Laboratory of Organometallic Chemistry
- Shanghai Institute of Organic Chemistry
- Chinese Academy of Sciences
- Shanghai 200032, China
| | - Yu-Xue Li
- 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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Illa O, Namutebi M, Saha C, Ostovar M, Chen CC, Haddow MF, Nocquet-Thibault S, Lusi M, McGarrigle EM, Aggarwal VK. Practical and highly selective sulfur ylide-mediated asymmetric epoxidations and aziridinations using a cheap and readily available chiral sulfide: extensive studies to map out scope, limitations, and rationalization of diastereo- and enantioselectivities. J Am Chem Soc 2013; 135:11951-66. [PMID: 23902598 DOI: 10.1021/ja405073w] [Citation(s) in RCA: 83] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The chiral sulfide, isothiocineole, has been synthesized in one step from elemental sulfur, γ-terpinene, and limonene in 61% yield. A mechanism involving radical intermediates for this reaction is proposed based on experimental evidence. The application of isothiocineole to the asymmetric epoxidation of aldehydes and the aziridination of imines is described. Excellent enantioselectivities and diastereoselectivities have been obtained over a wide range of aromatic, aliphatic, and α,β-unsaturated aldehydes using simple protocols. In aziridinations, excellent enantioselectivities and good diastereoselectivities were obtained for a wide range of imines. Mechanistic models have been put forward to rationalize the high selectivities observed, which should enable the sulfide to be used with confidence in synthesis. In epoxidations, the degree of reversibility in betaine formation dominates both the diastereoselectivity and the enantioselectivity. Appropriate tuning of reaction conditions based on understanding the reaction mechanism enables high selectivities to be obtained in most cases. In aziridinations, betaine formation is nonreversible with semistabilized ylides and diastereoselectivities are determined in the betaine forming step and are more variable as a result.
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Affiliation(s)
- Ona Illa
- School of Chemistry, University of Bristol, Cantock's Close BS8 1TS, United Kingdom
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6
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Facile and controllable synthesis of multiply substituted benzenes via a formal [3+3] cycloaddition approach. Tetrahedron 2013. [DOI: 10.1016/j.tet.2012.10.028] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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7
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Zhu JB, Wang P, Liao S, Tang Y. PPh3-mediated intramolecular conjugation of alkyl halides with electron-deficient olefins: facile synthesis of chromans and relevant analogues. Chem Commun (Camb) 2013; 49:4570-2. [DOI: 10.1039/c3cc41435c] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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8
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Chen J, Wang A, Huo H, Huang P. Progress on the total synthesis of natural products in China: From 2006 to 2010. Sci China Chem 2012. [DOI: 10.1007/s11426-012-4534-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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9
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Robinson A, Aggarwal VK. Stereocontrolled asymmetric synthesis of syn-E-1,4-diol-2-enes using allyl boronates and its application in the total synthesis of solandelactone F. Org Biomol Chem 2012; 10:1795-801. [PMID: 22258739 DOI: 10.1039/c2ob06975j] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The solandelactones A-H comprise a novel class of oxygenated fatty acids bearing an eight-membered lactone, trans cyclopropane, and a 2-ene-1,4-diol subunit. The relative stereochemistry of the 1,4-diol subunit is anti in solandelactones A, C, E & G, and syn in solandelactones B, D, F & H. Having prepared one member of the solandelactones bearing anti stereochemistry (solandelactone E), we have targeted the syn series and developed methodology for the synthesis of enantioenriched syn-2-ene-1,4-diols. The methodology comprises asymmetric deprotonation of an alkyl 2,4,6-triisopropylbenzoate using sBuLi/sparteine, followed by addition of the α-lithiobenzoate to β-silyl vinyl boronic acid ethylene glycol ester. The boron-ate complex generated undergoes a 1,2-metallate rearrangement furnishing an intermediate allyl boronic ester which is trapped by an aldehyde in the presence of MgBr(2) to furnish anti-β-hydroxy E-allylsilanes in good yields, high diastereoselectivity and high enantioselectivity. These sensitive products were oxidized using mCPBA to the corresponding epoxides and subsequently treated with acid to furnish syn-E-2-ene-1,4-diols (~4:1 d.r.). Application of the methodology to appropriately functionalized aldehyde and ω-alkenyl 2,4,6-triisopropylbenzoate coupling partners, led to a short, highly selective route to solandelactone F (bearing a syn-E-2-ene-1,4-diol).
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Affiliation(s)
- Anna Robinson
- School of Chemistry, University of Bristol, Cantock's Close, Bristol, UK BS8 1TS
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Chen DYK, Pouwer RH, Richard JA. Recent advances in the total synthesis of cyclopropane-containing natural products. Chem Soc Rev 2012; 41:4631-42. [DOI: 10.1039/c2cs35067j] [Citation(s) in RCA: 403] [Impact Index Per Article: 33.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Total synthesis of (8S,11R,12R)- and (8R,11R,12R)-topsentolide B2 diastereomers and assignment of the absolute configuration. ACTA ACUST UNITED AC 2011. [DOI: 10.1016/j.tetasy.2011.10.020] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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13
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Herndon JW. The chemistry of the carbon–transition metal double and triple bond: Annual survey covering the year 2009. Coord Chem Rev 2011. [DOI: 10.1016/j.ccr.2010.07.003] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Arrayás RG, Carretero JC. Chiral thioether-based catalysts in asymmetric synthesis: recent advances. Chem Commun (Camb) 2011; 47:2207-11. [DOI: 10.1039/c0cc03978k] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Bagnoli L, Scarponi C, Rossi MG, Testaferri L, Tiecco M. Synthesis of enantiopure 1,4-dioxanes, morpholines, and piperazines from the reaction of chiral 1,2-diols, amino alcohols, and diamines with vinyl selenones. Chemistry 2010; 17:993-9. [PMID: 21226117 DOI: 10.1002/chem.201002593] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2010] [Indexed: 11/07/2022]
Abstract
The reactions of readily available vinyl selenones with enantiopure 1,2-diols, N-protected-1,2-aminoalcohols, and diamines gave substituted enantiopure 1,4-dioxanes, morpholines, and piperazines, respectively, in good to excellent yields. The same procedure was extended to the synthesis of thiomorpholine, benzodiazepine, and benzoxazepine. The reactions proceeded in one pot, in the presence of base, through a simple and novel application of the Michael-initiated, ring-closure (MIRC) reactions. The formed heterocycles constitute a framework that is observed in a large number of pharmaceutical compounds.
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Affiliation(s)
- Luana Bagnoli
- Dipartimento di Chimica e Tecnologia del Farmaco Sezione di Chimica Organica, Università di Perugia via del Liceo 1, Italy.
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Robinson A, Aggarwal V. Asymmetric Total Synthesis of Solandelactone E: Stereocontrolled Synthesis of the 2-ene-1,4-diol Core through a Lithiation-Borylation-Allylation Sequence. Angew Chem Int Ed Engl 2010; 49:6673-5. [DOI: 10.1002/anie.201003236] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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17
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Robinson A, Aggarwal V. Asymmetric Total Synthesis of Solandelactone E: Stereocontrolled Synthesis of the 2-ene-1,4-diol Core through a Lithiation-Borylation-Allylation Sequence. Angew Chem Int Ed Engl 2010. [DOI: 10.1002/ange.201003236] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Riches SL, Saha C, Filgueira NF, Grange E, McGarrigle EM, Aggarwal VK. On the Mechanism of Ylide-Mediated Cyclopropanations: Evidence for a Proton-Transfer Step and Its Effect on Stereoselectivity. J Am Chem Soc 2010; 132:7626-30. [DOI: 10.1021/ja910631u] [Citation(s) in RCA: 95] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Samantha L. Riches
- School of Chemistry, University of Bristol, Cantock’s Close, Bristol BS8 1TS, U.K
| | - Chandreyee Saha
- School of Chemistry, University of Bristol, Cantock’s Close, Bristol BS8 1TS, U.K
| | | | - Emma Grange
- School of Chemistry, University of Bristol, Cantock’s Close, Bristol BS8 1TS, U.K
| | - Eoghan M. McGarrigle
- School of Chemistry, University of Bristol, Cantock’s Close, Bristol BS8 1TS, U.K
| | - Varinder K. Aggarwal
- School of Chemistry, University of Bristol, Cantock’s Close, Bristol BS8 1TS, U.K
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Zhu BH, Zhou R, Zheng JC, Deng XM, Sun XL, Shen Q, Tang Y. Highly Selective Ylide-Initiated Michael Addition/Cyclization Reaction for Synthesis of Cyclohexadiene Epoxide and Vinylcyclopropane Derivatives. J Org Chem 2010; 75:3454-7. [DOI: 10.1021/jo100306z] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ben-Hu Zhu
- Key Laboratory of Organic Synthesis, Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Suzhou University, Suzhou 215123, P. R. China
| | - Rui Zhou
- Key Laboratory of Organic Synthesis, Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Suzhou University, Suzhou 215123, P. R. China
| | - Jun-Cheng Zheng
- Department State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry 345 Lingling Lu, Shanghai 200032, P. R. China
| | - Xian-Ming Deng
- Department State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry 345 Lingling Lu, Shanghai 200032, P. R. China
| | - Xiu-Li Sun
- Department State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry 345 Lingling Lu, Shanghai 200032, P. R. China
| | - Qi Shen
- Key Laboratory of Organic Synthesis, Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Suzhou University, Suzhou 215123, P. R. China
| | - Yong Tang
- Department State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry 345 Lingling Lu, Shanghai 200032, P. R. China
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