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Nemati A, Shadpour S, Querciagrossa L, Mori T, Zannoni C, Hegmann T. Highly Sensitive, Tunable Chirality Amplification through Space Visualized for Gold Nanorods Capped with Axially Chiral Binaphthyl Derivatives. ACS NANO 2019; 13:10312-10326. [PMID: 31424907 DOI: 10.1021/acsnano.9b03787] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
The creation and transmission of chirality in molecular systems is a well-known, widely applied notion. Our understanding of how the chirality of nanomaterials can be controlled, measured, transmitted through space, and applied is less well understood. Dynamic assemblies for chiral sensing or metamaterials engineered from chiral nanomaterials require exact methods to determine transmission and amplification of nanomaterial chirality through space. We report the synthesis of a series of gold nanorods (GNRs) with a constant aspect ratio of ∼4.3 capped with C2-symmetric, axially chiral binaphthyl thiols, preparation of dispersions in the nematic liquid crystal 5CB, measurements of the helical pitch, and the determination of the helical twisting power as well as the average distance between the chiral nanomaterial additives. By comparison to the neat organic chiral derivatives, we demonstrate how the amplification of chirality facilitated by GNRs decorated with chiral molecules can be used to clearly distinguish the chiral induction strength of a homologous series of binaphthyl derivatives, differing only in the length of the nontethered aliphatic chain, in the induced chiral nematic liquid crystal phase. Considering systematic errors in sample preparation and optical measurements, these chiral molecules would otherwise be deemed identical with respect to chiral induction. Notably, we find some of the highest ever-reported values of the helical twisting power. We further support our experimentally derived arguments of a more comprehensive understanding of chirality transfer by calculations of a suitable pseudoscalar chirality indicator.
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Affiliation(s)
- Ahlam Nemati
- Advanced Materials and Liquid Crystal Institute, Chemical Physics Interdisciplinary Program , Kent State University , Kent , Ohio 44242 , United States
| | - Sasan Shadpour
- Advanced Materials and Liquid Crystal Institute, Chemical Physics Interdisciplinary Program , Kent State University , Kent , Ohio 44242 , United States
| | - Lara Querciagrossa
- Dipartimento di Chimica Industriale "Toso Montanari" and INSTM , Università di Bologna , Viale Risorgimento 4 , IT-40136 Bologna , Italy
| | - Taizo Mori
- Graduate School of Frontier Science , The University of Tokyo , 5-1-5, Kashiwanoha , Kashiwa 277-0827 , Japan
| | - Claudio Zannoni
- Dipartimento di Chimica Industriale "Toso Montanari" and INSTM , Università di Bologna , Viale Risorgimento 4 , IT-40136 Bologna , Italy
| | - Torsten Hegmann
- Advanced Materials and Liquid Crystal Institute, Chemical Physics Interdisciplinary Program , Kent State University , Kent , Ohio 44242 , United States
- Department of Chemistry and Biochemistry , Kent State University , Kent , Ohio 44242 , United States
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Almeida APC, Querciagrossa L, Silva PES, Gonçalves F, Canejo JP, Almeida PL, Godinho MH, Zannoni C. Reversible water driven chirality inversion in cellulose-based helices isolated from Erodium awns. SOFT MATTER 2019; 15:2838-2847. [PMID: 30869683 DOI: 10.1039/c8sm02290a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Among the movements observed in some cellulosic structures produced by plants are those that involve the dispersion and burial of seeds, as for example in Erodium from the Geraniaceae plant family. Here we report on a simple and efficient strategy to isolate and tune cellulose-based hygroscopic responsive materials from Erodium awns' dead tissues. The stimuli-responsive material isolated forms left-handed (L) or right-handed (R) helical birefringent transparent ribbons in the wet state that reversibly change to R helices when the material dries. The humidity-driven motion of dead tissues is most likely due to a composite material made of cellulose networks of fibrils imprinted by the plant at the nanoscale, which reinforces a soft wall polysaccharide matrix. The inversion of the handedness is explained using computational simulations considering filaments that contract and expand asymmetrically. The awns of Erodium are known to present hygroscopic movements, forming R helices in the dry state, but the possibility of actuating chirality via humidity suggests that these cellulose-based skeletons, which do not require complicated lithography and intricate deposition techniques, provide a diverse range of applications from intelligent textiles to micro-machines.
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Affiliation(s)
- Ana P C Almeida
- CENIMAT/I3N, Departamento de Ciência dos Materiais, Faculdade de Ciências e Tecnologia, FCT, Universidade NOVA de Lisboa, Campus da Caparica, 2829-516 Caparica, Portugal.
| | - Lara Querciagrossa
- Dipartimento di Chimica Industriale "Toso Montanari" and INSTM, Università di Bologna, Viale Risorgimento 4, IT-40136 Bologna, Italy.
| | - Pedro E S Silva
- CENIMAT/I3N, Departamento de Ciência dos Materiais, Faculdade de Ciências e Tecnologia, FCT, Universidade NOVA de Lisboa, Campus da Caparica, 2829-516 Caparica, Portugal.
| | - Filipa Gonçalves
- CENIMAT/I3N, Departamento de Ciência dos Materiais, Faculdade de Ciências e Tecnologia, FCT, Universidade NOVA de Lisboa, Campus da Caparica, 2829-516 Caparica, Portugal.
| | - João P Canejo
- CENIMAT/I3N, Departamento de Ciência dos Materiais, Faculdade de Ciências e Tecnologia, FCT, Universidade NOVA de Lisboa, Campus da Caparica, 2829-516 Caparica, Portugal.
| | - Pedro L Almeida
- CENIMAT/I3N, Departamento de Ciência dos Materiais, Faculdade de Ciências e Tecnologia, FCT, Universidade NOVA de Lisboa, Campus da Caparica, 2829-516 Caparica, Portugal. and Área Departamental de Física, Instituto Superior de Engenharia de Lisboa, Instituto Politécnico de Lisboa, 1959-007 Lisbon, Portugal
| | - Maria Helena Godinho
- CENIMAT/I3N, Departamento de Ciência dos Materiais, Faculdade de Ciências e Tecnologia, FCT, Universidade NOVA de Lisboa, Campus da Caparica, 2829-516 Caparica, Portugal.
| | - Claudio Zannoni
- Dipartimento di Chimica Industriale "Toso Montanari" and INSTM, Università di Bologna, Viale Risorgimento 4, IT-40136 Bologna, Italy.
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Nemati A, Shadpour S, Querciagrossa L, Li L, Mori T, Gao M, Zannoni C, Hegmann T. Chirality amplification by desymmetrization of chiral ligand-capped nanoparticles to nanorods quantified in soft condensed matter. Nat Commun 2018; 9:3908. [PMID: 30254259 PMCID: PMC6156227 DOI: 10.1038/s41467-018-06400-0] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Accepted: 08/29/2018] [Indexed: 11/13/2022] Open
Abstract
Induction, transmission, and manipulation of chirality in molecular systems are well known, widely applied concepts. However, our understanding of how chirality of nanoscale entities can be controlled, measured, and transmitted to the environment is considerably lacking behind. Future discoveries of dynamic assemblies engineered from chiral nanomaterials, with a specific focus on shape and size effects, require exact methods to assess transmission and amplification of nanoscale chirality through space. Here we present a remarkably powerful chirality amplification approach by desymmetrization of plasmonic nanoparticles to nanorods. When bound to gold nanorods, a one order of magnitude lower number of chiral molecules induces a tighter helical distortion in the surrounding liquid crystal-a remarkable amplification of chirality through space. The change in helical distortion is consistent with a quantification of the change in overall chirality of the chiral ligand decorated nanomaterials differing in shape and size as calculated from a suitable pseudoscalar chirality indicator.
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Affiliation(s)
- Ahlam Nemati
- Chemical Physics Interdisciplinary Program, Liquid Crystal Institute, Kent State University, Kent, OH, 44242-0001, USA
| | - Sasan Shadpour
- Chemical Physics Interdisciplinary Program, Liquid Crystal Institute, Kent State University, Kent, OH, 44242-0001, USA
| | - Lara Querciagrossa
- Dipartimento di Chimica Industriale "Toso Montanari" and INSTM, Università di Bologna, Viale Risorgimento 4, IT-40136, Bologna, Italy
| | - Lin Li
- Institute for Smart Liquid Crystals, JITRI, Changshu, 215500, Jiangsu, China
| | - Taizo Mori
- Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki, 305-0044, Japan
| | - Min Gao
- Chemical Physics Interdisciplinary Program, Liquid Crystal Institute, Kent State University, Kent, OH, 44242-0001, USA
| | - Claudio Zannoni
- Dipartimento di Chimica Industriale "Toso Montanari" and INSTM, Università di Bologna, Viale Risorgimento 4, IT-40136, Bologna, Italy
| | - Torsten Hegmann
- Chemical Physics Interdisciplinary Program, Liquid Crystal Institute, Kent State University, Kent, OH, 44242-0001, USA.
- Department of Chemistry and Biochemistry, Kent State University, Kent, OH, 44242-0001, USA.
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Abstract
Reagent molecules inside solution domains {R1} and {R2} cannot contact hence react. For this reason solution structure may influence chemical reactivity.
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Affiliation(s)
- L. O. Kononov
- N. D. Zelinsky Institute of Organic Chemistry of the Russian Academy of Sciences
- 119991 Moscow
- Russian Federation
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Kitamoto Y, Kuruma Y, Suzuki K, Hattori T. Effect of Solvent Polarity on Enantioselectivity in Candida Antarctica Lipase B Catalyzed Kinetic Resolution of Primary and Secondary Alcohols. J Org Chem 2014; 80:521-7. [DOI: 10.1021/jo502521e] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Yuichi Kitamoto
- Department of Biomolecular
Engineering, Graduate School of Engineering, Tohoku University, 6-6-11
Aramaki-Aoba, Aoba-ku, Sendai 980-8579, Japan
| | - Yosuke Kuruma
- Department of Biomolecular
Engineering, Graduate School of Engineering, Tohoku University, 6-6-11
Aramaki-Aoba, Aoba-ku, Sendai 980-8579, Japan
| | - Kazumi Suzuki
- Department of Biomolecular
Engineering, Graduate School of Engineering, Tohoku University, 6-6-11
Aramaki-Aoba, Aoba-ku, Sendai 980-8579, Japan
| | - Tetsutaro Hattori
- Department of Biomolecular
Engineering, Graduate School of Engineering, Tohoku University, 6-6-11
Aramaki-Aoba, Aoba-ku, Sendai 980-8579, Japan
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Sen A, Ganguly B. Probing the role of solvation in predicting the π-facial selectivity of 5-Fluoro-2-methyleneadamantane with per-acid: A case study. COMPUT THEOR CHEM 2013. [DOI: 10.1016/j.comptc.2013.10.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Papadopoulos TA, Muccioli L, Athanasopoulos S, Walker AB, Zannoni C, Beljonne D. Does supramolecular ordering influence exciton transport in conjugated systems? Insight from atomistic simulations. Chem Sci 2011. [DOI: 10.1039/c0sc00467g] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
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Pizzirusso A, Savini M, Muccioli L, Zannoni C. An atomistic simulation of the liquid-crystalline phases of sexithiophene. ACTA ACUST UNITED AC 2011. [DOI: 10.1039/c0jm01284j] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Tiberio G, Muccioli L, Berardi R, Zannoni C. How Does the Trans-Cis Photoisomerization of Azobenzene Take Place in Organic Solvents? Chemphyschem 2010; 11:1018-28. [DOI: 10.1002/cphc.200900652] [Citation(s) in RCA: 131] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Electrostatic origin towards the reversal of π-facial selectivity of 5,6-cis,exo-disubstituted bicyclic[2.2.2]oct-2-enes with m-chloroperbenzoic acid and diazomethane: a computational study. Tetrahedron Lett 2010. [DOI: 10.1016/j.tetlet.2009.10.100] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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11
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Pietropaolo A, Muccioli L, Zannoni C, Rizzarelli E. Conformational Preferences of the Full Chicken Prion Protein in Solution and Its Differences with Respect to Mammals. Chemphyschem 2009; 10:1500-10. [DOI: 10.1002/cphc.200900078] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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Tiberio G, Muccioli L, Berardi R, Zannoni C. Towardsin SilicoLiquid Crystals. Realistic Transition Temperatures and Physical Properties forn-Cyanobiphenyls via Molecular Dynamics Simulations. Chemphyschem 2009; 10:125-36. [DOI: 10.1002/cphc.200800231] [Citation(s) in RCA: 147] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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13
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Cainelli G, Galletti P, Giacomini D. Solvent effects on stereoselectivity: more than just an environment. Chem Soc Rev 2009; 38:990-1001. [DOI: 10.1039/b802815j] [Citation(s) in RCA: 74] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Nita S, Cann NM. Solvation of Phenylglycine- and Leucine-Derived Chiral Stationary Phases: Molecular Dynamics Simulation Study. J Phys Chem B 2008; 112:13022-37. [DOI: 10.1021/jp710392k] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Sorin Nita
- Department of Chemistry, Queen’s University, Kingston, Ontario, Canada K7L 3N6
| | - Natalie M. Cann
- Department of Chemistry, Queen’s University, Kingston, Ontario, Canada K7L 3N6
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Pietropaolo A, Muccioli L, Berardi R, Zannoni C. A chirality index for investigating protein secondary structures and their time evolution. Proteins 2008; 70:667-77. [PMID: 17879347 DOI: 10.1002/prot.21578] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
We propose a methodology for the description of the secondary structure of proteins, based on assigning a chirality parameter to short aminoacid sequences according to their arrangement in space at a certain time. We validated the method on ideal and crystalline structures, showing that it can assign secondary structures and that this assignment is robust with respect to random conformational perturbations. From the values of the index and its pattern along a sequence it is possible to recognize many structural motifs of a protein, and in particular poly-L-proline II left-handed helices, often not detected by secondary structure assignment algorithms. Assigning an instantaneous chirality index to the fragments also allows the dynamics to be studied. With this purpose, molecular dynamics simulations were carried out in water for selected hemoglobin (110 ns) and immunoglobulin antigen fragments (50 ns), showing the capability of the chiral index in identifying the stable secondary structure elements, as well as in following their time evolution and conformational changes during the trajectory.
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Affiliation(s)
- Adriana Pietropaolo
- Dipartimento di Chimica Fisica ed Inorganica and INSTM, Università di Bologna, V.le Risorgimento, 4, I-40136 Bologna, Italy
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Giacomini D, Galletti P, Quintavalla A, Gucciardo G, Paradisi F. Highly efficient asymmetric reduction of arylpropionic aldehydes by horse liver alcohol dehydrogenase through dynamic kinetic resolution. Chem Commun (Camb) 2007:4038-40. [PMID: 17912408 DOI: 10.1039/b712290j] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The enantioselective synthesis of (2S)-2-phenylpropanol and (2S)-2-(4-iso-butylphenyl)propanol ((S)-Ibuprofenol) has been achieved by means of Horse Liver Alcohol Dehydrogenase (HLADH) in buffered aqueous solution or buffered organic solvent mixtures; under the reaction conditions, a dynamic kinetic resolution (DKR) process was realized with good reaction yields and enantiomeric ratios.
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Affiliation(s)
- Daria Giacomini
- Department of Chemistry G. Ciamician, Alma Mater Studiorum University of Bologna, Via Selmi 2, 40126, Bologna, Italy.
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Abstract
A polarizable, flexible model for ethanol is obtained based on an extensive series of B3LYP/6-311++G(d,p) calculations and molecular dynamics simulations. The ethanol model includes electric-field dependence in both the atomic charges and the intramolecular degrees of freedom. Field-dependent intramolecular potentials have been attempted only once previously, for OH and HH stretches in water [P. Cicu et al., J. Chem. Phys. 112, 8267 (2000)]. The torsional potential involving the hydrogen-bonding hydrogen in ethanol is found to be particularly field sensitive. The methodology for developing field-dependent potentials can be readily generalized to other molecules and is discussed in detail. Molecular dynamics simulations of bulk ethanol are performed and the results are assessed based on comparisons with the self-diffusion coefficient [N. Karger et al., J. Chem. Phys. 93, 3437 (1990)], dielectric constant [J. T. Kindt and C. A. Schmuttenmaer, J. Phys. Chem. 100, 10373 (1996)], enthalpy of vaporization [R. C. Wilhoit and B. J. Zwolinski, J. Phys. Chem. Ref. Data, Suppl. 2, 2 (1973)], and experimental interatomic distributions [C. J. Benmore and Y. L. Loh, J. Chem. Phys. 112, 5877 (2000)]. The simultaneous variation of the atomic charges and the intramolecular potentials requires modified equations of motion and a multiple time step algorithm has been implemented to solve these equations. The article concludes with a discussion of the bulk structure and properties with an emphasis on the hydrogen bonding network.
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Affiliation(s)
- Shihao Wang
- Department of Chemistry, Queen's University, Kingston, Ontario K7L 3N6, Canada
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Facial selectivity in the reaction of dihalocarbenes with 2-substituted 4,7-dihydro-1,3-dioxepines. MENDELEEV COMMUNICATIONS 2007. [DOI: 10.1016/j.mencom.2007.05.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Zhao C, Cann NM. The docking of chiral epoxides on the Whelk-O1 stationary phase: A molecular dynamics study. J Chromatogr A 2007; 1149:197-218. [PMID: 17433341 DOI: 10.1016/j.chroma.2007.03.073] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2006] [Accepted: 03/05/2007] [Indexed: 11/24/2022]
Abstract
The docking of analytes on the Whelk-O1 chiral stationary phase is explored for two chiral epoxides in a hexane solvent. Density functional theory calculations are employed to develop flexible models for R/S-styrene oxide (phenyl oxirane) and (R,R/S,S)-stilbene oxide (2,3-diphenyl oxirane). Molecular dynamics simulations of the racemates in the presence of the Whelk-O1 chiral stationary phase reveal the distribution of the enantiomers at the interface. The importance of hydrogen bonding and ring-ring interactions is explored along with an examination of the major docking arrangements. The interactions between the Whelk-O1 molecules and the chiral epoxide enantiomers are quite distinct and consistent with the experimental elution orders [S.E. Schaus, B.D. Brandes, J.F. Larrow, M. Tokunage, K.B. Hansen, A.E. Gould, M.E. Furrow, E.N. Jacobsen, J. Am. Chem. Soc. 124 (2001) 1307] and separation factors [W.H. Pirkle, C.J. Welch, Tetrahedron: Asymm. 5 (1994) 777]. The impact of a polar solvent modifier is examined for R/S-styrene oxide where selectivity in 80:20 n-hexane:2-propanol is assessed.
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Affiliation(s)
- Chunfeng Zhao
- Department of Chemistry, Queen's University, Kingston, Ontario K7L 3N6, Canada
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Lombardo M, Pasi F, Trombini C. 3-Bromopropenyl Methylcarbonate in Organic Synthesis: A Straightforward Approach to 4,5-Disubstituted 5-Vinyl-1,3-dioxolan-2-ones. European J Org Chem 2006. [DOI: 10.1002/ejoc.200600290] [Citation(s) in RCA: 16] [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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Lombardo M, Capdevila MG, Pasi F, Trombini C. An Efficient High-Yield Synthesis of d-ribo-Phytosphingosine. Org Lett 2006; 8:3303-5. [PMID: 16836391 DOI: 10.1021/ol0612096] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
[Structure: see text] [4R-[4alpha(S),5alpha]]-2,2-Dimethyl-4-(2-oxo-5-vinyl[1,3]dioxolan-4-yl)oxazolidine-3-carboxylic acid tert-butyl ester 5a, obtained in excellent yield and diastereoselectivity by the alpha-hydroxyallylation of the Garner aldehyde (4), is exploited in a novel high-yield synthesis of D-ribo-phytosphingosine (8), using microwave-enhanced cross metathesis as the key step in the chain elongation.
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Affiliation(s)
- Marco Lombardo
- Dipartimento di Chimica G. Ciamician, Università di Bologna, via Selmi 2, 40126, Bologna, Italy.
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