Search Results - "Kaneno, Daisuke"
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Protecting group-free method for synthesis of N-glycosyl carbamates and an assessment of the anomeric effect of nitrogen in the carbamate group
Published in Carbohydrate research (01-07-2021)“…The first protecting group-free synthesis of N-glycosyl carbamates has been developed through reaction of d-glucose with n-butyl carbamate in acidic aqueous…”
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Iriomoteolides-10a and 12a, Cytotoxic Macrolides from Marine Dinoflagellate Amphidinium Species
Published in Chemical & pharmaceutical bulletin (2016)“…Two new macrolides, iriomoteolides-10a (1) and -12a (2), have been isolated from a marine dinoflagellate Amphidinium sp. (KCA09053 strain), and their…”
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Effects of the Monomeric Components of Poly-hydroxybutyrate-co-hydroxyhexanoate on the Growth of Vibrio penaeicida In Vitro and on the Survival of Infected Kuruma Shrimp ( Marsupenaeus japonicus )
Published in Animals (Basel) (22-02-2021)“…Here, we investigated the inhibitory effects of the biodegradable, water-insoluble polymer poly-hydroxybutyrate-co-hydroxyhexanoate (PHBH) and its two…”
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Stereochemical Determination of Acyclic Structures Based on Carbon−Proton Spin-Coupling Constants. A Method of Configuration Analysis for Natural Products
Published in Journal of organic chemistry (05-02-1999)“…A method for elucidating the relative configuration of acyclic organic compounds was developed on the basis of carbon−proton spin-coupling constants (2,3 J…”
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The Origin of Cis Effect in 1,2-Dihaloethenes: The Quantitative Comparison of Electron Delocalizations and Steric Exchange Repulsions
Published in Bulletin of the Chemical Society of Japan (15-11-2008)“…The “cis effect” is a phenomenon in which the cis isomer is more stable than the corresponding trans isomer or almost the same stability in some molecules with…”
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Synthesis of trans-2,6-Piperidinedicarboxamide Using the Ugi Reaction. A Plausible Model for the Biosynthesis of Halichonadin P
Published in Heterocycles (2016)Get full text
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The Importance of Lone Pair Electron Delocalization in the cis–trans Isomers of 1,2-Dibromoethenes
Published in Chemistry letters (05-08-2005)“…The subtle experimental energy difference between isomers of 1,2-dibromoethenes (0.090 ± 0.240 kcal mol−1) has been confirmed by high level MO calculations:…”
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Synthesis of 1,3‐Dibromopyrene as Precursor of 1‐, 3‐, 6‐, and 8‐Substituted Long‐Axially Symmetric Pyrene Derivatives
Published in Chemistry : a European journal (02-07-2024)“…Pyrene derivatives bearing substituents at positions 1, 3, 6, and 8 find numerous applications, as exemplified by their use in lasers, sensors, and bioimaging…”
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Origin of Diastereoselection in the Hydrosilylation of Chiral N-Acyliminium Intermediates Derived from Pyroglutamic Acid
Published in Angewandte Chemie International Edition (26-04-2004)“…Explaining an “about‐face” in selectivity: Theoretical investigations suggest that steric repulsion (in the top reaction) and attractive interactions between…”
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Parr’s index to describe both electrophilicity and nucleophilicity
Published in Tetrahedron letters (23-01-2013)“…Parr’s ω values of 65 chemical species were plotted as a function of the newly introduced ε values, ω=(η/2)ε2+με. The fine parabola indicates the order of…”
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Intrinsic reactivity index as a single scale directed toward both electrophilicity and nucleophilicity using frontier molecular orbitals
Published in Tetrahedron (27-05-2013)“…A theoretical intrinsic reactivity index (IRI) is introduced through analysis of the ω, ɛ correlation (Tetrahedron Lett.2013, 54, 339–342). The index is valid…”
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Theoretical Study on the Mechanism and Diastereoselectivity of NaBH4 Reduction
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (19-03-2009)“…As the first step to understand the reaction mechanism and diastereoselectivity of sodium borohydride reduction of ketones, ab initio Car−Parrinello molecular…”
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Origin of π-Facial Diastereoselection in Nucleophilic Addition to 1,3-Diheteran-5-ones (Heteroatom = O, S). Theoretical Evidence for the Importance of Ground-State Effects
Published in Chemistry letters (01-11-1999)“…The exterior frontier orbital extension model (the EFOE Model) strongly suggested that reversal of π-facial diastereoselection in nucleophilic additions of…”
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The Danishefsky pyranone puzzle: an explanation based on the exterior frontier orbital extension model
Published in Tetrahedron letters (21-01-2009)“…The unusual facial stereoselection in the hydride reduction of the Danishefsky pyranones (2,3,5,6-tetrahydro-4-pyranones) with L-Selectride (Li- sec-Bu 3BH)…”
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Synthesis and photophysical properties of a new push-pull pyrene dye with green-to-far-red emission and its application to human cellular and skin tissue imaging
Published in Journal of materials chemistry. B, Materials for biology and medicine (09-03-2022)“…Herein, we discuss a new pyrene-based push-pull dye (PC) and our investigation of its photophysical properties and applicability to biological studies. The…”
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The Importance of Lone Pair Delocalizations: Theoretical Investigations on the Stability of cis and trans Isomers in 1,2-Halodiazenes
Published in Journal of organic chemistry (18-07-2008)“…The relative and thermodynamic stabilities of cis and trans isomers of 1,2-dihalodiazenes (XNNX; X = F, Cl, or Br) were examined using high level ab initio…”
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Synthesis and characterization of novel polyoxometalates with an inverted-Keggin structure as a new class of building unit
Published in Inorganic chemistry communications (01-12-2013)“…Novel polyoxometalates with an inverted-Keggin structure were prepared and isolated as the tetra-alkylammonium salts from an aqueous organic solution. They…”
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Intra- and Intermolecular Reaction Selectivities of γ-Substituted Adamantanylidenes
Published in Journal of organic chemistry (03-02-2012)“…A study of adamantanylidenes having a γ-substituent (R) was undertaken to gauge how inductive and steric effects of remotely positioned functional groups…”
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Solvent effects on the diastereoselection in LiAlH4 reduction of α-substituted ketones
Published in Tetrahedron letters (30-06-2008)Get full text
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