6 article(s) from Nokami, Toshiki
- Full Research Paper
- Published 30 Aug 2022
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Figure 1: Structures of chitin and chitosan oligosaccharides.
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Figure 2: Effect of the anomeric leaving group on the yield of oligosaccharides.
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Figure 3: Influence of the glycosylation temperature (T2) on the yield of oligosaccharides.
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Figure 4: Influence of temperatures of anodic oxidation (T1) and glycosylation (T2).
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Figure 5: MALDI–TOF MS spectra of oligosaccharides.
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Figure 6: Proposed structures of byproducts of electrochemical polyglycosylation.
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Figure 7: Proposed mechanisms of electrochemical polyglycosylation.
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Figure 8: Oxidative potential of monosaccharide 1a, disaccharide 2a, and trisaccharide 3a.
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Scheme 1: Electrochemical dimerization of tetrasaccharide 4a.
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Figure 9: Influence of cycle number on the yield of longer oligosaccharides 5a (n = 5)–8a (n = 8). Conditions...
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- Full Research Paper
- Published 16 May 2017
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Figure 1: Inhibitors of glucosaminidases.
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Scheme 1: Synthesis of disaccharide donors.
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Figure 2: Proposed mechanism and origin of the selectivity.
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Figure 3: Synthesis of TMG-chitotriomycin precursor 7.
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Figure 4: Synthess of TMG-chitotriomycin (1).
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- Full Research Paper
- Published 13 Feb 2015
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Scheme 1: Synthesis of halohydrins and epoxides through β-haloalkoxysulfonium ions generated by the reaction ...
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Scheme 2: Proposed reaction mechanisms for the syntheses of bromohydrin 5a-Br and epoxide 6a.
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Scheme 3: Mechanistic study using 18O-DMSO.
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- Letter
- Published 22 Dec 2014
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Figure 1: Two synthetic approaches toward the peripherally functionalized dendronized polystyrenes (blue dott...
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Figure 2: Preparation of the dendrimer having peripheral bromo groups and their conversion to diarylamino gro...
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Figure 3: Preparation of dendronized polystyrenes having peripheral diarylamino groups.
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Figure 4: MALDI–TOF MS analysis of the dendronized polystyrene with peripheral bromo groups.
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Figure 5: Cyclic voltammograms of dendronized polystyrene 9 (black line), model compound 10 (blue line), and ...
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- Letter
- Published 28 Mar 2012
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Scheme 1: Electrochemical conversion of thioglycosides to glycosyl triflates.
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Figure 1: 1H NMR spectrum of glycosyl triflate 2a.
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Scheme 2: Triflic acid mediated isomerization of β-glycoside.
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- Preliminary Communication
- Published 08 Feb 2007
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Scheme 1: Electrochemical generation of carbocations by oxidative C-C bond dissociation.
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Scheme 2: Electrochemical generation and accumulation of organosilicon cation by oxidative Si-Si bond dissoci...
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Figure 1: Oxidation potentials (Ed; decomposition potential) of disilanes determined by rotating disk electro...
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Figure 2: Optimized structures of radical cations of 1,2-diphenyldisilane and 1,2-bis [o-(2-pyridyl)- phenyl]...
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Scheme 3: Electrochemical generation of organosilicon cation 3d.
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Figure 3: CSI-MS of organosilicon cation 3d at 0°C.
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Figure 4: Optimized structures of organosilicon cation 3d and silyl radical 4d by DFT calculations (B3LYP/LAN...
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Scheme 4: Reaction of organosilicon cation 3d with p-tolylmagnesium bromide.
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