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7 results on '"Yo Adachi"'

1. Synthesis ofRubrivivax gelatinosusLipid A and Analogues for Investigation of the Structural Basis for Immunostimulating and Inhibitory Activities

Author

Yoshiyuki Fukase, Yukari Fujimoto, Yo Adachi, Koichi Fukase, Yasuo Suda, and Shoichi Kusumoto

Subjects
Lipid A, Biochemistry, Chemistry, Stereochemistry, lipids (amino acids, peptides, and proteins), General Chemistry, Inhibitory postsynaptic potential
Abstract

To elucidate the structural requirements for the endotoxic and antagonistic activities of lipid A derivatives, we have focused on the effects of the acyl moieties and acidic groups at the 1- and 4′...

Published
2008

2. Highly diastereoselective ortho-lithiation of 1,1′-bis-(oxazolinyl)ferrocene directed to C2-symmetric chiral ligands

Author

Toshikazu Hirao, Yo Adachi, Wanbin Zhang, and Isao Ikeda

Subjects
Inorganic Chemistry, chemistry.chemical_compound, Ferrocene, chemistry, Organic Chemistry, Nucleophilic substitution, Butyllithium, Organic chemistry, Ferrocene derivatives, Physical and Theoretical Chemistry, Medicinal chemistry, Catalysis
Abstract

C 2 -Symmetric 1,1′,2,2′-tetrasubstituted ferrocene derivatives are prepared in high yields from chiral 1,1′-bis(oxazolinyl)ferrocenes via diastereoselective o , o '-dilithiation with sec -butyllithium followed by nucleophilic substitution. 1,1′-Bis(oxazolinyl)ferrocenes were prepared from 1,1′-ferrocenedicarbonyl dichloride and enantiomerically pure aminoalcohols via the corresponding bis(β-hydroxylamide)s and dimesylates as intermediates.

Published
1996

3. ChemInform Abstract: Highly Diastereoselective ortho-Lithiation of 1,1′-Bis(oxazolinyl) ferrocene Directed to C2-Symmetric Chiral Ligands

Author

Wanbin Zhang, Yo Adachi, Toshikazu Hirao, and Isao Ikeda

Subjects
chemistry.chemical_compound, Ferrocene, chemistry, Butyllithium, Nucleophilic substitution, Ferrocene derivatives, General Medicine, Medicinal chemistry
Abstract

C 2 -Symmetric 1,1′,2,2′-tetrasubstituted ferrocene derivatives are prepared in high yields from chiral 1,1′-bis(oxazolinyl)ferrocenes via diastereoselective o , o '-dilithiation with sec -butyllithium followed by nucleophilic substitution. 1,1′-Bis(oxazolinyl)ferrocenes were prepared from 1,1′-ferrocenedicarbonyl dichloride and enantiomerically pure aminoalcohols via the corresponding bis(β-hydroxylamide)s and dimesylates as intermediates.

Published
2010

4. ChemInform Abstract: Synthesis of Rubrivivax gelatinosus Lipid A and Analogues for Investigation of the Structural Basis for Immunostimulating and Inhibitory Activities

Author

Yo Adachi, Yoshiyuki Fukase, Yasuo Suda, Koichi Fukase, Yukari Fujimoto, and Shoichi Kusumoto

Subjects
Lipid A, Biochemistry, Chemistry, lipids (amino acids, peptides, and proteins), General Medicine, Inhibitory postsynaptic potential
Abstract

To elucidate the structural requirements for the endotoxic and antagonistic activities of lipid A derivatives, we have focused on the effects of the acyl moieties and acidic groups at the 1- and 4′...

Published
2008

5. Synthesis of Poly{1-(2-methylpropenoyloxy)phthalimide-co-acrylonitrile} and the Selective Separation of Water and Ethanol through Its Membranes

Author

Kohei Sanui, Yo Adachi, Masakazu Yoshikawa, and Naoya Ogata

Subjects
chemistry.chemical_classification, Polymers and Plastics, Chemistry, Solution polymerization, Polymer, Phthalimide, chemistry.chemical_compound, Membrane, Chemical engineering, Polymer chemistry, Materials Chemistry, Copolymer, Reactivity (chemistry), Pervaporation, Acrylonitrile
Abstract

A new polymer, poly{1-(2-methylpropenoyloxy)phthalimide-co-acrylonitrile} (Poly(1-co-2)) was synthesized based on molecular designs for the separation of water and ethanol. The sequence distribution of the copolymers were investigated by 13C NMR spectroscopy. A terminal model was used to interpret the propagation process in the copolymerization. The reactivity ratios in the solution polymerization at 45°C were evaluated as r1=1.90 and r2=0.39. Radical reactivity indices and frontier electron densities were calculated. The membrane prepared from this copolymer carried out a selective separation of water from aqueous ethanol solution by pervaporation method. The separation factor toward water was as high as 1200.

Published
1985

6. Synthesis of poly{1-[(2-methylpropenoyl)oxy]succinimide-co-acrylonitrile} and the selective separation of a water-ethanol mixture through its membranes

Author

Hideto Yokoi, Masakazu Yoshikawa, Kohei Sanui, Naoya Ogata, and Yo Adachi

Subjects
Ethanol, Polymers and Plastics, Organic Chemistry, Nuclear magnetic resonance spectroscopy, Inorganic Chemistry, chemistry.chemical_compound, Membrane, chemistry, Succinimide, Polymer chemistry, Materials Chemistry, Organic chemistry, Pervaporation, Acrylonitrile
Abstract

Pervaporation d'une nouvelle membrane synthetique contenant un fragment pendant succinimide N-substitue et un groupe ester pendant

Published
1986

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