S. Kohra

发表

Ecotoxicological Effect of Polycyclic Musks on Caenorhabditis elegans

K. Arizono, Y. Takao, Taiki Mori, 2006 .

Expression Analysis of Estrogen-responsive Genes Vitellogenin 1 and 2 in Liver of Male Medaka (Oryzias latipes) Exposed to Selective Ligands of Estrogen Receptor Subtypes

A. Yamaguchi, H. Ishibashi, K. Arizono, 2009 .

Fast Screening Method for Bisphenol A in Environmental Water and in Food by Solid-Phase Microextraction (SPME)(PROCEEDINGS OF 24TH SYMPOSIUM ON TOXICOLOGY AND ENVIRONMENTAL HEALTH)

Ho Chul Lee, K. Arizono, Y. Takao, 1999 .

Reaction of 6-aryl- or styryl-4-methylsulfanyl-2-oxo-2H-pyrans with active methylene compounds and fluorescence properties of the products

S. Kohra, K. Hiraoka, Naoko Mizuyama, 2008 .

Synthesis and fluorescence of 2H-pyrone derivatives for organic light-emitting diodes (OLED)

S. Kohra, Yasuhiro Shigemitsu, Junko Nagaoka, 2007 .

Characterization of a Single Chain Fv Antibody that Reacts with Free Morphine

K. Sugimura, K. Arizono, S. Kohra, 2013 .

Release of Bisphenol A from Food Can Lining upon Heating

Ho Chul Lee, K. Arizono, Y. Takao, 2002 .

In Vivo Testing System for Determining the Estrogenic Activity of Endocrine-Disrupting Chemicals (EDCs) in Goldfish (Carassius auratus)

K. Tachibana, H. Ishibashi, K. Arizono, 2001 .

Bisphenol A Incorporated into Eggs from Parent Fish Persists for Several Days

K. Arizono, Y. Takao, S. Kohra, 2008 .

Photodecomposition and Bioconcentration of a Bisphenol A Metabolite in Medaka, Oryzias latipes

H. Ishibashi, K. Arizono, Y. Takao, 2004 .

In Vivo Anti-estrogenic Effects of Menadione on Hepatic Estrogen-responsive Gene Expression in Male Medaka (Oryzias latipes)

A. Yamaguchi, H. Ishibashi, K. Arizono, 2008 .

PENTACOORDINATE ORGANOSILICON COMPOUNDS IN ORGANIC SYNTHESIS: CROSS-COUPLING OF ALKENYLSILICONATES WITH ORGANIC HALIDES AND TRIFLATES CATALYZED BY PALLADIUM COMPLEX

S. Kohra, A. Hosomi, Y. Tominaga, 1988 .

High Sensitivity Analysis of Indirubin by Silylation Using GC/MS

J. Sekizawa, K. Arizono, Y. Takao, 2003 .

Bisphenol A and nonylphenol bioconcentration in spotted halibut Varaspar variegates

Ho Chul Lee, K. Arizono, Y. Takao, 2004 .

Sensing of Heavy Metals Using Caenorhabditis elegans DNA Microarray

K. Arizono, N. Tominaga, S. Kohra, 2008 .

Estrogenic Potency of a Bisphenol A Metabolite on Vitellogenin Synthesis in Medaka, Oryzias latipes

K. Arizono, Y. Takao, N. Tominaga, 2005 .

Material Balance of Phosphorus in a Semi-Closed Bay Calculated with Actuality Measurements and Data of an Observation Satellite over a Long Period

K. Arizono, Y. Takao, S. Kohra, 2001 .

S-silylmethyl-substituted ketene dithioacetals as synthetic equivalent of a novel 1,3-dipolar reagent, alkylidenethiocarbonyl ylide; synthesis and [3+2] cycloaddition reactions

S. Takada, S. Kohra, Y. Tominaga, 1994 .

Synthesis of pyrimidine derivatives by the reaction of ketene dithioacetals with amides

S. Kohra, A. Hosomi, Y. Tominaga, 1988 .

Pyrimidine and Fused Pyrimidine Derivatives. III. Synthesis of s-Triazolo [1, 5-α] pyrimidine Derivatives by Using Ketene Dithioacetals

S. Kohra, Y. Tominaga, G. Kobayashi, 1985 .

Reaction of 6-aminouracils with ketenethioacetals

S. Kohra, H. Okuda, Y. Tominaga, 1984 .

Reaction of ketenethioacetals with carboxamides

S. Kohra, Y. Tominaga, G. Kobayashi, 1983 .

Synthesis of pyrimidine derivatives and their related compounds using ketene dithioacetals

S. Kohra, A. Hosomi, Y. Tominaga, 1989 .

Intramolecular cyclization via onium salts: a novel synthesis of 1,3-thiazolidines from chloromethyl (trimethylsilyl)methyl sulfide and nitrogen-containing heteroaromatic compounds

S. Kohra, A. Hosomi, Y. Tominaga, 1987 .

Reaction of α-Oxoketene Dithioacetals with Arylamines in the Presence of BF3-OEt2 for the Synthesis of Ketene S, N-Acetals

K. Ogata, S. Kohra, Y. Tominaga, 1993 .

Reaction of enaminones with carbon disulfide: Synthesis of heterocycles using enamino dithiocarboxylates

S. Kohra, H. Okuda, H. Mazume, 1991 .

FACILE PREPARATION OF γ-CHLORO-SUBSTITUTED ALLYLMETALLIC REAGENTS AND THEIR REACTIONS. STEREOSELECTIVE ACCESS TO CIS-VINYLOXIRANES

S. Kohra, A. Hosomi, H. Sakurai, 1987 .

Stereochemistry and mechanism of asymmetric allylation of aldehydes with optically active allylsiliconates

S. Kohra, A. Hosomi, Tamio Hayashi, 1988 .

Polarized ethylenes. IV. Synthesis of polarized ethylenes using thioamides and methyl dithiocarboxylates and their application to syntheses of pyrazoles, pyrimidines, pyrazolo[3,4‐d]pyrimidines, and 5‐aza[2.2.3]cyclazines

S. Kohra, A. Hosomi, Y. Tominaga, 1990 .

Synthesis and [3+2] cycloaddition reaction of 3‐[(trimethylsilylmethylamino)(methylthio)‐methylene]heterocyclic compounds

S. Takada, S. Kohra, Y. Tominaga, 2001 .

Synthesis and [3+2]cycloadditions of N-(trimethylsilylmethyl)isothioureas: a synthetic equivalent of novel 1,3-dipolar reagent, iminoazomethine ylid☆

K. Ogata, M. Hojo, S. Kohra, 1991 .

1,3-Dipolar Cycloaddition Reaction of 2-((Trimethylsilylmethylamino)(methylthio))methylene-1,3-indandione and 2-((Trimethylsilylmethylthio)(methylthio))methylene-1,3-indandione: Synthetic Equivalents of Cyclic Dicarbonyl Alkylideneazomethine and Alkylidenethiocarbonyl Ylides as Novel 1,3-Dipolar Rea

S. Takada, S. Kohra, Y. Tominaga, 1996 .

Highly coordinate organosilicon compounds in synthesis: New entry to S,N-acetals by selective reduction of alkylthiomethyleniminium salts by use of trimethoxysilane and dilithium 2,3-butandiolate☆

S. Kohra, A. Hosomi, Y. Tominaga, 1988 .

N-Bis(methylthio)methylene Derivatives. VII. Syntheses and Reactions of Synthetic Equivalents of New 1,3-Dipolar Reagents Using N-Bis(methylthio)methylene Derivatives

K. Ogata, S. Kohra, H. Ueda, 1995 .

Synthesis of an Annulenoannulenone, 3H-Benzo[e]cycl[3.3.2]azin-3-one

T. Uemura, K. Yamashita, S. Kohra, 2003 .

Pentaco—ordinate organosilicon compounds in synthesis: Asymmetric reduction of carbonyl compounds with hydrosilanes catalyzed by chiral bases

S. Kohra, A. Hosomi, Y. Tominaga, 1988 .

Pentaco-ordinate silicon compounds in synthesis: regiospecific allylation of aldehydes by use of triethylammonium bis(pyrocatecholato)allylsilicates

S. Kohra, A. Hosomi, Y. Tominaga, 1987 .

Selective carbophilic addition of organolithiums to thioamides. A novel synthesis of unsymmetrical ketones and α-alkylated amines

S. Kohra, A. Hosomi, Y. Tominaga, 1987 .

Studies in organosilicon chemistry. 100. Pentacoordinate allylsiliconates in organic synthesis: synthesis of triethylammonium bis(catecholato)allylsiliconates and selective allylation of aldehydes

K. Ogata, S. Kohra, A. Hosomi, 1990 .

PENTACO-ORDINATE SILICON COMPOUNDS IN SYNTHESIS : REGIOSPECIFIC ALLYLATION OF ALDEHYDES USING TRIALKOXY-SUBSTITUTED ALLYLSILANE, PYROCATECHOL, AND AN AMINE

S. Kohra, A. Hosomi, Y. Tominaga, 1987 .

(17α,20E)-17,20-[(1-methoxyethylidene)bis(oxy)]-3-oxo-19-norpregna-4,20-diene-21-carboxylic acid methyl ester (YK11) is a partial agonist of the androgen receptor.

A. Yamaguchi, K. Arizono, N. Tominaga, 2011, Biological & pharmaceutical bulletin.

Facile Preparation of γ-Chloro-Substituted Allylmetallic Reagents and Their Reactions. Stereoselective Access to cis-Vinyloxiranes.

S. Kohra, A. Hosomi, H. Sakurai, 1988 .

Optically Active Allylsilanes. Part 14. Stereochemistry and Mechanism of Asymmetric Allylation of Aldehydes with Optically Active Allylsiliconates.

S. Kohra, A. Hosomi, Tamio Hayashi, 1989 .

2-Dimethylaminomethyl-3-trimethylsilylmethylbuta-1,3-diene as a synthetic equivalent of 2,2′-biallyl zwitterionic species

S. Kohra, A. Hosomi, H. Sakurai, 1987 .

Unprecedented reaction of a thiocarbonyl ylide with carbonyl compounds: a novel synthesis of 1,3-oxathiolanes

S. Kohra, A. Hosomi, Y. Tominaga, 1987 .

Pentaco-ordinate silicon compounds in synthesis: chemo- and stereo-selective reduction of carbonyl compounds using trialkoxy-substituted silanes and alkali metal alkoxides

S. Kohra, A. Hosomi, Y. Tominaga, 1986 .

A convenient and efficient metallation of methylsilane. Carbonyl methylenations using metallated (2-aminoalkoxy)trimethylsilane

S. Kohra, A. Hosomi, H. Sakurai, 1987 .

New synthesis of thiiranes by fluoride ion-promoted reaction of S-methyl-S′-trimethylsilylmethyl N-(p-toluenesulfonyl)dithioiminocarbonate and 2-(trimethylsilylmethylthio)thiazoline with aldehydes☆

H. Ueda, K. Ogata, M. Hojo, 1992 .

Synthesis and [3+2]Cycloaddition Reaction of 3-[(Trimethylsilylmethylamino)(methylthio)]-methylene-2-coumaranone and -1-methyyloxindole: Synthetic Equivalent of Heterocyclic Alkylideneazomethine Ylide as a Novel 1,3-Dipolar Reagent

S. Takada, S. Kohra, Y. Tominaga, 1994 .

Fluoride ion promoted azomethine ylid generation from 1-methyl-2-[methylthio(trimethylsilylmethyl-imino) methylimino]-1,2-dihydropyridine, a synthetic equivalent of aminonitrile ylid

S. Kohra, Y. Tominaga, 1994 .

Synthesis and Steady-State Spectroscopic Study of 5-Aryl-2,2′-bipyridyls. New Fluorescent Compounds in Solid State

S. Kohra, Yasuhiro Shigemitsu, Naoko Mizuyama, 2006 .

Synthesis of a New Annulenoannulenone, 3H-Cycl[3.2.2]azino[2,1-e]cycl[3.3.2]azin-3-one

T. Uemura, S. Kohra, T. Itou, 1998 .

Synthesis of pyrimidine derivatives using N-bis(methylthio)methylenecyanamide

H. Fujito, S. Kohra, Y. Tominaga, 1991 .

Caenorhabditis elegans Responses to Specific Steroid Hormones

T. Iguchi, K. Arizono, N. Tominaga, 2003 .

Short-term effects of endocrine-disrupting chemicals on the expression of estrogen-responsive genes in male medaka (Oryzias latipes).

Nobuaki Tominaga, Koji Arizono, Hiroshi Ishibashi, 2005, Aquatic toxicology.

A convenient synthesis of primary amines by N-alkylation of cyclic potassium disilylamides

S. Kohra, A. Hosomi, H. Sakurai, 1988 .

Synthesis and fluorescence of 6-(4-dimethylaminophenyl)- and 6-(2-(4-N,N-disubstituted aminophenyl)vinyl]-4-methylthio- 2-oxo-2H-pyran-3-carbonitriles in solution and in the solid states

S. Kohra, Yasuhiro Shigemitsu, Junko Nagaoka, 2006 .

Toxicity to early life stages and an estrogenic effect of a bisphenol A metabolite, 4-methyl-2,4-bis(4-hydroxyphenyl)pent-1-ene on the medaka (Oryzias latipes).

H. Shiratsuchi, H. Ishibashi, K. Arizono, 2005, Life sciences.

Acute and subchronic toxicity of a bisphenol A metabolite, 4-metyl-2,4-bis(4-hydroxyphenyl)pent-1-ene on the invertebrates

H. Ishibashi, K. Arizono, M. Hirano, 2005 .

Seasonal and Diurnal Fluctuations in the Concentrations of Pharmaceuticals and Personal Care Products (PPCPs) in Residential Sewage Water

H. Ishibashi, K. Arizono, Y. Takao, 2008 .

Determination of a Screening System of Endocrine Disruptors by the Induction of Vitellogenin mRNA in C. elegans Larvae(PROCEEDINGS OF 24TH SYMPOSIUM ON TOXICOLOGY AND ENVIRONMENTAL HEALTH)

K. Arizono, Y. Takao, N. Tominaga, 1999 .

Effect of Bisphenol A on the Feeding Behavior of Caenorhabditis elegans

Ho Chul Lee, K. Arizono, Y. Takao, 2002 .

Effects of Perfluoro Organic Compound Toxicity on Nematode Caenorhabditis elegans Fecundity

T. Iguchi, K. Arizono, N. Tominaga, 2004 .

A Rapid Respiratory Toxicity Test Using Caenorhabditis elegans with an Oxygen Electrode System

K. Arizono, Y. Takao, N. Tominaga, 2002 .

Formal [3+2] cycloaddition reactions of 1-methyl-2-[methylthio-(trimethylsilylmethylimino)methylimino]-1,2-dihydropyridine and related compound with carbonyl compounds promoted by fluoride ion

S. Kohra, Y. Tominaga, K. Ueda, 1995 .

Hormonal activity of polycyclic musks evaluated by reporter gene assay.

M. Iida, H. Ishibashi, K. Arizono, 2007, Environmental sciences : an international journal of environmental physiology and toxicology.

Eco-toxicological effect of polycyclic musks for C . elegans

H. Ishibashi, K. Arizono, Taiki Mori, 2006 .