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1

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

Shinya Kohra, Yoshinori Tominaga, Akira Hosomi

Journal:

Journal of Heterocyclic Chemistry

Year:

1988

File:

PDF, 821 KB

1988

2

ChemInform Abstract: Synthesis and [3 + 2] Cycloaddition Reaction of 3-[(Trimethylsilylmethylamino)(methylthio)methylene]heterocyclic Compounds.

Yoshinori Tominaga, Satoshi Takada, Shinya Kohra, Yasumitsu Shigemitsu

Journal:

Year:

2002

File:

PDF, 32 KB

2002

3

Synthesis of Five-Membered Heterocyclic Compounds Using 1, 3-Dipolar Reagents

Shinya Kohra, Yoshinori Tominage

Journal:

Year:

2003

File:

PDF, 4 KB

2003

4

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

Yoshinori Tominaga, Satoshi Takada, Shinya Kohra, Yasumitsu Shigemitsu

Journal:

Journal of Heterocyclic Chemistry

Year:

2001

Language:

english

File:

PDF, 125 KB

english, 2001

5

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

Naoko Mizuyama, Yuka Murakami, Shinya Kohra, Kazuo Ueda, Kyoko Hiraoka, Yoshinori Tominaga, Junko Nagaoka, Kojiro Takahashi, Yasuhiro Shigemitsu

Journal:

Journal of Heterocyclic Chemistry

Year:

2007

Language:

english

File:

PDF, 1.09 MB

english, 2007

6

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

Naoko Mizuyama, Yuka Murakami, Takatoshi Nakatani, Keiko Kuronita, Shinya Kohra, Kazuo Ueda, Kyoko Hiraoka, Yoshinori Tominaga

Journal:

Journal of Heterocyclic Chemistry

Year:

2008

Language:

english

File:

PDF, 922 KB

english, 2008

7

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

Yoshinori Tominaga, Satoshi Takada, Shinya Kohra

Journal:

Tetrahedron Letters

Year:

1994

Language:

english

File:

PDF, 312 KB

english, 1994

8

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

Yoshinori Tominaga, Koichiro Ogata, Shinya Kohra, Makoto Hojo, Akira Hosomi

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 300 KB

english, 1991

9

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

Yoshinori Tominaga, Yoshiki Matsuoka, Hisashi Hayashida, Shinya Kohra, Akira Hosomi

Journal:

Tetrahedron Letters

Year:

1988

Language:

english

File:

PDF, 233 KB

english, 1988

10

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

Yoshinori Tominaga, Shinya Kohra, Akira Hosomi

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 251 KB

english, 1987

11

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

Shinya Kohra, Hisashi Hayashida, Yoshinori Tominaga, Akira Hosomi

Journal:

Tetrahedron Letters

Year:

1988

Language:

english

File:

PDF, 257 KB

english, 1988

12

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

Yoshinori Tominaga, Hiroshi Ueda, Koichiro Ogata, Shinya Kohra, Makoto Hojo, Masakazu Ohkuma, Kyoji Tomita, Akira Hosomi

Journal:

Tetrahedron Letters

Year:

1992

Language:

english

File:

PDF, 312 KB

english, 1992

13

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

Tamio Hayashi, Yonetatsu Matsumoto, Takao Kiyoi, Yoshihiko Ito, Shinya Kohra, Yoshinori Tominaga, Akira Hosomi

Journal:

Tetrahedron Letters

Year:

1988

Language:

english

File:

PDF, 268 KB

english, 1988

14

Bisphenol A and nonylphenol bioconcentration in spotted halibut Varaspar variegates

Ho chul LEE, Kiyoshi SOYANO, Atsushi ISHIMATSU, Masaki NAGAE, Shinya KOHRA, Yasuhiro ISHIBASHI, Koji ARIZONO, Yuji TAKAO

Journal:

Fisheries Science

Year:

2004

Language:

english

File:

PDF, 85 KB

english, 2004

15

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

Tominaga, Yoshinori, Takada, Satoshi, Kohra, Shinya

Journal:

Year:

1994

Language:

english

File:

PDF, 115 KB

english, 1994

16

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

Hosomi, Akira, Kohra, Shinya, Ogata, Koichiro, Yanagi, Toshiharu, Tominaga, Yoshinori

Journal:

Journal of Organic Chemistry

Year:

1990

Language:

english

File:

PDF, 786 KB

english, 1990

17

A Novel Preparation of Polarized Ethylenes by the Reaction of Thioamides or Dithiocarboxylates with Tetracyanoethylene Oxide. Synthesis of Pyrazoles and Pyrimides

Tominaga, Yoshinori, Matsuoka, Yoshiki, Kohra, Shinya, Hosomi, Akira

Journal:

Year:

1987

Language:

english

File:

PDF, 92 KB

english, 1987

18

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

Yoshinori Tominaga, Yoshiki Matsuoka, Yukio Oniyama, Yoshimitsu Uchimura, Hirofumi Komiya, Michiyo Hirayama, Shinya Kohra, Akira Hosomi

Journal:

Journal of Heterocyclic Chemistry

Year:

1990

File:

PDF, 1.23 MB

1990

19

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

Yoshinori Tominaga, Hiroto Okuda, Shinya Kohra, Hisako Mazume

Journal:

Journal of Heterocyclic Chemistry

Year:

1991

File:

PDF, 895 KB

1991

20

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

Yoshinori Tominaga, Syuichirou Ohno, Shinya Kohra, Hiroshi Fujito, Hisako Mazurae

Journal:

Journal of Heterocyclic Chemistry

Year:

1991

File:

PDF, 334 KB

1991

21

N-bis(methylthio)methylene derivatives. 5. New synthesis of 2-aminoindolizine and related compounds via a formal [3 + 3] cycloaddition reaction using N-bis(ethoxycarbonylmethylthio)methylenephenylsulfonamides

Yoshinori Tominaga, Hiroshi Ueda, Koichiro Ogata, Shinya Kohra

Journal:

Journal of Heterocyclic Chemistry

Year:

1992

File:

PDF, 515 KB

1992

22

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

Akemi Yamaguchi, Hiroshi Ishibashi, Shinya Kohra, Koji Arizono, Nobuaki Tominaga

Journal:

Aquatic Toxicology

Year:

2005

Language:

english

File:

PDF, 157 KB

english, 2005

23

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)

Hiroshi Ishibashi, Naoko Watanabe, Naomi Matsumura, Masashi Hirano, Yukiko Nagao, Hideki Shiratsuchi, Shinya Kohra, Shin-ichi Yoshihara, Koji Arizono

Journal:

Year:

2005

Language:

english

File:

PDF, 162 KB

english, 2005

24

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

Matsuda, Yoshiro, Kohra, Shinya, Katou, Keisuke, Uemura, Takashi, Yamashita, Kouhei

Journal:

Year:

2003

Language:

english

File:

PDF, 319 KB

english, 2003

25

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

Hosomi, Akira, Hayashida, Hisashi, Kohra, Shinya, Tominaga, Yoshinori

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1986

Language:

english

File:

PDF, 242 KB

english, 1986

26

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

Hosomi, Akira, Hayashi, Shinji, Hoashi, Koichiro, Kohra, Shinya, Tominaga, Yoshinori

Journal:

Journal of Organic Chemistry

Year:

1987

Language:

english

File:

PDF, 254 KB

english, 1987

27

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

Hosomi, Akira, Kohra, Shinya, Tominaga, Yoshinori

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1987

Language:

english

File:

PDF, 214 KB

english, 1987

28

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

Hosomi, Akira, Hoashi, Koichiro, Kohra, Shinya, Tominaga, Yoshinori, Otaka, Ken, Sakurai, Hideki

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1987

Language:

english

File:

PDF, 205 KB

english, 1987

29

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

Hosomi, Akira, Hayashi, Shinji, Hoashi, Koichiro, Kohra, Shinya, Tominaga, Yoshinori

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1987

Language:

english

File:

PDF, 143 KB

english, 1987

30

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

Tominaga, Yoshinori, Mizuyama, Naoko, Murakami, Yuka, Nagaoka, Junko, Kohra, Shinya, Ueda, Kazuo, Hiraoka, Kyoko, Shigemitsu, Yasuhiro

Journal:

Year:

2006

Language:

english

File:

PDF, 373 KB

english, 2006

31

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

Matsukizono, Miho, Kamegawa, Mariko, Tanaka, Koichi, Kohra, Shinya, Arizono, Koji, Hamazoe, Yuta, Sugimura, Kazuhisa

Journal:

Year:

2013

Language:

english

File:

PDF, 868 KB

english, 2013

32

Synthesis of Pyrimidine Derivatives and Their Related Compounds Using Ketene Dithioacetals

Tominaga, Yoshinori, Kohra, Shinya, Honkawa, Harumasa, Hosomi, Akira

Journal:

Year:

1989

Language:

english

File:

PDF, 340 KB

english, 1989

33

Synthesis and Fluorescence of 4-Methylsulfanyl-6-pyridyl-2H-pyran-2-ones in Solid State

Mizuyama, Naoko, Kohra, Shinya, Ueda, Kazuo, Hiraoka, Kyoko, Takahashi, Kojiro, Tominaga, Yoshinori

Journal:

Year:

2007

Language:

english

File:

PDF, 322 KB

english, 2007

34

Synthesis of 1,3,5-Triazine Derivatives by the Reaction of S,S'-Dimethyl N-Cyanocarbonimidodithioate with Amides

Kohra, Shinya, Ueda, Kazuo, Tominaga, Yoshinori

Journal:

Year:

1996

Language:

english

File:

PDF, 283 KB

english, 1996

35

(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

Kanno, Yuichiro, Hikosaka, Ritsuko, Zhang, Shu-Yun, Inoue, Yoshimi, Nakahama, Takayuki, Kato, Keisuke, Yamaguchi, Akemi, Tominaga, Nobuaki, Kohra, Shinya, Arizono, Koji, Inouye, Yoshio

Journal:

Biological & Pharmaceutical Bulletin

Year:

2011

Language:

english

File:

PDF, 1.09 MB

english, 2011

36

Reaction of 6-aminouracils with ketenethioacetals.

TOMINAGA, YOSHINORI, KOHRA, SHINYA, OKUDA, HIROTO, USHIROGOCHI, ATSUYUKI, MATSUDA, YOSHIRO, KOBAYASHI, GORO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1984

File:

PDF, 824 KB

1984

37

Pyrimidine and fused pyrimidine derivatives. III. Synthesis of s-triazolo(1,5-a)pyrimidine derivatives by using ketene dithioacetals.

TOMINAGA, YOSHINORI, SAKAI, SHUICHIRO, KOHRA, SHINYA, TSUKA, JUNKO, MATSUDA, YOSHIRO, KOBAYASHI, GORO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1985

File:

PDF, 703 KB

1985

38

Facile preparation of .GAMMA.-chloro-substituted allylmetallic reagents and their reactions. Stereoselective access to cis-vinyloxiranes.

Hosomi, Akira, Kohra, Shinya, Tominaga, Yoshinori, Ando, Masatomo, Sakurai, Hideki

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1987

Language:

english

File:

PDF, 307 KB

english, 1987

39

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

HOSOMI, AKIRA, KOHRA, SHINYA, TOMINAGA, YOSHINORI, INABA, MASAHIRO, SAKURAI, HIDEKI

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1988

File:

PDF, 505 KB

1988

40

Pentaco-ordinate silicon compounds in synthesis: Regiospecific allylation of aldehydes using trialkoxy-substituted allylsilane, pyrocatechol, and an amine.

Hosomi, Akira, Kohra, Shinya, Tominaga, Yoshinori

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1987

Language:

english

File:

PDF, 393 KB

english, 1987

41

Pentacoordinate organosilicon compounds in organic synthesis. Cross-coupling of alkenylsiliconates with organic halides and triflates catalyzed by palladium complex.

Hosomi, Akira, Kohra, Shinya, Tominaga, Yoshinori

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1988

Language:

english

File:

PDF, 533 KB

english, 1988

42

Novel arylthiomethylation of carbonyl compounds using arylthiomethyltrimethylsilanes catalyzed by fluoride ions. New route to .BETA.-hydroxyarylsulfides.

Hosomi, Akira, Ogata, Koichiro, Hoashi, Koichiro, Kohra, Shinya, Tominaga, Yoshinori

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1988

File:

PDF, 367 KB

1988

43

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

KOHRA, Shinya, TURUYA, Shinichiro, KIMURA, Munefumi, OGATA, Koichiro, TOMINAGA, Yoshinori

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1993

File:

PDF, 733 KB

1993

44

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.

KOHRA, Shinya, UEDA, Kazuo, TOMINAGA, Yoshinori

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1995

File:

PDF, 985 KB

1995

45

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 Reagents.

TOMINAGA, Yoshinori, TAKADA, Satoshi, KOHRA, Shinya

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1996

File:

PDF, 1.15 MB

1996

46

Movement of Selenium Ions in the Treatment Process of Waste Water(PROCEEDINGS OF 24TH SYMPOSIUM ON TOXICOLOGY AND ENVIRONMENTAL HEALTH)

Ishibashi, Yasuhiro, Tabira, Yasuhiro, Joh, Yoshinobu, Takao, Yuji, Kohra, Shinya, Arizono, Koji, Takemasa, Takehiro

Journal:

JOURNAL OF HEALTH SCIENCE

Year:

1999

File:

PDF, 296 KB

1999

47

A Convenient Sublethal Assay of Alkylphenol and Organotin Compounds Using the Nematode Caenorhabditis elegans

Tominaga, Nobuaki, Tomoeda, Mineko, Kohra, Shinya, Takao, Yuji, Nagae, Masaki, Ueda, Kazuo, Ishibashi, Yasuhiro, Kai, Toshinori, Arizono, Koji

Journal:

JOURNAL OF HEALTH SCIENCE

Year:

2002

Language:

english

File:

PDF, 768 KB

english, 2002

48

Release of Bisphenol A from Food Can Lining upon Heating

Takao, Yuji, Lee, Ho Chul, Kohra, Shinya, Arizono, Koji

Journal:

JOURNAL OF HEALTH SCIENCE

Year:

2002

Language:

english

File:

PDF, 254 KB

english, 2002

49

High Sensitivity Analysis of Indirubin by Silylation Using GC/MS

Takao, Yuji, Yamashita, Kohei, Kohra, Shinya, Inudo, Makiko, Nagae, Masaki, Tominaga, Nobuaki, Ishibashi, Yasuhiro, Sekizawa, Jun, Miyairi, Shinichi, Arizono, Koji

Journal:

JOURNAL OF HEALTH SCIENCE

Year:

2003

Language:

english

File:

PDF, 125 KB

english, 2003

50

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)

Kohra, Shinya, Tominaga, Nobuaki, Mitsui, Yoshinori, Takao, Yuji, Ishibashi, Yasuhiro, Arizono, Koji

Journal:

JOURNAL OF HEALTH SCIENCE

Year:

1999

File:

PDF, 296 KB

1999

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