Tadashi Kataoka - Misc.

Development of novel diastereoselective alkenylation of enolates using alkenylselenonium salts

S Watanabe, T Ikeda, T Kataoka, G Tanabe, O Muraoka

ORGANIC LETTERS, 5(4) 565-567, Feb, 2003

Asymmetric induction of three consecutive chiral centers by reactions of N-enoylthioamides with aldehydes

T Kataoka, H Kinoshita, S Kinoshita, T Osamura, S Watanabe, T Iwamura, O Muraoka, G Tanabe

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 42(25) 2889-2891, 2003

アルキニルおよびアルケニルセレノニウム塩の反応性と有用な合成素子としての活用

有機合成化学協会誌, 61, 583, 2003

Chalcogenide-Lewis Acid Mediated Reactions of Electron-Deficient Alkynes with Aldehydes

Chem. Eur. J., 9, 1496, 2003

Tandem Michael-Aldol Reaction via 6-endo-dig Cyclization of Ynone-chalcogenides: Synthesis of 2-Unsabstituted 3-(Hydroxyalkyl)chalcogenochromen-4-ones

Tetrahedron Lett., 43, 7039, 2002

The chalcogeno-Baylis-Hillman reaction of ketones and alpha-dicarbonyl compounds

T Kataoka, H Kinoshita, S Kinoshita, T Iwamura

JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, 2043(18) 2043-2045, 2002

Dimethyl Sulfide-Boron Trihalide-Mediated Reactions of - Unsaturated Ketones with Aldehydes

Tetrahedron, 57, 8455, 2001

Self-Assisted Tandem Michael-Aldol Reactions of – Unsaturated Ketones with Aldehydes

Chem. Commun., 1958, 2001

Synthesis and Thermal Transformation of Stable Monocyclic – Thiabenzenes

J. Chem. Soc., Perkin Trans.1, 2269, 2001

Syntheses and Reactions of Cyclic Se-Alkoxy Se-Chloroselenuranes and Alkoxyselenonium Salts

Heteroatom Chem., 12, 317, 2001

Novel Acylation of a Vinyl Group by the Reaction of an Aldehyde and a Vinylselenonium Ylide

Chem. Commun., 839, 2001

Novel Ring Transformation of Dihydroselenines to Selenabicyclo 3.1.0 Hexanes

Heterocycles, 55, 465, 2001

Synthesis and Structure of 1-Methy1-2, 6-Bis (Electron-Withdrawing Group) Substituted Selenabenzenes

J. Chem. Soc. Perkin Trans.1, 529, 2001

Blockade of the Extracellular Signal-Regurated Kinase Pathway Induces Marked G1 Cell Cycle Arrest and Apoptosis in Tumor Cells

J. Biolg. Chem, 276, 2686, 2001

Synthesis and Properties of Novel Medium-Sized Heterocyclic Compounds Containing Two Sulfur Atoms in the Ring

Heterocycles, 54, 139, 2001

Synthesis and Reactivity of – Sulfonylvinylselenonium Salts

J. Chem. Soc., Perkin Trans. 1, 239, 2001

Dimethyl Sulfide-Boron Trihalide-Mediated Reactions of - Unsaturated Ketones with Aldehydes

Tetrahedron, 57, 8455, 2001

Self-Assisted Tandem Michael-Aldol Reactions of – Unsaturated Ketones with Aldehydes

Chem. Commun., 1958, 2001

Synthesis and Thermal Transformation of Stable Monocyclic – Thiabenzenes

J. Chem. Soc., Perkin Trans.1, 2269, 2001

Syntheses and Reactions of Cyclic Se-Alkoxy Se-Chloroselenuranes and Alkoxyselenonium Salts

Heteroatom Chem., 12, 317, 2001

Novel Acylation of a Vinyl Group by the Reaction of an Aldehyde and a Vinylselenonium Ylide

Chem. Commun., 839, 2001

Novel Ring Transformation of Dihydroselenines to Selenabicyclo 3.1.0 Hexanes

Heterocycles, 55, 465, 2001

Synthesis and Structure of 1-Methy1-2, 6-Bis (Electron-Withdrawing Group) Substituted Selenabenzenes

J. Chem. Soc. Perkin Trans.1, 529, 2001

Blockade of the Extracellular Signal-Regurated Kinase Pathway Induces Marked G1 Cell Cycle Arrest and Apoptosis in Tumor Cells

J. Biolg. Chem, 276, 2686, 2001

Synthesis and Properties of Novel Medium-Sized Heterocyclic Compounds Containing Two Sulfur Atoms in the Ring

Heterocycles, 54, 139, 2001

Synthesis and Reactivity of – Sulfonylvinylselenonium Salts

J. Chem. Soc., Perkin Trans. 1, 239, 2001

Reexamination of products and the reaction mechanism of the chalcogeno-Baylis-Hillman reaction: Chalcogenide-TiCl4-mediated reactions of electron-deficient alkenes with aldehydes

T Kataoka, H Kinoshita, T Iwama, S Tsujiyama, T Iwamura, S Watanabe, O Muraoka, G Tanabe

TETRAHEDRON, 56(27) 4725-4731, Jun, 2000

The first aryne evolution from the reactions of selenonium salts with aryllithiums

S Watanabe, K Yamamoto, Y Itagaki, T Iwamura, T Iwama, T Kataoka

TETRAHEDRON, 56(6) 855-863, Feb, 2000

A Novel Synthesis of 1, 2-Dialkylthio-and 2-Alkoxy-1-alkylthioethenes from β-Arylthioalkenylselenonium Salts and Its Application to the Synthesis of Medium-Membered Heterocycles Containing S and O Atoms.

┣DBSynlett(/)-┫DB, 49, 2000

Chalcogenide-TiCl₄-mediated Reactions of ┣DBS(/)-┫DB-Ethyl Thioacrylate with Aldehydes.

┣DBJ. Organomet. Chem.(/)-┫DB, 611(1/2) 455-462, 2000

A Novel Stereoselective Preparation of Various Vinyl Sulfide Derivatives Using β-Alkylthioalkenylselenonium Salts.

┣DBJ. Org. Chem.(/)-┫DB, 65(26) 8893-8898, 2000

Structure and Reaction of 2, 6-Bis(alkoxycarbonyl)-1-methy1-2┣DBH(/)-┫DB-and 4┣DBH(/)-┫DB-Selenopyranium Tetrafluoroborates.

┣DBHeterocycles(/)-┫DB, 53 1997, 2000

A Convenient Synthesis of α-Halomethylene Aldols or β-Halo-α-(hydroxyalkyl)acrylates Using the Chalcogeno-Baylis-Hillman Reaction.

┣DBAngew. Chem. Int. Ed.(/)-┫DB, 39(13) 2358-2360, 2000

2,6-diphenyl-4H-chalcogenopyran-4-ones and 2,6-diphenyl-4H-chalcogenopyran-4-thiones: a new catalyst for the Baylis-Hillman reaction

T Iwama, H Kinoshita, T Kataoka

TETRAHEDRON LETTERS, 40(19) 3741-3744, May, 1999

The first example of formation of the benzyne intermediate from the reactions of selenonium salts with phenyllithium

T Kataoka, S Watanabe, K Yamamoto

TETRAHEDRON LETTERS, 40(11) 2153-2156, Mar, 1999

The chalcogeno-Baylis-Hillman reaction of an alpha,beta-unsaturated thioester: A new approach to alpha-methylene-beta-hydroxy carboxylic acid derivatives

T Kataoka, T Iwama, H Kinoshita, S Tsujiyama, Y Tsurukami, T Iwamura, S Watanabe

SYNLETT, (2) 197-198, Feb, 1999

New Chemical Aspects of β-Sultams : Selective Hetero Bond Cleavage and Sequential Reactions.

Phosphorus, Sulfur and Silicon., 153 193, 1999

Reactions of alkynylselenonium salts with tetrabutylammonium halides: Apparent umpolung of alkynyl moiety

T Kataoka, S Watanabe, K Yamamoto

TETRAHEDRON LETTERS, 40(5) 931-934, Jan, 1999

A Novel Preparation of Chiral (Z)-O-Alkyl Enol Ethers From Alkenylselenonium Salts.

J. Chem. Soc., Perkin Trans. 1, 2053, 1999

First Isolation of Selenabenzenes Stabilized by Two Electron-withdrawing Groups at the 2-and 6-Positions.

J. Chem. Soc., Perkin Trans. 1, 1155, 1999

The Enantioselective Chalcogeno-Baylis-Hillman Reaction Using a Chiral Hydroxy Chalcogenide-TiCl₄ Complex.

Tadashi Kataoka, Tetsuo Iwama, Shin-ichiro Tsujiyama, Kiyoko Kanematsu, Tatsunori Iwamura, Shin-ichi Watanabe

Chem. Lett, (3) 257-258, 1999

A New Entry to Enantioselective Synthesis of α-Methylene-β-hydroxy Ketones by the Chalcogeno-Baylis-Hillman Reaction.

Tetsuo IWAMA, Shin-ichiro TSUJIYAMA, Hironori KINOSHITA, Kiyoko KANEMATSU, Yasuo TSURUKAMI, Tatsunori IWAMURA, Shin-ichi WATANABE, Tadashi KATAOKA

Chem. Pharm. Bull., 47(7) 956-961, 1999

Synthesis and Muscarinic Activity of Novel Aniline Derivatives with a 1-Azabicyclo [3.3.0] octane Moiety.

Chem. Pharm. Bull., 47(1) 28-36, 1999

The chalcogeno-Baylis-Hillman reaction: A new preparation of allylic alcohols from aldehydes and electron-deficient alkenes

T Kataoka, T Iwama, S Tsujiyama, T Iwamura, S Watanabe

TETRAHEDRON, 54(39) 11813-11824, Sep, 1998

Activation of the 41/43 kDa mitogen-activated protein kinase signaling pathway is required for hepatocyte growth factor-induced cell scattering

S Tanimura, Y Chatani, R Hoshino, M Sato, S Watanabe, T Kataoka, T Nakamura, M Kohno

ONCOGENE, 17(1) 57-65, Jul, 1998

Reactions of a beta-sultam ring with Lewis acids via the C-S bond cleavage

T Iwama, M Ogawa, T Kataoka, O Muraoka, G Tanabe

TETRAHEDRON, 54(31) 8941-8974, Jul, 1998

Reactions of 1,2-thiazetidine 1,1-dioxides with organometallics: beta-elimination and N-S bond cleavage

T Iwama, T Kataoka, O Muraoka, G Tanabe

TETRAHEDRON, 54(21) 5507-5522, May, 1998

Preparation of sulfonamides from sodium sulfonates: Ph3P center dot Br-2 and Ph3P center dot Cl-2 as a mild halogenating reagent for sulfonyl bromides and sulfonyl chlorides

T Kataoka, T Iwama, T Setta, A Takagi

SYNTHESIS-STUTTGART, (4) 423-426, Apr, 1998

Recent Advances in Synthetic Organic Chemistry on Selenium-stabilized Reactive Species.

Recent Research Developments in Organic Chemistry, 2 31, 1998

Synthesis of Phenylethynyldibenzoselenophenium Salt and Its Reactions with Nucleophiles

Phosphorus, Sulfur, and Silicon, 138 497, 1998

Reactions of Diphenyl(phenylethynyl)selenonium Salts with Active Methylene Compounds and Amides : First Isolation of Oxyselenuranes[10-Se-4(C3O)]as a Reaction Intermediate

J. Org. Chem., 63(18) 6382-6386, 1998

A New Synthesis of α-Amino Acid Thioesters by Pummerer Reaction of ε-Substituted-4-sultams.

J. Org. Chem., 63(23) 8355-8360, 1998

The Pummerer Reaction of 2-Vinylcyclopropyl Sulfoxides : Generation and Reactions of Butadienylthionium Ion Intermediates.

J. Chem. Soc. , Perkin Trans. 1, 1569, 1998

The Chalcogeno-Baylis-Hillman Reaction : The First Examples Catalysed by Chalcogenides in the Presence of Lewis Acids.

Chem. Commun., (2) 197-198, 1998

Synthesis and Muscarinic Activity of a Series of Quinolines and Naphthalenes with a 1-Azabicyclo[3.3.0]octane Moiety.

Tomoo SUZUKI, Toshinao USUI, Mitsuru OKA, Tsunemasa SUZUKI, Tadashi KATAOKA

Chem. Pharm. Bull., 46(8) 1265-1273, 1998

Serotonin 5-HT₄ Receptor Agonistic Activity of the Optical Isomers of(±)-4-Amino-N-[2-(1-azabicyclo[3.3.0]octan-5-yl)ethyl]-5-chloro-2,3-dihydro-2-methylbenzo[b]furan-7-carboxamide.

Chem. Pharm. Bull., 46(6) 1039-1043, 1998

Photochemical [3+2] Cycloaddition of 2'-Vinyl-2H-1,4-benzothiazin-3(4H)-one-2-spirocyclopropanes Catalyzed by Diphenyl Dichalcogenides.

Tetsuo IWAMA, Harutoshi MATSUMOTO, Taizo ITO, Hiroshi SHIMIZU, Tadashi KATAOKA

Chem. Pharm. Bull., 46(6) 913-917, 1998

Stereospecific C-N Bond Cleavage of 4-Silylated 1,2-Thiazetidine 1,1-Dioxides with EtAlCl₂ or Alcl₃ : Formation of (E)-Vinylsulfonamides.

Tetsuo IWAMA, Atsuko TAKAGI, Tadashi KATAOKA

Chem. Pharm. Bull., 46(5) 757-766, 1998

Conformational Effects on Photochemical Thiylation of 2'-Vinyl-2H-benzothizine-2-spirocyclopropan-3(4H)-ones.

Tadashi KATAOKA, Tetsuo IWAMA, Harutoshi MATSUMOTO

Chem. Pharm. Bull., 46(1) 151-153, 1998

Chemical Behavior of 2'-Vinyl-2H-benzothiazine-2-spirocyclopropan-3(4H)-ones in Acidic Media.

Tadashi KATAOKA, Tetsuo IWAMA, Harutoshi MATSUMOTO, Hirohito KONDO, Yoshihide NAKAMURA, Hiroshi SHIMIZU

Chem. Pharm. Bull., 46(1) 148-150, 1998

Synthesis and Structure-activity Relationship of 3-Substituted Benzamide, Benzo[b]furan-7-carboxamide, 2,3-Dihydrobenzo[b]furan-7-carboxamide, and Indole-5-carboxamide Derivatives as Selective Serotonin 5-HT₄ Receptor Agonists.

Chem. Pharm. Bull., 46(1) 42-52, 1998

Acid-promoted isomerisation of 1-acceptor-1-sulfenyl-substituted 2-vinylcyclopropanes with C-1-C-2 bond fission and novel 1,5-sulfenyl rearrangement

T Iwama, H Matsumoto, T Kataoka

JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, (6) 835-843, Mar, 1997

Reactions of alkynylselenonium salts with sodium benzenesulfinate

T Kataoka, Y Banno, S Watanabe, T Iwamura, H Shimizu

TETRAHEDRON LETTERS, 38(10) 1809-1812, Mar, 1997

Reactions of Thiazolo[3,2-b]-1,2,4-triazolium N-Ylides with Electron-deficient Acetylenes : Novel Benzoly Migration of Intermediary 1 : 1-Adducts and Michael Addition to the Acetylenes

Phosphorus, Sulphur, and Silicon, 120 471, 1997

N-[2-(1-Azabicyclo[3.3.0]octan-5-yl)ethyl]-2-nitroaniline, A Potent Muscarinic Agonist

Tomoo SUZUKI, Mituru OKA, Kouji MAEDA, Kenichi FURUSAWA, Takahiko MITANI, Tadashi KATAOKA

Chem. Pharm. Bull., 45(7) 1218-1220, 1997

A Convenient Synthesis of Alkynylpyrazoles

J. Chem. Soc. , Perkin Trans. 1, 695, 1997

Synthesis and Reactions of Lactam Sulfonium Salts with a Sulfonio Bridgehead. II. 1,1a, 4,5,6-Pentahydro-6-oxo-2H-thiopyrano[1,6-d]-4,1-benzothiazepinium Perchlorates

Tadashi KATAOKA, Yoshihide NAKAMURA, Harutoshi MATSUMOTO, Tetsuo IWAMA, Hiroshi SHIMIZU, Osamu MURAOKA, Genzoh TANABE

Chem. Pharm. Bull., 45(2) 265-271, 1997

Synthesis and Reactions of Lactam Sulfonium Salts with a Sulfonio Bridgehead. Part 1.4,4a, 5,6-Tetrahydro-5-oxo-1H-thiopyrano[1,2-a]-1,4-benzothiazinium Perchlorates

J. Chem. Soc. , Perkin Trans. 1,, 309, 1997

Polar Cycloaddition of 9-thianaphthalenium Salt with 1,3-Dienes

Tetrahedron, 53(13) 4611-4620, 1997

Recent studies on 1,2-thiazethidine 1,1-dioxides (beta-sultams)

T Iwama, T Kataoka

REVIEWS ON HETEROATOM CHEMISTRY, 15 25-60, 1996

Reinvestigation of Reactions of Thiazolium and Benzothiazolium N-Phenacyclides with Electron-deficient Acetylenes

J. Chem. Soc. , Perkin Trans. 1, 629, 1996

Selective C-N Bond Cleavage of 4-Silyl-substituted 1,2-Thiazetidine 1,1-Dioxides with EtA1C1₂ : Stereospecific Formation of (E)-Vinyl-sulfonamides

Tetrahedron Lett. ,, 37(13) 2257-2260, 1996

Stereospecific Syntheses of 5-Alkyl-3-ethoxy-2-[(phenylchalcogeno)methylene] tetrahydrofurans

J. Org. Chem., 61(23) 8200-8206, 1996

Novel Construction of 5-Methylenepyrrol-2-ones by Intramolecular Cyclization of Selenium-Stabilized Alkynyl Amides

J. Chem. Soc. , Perkin Trans. 1, 1839, 1996

RING TRANSFORMATION OF 1,2-THIAZETIDINE 1,1-DIOXIDES WITH LEWIS-ACIDS - FORMATION OF TRANS-1,2,3-OXATHIAZOLIDINE 2-OXIDES AND CIS-AZIRIDINES

T KATAOKA, T IWAMA

TETRAHEDRON LETTERS, 36(31) 5559-5562, Jul, 1995

ACID-PROMOTED C(1)-C(2) BOND FISSION AND SUBSEQUENT 1,5-SULFENYL SHIFT OF 1-ACCEPTOR-SULFENYL-11-SUBSTITUTED 2-VINYLCYCLOPROPANES - FORMATION OF 6-SULFENYL-ALPHA,BETA-GAMMA,DELTA-UNSATURATED CARBOXYLIC ESTERS AND NITRILES

T KATAOKA, H MATSUMOTO, T IWAMA, H SHIMIZU

CHEMISTRY LETTERS, (6) 459-460, Jun, 1995

A USEFUL SYNTHESIS OF ALPHA,BETA-BIS(METHYLSELENO)ALKANES AND ALPHA,DELTA-BIS(METHYLSELENCO)ALK-2-ENES BY THE REACTIONS OF ALKENES AND 1,3-DIENES WITH B(SEME)(3)-LEWIS ACID

M YOSHIMATSU, T ASAHI, H SHIMIZU, T KATAOKA

HETEROATOM CHEMISTRY, 6(3) 259-264, May, 1995

Alkyl Chalcogenides : Selenium- and Tellurium-based Functional Groups(共著)

Comprehensive Organic Functional Group Transformations, 2 277, 1995

Synthesis and Properties of a Novel Cyclic Sifilimine, 2-Methy1-2, 4, 1-benzodithiazin-2-ium-1-ide

Heteroatom Chemistry, 6(2) 167-176, 1995

Meyer-Schuster Rearrangement of γ-Sulfur-Substituted Propargyl Alcohols : A Convenient Synthesis of α, β-Unsaturated Thioesters

J. Org. Chem., 60(15) 4798-4802, 1995

Ring Transformation of the Adducts of the Polar Cycloadditions of 2-Benzothiopyrylium Salts

J. Chem. Soc., Perkin Trans. 1, 1583, 1995

Opioid Receptor Interaction and Adenyl Cyclase Inhibition of Dihydroetorphine : Direct Comparison with Etorphine

Life Sciences, 56(21) PL395, 1995

SELECTIVE C-S BOND-CLEAVAGE OF 3-ARYL-BETA-SULTAMS WITH ETALCL(2)

T KATAOKA, T IWAMA

TETRAHEDRON LETTERS, 36(2) 245-248, Jan, 1995

Generation and Reactions of Butadienylthionium Ions from 2-Vinylcyclopropyl Sulfoxides under Pummerer Conditions

J. Chem. Soc., Perkin Trans. 1, (7) 737, 1995

Dehydrosulfonylation of Conjugated Enyne Sulfones : Convenient Synthesis of Diyne Compounds

J. Chem. Soc., Chem. Commun., (5) 583-584, 1995

A Reaction of γ-Chalcogen-substituted Prop-2-ynyl Cations with Mild Nucleophiles

J. Chem. Soc., Chem. Commun., (2) 149-150, 1995

A NEW SYNTHESIS OF BETA-KETO AND BETA-FORMYL SULFONES BY THE REACTIONS OF IMINES AND SULFONYL CHLORIDES

T KATAOKA, T IWAMA

SYNLETT, (12) 1017-1019, Dec, 1994

NOVEL BENZOYL MIGRATION OF THE INTERMEDIARY 1/1 ADDUCTS OF 1,3-DIPOLAR CYCLOADDITION OF THIAZOLO[3,2-B][1,2,4]TRIAZOLIUM N-PHENACYLIDES WITH DIMETHYL ACETYLENEDICARBOXYLATE

T IWAMURA, T ICHIKAWA, H SHIMIZU, T KATAOKA, T KAI, H TAKAYANAGI, O MURAOKA

TETRAHEDRON LETTERS, 35(26) 4587-4590, Jun, 1994

Reactions of 9-Substituted 9-Thia-10-azaphenanthrenes with Electrophiles

J. Chem. Soc. , Perkin Trans. 1, 1709, 1994

Opioid Receptor Affinity of Dihydroetorphine in Comparison with Etorphine

Regulatory Peptides, 54(1) 211, 1994

A Novel Synthesis of (Z)-Enyedines and (Z)-Enynes from Prop-2-ynyl Alcohols

J. Chem. Soc. , Chem. Commun., (18) 2107-2108, 1994

Polar Cycloaddition of 2-Benzothiopyrylium Salts with Conjugated Dienes

J. Chem. Soc. , Perkins. Trans 1, 3129, 1994

New Transformation of Lactam Sulfide to Tetrahydro-3, 6-epithio-Benzazocines via Bicyclic Sulfonium Salts with a Sulfonio Bridgehead

Heterocycles, 38(8) 1733, 1994

Generation of Selenabenzenes Bearing an Electron-Withdrawing Group at the 2-Position

Tadashi KATAOKA, Yasuhiro OHE, Akira UMEDA, Tatsunori IWAMURA, Mitsuhiro YOSHIMATSU, Hiroshi SHIMIZU

Chem. Pharm. Bull., 42(4) 811-816, 1994

A New Method of Generation of α-selenocarbenium Ions from Se, O-Heteroacetals and Their Reactions

J. Org. Chem., 59(5) 1011-1019, 1994

Synthesis of 6- or 8-Carbon-Substituted 2-Oxopurines

Synthesis, (2) 203-206, 1994

Reactions of 9-Phenylthioxanthene 10-Oxide with Organometallic Reagents

Hiroshi SHIMIZU, Tadashi KATAOKA, Mikio HORI

Chem. Pharm. Bull., 41(5) 842-845, 1993

Novel Oxidative Ring Contraction of Dihydroselenopyrans to Selenophenes

J. Chem. Soc. , Chem. Commun., 577-579, 1993

A Useful Synthetic Method for α-Cyano Selenides

Synlett, 2,121-122, 1993

Versatile Cyclisation Reactions Using Selenoboranes

J. Chem. Soc. , Perkin Trans. 1, 121-129, 1993