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51

ChemInform Abstract: Chiral Ketone-Catalyzed Asymmetric Epoxidation of Olefins with Oxone®.

Koichiro Matsumoto, Kiyoshi Tomioka

Journal:

Year:

2002

File:

PDF, 33 KB

2002

52

ChemInform Abstract: An Approach to a Chiral Cycloalkanone-Mediated Asymmetric Epoxidation of Stilbene with Oxone®.

Koichiro Matsumoto, Kiyoshi Tomioka

Journal:

Year:

2002

File:

PDF, 31 KB

2002

53

ChemInform Abstract: Synthesis and Application of Chiral Bisphosphines Through Lithiation—Conjugate Addition Tandem Cyclization of Chiral α,β,ψ,ω-Unsaturated Bisphosphine Oxide.

Yasuo Nagaoka, Hideki Inoue, Nawal El-Koussi, Kiyoshi Tomioka

Journal:

Year:

2002

File:

PDF, 30 KB

2002

54

ChemInform Abstract: Efficient Chiral Amidophosphine Ligand for Copper-Catalyzed Asymmetric Addition of Diethylzinc to N-Sulfonylimines.

Kazushige Nagai, Hidetaka Fujihara, Masami Kuriyama, Ken-ichi Yamada, Kiyoshi Tomioka

Journal:

Year:

2002

File:

PDF, 28 KB

2002

55

ChemInform Abstract: Total Synthesis of (-)-Neplanocin A by Using Lithium Thiolate-Initiated Michael—Aldol Tandem Cyclization Reaction.

Masashi Ono, Katsumi Nishimura, Hiroshi Tsubouchi, Yasuo Nagaoka, Kiyoshi Tomioka

Journal:

Year:

2002

File:

PDF, 31 KB

2002

56

ChemInform Abstract: Synthesis of Allenes by Double Horner—Wadsworth—Emmons Reaction.

Hideki Inoue, Hiroshi Tsubouchi, Yasuo Nagaoka, Kiyoshi Tomioka

Journal:

Year:

2002

File:

PDF, 31 KB

2002

57

ChemInform Abstract: Chiral Amino Ether Controlled Catalytic Enantioselective Arylthiol Conjugate Additions to α,β-Unsaturated Esters and Ketones: Scope, Structural Requirements, and Mechanistic Implications.

Katsumi Nishimura, Kiyoshi Tomioka

Journal:

Year:

2002

File:

PDF, 39 KB

2002

58

A New Methodology for Synthesis of a Chiral Phosphinocarboxylic Acid Through Michael Cyclization—Aldol Tandem Reaction of Chiral α,β,ψ,ω-Unsaturated Bisphosphine Oxide and Application in Palladium-Catalyzed Asymmetric Allylic Alkylation.

Hediki Inoue, Yasuo Nagaoka, Kiyoshi Tomioka

Journal:

Year:

2003

File:

PDF, 193 KB

2003

59

A Chiral Ligand-Mediated Asymmetric Addition of a Lithium BHA Ester Enolate to an Aldehyde.

Yumiko Nomura, Mayu Iguchi, Hirohisa Doi, Kiyoshi Tomioka

Journal:

Year:

2003

File:

PDF, 182 KB

2003

60

Radical Addition of Ethers to Imines Initiated by Dimethylzinc.

Ken-ichi Yamada, Hidetaka Fujihara, Yasutomo Yamamoto, Yoshihisa Miwa, Tooru Taga, Kiyoshi Tomioka

Journal:

Year:

2003

File:

PDF, 172 KB

2003

61

Asymmetric Conjugate Addition of Arylthiols to Enoates and Its Application to Organic Synthesis of Biologically Potent Compounds

Katsumi Nishimura, Kiyoshi Tomioka

Journal:

Year:

2003

File:

PDF, 4 KB

2003

62

Chiral Ligand Controlled Asymmetric Conjugate Addition of Lithium Amides to Enoates.

Hirohisa Doi, Takeo Sakai, Mayu Iguchi, Ken-ichi Yamada, Kiyoshi Tomioka

Journal:

Year:

2003

File:

PDF, 170 KB

2003

63

Cancer Preventive Potential of Trichothecenes from Trichothecium roseum.

Kazuhide Konishi, Akira Iida, Masafumi Kaneko, Kiyoshi Tomioka, Harukuni Tokuda, Hoyoku Nishino, Yuko Kumeda

Journal:

Year:

2003

File:

PDF, 67 KB

2003

64

Initiator-Dependent Chemoselective Addition of THF Radical to Aldehyde and Aldimine and Its Application to a Three-Component Reaction.

Ken-ichi Yamada, Yasutomo Yamamoto, Kiyoshi Tomioka

Journal:

Year:

2003

File:

PDF, 137 KB

2003

65

Chiral Ligand Controlled Catalytic Asymmetric Epoxidation of α,β-Unsaturated Carbonyl Compounds with Peroxide.

Yoshihito Tanaka, Katsumi Nishimura, Kiyoshi Tomioka

Journal:

Year:

2003

File:

PDF, 220 KB

2003

66

Enantioselective Conjugate Addition and 1,2-Addition to C=N of Organolithium Reagents

Mayu Iguchi, Ken-ichi Yamada, Kiyoshi Tomioka

Journal:

Year:

2003

File:

PDF, 50 KB

2003

67

Asymmetric Alkylation of N-Toluenesulfonylimines with Dialkylzinc Reagents Catalyzed by Copper—Chiral Amidophosphine.

Takahiro Soeta, Kazushige Nagai, Hidetaka Fujihara, Masami Kuriyama, Kiyoshi Tomioka

Journal:

Year:

2004

File:

PDF, 178 KB

2004

68

Unexpected Reaction of a Dimethylzinc-Generated THF Radical with Aldehydes.

Yasutomo Yamamoto, Ken-ichi Yamada, Kiyoshi Tomioka

Journal:

Year:

2004

File:

PDF, 77 KB

2004

69

Construction of Arene-Fused-Piperidine Motifs by Asymmetric Addition of 2-Trityloxymethylaryllithiums to Nitroalkenes: The Asymmetric Synthesis of a Dopamine D1 Full Agonist, A-86929.

Mitsuaki Yamashita, Ken-ichi Yamada, Kiyoshi Tomioka

Journal:

Year:

2004

File:

PDF, 200 KB

2004

70

Asymmetric Reactions Based on Activation and Structure Control of Molecule — Asymmetric Reaction of Lithiated Nucleophiles

Kiyoshi Tomioka

Journal:

Year:

2004

File:

PDF, 51 KB

2004

71

Chiral Ligand-Controlled Asymmetric Conjugate Addition of α-Trimethylsilanylacetate to Acyclic and Cyclic Enones.

Mayu Iguchi, Hirohisa Doi, Seiji Hata, Kiyoshi Tomioka

Journal:

Year:

2004

File:

PDF, 178 KB

2004

72

Efficient Synthesis of (.+-.)-γ-Lycorane Employing Stereoselective Conjugate Addition to Nitroolefin.

Tomohisa Yasuhara, Emi Osafune, Katsumi Nishimura, Mitsuaki Yamashita, Ken-ichi Yamada, Osamu Muraoka, Kiyoshi Tomioka

Journal:

Year:

2004

File:

PDF, 134 KB

2004

73

Lithium Amide Assisted Asymmetric Mannich-Type Reactions of Menthyl Acetate with PMP-Aldimines.

Seiji Hata, Mayu Iguchi, Tetsuo Iwasawa, Ken-ichi Yamada, Kiyoshi Tomioka

Journal:

Year:

2004

File:

PDF, 19 KB

2004

74

N-Boc-L-Valine-Connected Amidomonophosphane Rhodium(I) Catalyst for Asymmetric Arylation of N-Tosylarylimines with Arylboroxines.

Masami Kuriyama, Takahiro Soeta, Xinyu Hao, Qian Chen, Kiyoshi Tomioka

Journal:

Year:

2004

File:

PDF, 21 KB

2004

75

N-Allyl-N-tert-butyldimethylsilylamine for Chiral Ligand-Controlled Asymmetric Conjugate Addition to tert-Butyl Alkenoates.

Hirohisa Doi, Takeo Sakai, Ken-ichi Yamada, Kiyoshi Tomioka

Journal:

Year:

2005

File:

PDF, 143 KB

2005

76

Synthesis of Nitrogen-Functionalized Cyclohexanes Using Chemoselective Conjugate Addition of Phenyllithium to Linear ω-Nitro-α,β,ψ,ω-Unsaturated Ester and Subsequent Stereoselective Intramolecular Nitro-Michael Cyclization.

Tomohisa Yasuhara, Katsumi Nishimura, Emi Osafune, Osamu Muraoka, Kiyoshi Tomioka

Journal:

Year:

2005

File:

PDF, 20 KB

2005

77

Radical Reactions Initiated by Dimethylzinc

Ken-ichi Yamada, Yasutomo Yamamoto, Kiyoshi Tomioka

Journal:

Year:

2005

File:

PDF, 15 KB

2005

78

Dimethylzinc-Initiated Radical Reaction of Cyclic Ethers with Arylamines, Alkoxyamines, and Dialkylhydrazines.

Yasutomo Yamamoto, Masaru Maekawa, Tito Akindele, Ken-ichi Yamada, Kiyoshi Tomioka

Journal:

Year:

2005

File:

PDF, 29 KB

2005

79

Catalytic Asymmetric Conjugate Addition of Dialkylzinc Reagents to β-Aryl-α,β-unsaturated N-2,4,6-Triisopropylphenylsulfonylaldimines with Use of N-Boc-L-Val-Connected Amidophosphane-Copper(I) Catalyst.

Takahiro Soeta, Masami Kuriyama, Kiyoshi Tomioka

Journal:

Year:

2005

File:

PDF, 25 KB

2005

80

Thiol-Catalyzed Acyl Radical Cyclization of Alkenals.

Kazuya Yoshikai, Tomoharu Hayama, Katsumi Nishimura, Ken-ichi Yamada, Kiyoshi Tomioka

Journal:

Year:

2005

File:

PDF, 31 KB

2005

81

Conjugate Addition of Organometallics to Activated Olefins

Kiyoshi Tomioka

Journal:

Year:

2005

File:

PDF, 8 KB

2005

82

Enantioselective Synthesis of Allenes

Hiroaki Ohno, Yasuo Nagaoka, Kiyoshi Tomioka

Journal:

Year:

2005

File:

PDF, 8 KB

2005

83

Chiral Amino Alcohol-Mediated Asymmetric Conjugate Addition of Arylalkynes to Nitroolefins.

Mitsuaki Yamashita, Ken-ichi Yamada, Kiyoshi Tomioka

Journal:

Year:

2005

File:

PDF, 25 KB

2005

84

Chiral Amidophosphane—Copper-Catalyzed Asymmetric Conjugate Addition of Dialkylzinc Reagents to Nitroalkynes.

Fanny Valleix, Kazushige Nagai, Takahiro Soeta, Masami Kuriyama, Ken-ichi Yamada, Kiyoshi Tomioka

Journal:

Year:

2005

File:

PDF, 28 KB

2005

85

Asymmetric Synthesis of 5-Arylcyclohexenones by Rhodium(I)-Catalyzed Conjugate Arylation of Racemic 5-(Trimethylsilyl)cyclohexenone with Arylboronic Acids.

Qian Chen, Masami Kuriyama, Takahiro Soeta, Xinyu Hao, Ken-ichi Yamada, Kiyoshi Tomioka

Journal:

Year:

2006

File:

PDF, 43 KB

2006

86

ChemInform Abstract: Dimethylzinc-Initiated Radical Reactions

Tito Akindele, Ken-ichi Yamada, Kiyoshi Tomioka

Journal:

Year:

2009

File:

PDF, 15 KB

2009

87

ChemInform Abstract: Aminolithiation of Carbon—Carbon Double Bonds as a Powerful Tool in Organic Synthesis

Kiyoshi Tomioka, Takeo Sakai, Tokutaro Ogata, Yasutomo Yamamoto

Journal:

Year:

2009

File:

PDF, 11 KB

2009

88

ChemInform Abstract: Total Synthesis of (-)-Lycorine and (-)-2-epi-Lycorine by Asymmetric Conjugate Addition Cascade.

Ken-ichi Yamada, Mitsuaki Yamashita, Takaaki Sumiyoshi, Katsumi Nishimura, Kiyoshi Tomioka

Journal:

Year:

2009

File:

PDF, 20 KB

2009

89

ChemInform Abstract: Accessing the Amide Functionality by the Mild and Low-Cost Oxidation of Imine.

Magdi A. Mohamed, Ken-ichi Yamada, Kiyoshi Tomioka

Journal:

Year:

2009

File:

PDF, 29 KB

2009

90

ChemInform Abstract: Asymmetric Construction of Binaphthyl by the Chiral Diether-Mediated Conjugate Addition of Naphthyllithium to Naphthalenecarboxylic Acid 2,6-Di-t-butyl-4-methoxyphenyl Ester.

Mitsuru Shindo, Yasutomo Yamamoto, Ken-ichi Yamada, Kiyoshi Tomioka

Journal:

Year:

2009

File:

PDF, 22 KB

2009

91

ChemInform Abstract: Chiral Amidophosphane—Rhodium(I)-Catalyzed Asymmetric Conjugate Arylation of Acyclic Enones with Arylboronic Acids.

Qian Chen, Masami Kuriyama, Xinyu Hao, Takahiro Soeta, Yasutomo Yamamoto, Ken-ichi Yamada, Kiyoshi Tomioka

Journal:

Year:

2010

File:

PDF, 32 KB

2010

92

ChemInform Abstract: Steric Tuning of the Amidomonophosphane-Rhodium(I) Catalyst in Asymmetric Addition of Arylboroxines to N-Phosphinoyl Aldimines.

Xinyu Hao, Masami Kuriyama, Qian Chen, Yasutomo Yamamoto, Ken-ichi Yamada, Kiyoshi Tomioka

Journal:

Year:

2010

File:

PDF, 39 KB

2010

93

ChemInform Abstract: Chiral Carbene Approach to Gold-Catalyzed Asymmetric Cyclization of 1,6-Enynes.

Yasumasa Matsumoto, Khalid B. Selim, Hirotsugu Nakanishi, Ken-ichi Yamada, Yasutomo Yamamoto, Kiyoshi Tomioka

Journal:

Year:

2010

File:

PDF, 29 KB

2010

94

ChemInform Abstract: Stereoselective Radical Addition of an Acetal to Sterically Tuned Enantiomerically Pure N-Sulfinyl Imines.

Tito Akindele, Ken-ichi Yamada, Takumi Sejima, Masaru Maekawa, Yasutomo Yamamoto, Mayu Nakano, Kiyoshi Tomioka

Journal:

Year:

2010

File:

PDF, 38 KB

2010

95

ChemInform Abstract: Stereoselective Formal Synthesis of (+)-Allokainic Acid via Thiol-Mediated Acyl Radical Cyclization.

Ken-ichi Yamada, Tomohiro Sato, Masaki Hosoi, Yasutomo Yamamoto, Kiyoshi Tomioka

Journal:

Year:

2011

File:

PDF, 25 KB

2011

96

ChemInform Abstract: Chiral N-Heterocyclic Carbene—Copper(I)-Catalyzed Asymmetric Allylic Arylation of Aliphatic Allylic Bromides: Steric and Electronic Effects on γ-Selectivity.

Khalid B. Selim, Hirotsugu Nakanishi, Yasumasa Matsumoto, Yasutomo Yamamoto, Ken-ichi Yamada, Kiyoshi Tomioka

Journal:

Year:

2011

File:

PDF, 43 KB

2011

97

ChemInform Abstract: Rhodium-Catalyzed Asymmetric Phenylation of N-Phosphinoylarylimines with Triphenylborane.

Xinyu Hao, Qian Chen, Masami Kuriyama, Ken-ichi Yamada, Yasutomo Yamamoto, Kiyoshi Tomioka

Journal:

Year:

2011

File:

PDF, 27 KB

2011

98

ChemInform Abstract: Steric Influence of N-Phosphorus-arylimines on the Rhodium-Catalyzed Asymmetric Arylation.

Xinyu Hao, Qian Chen, Ken-ichi Yamada, Yasutomo Yamamoto, Kiyoshi Tomioka

Journal:

Year:

2012

File:

PDF, 35 KB

2012

99

Stereoselective reactions. 15.1 total synthesis of (+)-ivalin by utilizing asymmetric double alkylation reaction of α,β-unsaturated aldimine

Kiyoshi Tomioka, Fumio Masumi, Toyoharu Yamashita, Kenji Koga

Journal:

Year:

1989

Language:

english

File:

PDF, 620 KB

english, 1989

100

First asymmetric total synthesis of (+)-steganacin determination of absolute stereochemistry

Kiyoshi Tomioka, Tsuneo Ishiguro, Kenji Koga

Journal:

Tetrahedron Letters

Year:

1980

Language:

english

File:

PDF, 291 KB

english, 1980