Ibuka, Toshiro.: шукати на сайті Z-Library

Рік:

1999

Файл:

PDF, 41 KB

1999

ChemInform Abstract: Synthesis of Chiral Amino Allenes via an Organocyanocuprate-Mediated Ring-Opening Reaction of Enantiopure Ethynylaziridines.

Hiroaki Ohno, Ayako Toda, Yoshihisa Miwa, Tooru Taga, Nobutaka Fujii, Toshiro Ibuka

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Рік:

1999

Файл:

PDF, 29 KB

1999

ChemInform Abstract: A Convenient Synthesis of Activated Enantiomerically Pure 2-Ethynylaziridines.

Hiroaki Ohno, Ayako Toda, Nobutaka Fujii, Toshiro Ibuka

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Рік:

1999

Файл:

PDF, 27 KB

1999

ChemInform Abstract: Sterically Congested Chiral Activated Aziridines: Synthesis of Both 2,3-cis- and 2,3-trans-2-Alkenyl-3-alkylaziridines from Common Intermediates.

Hiroaki Ohno, Ayako Toda, Nobutaka Fujii, Yoshihisa Miwa, Tooru Taga, Yumiko Yamaoka, Eriko Osawa, Toshiro Ibuka

Журнал:

Рік:

1999

Файл:

PDF, 30 KB

1999

ChemInform Abstract: Asymmetric Synthesis of (Diene)Fe(CO)3 Complexes by a Catalytic Enantioselective Alkylation Using Dialkylzincs.

Yoshiji Takemoto, Yasutaka Baba, Asami Honda, Syusuke Nakao, Izumi Noguchi, Chuzo Iwata, Tetsuaki Tanaka, Toshiro Ibuka

Журнал:

Kiyonori Ishii, Hiroaki Ohno, Yoshiji Takemoto, Toshiro Ibuka

Рік:

1999

Файл:

PDF, 33 KB

1999

ChemInform Abstract: Selective Synthesis of Nonracemic 3-Pyrrolines and 2,3-cis-2-Vinylaziridines from (Z)-Amino Allylic Alcohols: A New Synthetic Route to Chiral 3,4-Dehydroproline.

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Рік:

1999

Файл:

PDF, 31 KB

1999

ChemInform Abstract: First Palladium-Catalyzed Aziridination Reaction of Amino Allenes.

Hiroaki Ohno, Ayako Toda, Yoshihisa Miwa, Tooru Taga, Eriko Osawa, Yumiko Yamaoka, Nobutaka Fujii, Toshiro Ibuka

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Рік:

1999

Файл:

PDF, 29 KB

1999

ChemInform Abstract: Selective Synthesis of cis-2-Vinyl-3-alkylaziridines and 3-Pyrrolines from Common Intermediates (Z)-4-N-Arylsulfonylaminoalk-2-en-1-ols.

Kiyonori Ishii, Hiroaki Ohno, Yoshiji Takemoto, Eriko Osawa, Yumiko Yamaoka, Nobutaka Fujii, Toshiro Ibuka

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Рік:

1999

Файл:

PDF, 33 KB

1999

ChemInform Abstract: Palladium-Catalyzed Regio- and Stereoselective Synthesis of N-Protected 2,4-Dialkylated Azacyclobutanes from Amino Allenes.

Miyuki Anzai, Ayako Toda, Hiroaki Ohno, Yoshiji Takemoto, Nobutaka Fujii, Toshiro Ibuka

Журнал:

Рік:

2000

Файл:

PDF, 29 KB

2000

ChemInform Abstract: Regiospecific Ring-Opening Reactions of β-Aziridinyl α,β-Enoates with Acids: Application to the Stereoselective Synthesis of a Couple of Diastereoisomeric (E)-Alkene Dipeptide Isosteres from a Single β-Aziridinyl α,β-Enoate and to the Convenient Preparation of Amino Alcohols Bearing α,β-Unsaturated Ester Groups.

Hirokazu Tamamura, Masaki Yamashita, Yutaka Nakajima, Kyoko Sakano, Akira Otaka, Hiroaki Ohno, Toshiro Ibuka, Nobutaka Fujii

Журнал:

Рік:

2000

Мова:

english

Файл:

PDF, 41 KB

english, 2000

ChemInform Abstract: Convenient Syntheses of Chiral 3-Substituted 2-Ethynylaziridines.

Hiroaki Ohno, Ayako Toda, Yoshiji Takemoto, Nobutaka Fujii, Toshiro Ibuka

Журнал:

Reiko Yanada, Nobuyuki Negoro, Masanori Okaniwa, Toshiro Ibuka

Рік:

2000

Файл:

PDF, 29 KB

2000

ChemInform Abstract: Diastereoselective Allylation and Alkylation of Optically Active Imines with Metallic Samarium and a Catalytic Amount of Iodine.

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Рік:

2000

Файл:

PDF, 32 KB

2000

ChemInform Abstract: Stereospecific 1,3-Migration of an Fe(CO)3 Group on Acyclic Conjugated Trienes Bearing an Electron-Withdrawing Group.

Yoshiji Takemoto, Kiyonori Ishii, Yoshihisa Miwa, Tooru Taga, Toshiro Ibuka, Syusuke Nakao, Tetsuaki Tanaka

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Рік:

2000

Файл:

PDF, 33 KB

2000

ChemInform Abstract: CAN Induced Double Ether Ring Formation: Synthesis of trans- and cis-Fused Tricyclic Ethers from 3-Oxabicyclo[3.1.0]hexyl Sulfides.

Yoshiji Takemoto, Syun-ichirou Furuse, Hiroki Hayase, Tomoki Echigo, Chuzo Iwata, Tetsuaki Tanaka, Toshiro Ibuka

Журнал:

Masanori Okaniwa, Reiko Yanada, Toshiro Ibuka

Рік:

2000

Мова:

english

Файл:

PDF, 35 KB

english, 2000

ChemInform Abstract: Enantioselective Addition of Diethylzinc to Aldehydes with Novel Chiral C2-Symmetric Dimeric Ligands.

Журнал:

Рік:

2000

Файл:

PDF, 31 KB

2000

ChemInform Abstract: Asymmetric Total Synthesis of Halicholactone.

Yoshiji Takemoto, Yasutaka Baba, Goutum Saha, Syusuke Nakao, Chuzo Iwata, Tetsuaki Tanaka, Toshiro Ibuka

Журнал:

Рік:

2000

Файл:

PDF, 33 KB

2000

ChemInform Abstract: Novel Synthesis of Chiral Terminal Allenes via Palladium(0)-Catalyzed Reduction of Mesylates of 2-Bromoalk-2-en-1-ols Bearing a Protected Amino Group, Using Diethylzinc.

Hiroaki Ohno, Ayako Toda, Shinya Oishi, Tetsuaki Tanaka, Yoshiji Takemoto, Nobutaka Fujii, Toshiro Ibuka

Журнал:

Reiko Yanada, Toshiro Ibuka

Рік:

2000

Файл:

PDF, 30 KB

2000

ChemInform Abstract: The Development of Organic Reactions with Metallic Samarium

Журнал:

Рік:

2000

Файл:

PDF, 25 KB

2000

ChemInform Abstract: Z-Selective Horner—Wadsworth—Emmons Reaction of Ethyl (Diarylphosphono)acetates Using Sodium Iodide and DBU.

Kaori Ando, Tohru Oishi, Masahiro Hirama, Hiroaki Ohno, Toshiro Ibuka

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Рік:

2000

Файл:

PDF, 38 KB

2000

ChemInform Abstract: Remote Asymmetric Induction by Using the 1,3-Migration Reaction of (Diene)iron Tricarbonyl Complexes.

Yoshiji Takemoto, Kiyonori Ishii, Asami Honda, Kazuya Okamoto, Reiko Yanada, Toshiro Ibuka

Журнал:

Рік:

2000

Файл:

PDF, 37 KB

2000

ChemInform Abstract: Stereoselective Synthesis of Chiral Amino Allenes by Organocopper-Mediated anti-SN2′-Substitution Reaction of Chiral Ethynylaziridines.

Hiroaki Ohno, Ayako Toda, Nobutaka Fujii, Yoshiji Takemoto, Tetsuaki Tanaka, Toshiro Ibuka

Журнал:

Рік:

2001

Файл:

PDF, 30 KB

2001

ChemInform Abstract: Stereoselective Synthesis of Nonracemic 1,3-Amino Alcohols from Chiral 2-Vinylaziridines by InI—Pd(0)-Promoted Metalation.

Yoshiji Takemoto, Miyuki Anzai, Reiko Yanada, Nobutaka Fujii, Hiroaki Ohno, Toshiro Ibuka

Журнал:

Рік:

2001

Файл:

PDF, 30 KB

2001

ChemInform Abstract: Asymmetric Total Synthesis of Halicholactone.

Yasutaka Baba, Goutam Saha, Syusuke Nakao, Chuzo Iwata, Tetsuaki Tanaka, Toshiro Ibuka, Hirofumi Ohishi, Yoshiji Takemoto

Журнал:

Kazuya Okamoto, Tetsutaro Kimachi, Toshiro Ibuka, Yoshiji Takemoto

Рік:

2001

Файл:

PDF, 31 KB

2001

ChemInform Abstract: The Role of the Planar Chirality of Iron Tricarbonyl Substituted Homochiral Amino Alcohols in the Asymmetric Alkylation of Aldehydes with Diethylzinc.

Журнал:

Рік:

2001

Файл:

PDF, 37 KB

2001

ChemInform Abstract: Stereoselective Synthesis of 2-Alkenylaziridines and 2-Alkenylazetidines by Palladium-Catalyzed Intramolecular Amination of α- and β-Amino Allenes.

Hiroaki Ohno, Miyuki Anzai, Ayako Toda, Shinya Ohishi, Nobutaka Fujii, Tetsuaki Tanaka, Yoshiji Takemoto, Toshiro Ibuka

Журнал:

Рік:

2001

Файл:

PDF, 38 KB

2001

Asymmetric Synthesis of β2,3-Amino Acids by InI—Pd(0)-Promoted Metalation and Addition of Chiral 2-Vinylaziridines.

Miyuki Anzai, Reiko Yanada, Nobutaka Fujii, Hiroaki Ohno, Toshiro Ibuka, Yoshiji Takemoto

Журнал:

Рік:

2002

Файл:

PDF, 45 KB

2002

Stereodivergent Synthesis of Chiral 2-Alkenylaziridines: Palladium(0)-Catalyzed 2,3-cis-Selective Aziridination and Base-Mediated 2,3-trans-Selective Aziridination.

Hiroaki Ohno, Yoshiji Takemoto, Nobutaka Fujii, Tetsuaki Tanaka, Toshiro Ibuka

Журнал:

Kuo-Hsiung Lee, Toshiro Ibuka, Huan-Chang Huang, David L. Harris

Рік:

2004

Файл:

PDF, 181 KB

2004

Antitumor agents XIV: Molephantinin, a new potent antitumor sesquiterpene lactone from Elephantopus mollis

Журнал:

Journal of Pharmaceutical Sciences

Рік:

1975

Мова:

english

Файл:

PDF, 233 KB

english, 1975

Antitumor agents XXX: Evaluation of α-methylene-γ-lactone-containing agents for inhibition of tumor growth, respiration, and nucleic acid synthesis

Iris H. Hall, Kuo-Hsiung Lee, Charles O. Starnes, Salwa A. Eigebaly, Toshiro Ibuka, Yih-Shiong Wu, Takeatsu Kimura, Mitsumasa Haruna

Журнал:

Journal of Pharmaceutical Sciences

Рік:

1978

Мова:

english

Файл:

PDF, 572 KB

english, 1978

Antitumor agents XXXVIII: Isolation and structural elucidation of novel germacranolides and triterpenes from Elephantopus mollis

Kuo-Hsiung Lee, Toshiro Ibuka, Hiroshi Furukawa, Mutsuo Kozuka, Rong-Yang Wu, Iris H. Hall, Huan-Chang Huang

Журнал:

Journal of Pharmaceutical Sciences

Рік:

1980

Мова:

english

Файл:

PDF, 768 KB

english, 1980

Differences in the reaction of electron deficient olefins with organocopper(I)-Lewis acid reagents and evidence for a dianionic equivalent

Toshiro Ibuka, Takeshi Aoyagi, Kazuko Kitada, Fumio Yoneda, Yoshinori Yamamoto

Журнал:

Journal of Organometallic Chemistry

Рік:

1985

Мова:

english

Файл:

PDF, 325 KB

english, 1985

An aza-Payne rearrangement-epoxide ring opening reaction of 2-aziridinemethanols in a one-pot manner: A regio- and stereoselective synthetic route to diastereomerically pure N-protected 1,2-amino alcohols

Toshiro Ibuka, Kazuo Nakai, Masako Akaji, Hirokazu Tamamura, Nobutaka Fujii, Yoshinori Yamamoto

Журнал:

Рік:

1996

Мова:

english

Файл:

PDF, 1.06 MB

english, 1996

“Higher order” zinc cuprates involving lithium chloride: Synthesis of (E)-alkene dipeptide isosteres free from reductive elimination products

Toshiro Ibuka, Hidenori Yoshizawa, Hiromu Habashita, Nobutaka Fujii, Yukiyasu Chounan, Miwa Tanaka, Yoshinori Yamamoto

Журнал:

Рік:

1992

Мова:

english

Файл:

PDF, 385 KB

english, 1992

A one-pot aza-Payne rearrangement-epoxide ring opening reaction of 2-aziridinemethanols: A regio- and stereoselective synthetic route to diastereomerically pure 1,2-amino alcohols

Kazuo Nakai, Toshiro Ibuka, Akira Otaka, Hirokazu Tamamura, Nobutaka Fujii, Yoshinori Yamamoto

Журнал:

Рік:

1995

Мова:

english

Файл:

PDF, 256 KB

english, 1995

A thermodynamic preference of chiral cis-γ,δ-epimino-(E)-α,β-unsaturated esters over other stereoisomers: Synthetically useful Pd(0)-catalyzed equilibrated reactions of aziridines bearing an α,β-unsaturated ester group

Toshiro Ibuka, Masako Akaji, Norio Mimura, Hiromu Habashita, Kazuo Nakai, Hirokazu Tamamura, Nobutaka Fujii, Yoshinori Yamamoto

Журнал:

Рік:

1996

Мова:

english

Файл:

PDF, 258 KB

english, 1996

Stereoselective Synthesis of Chiral Amino Allenes by Organocopper-Mediated anti-SN2′-Substitution Reaction of Chiral Ethynylaziridines

Hiroaki Ohno, Ayako Toda, Nobutaka Fujii, Yoshiji Takemoto, Tetsuaki Tanaka, Toshiro Ibuka

Журнал:

Рік:

2000

Мова:

english

Файл:

PDF, 278 KB

english, 2000

Remarkable difference in reactivity of ordinary vinylcopper reagents and vinylzinc halide containing a copper salt towards γ-mesyloxy-α, β-enoates. Synthesis of homochiral 1,4-dienes

Toshiro Ibuka, Kazuo Nakai, Hiromu Habashita, Kiyoshi Bessho, Nobutaka Fujii, Yukiyasu Chounan, Yoshinori Yamamoto

Журнал:

Рік:

1993

Мова:

english

Файл:

PDF, 904 KB

english, 1993

Asymmetric synthesis of β2,3-amino acids by InI–Pd(0)-promoted metalation and addition of chiral 2-vinylaziridines

Miyuki Anzai, Reiko Yanada, Nobutaka Fujii, Hiroaki Ohno, Toshiro Ibuka, Yoshiji Takemoto

Журнал:

Рік:

2002

Мова:

english

Файл:

PDF, 176 KB

english, 2002

Palladium-catalyzed reductive ring opening with formic acid of aziridines bearing an α,β-unsaturated ester group

Hiroaki Ohno, Norio Mimura, Akira Otaka, Hirokazu Tamamura, Nobutaka Fujii, Toshiro Ibuka, Isao Shimizu, Akiharu Satake, Yoshinori Yamamoto

Журнал:

Reiko Yanada, Nobuyuki Negoro, Masanori Okaniwa, Toshiro Ibuka

Рік:

1997

Мова:

english

Файл:

PDF, 1.00 MB

english, 1997

Diastereoselective allylation and alkylation of optically active imines with metallic samarium and a catalytic amount of iodine

Журнал:

Рік:

1999

Мова:

english

Файл:

PDF, 669 KB

english, 1999

Asymmetric total synthesis of halicholactone

Yoshiji Takemoto, Yasutaka Baba, Goutum Saha, Syusuke Nakao, Chuzo Iwata, Tetsuaki Tanaka *, Toshiro Ibuka

Журнал:

Рік:

2000

Мова:

english

Файл:

PDF, 134 KB

english, 2000

Novel synthesis of chiral terminal allenes via palladium(0)-catalyzed reduction of mesylates of 2-bromoalk-2-en-1-ols bearing a protected amino group, using diethylzinc

Hiroaki Ohno, Ayako Toda, Shinya Oishi, Tetsuaki Tanaka, Yoshiji Takemoto, Nobutaka Fujii, Toshiro Ibuka

Журнал:

Рік:

2000

Мова:

english

Файл:

PDF, 120 KB

english, 2000

Stereoselective synthesis of nonracemic 1,3-amino alcohols from chiral 2-vinylaziridines by InI–Pd(0)-promoted metalation

Yoshiji Takemoto, Miyuki Anzai, Reiko Yanada, Nobutaka Fujii, Hiroaki Ohno, Toshiro Ibuka

Журнал: