Yoshitaka Hamashima: search on Z-Library

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1

Simple Photo-Induced Trifluoromethylation of Aromatic Rings

Egami, Hiromichi, Ito, Yuta, Ide, Takafumi, Masuda, Shuya, Hamashima, Yoshitaka

Journal:

Year:

2018

Language:

english

File:

PDF, 212 KB

english, 2018

2

Benzylic C–H Trifluoromethylation via Photoenol

Ide, Takafumi, Masuda, Shuya, Kawato, Yuji, Egami, Hiromichi, Hamashima, Yoshitaka

Journal:

Organic Letters

Year:

2017

Language:

english

File:

PDF, 376 KB

english, 2017

3

Total Syntheses of (+)-Sesamin and (+)-Sesaminol

Ishikawa, Ryo, Yoshida, Naoto, Akao, Yusuke, Kawabe, Yusuke, Inai, Makoto, Asakawa, Tomohiro, Hamashima, Yoshitaka, Kan, Toshiyuki

Journal:

Chemistry Letters

Year:

2014

Language:

english

File:

PDF, 1.02 MB

english, 2014

4

Concise Synthesis of Anserine: Efficient Solvent Tuning in Asymmetric Hydrogenation Reaction

Yamashita, Megumi, Shimizu, Keita, Koizumi, Yasuaki, Wakimoto, Toshiyuki, Hamashima, Yoshitaka, Asakawa, Tomohiro, Inai, Makoto, Kan, Toshiyuki

Journal:

Year:

2016

Language:

english

File:

PDF, 154 KB

english, 2016

5

A New Entry to Pd−H Chemistry: Catalytic Asymmetric Conjugate Reduction of Enones with EtOH and a Highly Enantioselective Synthesis of Warfarin

Tsuchiya, Yasunori, Hamashima, Yoshitaka, Sodeoka, Mikiko

Journal:

Organic Letters

Year:

2006

Language:

english

File:

PDF, 80 KB

english, 2006

6

Difunctionalization of Alkenes Using 1-Chloro-1,2-benziodoxol-3-(1 H )-one

Egami, Hiromichi, Yoneda, Takahiro, Uku, Minako, Ide, Takafumi, Kawato, Yuji, Hamashima, Yoshitaka

Journal:

Journal of Organic Chemistry

Year:

2016

Language:

english

File:

PDF, 2.20 MB

english, 2016

7

Catalytic Desymmetrization of Cyclohexadienes by Asymmetric Bromolactonization

Ikeuchi, Kazutada, Ido, Shunsuke, Yoshimura, Satoshi, Asakawa, Tomohiro, Inai, Makoto, Hamashima, Yoshitaka, Kan, Toshiyuki

Journal:

Organic Letters

Year:

2012

Language:

english

File:

PDF, 305 KB

english, 2012

8

Amine-Salt-Controlled, Catalytic Asymmetric Conjugate Addition of Various Amines and Asymmetric Protonation.

Yoshitaka Hamashima, Hidenori Somei, Yuta Shimura, Toshihiro Tamura, Mikiko Sodeoka

Journal:

Year:

2004

File:

PDF, 38 KB

2004

9

Catalytic Enantioselective Fluorination of Oxindoles.

Yoshitaka Hamashima, Toshiaki Suzuki, Hisashi Takano, Yuta Shimura, Mikiko Sodeoka

Journal:

Year:

2005

File:

PDF, 37 KB

2005

10

Total syntheses of chaetocin and ent-chaetocin

Eriko Iwasa, Yoshitaka Hamashima, Shinya Fujishiro, Daisuke Hashizume, Mikiko Sodeoka

Journal:

Year:

2011

Language:

english

File:

PDF, 2.07 MB

english, 2011

11

Copper-Catalyzed Trifluoromethylation of Allylsilanes

Ryo Shimizu, Dr. Hiromichi Egami, Dr. Yoshitaka Hamashima, Prof. Dr. Mikiko Sodeoka

Journal:

Angewandte Chemie International Edition

Year:

2012

Language:

english

File:

PDF, 380 KB

english, 2012

12

ChemInform Abstract: Copper-Catalyzed Trifluoromethylation of Allylsilanes.

Ryo Shimizu, Hiromichi Egami, Yoshitaka Hamashima, Mikiko Sodeoka

Journal:

Year:

2012

File:

PDF, 47 KB

2012

13

Dual Catalysis with Copper and Rhenium for Trifluoromethylation of Propargylic Alcohols: Efficient Synthesis of α-Trifluoromethylated Enones

Egami, Hiromichi, Ide, Takafumi, Fujita, Masashi, Tojo, Toshifumi, Hamashima, Yoshitaka, Sodeoka, Mikiko

Journal:

Chemistry - A European Journal

Year:

2014

Language:

english

File:

PDF, 294 KB

english, 2014

14

A Catalytic Asymmetric Strecker-Type Reaction: Interesting Reactivity Difference between TMSCN and HCN

Masahiro Takamura, Yoshitaka Hamashima, Hiroyuki Usuda, Motomu Kanai, Masakatsu Shibasaki

Journal:

Angewandte Chemie

Year:

2000

Language:

english

File:

PDF, 92 KB

english, 2000

15

ChemInform Abstract: A Catalytic Asymmetric Strecker-Type Reaction: Interesting Reactivity Difference Between Tms-CN and HCN.

Masahiro Takamura, Yoshitaka Hamashima, Hiroyuki Usuda, Motomu Kanai, Masakatsu Shibasaki

Journal:

Year:

2000

File:

PDF, 33 KB

2000

16

ChemInform Abstract: A Catalytic Asymmetric Strecker-Type Reaction Promoted by Lewis Acid—Lewis Base Bifunctional Catalyst.

Masahiro Takamura, Yoshitaka Hamashima, Hiroyuki Usuda, Motomu Kanai, Masakatsu Shibasaki

Journal:

Year:

2001

File:

PDF, 29 KB

2001

17

ChemInform Abstract: Epipolythiodiketopiperazine Alkaloids. Total Syntheses and Biological Activities

Eriko Iwasa, Yoshitaka Hamashima, Mikiko Sodeoka

Journal:

Year:

2011

File:

PDF, 18 KB

2011

18

Asymmetric Fluorolactonization with a Bifunctional Hydroxyl Carboxylate Catalyst

Egami, Hiromichi, Asada, Junshi, Sato, Kentaro, Hashizume, Daisuke, Kawato, Yuji, Hamashima, Yoshitaka

Journal:

Journal of the American Chemical Society

Year:

2015

Language:

english

File:

PDF, 525 KB

english, 2015

19

Chemoselective Hydrogenation Reaction of Unsaturated Bonds in the Presence of an o -Nitrobenzenesulfonyl Group

Kawanishi, Akinori, Miyamoto, Chiyako, Yabe, Yuki, Inai, Makoto, Asakawa, Tomohiro, Hamashima, Yoshitaka, Sajiki, Hironao, Kan, Toshiyuki

Journal:

Organic Letters

Year:

2013

Language:

english

File:

PDF, 301 KB

english, 2013

20

Catalytic Enantioselective Aldol-type Reaction of β-Ketosters with Acetals

Natsuko Umebayashi, Yoshitaka Hamashima, Daisuke Hashizume, Mikiko Sodeoka

Journal:

Angewandte Chemie

Year:

2008

Language:

english

File:

PDF, 339 KB

english, 2008

21

Highly enantioselective fluorination reactions of β-ketoesters and β-ketophosphonates catalyzed by chiral palladium complexes

Yoshitaka Hamashima, Toshiaki Suzuki, Hisashi Takano, Yuta Shimura, Yasunori Tsuchiya, Ken-ichi Moriya, Tomomi Goto, Mikiko Sodeoka

Journal:

Year:

2006

Language:

english

File:

PDF, 552 KB

english, 2006

22

ChemInform Abstract: Catalytic Asymmetric Monofluorination of α-Keto Esters: Synthesis of Optically Active β-Fluoro-α-hydroxy and β-Fluoro-α-amino Acid Derivatives.

Shoko Suzuki, Yuki Kitamura, Sylvain Lectard, Yoshitaka Hamashima, Mikiko Sodeoka

Journal:

Year:

2012

File:

PDF, 45 KB

2012

23

Synthesis and biological activities of chaetocin and its derivatives

Sodeoka, Mikiko, Dodo, Kosuke, Teng, Yuou, Iuchi, Katsuya, Hamashima, Yoshitaka, Iwasa, Eriko, Fujishiro, Shinya

Journal:

Pure & Applied Chemistry

Year:

2012

Language:

english

File:

PDF, 757 KB

english, 2012

24

Correction to Synthetic Study on Pactamycin: Stereoselective Synthesis of the Cyclopentane Core Framework

Goto, Atsumi, Yoshimura, Satoshi, Nakao, Yuta, Inai, Makoto, Asakawa, Tomohiro, Egi, Masahiro, Hamashima, Yoshitaka, Kondo, Mitsuru, Kan, Toshiyuki

Journal:

Organic Letters

Year:

2018

Language:

english

File:

PDF, 501 KB

english, 2018

25

Recent Advances in Catalytic Enantioselective Fluorination Reactions

Sylvain Lectard, Yoshitaka Hamashima, Mikiko Sodeoka

Journal:

Advanced Synthesis & Catalysis

Year:

2010

Language:

english

File:

PDF, 757 KB

english, 2010

26

Direct C2-trifluoromethylation of indole derivatives catalyzed by copper acetate

Ryo Shimizu, Hiromichi Egami, Tatsuya Nagi, Jungha Chae, Yoshitaka Hamashima, Mikiko Sodeoka

Journal:

Tetrahedron Letters

Year:

2010

Language:

english

File:

PDF, 306 KB

english, 2010

27

ChemInform Abstract: Synthesis and Biological Activities of Chaetocin and Its Derivatives

Mikiko Sodeoka, Kosuke Dodo, Yuou Teng, Katsuya Iuchi, Yoshitaka Hamashima, Eriko Iwasa, Shinya Fujishiro

Journal:

Year:

2012

File:

PDF, 18 KB

2012

28

Pd(II)-Catalyzed Asymmetric Fluorination of α-Aryl-α-cyanophosphonates with the Aid of 2,6-Lutidine

Moriya, Ken-ichi, Hamashima, Yoshitaka, Sodeoka, Mikiko

Journal:

Year:

2007

Language:

english

File:

PDF, 70 KB

english, 2007

29

ChemInform Abstract: Enantioselective Bromocyclization of Allylic Amides Catalyzed by BINAP Derivatives.

Kawato, Yuji, Kubota, Akino, Ono, Hiromi, Egami, Hiromichi, Hamashima, Yoshitaka

Journal:

Year:

2015

File:

PDF, 22 KB

2015

30

ChemInform Abstract: A New Bifunctional Asymmetric Catalysis: An Efficient Catalytic Asymmetric Cyanosilylation of Aldehydes.

Yoshitaka Hamashima, Daisuke Sawada, Motomu Kanai, Masakatsu Shibasaki

Journal:

Year:

1999

File:

PDF, 26 KB

1999

31

PdII-Catalyzed Asymmetric Addition Reactions of 1,3-Dicarbonyl Compounds: Mannich-Type Reactions with N-Boc Imines and Three-Component Aminomethylation

Yoshitaka Hamashima, Naoki Sasamoto, Natsuko Umebayashi, Mikiko Sodeoka

Journal:

Chemistry – An Asian Journal

Year:

2008

Language:

english

File:

PDF, 647 KB

english, 2008

32

Catalytic Enantioselective Cyanosilylation of Ketones

Hamashima, Yoshitaka, Kanai, Motomu, Shibasaki, Masakatsu

Journal:

Journal of the American Chemical Society

Year:

2000

Language:

english

File:

PDF, 116 KB

english, 2000

33

Practical Total Syntheses of Acromelic Acids A and B

Inai, Makoto, Ouchi, Hitoshi, Asahina, Aya, Asakawa, Tomohiro, Hamashima, Yoshitaka, Kan, Toshiyuki

Year:

2016

Language:

english

File:

PDF, 688 KB

english, 2016

34

Asymmetric Fluorination of Cyclic Tetrasubstituted Alkenes with a Pendant Amide Groups under Dianionic Phase-Transfer Catalysis

Niwa, Tomoki, Ujiie, Kiyoshi, Sato, Hitomi, Egami, Hiromichi, Hamashima, Yoshitaka

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

2018

Language:

english

File:

PDF, 451 KB

english, 2018

35

Thiocyanation of Aromatic and Heteroaromatic Compounds with 1-Chloro-1,2-benziodoxol-3-(1H)-one and (Trimethylsilyl)isothiocyanate

Ito, Yuta, Touyama, Akihiro, Uku, Minako, Egami, Hiromichi, Hamashima, Yoshitaka

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

2019

Language:

english

File:

PDF, 508 KB

english, 2019

36

ChemInform Abstract: Highly Enantioselective Cyanosilylation of Aldehydes Catalyzed by a Lewis Acid-Lewis Base Bifunctional Catalyst.

Yoshitaka Hamashima, Daisuke Sawada, Hiroyuki Nogami, Motomu Kanai, Masakatsu Shibasaki

Journal:

Year:

2001

File:

PDF, 31 KB

2001

37

ChemInform Abstract: Catalytic Enantioselective Cyanosilylation of Ketones.

Yoshitaka Hamashima, Motomu Kanai, Masakatsu Shibasaki

Journal:

Year:

2000

File:

PDF, 26 KB

2000

38

Highly enantioselective cyanosilylation of aldehydes catalyzed by a Lewis acid–Lewis base bifunctional catalyst

Yoshitaka Hamashima, Daisuke Sawada, Hiroyuki Nogami, Motomu Kanai, Masakatsu Shibasaki

Journal:

Year:

2001

Language:

english

File:

PDF, 193 KB

english, 2001

39

Catalytic Asymmetric Addition of β-Ketoesters to Various Imines by Using Chiral Palladium Complexes

Yoshitaka Hamashima, Naoki Sasamoto, Daido Hotta, Hidenori Somei, Natsuko Umebayashi, Mikiko Sodeoka

Journal:

Angewandte Chemie

Year:

2005

Language:

english

File:

PDF, 127 KB

english, 2005

40

An Efficient Enantioselective Fluorination of Various β-Ketoesters Catalyzed by Chiral Palladium Complexes.

Yoshitaka Hamashima, Kenji Yagi, Hisashi Takano, Laszlo Tamas, Mikiko Sodeoka

Journal:

Year:

2003

File:

PDF, 245 KB

2003

41

ChemInform Abstract: Development of Novel Asymmetric Reactions Based on Acid—Base Catalysis of Late Transition Metal Complexes

Yoshitaka Hamashima, Mikiko Sodeoka

Journal:

Year:

2012

File:

PDF, 18 KB

2012

42

Epipolythiodiketopiperazine Alkaloids: Total Syntheses and Biological Activities

Eriko Iwasa , Yoshitaka Hamashima , Mikiko Sodeoka

Journal:

Israel Journal of Chemistry

Year:

2011

Language:

english

File:

PDF, 2.72 MB

english, 2011

43

Stereocontrolled Total Synthesis of (+)-UCS1025A

Uchida, Kenji, Ogawa, Takahiro, Yasuda, Yoshinori, Mimura, Hiraku, Fujimoto, Teppei, Fukuyama, Tohru, Wakimoto, Toshiyuki, Asakawa, Tomohiro, Hamashima, Yoshitaka, Kan, Toshiyuki

Journal:

Angewandte Chemie

Year:

2012

Language:

english

File:

PDF, 366 KB

english, 2012

44

Enantioselective Bromocyclization of Allylic Amides Catalyzed by BINAP Derivatives

Kawato, Yuji, Kubota, Akino, Ono, Hiromi, Egami, Hiromichi, Hamashima, Yoshitaka

Journal:

Organic Letters

Year:

2015

Language:

english

File:

PDF, 323 KB

english, 2015

45

Photofluorination of Aliphatic C–H Bonds Promoted by the Phthalimide Group

Egami, Hiromichi, Masuda, Shuya, Kawato, Yuji, Hamashima, Yoshitaka

Journal:

Organic Letters

Year:

2018

Language:

english

File:

PDF, 1.01 MB

english, 2018

46

Asymmetric Dearomative Fluorination of 2âNaphthols with Dicarboxylate PhaseâTransfer Catalyst

Egami, Hiromichi, Rouno, Taiki, Niwa, Tomoki, Masuda, Kousuke, Yamashita, Kenji, Hamashima, Yoshitaka

Journal:

Angewandte Chemie

Year:

2020

File:

PDF, 1023 KB

2020

47

Catalytic Asymmetric Addition of β-Ketoesters to Various Imines by Using Chiral Palladium Complexes

Yoshitaka Hamashima, Naoki Sasamoto, Daido Hotta, Hidenori Somei, Natsuko Umebayashi, Mikiko Sodeoka

Journal:

Angewandte Chemie International Edition

Year:

2005

Language:

english

File:

PDF, 128 KB

english, 2005

48

An Efficient Enantioselective Fluorination of Various β-Ketoesters Catalyzed by Chiral Palladium Complexes

Hamashima, Yoshitaka, Yagi, Kenji, Takano, Hisashi, Tamás, László, Sodeoka, Mikiko

Journal:

Journal of the American Chemical Society

Year:

2002

Language:

english

File:

PDF, 54 KB

english, 2002

49

Stereocontrolled Total Syntheses of Optically Active Furofuran Lignans

Inai, Makoto, Ishikawa, Ryo, Yoshida, Naoto, Shirakawa, Nana, Akao, Yusuke, Kawabe, Yusuke, Asakawa, Tomohiro, Egi, Masahiro, Hamashima, Yoshitaka, Kan, Toshiyuki

Journal:

Year:

2015

Language:

english

File:

PDF, 226 KB

english, 2015

50

Total Synthesis of TAN1251C via Diastereoselective Construction of the Azaspiro Skeleton

Nagasaka, Yosuke, Shintaku, Sayaka, Matsumura, Kosuke, Masuda, Akitaka, Asakawa, Tomohiro, Inai, Makoto, Egi, Masahiro, Hamashima, Yoshitaka, Ishikawa, Yoshinobu, Kan, Toshiyuki

Journal:

Organic Letters

Year:

2017

Language:

english

File:

PDF, 1.35 MB

english, 2017

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